| 1 | /* |
| 2 | * Copyright (c) 2007-2010 Stefano Sabatini |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | /** |
| 22 | * @file |
| 23 | * simple media prober based on the FFmpeg libraries |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include "libavutil/ffversion.h" |
| 28 | |
| 29 | #include <string.h> |
| 30 | |
| 31 | #include "libavformat/avformat.h" |
| 32 | #include "libavcodec/avcodec.h" |
| 33 | #include "libavutil/avassert.h" |
| 34 | #include "libavutil/avstring.h" |
| 35 | #include "libavutil/bprint.h" |
| 36 | #include "libavutil/hash.h" |
| 37 | #include "libavutil/opt.h" |
| 38 | #include "libavutil/pixdesc.h" |
| 39 | #include "libavutil/dict.h" |
| 40 | #include "libavutil/libm.h" |
| 41 | #include "libavutil/parseutils.h" |
| 42 | #include "libavutil/timecode.h" |
| 43 | #include "libavutil/timestamp.h" |
| 44 | #include "libavdevice/avdevice.h" |
| 45 | #include "libswscale/swscale.h" |
| 46 | #include "libswresample/swresample.h" |
| 47 | #include "libpostproc/postprocess.h" |
| 48 | #include "cmdutils.h" |
| 49 | |
| 50 | const char program_name[] = "ffprobe"; |
| 51 | const int program_birth_year = 2007; |
| 52 | |
| 53 | static int do_bitexact = 0; |
| 54 | static int do_count_frames = 0; |
| 55 | static int do_count_packets = 0; |
| 56 | static int do_read_frames = 0; |
| 57 | static int do_read_packets = 0; |
| 58 | static int do_show_chapters = 0; |
| 59 | static int do_show_error = 0; |
| 60 | static int do_show_format = 0; |
| 61 | static int do_show_frames = 0; |
| 62 | static int do_show_packets = 0; |
| 63 | static int do_show_programs = 0; |
| 64 | static int do_show_streams = 0; |
| 65 | static int do_show_stream_disposition = 0; |
| 66 | static int do_show_data = 0; |
| 67 | static int do_show_program_version = 0; |
| 68 | static int do_show_library_versions = 0; |
| 69 | |
| 70 | static int do_show_chapter_tags = 0; |
| 71 | static int do_show_format_tags = 0; |
| 72 | static int do_show_frame_tags = 0; |
| 73 | static int do_show_program_tags = 0; |
| 74 | static int do_show_stream_tags = 0; |
| 75 | |
| 76 | static int show_value_unit = 0; |
| 77 | static int use_value_prefix = 0; |
| 78 | static int use_byte_value_binary_prefix = 0; |
| 79 | static int use_value_sexagesimal_format = 0; |
| 80 | static int show_private_data = 1; |
| 81 | |
| 82 | static char *print_format; |
| 83 | static char *stream_specifier; |
| 84 | static char *show_data_hash; |
| 85 | |
| 86 | typedef struct { |
| 87 | int id; ///< identifier |
| 88 | int64_t start, end; ///< start, end in second/AV_TIME_BASE units |
| 89 | int has_start, has_end; |
| 90 | int start_is_offset, end_is_offset; |
| 91 | int duration_frames; |
| 92 | } ReadInterval; |
| 93 | |
| 94 | static ReadInterval *read_intervals; |
| 95 | static int read_intervals_nb = 0; |
| 96 | |
| 97 | /* section structure definition */ |
| 98 | |
| 99 | #define SECTION_MAX_NB_CHILDREN 10 |
| 100 | |
| 101 | struct section { |
| 102 | int id; ///< unique id identifying a section |
| 103 | const char *name; |
| 104 | |
| 105 | #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level |
| 106 | #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type |
| 107 | #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys. |
| 108 | /// For these sections the element_name field is mandatory. |
| 109 | int flags; |
| 110 | int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1 |
| 111 | const char *element_name; ///< name of the contained element, if provided |
| 112 | const char *unique_name; ///< unique section name, in case the name is ambiguous |
| 113 | AVDictionary *entries_to_show; |
| 114 | int show_all_entries; |
| 115 | }; |
| 116 | |
| 117 | typedef enum { |
| 118 | SECTION_ID_NONE = -1, |
| 119 | SECTION_ID_CHAPTER, |
| 120 | SECTION_ID_CHAPTER_TAGS, |
| 121 | SECTION_ID_CHAPTERS, |
| 122 | SECTION_ID_ERROR, |
| 123 | SECTION_ID_FORMAT, |
| 124 | SECTION_ID_FORMAT_TAGS, |
| 125 | SECTION_ID_FRAME, |
| 126 | SECTION_ID_FRAMES, |
| 127 | SECTION_ID_FRAME_TAGS, |
| 128 | SECTION_ID_FRAME_SIDE_DATA_LIST, |
| 129 | SECTION_ID_FRAME_SIDE_DATA, |
| 130 | SECTION_ID_LIBRARY_VERSION, |
| 131 | SECTION_ID_LIBRARY_VERSIONS, |
| 132 | SECTION_ID_PACKET, |
| 133 | SECTION_ID_PACKETS, |
| 134 | SECTION_ID_PACKETS_AND_FRAMES, |
| 135 | SECTION_ID_PROGRAM_STREAM_DISPOSITION, |
| 136 | SECTION_ID_PROGRAM_STREAM_TAGS, |
| 137 | SECTION_ID_PROGRAM, |
| 138 | SECTION_ID_PROGRAM_STREAMS, |
| 139 | SECTION_ID_PROGRAM_STREAM, |
| 140 | SECTION_ID_PROGRAM_TAGS, |
| 141 | SECTION_ID_PROGRAM_VERSION, |
| 142 | SECTION_ID_PROGRAMS, |
| 143 | SECTION_ID_ROOT, |
| 144 | SECTION_ID_STREAM, |
| 145 | SECTION_ID_STREAM_DISPOSITION, |
| 146 | SECTION_ID_STREAMS, |
| 147 | SECTION_ID_STREAM_TAGS, |
| 148 | SECTION_ID_SUBTITLE, |
| 149 | } SectionID; |
| 150 | |
| 151 | static struct section sections[] = { |
| 152 | [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } }, |
| 153 | [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } }, |
| 154 | [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" }, |
| 155 | [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } }, |
| 156 | [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } }, |
| 157 | [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" }, |
| 158 | [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } }, |
| 159 | [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, -1 } }, |
| 160 | [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" }, |
| 161 | [SECTION_ID_FRAME_SIDE_DATA_LIST] ={ SECTION_ID_FRAME_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA, -1 } }, |
| 162 | [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } }, |
| 163 | [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } }, |
| 164 | [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } }, |
| 165 | [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} }, |
| 166 | [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} }, |
| 167 | [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { -1 } }, |
| 168 | [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" }, |
| 169 | [SECTION_ID_PROGRAM_STREAM_TAGS] = { SECTION_ID_PROGRAM_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_stream_tags" }, |
| 170 | [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } }, |
| 171 | [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" }, |
| 172 | [SECTION_ID_PROGRAM_STREAM] = { SECTION_ID_PROGRAM_STREAM, "stream", 0, { SECTION_ID_PROGRAM_STREAM_DISPOSITION, SECTION_ID_PROGRAM_STREAM_TAGS, -1 }, .unique_name = "program_stream" }, |
| 173 | [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" }, |
| 174 | [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } }, |
| 175 | [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } }, |
| 176 | [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER, |
| 177 | { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS, |
| 178 | SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS, -1} }, |
| 179 | [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } }, |
| 180 | [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, -1 } }, |
| 181 | [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" }, |
| 182 | [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" }, |
| 183 | [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } }, |
| 184 | }; |
| 185 | |
| 186 | static const OptionDef *options; |
| 187 | |
| 188 | /* FFprobe context */ |
| 189 | static const char *input_filename; |
| 190 | static AVInputFormat *iformat = NULL; |
| 191 | |
| 192 | static struct AVHashContext *hash; |
| 193 | |
| 194 | static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" }; |
| 195 | static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" }; |
| 196 | |
| 197 | static const char unit_second_str[] = "s" ; |
| 198 | static const char unit_hertz_str[] = "Hz" ; |
| 199 | static const char unit_byte_str[] = "byte" ; |
| 200 | static const char unit_bit_per_second_str[] = "bit/s"; |
| 201 | |
| 202 | static int nb_streams; |
| 203 | static uint64_t *nb_streams_packets; |
| 204 | static uint64_t *nb_streams_frames; |
| 205 | static int *selected_streams; |
| 206 | |
| 207 | static void ffprobe_cleanup(int ret) |
| 208 | { |
| 209 | int i; |
| 210 | for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) |
| 211 | av_dict_free(&(sections[i].entries_to_show)); |
| 212 | } |
| 213 | |
| 214 | struct unit_value { |
| 215 | union { double d; long long int i; } val; |
| 216 | const char *unit; |
| 217 | }; |
| 218 | |
| 219 | static char *value_string(char *buf, int buf_size, struct unit_value uv) |
| 220 | { |
| 221 | double vald; |
| 222 | long long int vali; |
| 223 | int show_float = 0; |
| 224 | |
| 225 | if (uv.unit == unit_second_str) { |
| 226 | vald = uv.val.d; |
| 227 | show_float = 1; |
| 228 | } else { |
| 229 | vald = vali = uv.val.i; |
| 230 | } |
| 231 | |
| 232 | if (uv.unit == unit_second_str && use_value_sexagesimal_format) { |
| 233 | double secs; |
| 234 | int hours, mins; |
| 235 | secs = vald; |
| 236 | mins = (int)secs / 60; |
| 237 | secs = secs - mins * 60; |
| 238 | hours = mins / 60; |
| 239 | mins %= 60; |
| 240 | snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs); |
| 241 | } else { |
| 242 | const char *prefix_string = ""; |
| 243 | |
| 244 | if (use_value_prefix && vald > 1) { |
| 245 | long long int index; |
| 246 | |
| 247 | if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) { |
| 248 | index = (long long int) (log2(vald)) / 10; |
| 249 | index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1); |
| 250 | vald /= exp2(index * 10); |
| 251 | prefix_string = binary_unit_prefixes[index]; |
| 252 | } else { |
| 253 | index = (long long int) (log10(vald)) / 3; |
| 254 | index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1); |
| 255 | vald /= pow(10, index * 3); |
| 256 | prefix_string = decimal_unit_prefixes[index]; |
| 257 | } |
| 258 | vali = vald; |
| 259 | } |
| 260 | |
| 261 | if (show_float || (use_value_prefix && vald != (long long int)vald)) |
| 262 | snprintf(buf, buf_size, "%f", vald); |
| 263 | else |
| 264 | snprintf(buf, buf_size, "%lld", vali); |
| 265 | av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "", |
| 266 | prefix_string, show_value_unit ? uv.unit : ""); |
| 267 | } |
| 268 | |
| 269 | return buf; |
| 270 | } |
| 271 | |
| 272 | /* WRITERS API */ |
| 273 | |
| 274 | typedef struct WriterContext WriterContext; |
| 275 | |
| 276 | #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1 |
| 277 | #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2 |
| 278 | |
| 279 | typedef enum { |
| 280 | WRITER_STRING_VALIDATION_FAIL, |
| 281 | WRITER_STRING_VALIDATION_REPLACE, |
| 282 | WRITER_STRING_VALIDATION_IGNORE, |
| 283 | WRITER_STRING_VALIDATION_NB |
| 284 | } StringValidation; |
| 285 | |
| 286 | typedef struct Writer { |
| 287 | const AVClass *priv_class; ///< private class of the writer, if any |
| 288 | int priv_size; ///< private size for the writer context |
| 289 | const char *name; |
| 290 | |
| 291 | int (*init) (WriterContext *wctx); |
| 292 | void (*uninit)(WriterContext *wctx); |
| 293 | |
| 294 | void (*print_section_header)(WriterContext *wctx); |
| 295 | void (*print_section_footer)(WriterContext *wctx); |
| 296 | void (*print_integer) (WriterContext *wctx, const char *, long long int); |
| 297 | void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep); |
| 298 | void (*print_string) (WriterContext *wctx, const char *, const char *); |
| 299 | int flags; ///< a combination or WRITER_FLAG_* |
| 300 | } Writer; |
| 301 | |
| 302 | #define SECTION_MAX_NB_LEVELS 10 |
| 303 | |
| 304 | struct WriterContext { |
| 305 | const AVClass *class; ///< class of the writer |
| 306 | const Writer *writer; ///< the Writer of which this is an instance |
| 307 | char *name; ///< name of this writer instance |
| 308 | void *priv; ///< private data for use by the filter |
| 309 | |
| 310 | const struct section *sections; ///< array containing all sections |
| 311 | int nb_sections; ///< number of sections |
| 312 | |
| 313 | int level; ///< current level, starting from 0 |
| 314 | |
| 315 | /** number of the item printed in the given section, starting from 0 */ |
| 316 | unsigned int nb_item[SECTION_MAX_NB_LEVELS]; |
| 317 | |
| 318 | /** section per each level */ |
| 319 | const struct section *section[SECTION_MAX_NB_LEVELS]; |
| 320 | AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section, |
| 321 | /// used by various writers |
| 322 | |
| 323 | unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section |
| 324 | unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section |
| 325 | unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames |
| 326 | |
| 327 | StringValidation string_validation; |
| 328 | char *string_validation_replacement; |
| 329 | unsigned int string_validation_utf8_flags; |
| 330 | }; |
| 331 | |
| 332 | static const char *writer_get_name(void *p) |
| 333 | { |
| 334 | WriterContext *wctx = p; |
| 335 | return wctx->writer->name; |
| 336 | } |
| 337 | |
| 338 | #define OFFSET(x) offsetof(WriterContext, x) |
| 339 | |
| 340 | static const AVOption writer_options[] = { |
| 341 | { "string_validation", "set string validation mode", |
| 342 | OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" }, |
| 343 | { "sv", "set string validation mode", |
| 344 | OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" }, |
| 345 | { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" }, |
| 346 | { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" }, |
| 347 | { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" }, |
| 348 | { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}}, |
| 349 | { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}}, |
| 350 | { NULL } |
| 351 | }; |
| 352 | |
| 353 | static void *writer_child_next(void *obj, void *prev) |
| 354 | { |
| 355 | WriterContext *ctx = obj; |
| 356 | if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv) |
| 357 | return ctx->priv; |
| 358 | return NULL; |
| 359 | } |
| 360 | |
| 361 | static const AVClass writer_class = { |
| 362 | .class_name = "Writer", |
| 363 | .item_name = writer_get_name, |
| 364 | .option = writer_options, |
| 365 | .version = LIBAVUTIL_VERSION_INT, |
| 366 | .child_next = writer_child_next, |
| 367 | }; |
| 368 | |
| 369 | static void writer_close(WriterContext **wctx) |
| 370 | { |
| 371 | int i; |
| 372 | |
| 373 | if (!*wctx) |
| 374 | return; |
| 375 | |
| 376 | if ((*wctx)->writer->uninit) |
| 377 | (*wctx)->writer->uninit(*wctx); |
| 378 | for (i = 0; i < SECTION_MAX_NB_LEVELS; i++) |
| 379 | av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL); |
| 380 | if ((*wctx)->writer->priv_class) |
| 381 | av_opt_free((*wctx)->priv); |
| 382 | av_freep(&((*wctx)->priv)); |
| 383 | av_opt_free(*wctx); |
| 384 | av_freep(wctx); |
| 385 | } |
| 386 | |
| 387 | static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size) |
| 388 | { |
| 389 | int i; |
| 390 | av_bprintf(bp, "0X"); |
| 391 | for (i = 0; i < ubuf_size; i++) |
| 392 | av_bprintf(bp, "%02X", ubuf[i]); |
| 393 | } |
| 394 | |
| 395 | |
| 396 | static int writer_open(WriterContext **wctx, const Writer *writer, const char *args, |
| 397 | const struct section *sections, int nb_sections) |
| 398 | { |
| 399 | int i, ret = 0; |
| 400 | |
| 401 | if (!(*wctx = av_mallocz(sizeof(WriterContext)))) { |
| 402 | ret = AVERROR(ENOMEM); |
| 403 | goto fail; |
| 404 | } |
| 405 | |
| 406 | if (!((*wctx)->priv = av_mallocz(writer->priv_size))) { |
| 407 | ret = AVERROR(ENOMEM); |
| 408 | goto fail; |
| 409 | } |
| 410 | |
| 411 | (*wctx)->class = &writer_class; |
| 412 | (*wctx)->writer = writer; |
| 413 | (*wctx)->level = -1; |
| 414 | (*wctx)->sections = sections; |
| 415 | (*wctx)->nb_sections = nb_sections; |
| 416 | |
| 417 | av_opt_set_defaults(*wctx); |
| 418 | |
| 419 | if (writer->priv_class) { |
| 420 | void *priv_ctx = (*wctx)->priv; |
| 421 | *((const AVClass **)priv_ctx) = writer->priv_class; |
| 422 | av_opt_set_defaults(priv_ctx); |
| 423 | } |
| 424 | |
| 425 | /* convert options to dictionary */ |
| 426 | if (args) { |
| 427 | AVDictionary *opts = NULL; |
| 428 | AVDictionaryEntry *opt = NULL; |
| 429 | |
| 430 | if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) { |
| 431 | av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args); |
| 432 | av_dict_free(&opts); |
| 433 | goto fail; |
| 434 | } |
| 435 | |
| 436 | while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) { |
| 437 | if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) { |
| 438 | av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n", |
| 439 | opt->key, opt->value); |
| 440 | av_dict_free(&opts); |
| 441 | goto fail; |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | av_dict_free(&opts); |
| 446 | } |
| 447 | |
| 448 | /* validate replace string */ |
| 449 | { |
| 450 | const uint8_t *p = (*wctx)->string_validation_replacement; |
| 451 | const uint8_t *endp = p + strlen(p); |
| 452 | while (*p) { |
| 453 | const uint8_t *p0 = p; |
| 454 | int32_t code; |
| 455 | ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags); |
| 456 | if (ret < 0) { |
| 457 | AVBPrint bp; |
| 458 | av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC); |
| 459 | bprint_bytes(&bp, p0, p-p0), |
| 460 | av_log(wctx, AV_LOG_ERROR, |
| 461 | "Invalid UTF8 sequence %s found in string validation replace '%s'\n", |
| 462 | bp.str, (*wctx)->string_validation_replacement); |
| 463 | return ret; |
| 464 | } |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | for (i = 0; i < SECTION_MAX_NB_LEVELS; i++) |
| 469 | av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED); |
| 470 | |
| 471 | if ((*wctx)->writer->init) |
| 472 | ret = (*wctx)->writer->init(*wctx); |
| 473 | if (ret < 0) |
| 474 | goto fail; |
| 475 | |
| 476 | return 0; |
| 477 | |
| 478 | fail: |
| 479 | writer_close(wctx); |
| 480 | return ret; |
| 481 | } |
| 482 | |
| 483 | static inline void writer_print_section_header(WriterContext *wctx, |
| 484 | int section_id) |
| 485 | { |
| 486 | int parent_section_id; |
| 487 | wctx->level++; |
| 488 | av_assert0(wctx->level < SECTION_MAX_NB_LEVELS); |
| 489 | parent_section_id = wctx->level ? |
| 490 | (wctx->section[wctx->level-1])->id : SECTION_ID_NONE; |
| 491 | |
| 492 | wctx->nb_item[wctx->level] = 0; |
| 493 | wctx->section[wctx->level] = &wctx->sections[section_id]; |
| 494 | |
| 495 | if (section_id == SECTION_ID_PACKETS_AND_FRAMES) { |
| 496 | wctx->nb_section_packet = wctx->nb_section_frame = |
| 497 | wctx->nb_section_packet_frame = 0; |
| 498 | } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) { |
| 499 | wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ? |
| 500 | wctx->nb_section_packet : wctx->nb_section_frame; |
| 501 | } |
| 502 | |
| 503 | if (wctx->writer->print_section_header) |
| 504 | wctx->writer->print_section_header(wctx); |
| 505 | } |
| 506 | |
| 507 | static inline void writer_print_section_footer(WriterContext *wctx) |
| 508 | { |
| 509 | int section_id = wctx->section[wctx->level]->id; |
| 510 | int parent_section_id = wctx->level ? |
| 511 | wctx->section[wctx->level-1]->id : SECTION_ID_NONE; |
| 512 | |
| 513 | if (parent_section_id != SECTION_ID_NONE) |
| 514 | wctx->nb_item[wctx->level-1]++; |
| 515 | if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) { |
| 516 | if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++; |
| 517 | else wctx->nb_section_frame++; |
| 518 | } |
| 519 | if (wctx->writer->print_section_footer) |
| 520 | wctx->writer->print_section_footer(wctx); |
| 521 | wctx->level--; |
| 522 | } |
| 523 | |
| 524 | static inline void writer_print_integer(WriterContext *wctx, |
| 525 | const char *key, long long int val) |
| 526 | { |
| 527 | const struct section *section = wctx->section[wctx->level]; |
| 528 | |
| 529 | if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) { |
| 530 | wctx->writer->print_integer(wctx, key, val); |
| 531 | wctx->nb_item[wctx->level]++; |
| 532 | } |
| 533 | } |
| 534 | |
| 535 | static inline int validate_string(WriterContext *wctx, char **dstp, const char *src) |
| 536 | { |
| 537 | const uint8_t *p, *endp; |
| 538 | AVBPrint dstbuf; |
| 539 | int invalid_chars_nb = 0, ret = 0; |
| 540 | |
| 541 | av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED); |
| 542 | |
| 543 | endp = src + strlen(src); |
| 544 | for (p = (uint8_t *)src; *p;) { |
| 545 | uint32_t code; |
| 546 | int invalid = 0; |
| 547 | const uint8_t *p0 = p; |
| 548 | |
| 549 | if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) { |
| 550 | AVBPrint bp; |
| 551 | av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC); |
| 552 | bprint_bytes(&bp, p0, p-p0); |
| 553 | av_log(wctx, AV_LOG_DEBUG, |
| 554 | "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src); |
| 555 | invalid = 1; |
| 556 | } |
| 557 | |
| 558 | if (invalid) { |
| 559 | invalid_chars_nb++; |
| 560 | |
| 561 | switch (wctx->string_validation) { |
| 562 | case WRITER_STRING_VALIDATION_FAIL: |
| 563 | av_log(wctx, AV_LOG_ERROR, |
| 564 | "Invalid UTF-8 sequence found in string '%s'\n", src); |
| 565 | ret = AVERROR_INVALIDDATA; |
| 566 | goto end; |
| 567 | break; |
| 568 | |
| 569 | case WRITER_STRING_VALIDATION_REPLACE: |
| 570 | av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement); |
| 571 | break; |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE) |
| 576 | av_bprint_append_data(&dstbuf, p0, p-p0); |
| 577 | } |
| 578 | |
| 579 | if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) { |
| 580 | av_log(wctx, AV_LOG_WARNING, |
| 581 | "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n", |
| 582 | invalid_chars_nb, src, wctx->string_validation_replacement); |
| 583 | } |
| 584 | |
| 585 | end: |
| 586 | av_bprint_finalize(&dstbuf, dstp); |
| 587 | return ret; |
| 588 | } |
| 589 | |
| 590 | #define PRINT_STRING_OPT 1 |
| 591 | #define PRINT_STRING_VALIDATE 2 |
| 592 | |
| 593 | static inline int writer_print_string(WriterContext *wctx, |
| 594 | const char *key, const char *val, int flags) |
| 595 | { |
| 596 | const struct section *section = wctx->section[wctx->level]; |
| 597 | int ret = 0; |
| 598 | |
| 599 | if ((flags & PRINT_STRING_OPT) |
| 600 | && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS)) |
| 601 | return 0; |
| 602 | |
| 603 | if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) { |
| 604 | if (flags & PRINT_STRING_VALIDATE) { |
| 605 | char *key1 = NULL, *val1 = NULL; |
| 606 | ret = validate_string(wctx, &key1, key); |
| 607 | if (ret < 0) goto end; |
| 608 | ret = validate_string(wctx, &val1, val); |
| 609 | if (ret < 0) goto end; |
| 610 | wctx->writer->print_string(wctx, key1, val1); |
| 611 | end: |
| 612 | if (ret < 0) { |
| 613 | av_log(wctx, AV_LOG_ERROR, |
| 614 | "Invalid key=value string combination %s=%s in section %s\n", |
| 615 | key, val, section->unique_name); |
| 616 | } |
| 617 | av_free(key1); |
| 618 | av_free(val1); |
| 619 | } else { |
| 620 | wctx->writer->print_string(wctx, key, val); |
| 621 | } |
| 622 | |
| 623 | wctx->nb_item[wctx->level]++; |
| 624 | } |
| 625 | |
| 626 | return ret; |
| 627 | } |
| 628 | |
| 629 | static inline void writer_print_rational(WriterContext *wctx, |
| 630 | const char *key, AVRational q, char sep) |
| 631 | { |
| 632 | AVBPrint buf; |
| 633 | av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC); |
| 634 | av_bprintf(&buf, "%d%c%d", q.num, sep, q.den); |
| 635 | writer_print_string(wctx, key, buf.str, 0); |
| 636 | } |
| 637 | |
| 638 | static void writer_print_time(WriterContext *wctx, const char *key, |
| 639 | int64_t ts, const AVRational *time_base, int is_duration) |
| 640 | { |
| 641 | char buf[128]; |
| 642 | |
| 643 | if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) { |
| 644 | writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT); |
| 645 | } else { |
| 646 | double d = ts * av_q2d(*time_base); |
| 647 | struct unit_value uv; |
| 648 | uv.val.d = d; |
| 649 | uv.unit = unit_second_str; |
| 650 | value_string(buf, sizeof(buf), uv); |
| 651 | writer_print_string(wctx, key, buf, 0); |
| 652 | } |
| 653 | } |
| 654 | |
| 655 | static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration) |
| 656 | { |
| 657 | if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) { |
| 658 | writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT); |
| 659 | } else { |
| 660 | writer_print_integer(wctx, key, ts); |
| 661 | } |
| 662 | } |
| 663 | |
| 664 | static void writer_print_data(WriterContext *wctx, const char *name, |
| 665 | uint8_t *data, int size) |
| 666 | { |
| 667 | AVBPrint bp; |
| 668 | int offset = 0, l, i; |
| 669 | |
| 670 | av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED); |
| 671 | av_bprintf(&bp, "\n"); |
| 672 | while (size) { |
| 673 | av_bprintf(&bp, "%08x: ", offset); |
| 674 | l = FFMIN(size, 16); |
| 675 | for (i = 0; i < l; i++) { |
| 676 | av_bprintf(&bp, "%02x", data[i]); |
| 677 | if (i & 1) |
| 678 | av_bprintf(&bp, " "); |
| 679 | } |
| 680 | av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2); |
| 681 | for (i = 0; i < l; i++) |
| 682 | av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1); |
| 683 | av_bprintf(&bp, "\n"); |
| 684 | offset += l; |
| 685 | data += l; |
| 686 | size -= l; |
| 687 | } |
| 688 | writer_print_string(wctx, name, bp.str, 0); |
| 689 | av_bprint_finalize(&bp, NULL); |
| 690 | } |
| 691 | |
| 692 | static void writer_print_data_hash(WriterContext *wctx, const char *name, |
| 693 | uint8_t *data, int size) |
| 694 | { |
| 695 | char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 }; |
| 696 | |
| 697 | if (!hash) |
| 698 | return; |
| 699 | av_hash_init(hash); |
| 700 | av_hash_update(hash, data, size); |
| 701 | snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash)); |
| 702 | p = buf + strlen(buf); |
| 703 | av_hash_final_hex(hash, p, buf + sizeof(buf) - p); |
| 704 | writer_print_string(wctx, name, buf, 0); |
| 705 | } |
| 706 | |
| 707 | #define MAX_REGISTERED_WRITERS_NB 64 |
| 708 | |
| 709 | static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1]; |
| 710 | |
| 711 | static int writer_register(const Writer *writer) |
| 712 | { |
| 713 | static int next_registered_writer_idx = 0; |
| 714 | |
| 715 | if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB) |
| 716 | return AVERROR(ENOMEM); |
| 717 | |
| 718 | registered_writers[next_registered_writer_idx++] = writer; |
| 719 | return 0; |
| 720 | } |
| 721 | |
| 722 | static const Writer *writer_get_by_name(const char *name) |
| 723 | { |
| 724 | int i; |
| 725 | |
| 726 | for (i = 0; registered_writers[i]; i++) |
| 727 | if (!strcmp(registered_writers[i]->name, name)) |
| 728 | return registered_writers[i]; |
| 729 | |
| 730 | return NULL; |
| 731 | } |
| 732 | |
| 733 | |
| 734 | /* WRITERS */ |
| 735 | |
| 736 | #define DEFINE_WRITER_CLASS(name) \ |
| 737 | static const char *name##_get_name(void *ctx) \ |
| 738 | { \ |
| 739 | return #name ; \ |
| 740 | } \ |
| 741 | static const AVClass name##_class = { \ |
| 742 | .class_name = #name, \ |
| 743 | .item_name = name##_get_name, \ |
| 744 | .option = name##_options \ |
| 745 | } |
| 746 | |
| 747 | /* Default output */ |
| 748 | |
| 749 | typedef struct DefaultContext { |
| 750 | const AVClass *class; |
| 751 | int nokey; |
| 752 | int noprint_wrappers; |
| 753 | int nested_section[SECTION_MAX_NB_LEVELS]; |
| 754 | } DefaultContext; |
| 755 | |
| 756 | #undef OFFSET |
| 757 | #define OFFSET(x) offsetof(DefaultContext, x) |
| 758 | |
| 759 | static const AVOption default_options[] = { |
| 760 | { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 761 | { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 762 | { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 763 | { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 764 | {NULL}, |
| 765 | }; |
| 766 | |
| 767 | DEFINE_WRITER_CLASS(default); |
| 768 | |
| 769 | /* lame uppercasing routine, assumes the string is lower case ASCII */ |
| 770 | static inline char *upcase_string(char *dst, size_t dst_size, const char *src) |
| 771 | { |
| 772 | int i; |
| 773 | for (i = 0; src[i] && i < dst_size-1; i++) |
| 774 | dst[i] = av_toupper(src[i]); |
| 775 | dst[i] = 0; |
| 776 | return dst; |
| 777 | } |
| 778 | |
| 779 | static void default_print_section_header(WriterContext *wctx) |
| 780 | { |
| 781 | DefaultContext *def = wctx->priv; |
| 782 | char buf[32]; |
| 783 | const struct section *section = wctx->section[wctx->level]; |
| 784 | const struct section *parent_section = wctx->level ? |
| 785 | wctx->section[wctx->level-1] : NULL; |
| 786 | |
| 787 | av_bprint_clear(&wctx->section_pbuf[wctx->level]); |
| 788 | if (parent_section && |
| 789 | !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) { |
| 790 | def->nested_section[wctx->level] = 1; |
| 791 | av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:", |
| 792 | wctx->section_pbuf[wctx->level-1].str, |
| 793 | upcase_string(buf, sizeof(buf), |
| 794 | av_x_if_null(section->element_name, section->name))); |
| 795 | } |
| 796 | |
| 797 | if (def->noprint_wrappers || def->nested_section[wctx->level]) |
| 798 | return; |
| 799 | |
| 800 | if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) |
| 801 | printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name)); |
| 802 | } |
| 803 | |
| 804 | static void default_print_section_footer(WriterContext *wctx) |
| 805 | { |
| 806 | DefaultContext *def = wctx->priv; |
| 807 | const struct section *section = wctx->section[wctx->level]; |
| 808 | char buf[32]; |
| 809 | |
| 810 | if (def->noprint_wrappers || def->nested_section[wctx->level]) |
| 811 | return; |
| 812 | |
| 813 | if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) |
| 814 | printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name)); |
| 815 | } |
| 816 | |
| 817 | static void default_print_str(WriterContext *wctx, const char *key, const char *value) |
| 818 | { |
| 819 | DefaultContext *def = wctx->priv; |
| 820 | |
| 821 | if (!def->nokey) |
| 822 | printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); |
| 823 | printf("%s\n", value); |
| 824 | } |
| 825 | |
| 826 | static void default_print_int(WriterContext *wctx, const char *key, long long int value) |
| 827 | { |
| 828 | DefaultContext *def = wctx->priv; |
| 829 | |
| 830 | if (!def->nokey) |
| 831 | printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); |
| 832 | printf("%lld\n", value); |
| 833 | } |
| 834 | |
| 835 | static const Writer default_writer = { |
| 836 | .name = "default", |
| 837 | .priv_size = sizeof(DefaultContext), |
| 838 | .print_section_header = default_print_section_header, |
| 839 | .print_section_footer = default_print_section_footer, |
| 840 | .print_integer = default_print_int, |
| 841 | .print_string = default_print_str, |
| 842 | .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, |
| 843 | .priv_class = &default_class, |
| 844 | }; |
| 845 | |
| 846 | /* Compact output */ |
| 847 | |
| 848 | /** |
| 849 | * Apply C-language-like string escaping. |
| 850 | */ |
| 851 | static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) |
| 852 | { |
| 853 | const char *p; |
| 854 | |
| 855 | for (p = src; *p; p++) { |
| 856 | switch (*p) { |
| 857 | case '\b': av_bprintf(dst, "%s", "\\b"); break; |
| 858 | case '\f': av_bprintf(dst, "%s", "\\f"); break; |
| 859 | case '\n': av_bprintf(dst, "%s", "\\n"); break; |
| 860 | case '\r': av_bprintf(dst, "%s", "\\r"); break; |
| 861 | case '\\': av_bprintf(dst, "%s", "\\\\"); break; |
| 862 | default: |
| 863 | if (*p == sep) |
| 864 | av_bprint_chars(dst, '\\', 1); |
| 865 | av_bprint_chars(dst, *p, 1); |
| 866 | } |
| 867 | } |
| 868 | return dst->str; |
| 869 | } |
| 870 | |
| 871 | /** |
| 872 | * Quote fields containing special characters, check RFC4180. |
| 873 | */ |
| 874 | static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) |
| 875 | { |
| 876 | char meta_chars[] = { sep, '"', '\n', '\r', '\0' }; |
| 877 | int needs_quoting = !!src[strcspn(src, meta_chars)]; |
| 878 | |
| 879 | if (needs_quoting) |
| 880 | av_bprint_chars(dst, '"', 1); |
| 881 | |
| 882 | for (; *src; src++) { |
| 883 | if (*src == '"') |
| 884 | av_bprint_chars(dst, '"', 1); |
| 885 | av_bprint_chars(dst, *src, 1); |
| 886 | } |
| 887 | if (needs_quoting) |
| 888 | av_bprint_chars(dst, '"', 1); |
| 889 | return dst->str; |
| 890 | } |
| 891 | |
| 892 | static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx) |
| 893 | { |
| 894 | return src; |
| 895 | } |
| 896 | |
| 897 | typedef struct CompactContext { |
| 898 | const AVClass *class; |
| 899 | char *item_sep_str; |
| 900 | char item_sep; |
| 901 | int nokey; |
| 902 | int print_section; |
| 903 | char *escape_mode_str; |
| 904 | const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx); |
| 905 | int nested_section[SECTION_MAX_NB_LEVELS]; |
| 906 | int has_nested_elems[SECTION_MAX_NB_LEVELS]; |
| 907 | int terminate_line[SECTION_MAX_NB_LEVELS]; |
| 908 | } CompactContext; |
| 909 | |
| 910 | #undef OFFSET |
| 911 | #define OFFSET(x) offsetof(CompactContext, x) |
| 912 | |
| 913 | static const AVOption compact_options[]= { |
| 914 | {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX }, |
| 915 | {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX }, |
| 916 | {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 917 | {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 918 | {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX }, |
| 919 | {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX }, |
| 920 | {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 921 | {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 922 | {NULL}, |
| 923 | }; |
| 924 | |
| 925 | DEFINE_WRITER_CLASS(compact); |
| 926 | |
| 927 | static av_cold int compact_init(WriterContext *wctx) |
| 928 | { |
| 929 | CompactContext *compact = wctx->priv; |
| 930 | |
| 931 | if (strlen(compact->item_sep_str) != 1) { |
| 932 | av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n", |
| 933 | compact->item_sep_str); |
| 934 | return AVERROR(EINVAL); |
| 935 | } |
| 936 | compact->item_sep = compact->item_sep_str[0]; |
| 937 | |
| 938 | if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str; |
| 939 | else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str; |
| 940 | else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str; |
| 941 | else { |
| 942 | av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str); |
| 943 | return AVERROR(EINVAL); |
| 944 | } |
| 945 | |
| 946 | return 0; |
| 947 | } |
| 948 | |
| 949 | static void compact_print_section_header(WriterContext *wctx) |
| 950 | { |
| 951 | CompactContext *compact = wctx->priv; |
| 952 | const struct section *section = wctx->section[wctx->level]; |
| 953 | const struct section *parent_section = wctx->level ? |
| 954 | wctx->section[wctx->level-1] : NULL; |
| 955 | compact->terminate_line[wctx->level] = 1; |
| 956 | compact->has_nested_elems[wctx->level] = 0; |
| 957 | |
| 958 | av_bprint_clear(&wctx->section_pbuf[wctx->level]); |
| 959 | if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section && |
| 960 | !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) { |
| 961 | compact->nested_section[wctx->level] = 1; |
| 962 | compact->has_nested_elems[wctx->level-1] = 1; |
| 963 | av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:", |
| 964 | wctx->section_pbuf[wctx->level-1].str, |
| 965 | (char *)av_x_if_null(section->element_name, section->name)); |
| 966 | wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1]; |
| 967 | } else { |
| 968 | if (parent_section && compact->has_nested_elems[wctx->level-1] && |
| 969 | (section->flags & SECTION_FLAG_IS_ARRAY)) { |
| 970 | compact->terminate_line[wctx->level-1] = 0; |
| 971 | printf("\n"); |
| 972 | } |
| 973 | if (compact->print_section && |
| 974 | !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) |
| 975 | printf("%s%c", section->name, compact->item_sep); |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | static void compact_print_section_footer(WriterContext *wctx) |
| 980 | { |
| 981 | CompactContext *compact = wctx->priv; |
| 982 | |
| 983 | if (!compact->nested_section[wctx->level] && |
| 984 | compact->terminate_line[wctx->level] && |
| 985 | !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) |
| 986 | printf("\n"); |
| 987 | } |
| 988 | |
| 989 | static void compact_print_str(WriterContext *wctx, const char *key, const char *value) |
| 990 | { |
| 991 | CompactContext *compact = wctx->priv; |
| 992 | AVBPrint buf; |
| 993 | |
| 994 | if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep); |
| 995 | if (!compact->nokey) |
| 996 | printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); |
| 997 | av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 998 | printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx)); |
| 999 | av_bprint_finalize(&buf, NULL); |
| 1000 | } |
| 1001 | |
| 1002 | static void compact_print_int(WriterContext *wctx, const char *key, long long int value) |
| 1003 | { |
| 1004 | CompactContext *compact = wctx->priv; |
| 1005 | |
| 1006 | if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep); |
| 1007 | if (!compact->nokey) |
| 1008 | printf("%s%s=", wctx->section_pbuf[wctx->level].str, key); |
| 1009 | printf("%lld", value); |
| 1010 | } |
| 1011 | |
| 1012 | static const Writer compact_writer = { |
| 1013 | .name = "compact", |
| 1014 | .priv_size = sizeof(CompactContext), |
| 1015 | .init = compact_init, |
| 1016 | .print_section_header = compact_print_section_header, |
| 1017 | .print_section_footer = compact_print_section_footer, |
| 1018 | .print_integer = compact_print_int, |
| 1019 | .print_string = compact_print_str, |
| 1020 | .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, |
| 1021 | .priv_class = &compact_class, |
| 1022 | }; |
| 1023 | |
| 1024 | /* CSV output */ |
| 1025 | |
| 1026 | #undef OFFSET |
| 1027 | #define OFFSET(x) offsetof(CompactContext, x) |
| 1028 | |
| 1029 | static const AVOption csv_options[] = { |
| 1030 | {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX }, |
| 1031 | {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX }, |
| 1032 | {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 1033 | {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 1034 | {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX }, |
| 1035 | {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX }, |
| 1036 | {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 1037 | {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 1038 | {NULL}, |
| 1039 | }; |
| 1040 | |
| 1041 | DEFINE_WRITER_CLASS(csv); |
| 1042 | |
| 1043 | static const Writer csv_writer = { |
| 1044 | .name = "csv", |
| 1045 | .priv_size = sizeof(CompactContext), |
| 1046 | .init = compact_init, |
| 1047 | .print_section_header = compact_print_section_header, |
| 1048 | .print_section_footer = compact_print_section_footer, |
| 1049 | .print_integer = compact_print_int, |
| 1050 | .print_string = compact_print_str, |
| 1051 | .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS, |
| 1052 | .priv_class = &csv_class, |
| 1053 | }; |
| 1054 | |
| 1055 | /* Flat output */ |
| 1056 | |
| 1057 | typedef struct FlatContext { |
| 1058 | const AVClass *class; |
| 1059 | const char *sep_str; |
| 1060 | char sep; |
| 1061 | int hierarchical; |
| 1062 | } FlatContext; |
| 1063 | |
| 1064 | #undef OFFSET |
| 1065 | #define OFFSET(x) offsetof(FlatContext, x) |
| 1066 | |
| 1067 | static const AVOption flat_options[]= { |
| 1068 | {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX }, |
| 1069 | {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX }, |
| 1070 | {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 1071 | {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 1072 | {NULL}, |
| 1073 | }; |
| 1074 | |
| 1075 | DEFINE_WRITER_CLASS(flat); |
| 1076 | |
| 1077 | static av_cold int flat_init(WriterContext *wctx) |
| 1078 | { |
| 1079 | FlatContext *flat = wctx->priv; |
| 1080 | |
| 1081 | if (strlen(flat->sep_str) != 1) { |
| 1082 | av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n", |
| 1083 | flat->sep_str); |
| 1084 | return AVERROR(EINVAL); |
| 1085 | } |
| 1086 | flat->sep = flat->sep_str[0]; |
| 1087 | |
| 1088 | return 0; |
| 1089 | } |
| 1090 | |
| 1091 | static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep) |
| 1092 | { |
| 1093 | const char *p; |
| 1094 | |
| 1095 | for (p = src; *p; p++) { |
| 1096 | if (!((*p >= '0' && *p <= '9') || |
| 1097 | (*p >= 'a' && *p <= 'z') || |
| 1098 | (*p >= 'A' && *p <= 'Z'))) |
| 1099 | av_bprint_chars(dst, '_', 1); |
| 1100 | else |
| 1101 | av_bprint_chars(dst, *p, 1); |
| 1102 | } |
| 1103 | return dst->str; |
| 1104 | } |
| 1105 | |
| 1106 | static const char *flat_escape_value_str(AVBPrint *dst, const char *src) |
| 1107 | { |
| 1108 | const char *p; |
| 1109 | |
| 1110 | for (p = src; *p; p++) { |
| 1111 | switch (*p) { |
| 1112 | case '\n': av_bprintf(dst, "%s", "\\n"); break; |
| 1113 | case '\r': av_bprintf(dst, "%s", "\\r"); break; |
| 1114 | case '\\': av_bprintf(dst, "%s", "\\\\"); break; |
| 1115 | case '"': av_bprintf(dst, "%s", "\\\""); break; |
| 1116 | case '`': av_bprintf(dst, "%s", "\\`"); break; |
| 1117 | case '$': av_bprintf(dst, "%s", "\\$"); break; |
| 1118 | default: av_bprint_chars(dst, *p, 1); break; |
| 1119 | } |
| 1120 | } |
| 1121 | return dst->str; |
| 1122 | } |
| 1123 | |
| 1124 | static void flat_print_section_header(WriterContext *wctx) |
| 1125 | { |
| 1126 | FlatContext *flat = wctx->priv; |
| 1127 | AVBPrint *buf = &wctx->section_pbuf[wctx->level]; |
| 1128 | const struct section *section = wctx->section[wctx->level]; |
| 1129 | const struct section *parent_section = wctx->level ? |
| 1130 | wctx->section[wctx->level-1] : NULL; |
| 1131 | |
| 1132 | /* build section header */ |
| 1133 | av_bprint_clear(buf); |
| 1134 | if (!parent_section) |
| 1135 | return; |
| 1136 | av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str); |
| 1137 | |
| 1138 | if (flat->hierarchical || |
| 1139 | !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) { |
| 1140 | av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str); |
| 1141 | |
| 1142 | if (parent_section->flags & SECTION_FLAG_IS_ARRAY) { |
| 1143 | int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ? |
| 1144 | wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1]; |
| 1145 | av_bprintf(buf, "%d%s", n, flat->sep_str); |
| 1146 | } |
| 1147 | } |
| 1148 | } |
| 1149 | |
| 1150 | static void flat_print_int(WriterContext *wctx, const char *key, long long int value) |
| 1151 | { |
| 1152 | printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value); |
| 1153 | } |
| 1154 | |
| 1155 | static void flat_print_str(WriterContext *wctx, const char *key, const char *value) |
| 1156 | { |
| 1157 | FlatContext *flat = wctx->priv; |
| 1158 | AVBPrint buf; |
| 1159 | |
| 1160 | printf("%s", wctx->section_pbuf[wctx->level].str); |
| 1161 | av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1162 | printf("%s=", flat_escape_key_str(&buf, key, flat->sep)); |
| 1163 | av_bprint_clear(&buf); |
| 1164 | printf("\"%s\"\n", flat_escape_value_str(&buf, value)); |
| 1165 | av_bprint_finalize(&buf, NULL); |
| 1166 | } |
| 1167 | |
| 1168 | static const Writer flat_writer = { |
| 1169 | .name = "flat", |
| 1170 | .priv_size = sizeof(FlatContext), |
| 1171 | .init = flat_init, |
| 1172 | .print_section_header = flat_print_section_header, |
| 1173 | .print_integer = flat_print_int, |
| 1174 | .print_string = flat_print_str, |
| 1175 | .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, |
| 1176 | .priv_class = &flat_class, |
| 1177 | }; |
| 1178 | |
| 1179 | /* INI format output */ |
| 1180 | |
| 1181 | typedef struct { |
| 1182 | const AVClass *class; |
| 1183 | int hierarchical; |
| 1184 | } INIContext; |
| 1185 | |
| 1186 | #undef OFFSET |
| 1187 | #define OFFSET(x) offsetof(INIContext, x) |
| 1188 | |
| 1189 | static const AVOption ini_options[] = { |
| 1190 | {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 1191 | {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 }, |
| 1192 | {NULL}, |
| 1193 | }; |
| 1194 | |
| 1195 | DEFINE_WRITER_CLASS(ini); |
| 1196 | |
| 1197 | static char *ini_escape_str(AVBPrint *dst, const char *src) |
| 1198 | { |
| 1199 | int i = 0; |
| 1200 | char c = 0; |
| 1201 | |
| 1202 | while (c = src[i++]) { |
| 1203 | switch (c) { |
| 1204 | case '\b': av_bprintf(dst, "%s", "\\b"); break; |
| 1205 | case '\f': av_bprintf(dst, "%s", "\\f"); break; |
| 1206 | case '\n': av_bprintf(dst, "%s", "\\n"); break; |
| 1207 | case '\r': av_bprintf(dst, "%s", "\\r"); break; |
| 1208 | case '\t': av_bprintf(dst, "%s", "\\t"); break; |
| 1209 | case '\\': |
| 1210 | case '#' : |
| 1211 | case '=' : |
| 1212 | case ':' : av_bprint_chars(dst, '\\', 1); |
| 1213 | default: |
| 1214 | if ((unsigned char)c < 32) |
| 1215 | av_bprintf(dst, "\\x00%02x", c & 0xff); |
| 1216 | else |
| 1217 | av_bprint_chars(dst, c, 1); |
| 1218 | break; |
| 1219 | } |
| 1220 | } |
| 1221 | return dst->str; |
| 1222 | } |
| 1223 | |
| 1224 | static void ini_print_section_header(WriterContext *wctx) |
| 1225 | { |
| 1226 | INIContext *ini = wctx->priv; |
| 1227 | AVBPrint *buf = &wctx->section_pbuf[wctx->level]; |
| 1228 | const struct section *section = wctx->section[wctx->level]; |
| 1229 | const struct section *parent_section = wctx->level ? |
| 1230 | wctx->section[wctx->level-1] : NULL; |
| 1231 | |
| 1232 | av_bprint_clear(buf); |
| 1233 | if (!parent_section) { |
| 1234 | printf("# ffprobe output\n\n"); |
| 1235 | return; |
| 1236 | } |
| 1237 | |
| 1238 | if (wctx->nb_item[wctx->level-1]) |
| 1239 | printf("\n"); |
| 1240 | |
| 1241 | av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str); |
| 1242 | if (ini->hierarchical || |
| 1243 | !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) { |
| 1244 | av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name); |
| 1245 | |
| 1246 | if (parent_section->flags & SECTION_FLAG_IS_ARRAY) { |
| 1247 | int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ? |
| 1248 | wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1]; |
| 1249 | av_bprintf(buf, ".%d", n); |
| 1250 | } |
| 1251 | } |
| 1252 | |
| 1253 | if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) |
| 1254 | printf("[%s]\n", buf->str); |
| 1255 | } |
| 1256 | |
| 1257 | static void ini_print_str(WriterContext *wctx, const char *key, const char *value) |
| 1258 | { |
| 1259 | AVBPrint buf; |
| 1260 | |
| 1261 | av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1262 | printf("%s=", ini_escape_str(&buf, key)); |
| 1263 | av_bprint_clear(&buf); |
| 1264 | printf("%s\n", ini_escape_str(&buf, value)); |
| 1265 | av_bprint_finalize(&buf, NULL); |
| 1266 | } |
| 1267 | |
| 1268 | static void ini_print_int(WriterContext *wctx, const char *key, long long int value) |
| 1269 | { |
| 1270 | printf("%s=%lld\n", key, value); |
| 1271 | } |
| 1272 | |
| 1273 | static const Writer ini_writer = { |
| 1274 | .name = "ini", |
| 1275 | .priv_size = sizeof(INIContext), |
| 1276 | .print_section_header = ini_print_section_header, |
| 1277 | .print_integer = ini_print_int, |
| 1278 | .print_string = ini_print_str, |
| 1279 | .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, |
| 1280 | .priv_class = &ini_class, |
| 1281 | }; |
| 1282 | |
| 1283 | /* JSON output */ |
| 1284 | |
| 1285 | typedef struct { |
| 1286 | const AVClass *class; |
| 1287 | int indent_level; |
| 1288 | int compact; |
| 1289 | const char *item_sep, *item_start_end; |
| 1290 | } JSONContext; |
| 1291 | |
| 1292 | #undef OFFSET |
| 1293 | #define OFFSET(x) offsetof(JSONContext, x) |
| 1294 | |
| 1295 | static const AVOption json_options[]= { |
| 1296 | { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 1297 | { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 1298 | { NULL } |
| 1299 | }; |
| 1300 | |
| 1301 | DEFINE_WRITER_CLASS(json); |
| 1302 | |
| 1303 | static av_cold int json_init(WriterContext *wctx) |
| 1304 | { |
| 1305 | JSONContext *json = wctx->priv; |
| 1306 | |
| 1307 | json->item_sep = json->compact ? ", " : ",\n"; |
| 1308 | json->item_start_end = json->compact ? " " : "\n"; |
| 1309 | |
| 1310 | return 0; |
| 1311 | } |
| 1312 | |
| 1313 | static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx) |
| 1314 | { |
| 1315 | static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0}; |
| 1316 | static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0}; |
| 1317 | const char *p; |
| 1318 | |
| 1319 | for (p = src; *p; p++) { |
| 1320 | char *s = strchr(json_escape, *p); |
| 1321 | if (s) { |
| 1322 | av_bprint_chars(dst, '\\', 1); |
| 1323 | av_bprint_chars(dst, json_subst[s - json_escape], 1); |
| 1324 | } else if ((unsigned char)*p < 32) { |
| 1325 | av_bprintf(dst, "\\u00%02x", *p & 0xff); |
| 1326 | } else { |
| 1327 | av_bprint_chars(dst, *p, 1); |
| 1328 | } |
| 1329 | } |
| 1330 | return dst->str; |
| 1331 | } |
| 1332 | |
| 1333 | #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ') |
| 1334 | |
| 1335 | static void json_print_section_header(WriterContext *wctx) |
| 1336 | { |
| 1337 | JSONContext *json = wctx->priv; |
| 1338 | AVBPrint buf; |
| 1339 | const struct section *section = wctx->section[wctx->level]; |
| 1340 | const struct section *parent_section = wctx->level ? |
| 1341 | wctx->section[wctx->level-1] : NULL; |
| 1342 | |
| 1343 | if (wctx->level && wctx->nb_item[wctx->level-1]) |
| 1344 | printf(",\n"); |
| 1345 | |
| 1346 | if (section->flags & SECTION_FLAG_IS_WRAPPER) { |
| 1347 | printf("{\n"); |
| 1348 | json->indent_level++; |
| 1349 | } else { |
| 1350 | av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1351 | json_escape_str(&buf, section->name, wctx); |
| 1352 | JSON_INDENT(); |
| 1353 | |
| 1354 | json->indent_level++; |
| 1355 | if (section->flags & SECTION_FLAG_IS_ARRAY) { |
| 1356 | printf("\"%s\": [\n", buf.str); |
| 1357 | } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) { |
| 1358 | printf("\"%s\": {%s", buf.str, json->item_start_end); |
| 1359 | } else { |
| 1360 | printf("{%s", json->item_start_end); |
| 1361 | |
| 1362 | /* this is required so the parser can distinguish between packets and frames */ |
| 1363 | if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) { |
| 1364 | if (!json->compact) |
| 1365 | JSON_INDENT(); |
| 1366 | printf("\"type\": \"%s\"%s", section->name, json->item_sep); |
| 1367 | } |
| 1368 | } |
| 1369 | av_bprint_finalize(&buf, NULL); |
| 1370 | } |
| 1371 | } |
| 1372 | |
| 1373 | static void json_print_section_footer(WriterContext *wctx) |
| 1374 | { |
| 1375 | JSONContext *json = wctx->priv; |
| 1376 | const struct section *section = wctx->section[wctx->level]; |
| 1377 | |
| 1378 | if (wctx->level == 0) { |
| 1379 | json->indent_level--; |
| 1380 | printf("\n}\n"); |
| 1381 | } else if (section->flags & SECTION_FLAG_IS_ARRAY) { |
| 1382 | printf("\n"); |
| 1383 | json->indent_level--; |
| 1384 | JSON_INDENT(); |
| 1385 | printf("]"); |
| 1386 | } else { |
| 1387 | printf("%s", json->item_start_end); |
| 1388 | json->indent_level--; |
| 1389 | if (!json->compact) |
| 1390 | JSON_INDENT(); |
| 1391 | printf("}"); |
| 1392 | } |
| 1393 | } |
| 1394 | |
| 1395 | static inline void json_print_item_str(WriterContext *wctx, |
| 1396 | const char *key, const char *value) |
| 1397 | { |
| 1398 | AVBPrint buf; |
| 1399 | |
| 1400 | av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1401 | printf("\"%s\":", json_escape_str(&buf, key, wctx)); |
| 1402 | av_bprint_clear(&buf); |
| 1403 | printf(" \"%s\"", json_escape_str(&buf, value, wctx)); |
| 1404 | av_bprint_finalize(&buf, NULL); |
| 1405 | } |
| 1406 | |
| 1407 | static void json_print_str(WriterContext *wctx, const char *key, const char *value) |
| 1408 | { |
| 1409 | JSONContext *json = wctx->priv; |
| 1410 | |
| 1411 | if (wctx->nb_item[wctx->level]) |
| 1412 | printf("%s", json->item_sep); |
| 1413 | if (!json->compact) |
| 1414 | JSON_INDENT(); |
| 1415 | json_print_item_str(wctx, key, value); |
| 1416 | } |
| 1417 | |
| 1418 | static void json_print_int(WriterContext *wctx, const char *key, long long int value) |
| 1419 | { |
| 1420 | JSONContext *json = wctx->priv; |
| 1421 | AVBPrint buf; |
| 1422 | |
| 1423 | if (wctx->nb_item[wctx->level]) |
| 1424 | printf("%s", json->item_sep); |
| 1425 | if (!json->compact) |
| 1426 | JSON_INDENT(); |
| 1427 | |
| 1428 | av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1429 | printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value); |
| 1430 | av_bprint_finalize(&buf, NULL); |
| 1431 | } |
| 1432 | |
| 1433 | static const Writer json_writer = { |
| 1434 | .name = "json", |
| 1435 | .priv_size = sizeof(JSONContext), |
| 1436 | .init = json_init, |
| 1437 | .print_section_header = json_print_section_header, |
| 1438 | .print_section_footer = json_print_section_footer, |
| 1439 | .print_integer = json_print_int, |
| 1440 | .print_string = json_print_str, |
| 1441 | .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, |
| 1442 | .priv_class = &json_class, |
| 1443 | }; |
| 1444 | |
| 1445 | /* XML output */ |
| 1446 | |
| 1447 | typedef struct { |
| 1448 | const AVClass *class; |
| 1449 | int within_tag; |
| 1450 | int indent_level; |
| 1451 | int fully_qualified; |
| 1452 | int xsd_strict; |
| 1453 | } XMLContext; |
| 1454 | |
| 1455 | #undef OFFSET |
| 1456 | #define OFFSET(x) offsetof(XMLContext, x) |
| 1457 | |
| 1458 | static const AVOption xml_options[] = { |
| 1459 | {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 1460 | {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 1461 | {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 1462 | {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 }, |
| 1463 | {NULL}, |
| 1464 | }; |
| 1465 | |
| 1466 | DEFINE_WRITER_CLASS(xml); |
| 1467 | |
| 1468 | static av_cold int xml_init(WriterContext *wctx) |
| 1469 | { |
| 1470 | XMLContext *xml = wctx->priv; |
| 1471 | |
| 1472 | if (xml->xsd_strict) { |
| 1473 | xml->fully_qualified = 1; |
| 1474 | #define CHECK_COMPLIANCE(opt, opt_name) \ |
| 1475 | if (opt) { \ |
| 1476 | av_log(wctx, AV_LOG_ERROR, \ |
| 1477 | "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \ |
| 1478 | "You need to disable such option with '-no%s'\n", opt_name, opt_name); \ |
| 1479 | return AVERROR(EINVAL); \ |
| 1480 | } |
| 1481 | CHECK_COMPLIANCE(show_private_data, "private"); |
| 1482 | CHECK_COMPLIANCE(show_value_unit, "unit"); |
| 1483 | CHECK_COMPLIANCE(use_value_prefix, "prefix"); |
| 1484 | |
| 1485 | if (do_show_frames && do_show_packets) { |
| 1486 | av_log(wctx, AV_LOG_ERROR, |
| 1487 | "Interleaved frames and packets are not allowed in XSD. " |
| 1488 | "Select only one between the -show_frames and the -show_packets options.\n"); |
| 1489 | return AVERROR(EINVAL); |
| 1490 | } |
| 1491 | } |
| 1492 | |
| 1493 | return 0; |
| 1494 | } |
| 1495 | |
| 1496 | static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx) |
| 1497 | { |
| 1498 | const char *p; |
| 1499 | |
| 1500 | for (p = src; *p; p++) { |
| 1501 | switch (*p) { |
| 1502 | case '&' : av_bprintf(dst, "%s", "&"); break; |
| 1503 | case '<' : av_bprintf(dst, "%s", "<"); break; |
| 1504 | case '>' : av_bprintf(dst, "%s", ">"); break; |
| 1505 | case '"' : av_bprintf(dst, "%s", """); break; |
| 1506 | case '\'': av_bprintf(dst, "%s", "'"); break; |
| 1507 | default: av_bprint_chars(dst, *p, 1); |
| 1508 | } |
| 1509 | } |
| 1510 | |
| 1511 | return dst->str; |
| 1512 | } |
| 1513 | |
| 1514 | #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ') |
| 1515 | |
| 1516 | static void xml_print_section_header(WriterContext *wctx) |
| 1517 | { |
| 1518 | XMLContext *xml = wctx->priv; |
| 1519 | const struct section *section = wctx->section[wctx->level]; |
| 1520 | const struct section *parent_section = wctx->level ? |
| 1521 | wctx->section[wctx->level-1] : NULL; |
| 1522 | |
| 1523 | if (wctx->level == 0) { |
| 1524 | const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' " |
| 1525 | "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' " |
| 1526 | "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'"; |
| 1527 | |
| 1528 | printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"); |
| 1529 | printf("<%sffprobe%s>\n", |
| 1530 | xml->fully_qualified ? "ffprobe:" : "", |
| 1531 | xml->fully_qualified ? qual : ""); |
| 1532 | return; |
| 1533 | } |
| 1534 | |
| 1535 | if (xml->within_tag) { |
| 1536 | xml->within_tag = 0; |
| 1537 | printf(">\n"); |
| 1538 | } |
| 1539 | if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { |
| 1540 | xml->indent_level++; |
| 1541 | } else { |
| 1542 | if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) && |
| 1543 | wctx->level && wctx->nb_item[wctx->level-1]) |
| 1544 | printf("\n"); |
| 1545 | xml->indent_level++; |
| 1546 | |
| 1547 | if (section->flags & SECTION_FLAG_IS_ARRAY) { |
| 1548 | XML_INDENT(); printf("<%s>\n", section->name); |
| 1549 | } else { |
| 1550 | XML_INDENT(); printf("<%s ", section->name); |
| 1551 | xml->within_tag = 1; |
| 1552 | } |
| 1553 | } |
| 1554 | } |
| 1555 | |
| 1556 | static void xml_print_section_footer(WriterContext *wctx) |
| 1557 | { |
| 1558 | XMLContext *xml = wctx->priv; |
| 1559 | const struct section *section = wctx->section[wctx->level]; |
| 1560 | |
| 1561 | if (wctx->level == 0) { |
| 1562 | printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : ""); |
| 1563 | } else if (xml->within_tag) { |
| 1564 | xml->within_tag = 0; |
| 1565 | printf("/>\n"); |
| 1566 | xml->indent_level--; |
| 1567 | } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { |
| 1568 | xml->indent_level--; |
| 1569 | } else { |
| 1570 | XML_INDENT(); printf("</%s>\n", section->name); |
| 1571 | xml->indent_level--; |
| 1572 | } |
| 1573 | } |
| 1574 | |
| 1575 | static void xml_print_str(WriterContext *wctx, const char *key, const char *value) |
| 1576 | { |
| 1577 | AVBPrint buf; |
| 1578 | XMLContext *xml = wctx->priv; |
| 1579 | const struct section *section = wctx->section[wctx->level]; |
| 1580 | |
| 1581 | av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1582 | |
| 1583 | if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) { |
| 1584 | XML_INDENT(); |
| 1585 | printf("<%s key=\"%s\"", |
| 1586 | section->element_name, xml_escape_str(&buf, key, wctx)); |
| 1587 | av_bprint_clear(&buf); |
| 1588 | printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx)); |
| 1589 | } else { |
| 1590 | if (wctx->nb_item[wctx->level]) |
| 1591 | printf(" "); |
| 1592 | printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx)); |
| 1593 | } |
| 1594 | |
| 1595 | av_bprint_finalize(&buf, NULL); |
| 1596 | } |
| 1597 | |
| 1598 | static void xml_print_int(WriterContext *wctx, const char *key, long long int value) |
| 1599 | { |
| 1600 | if (wctx->nb_item[wctx->level]) |
| 1601 | printf(" "); |
| 1602 | printf("%s=\"%lld\"", key, value); |
| 1603 | } |
| 1604 | |
| 1605 | static Writer xml_writer = { |
| 1606 | .name = "xml", |
| 1607 | .priv_size = sizeof(XMLContext), |
| 1608 | .init = xml_init, |
| 1609 | .print_section_header = xml_print_section_header, |
| 1610 | .print_section_footer = xml_print_section_footer, |
| 1611 | .print_integer = xml_print_int, |
| 1612 | .print_string = xml_print_str, |
| 1613 | .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER, |
| 1614 | .priv_class = &xml_class, |
| 1615 | }; |
| 1616 | |
| 1617 | static void writer_register_all(void) |
| 1618 | { |
| 1619 | static int initialized; |
| 1620 | |
| 1621 | if (initialized) |
| 1622 | return; |
| 1623 | initialized = 1; |
| 1624 | |
| 1625 | writer_register(&default_writer); |
| 1626 | writer_register(&compact_writer); |
| 1627 | writer_register(&csv_writer); |
| 1628 | writer_register(&flat_writer); |
| 1629 | writer_register(&ini_writer); |
| 1630 | writer_register(&json_writer); |
| 1631 | writer_register(&xml_writer); |
| 1632 | } |
| 1633 | |
| 1634 | #define print_fmt(k, f, ...) do { \ |
| 1635 | av_bprint_clear(&pbuf); \ |
| 1636 | av_bprintf(&pbuf, f, __VA_ARGS__); \ |
| 1637 | writer_print_string(w, k, pbuf.str, 0); \ |
| 1638 | } while (0) |
| 1639 | |
| 1640 | #define print_int(k, v) writer_print_integer(w, k, v) |
| 1641 | #define print_q(k, v, s) writer_print_rational(w, k, v, s) |
| 1642 | #define print_str(k, v) writer_print_string(w, k, v, 0) |
| 1643 | #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT) |
| 1644 | #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE) |
| 1645 | #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0) |
| 1646 | #define print_ts(k, v) writer_print_ts(w, k, v, 0) |
| 1647 | #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1) |
| 1648 | #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1) |
| 1649 | #define print_val(k, v, u) do { \ |
| 1650 | struct unit_value uv; \ |
| 1651 | uv.val.i = v; \ |
| 1652 | uv.unit = u; \ |
| 1653 | writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \ |
| 1654 | } while (0) |
| 1655 | |
| 1656 | #define print_section_header(s) writer_print_section_header(w, s) |
| 1657 | #define print_section_footer(s) writer_print_section_footer(w, s) |
| 1658 | |
| 1659 | #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \ |
| 1660 | { \ |
| 1661 | ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \ |
| 1662 | if (ret < 0) \ |
| 1663 | goto end; \ |
| 1664 | memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \ |
| 1665 | } |
| 1666 | |
| 1667 | static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id) |
| 1668 | { |
| 1669 | AVDictionaryEntry *tag = NULL; |
| 1670 | int ret = 0; |
| 1671 | |
| 1672 | if (!tags) |
| 1673 | return 0; |
| 1674 | writer_print_section_header(w, section_id); |
| 1675 | |
| 1676 | while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) { |
| 1677 | if ((ret = print_str_validate(tag->key, tag->value)) < 0) |
| 1678 | break; |
| 1679 | } |
| 1680 | writer_print_section_footer(w); |
| 1681 | |
| 1682 | return ret; |
| 1683 | } |
| 1684 | |
| 1685 | static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx) |
| 1686 | { |
| 1687 | char val_str[128]; |
| 1688 | AVStream *st = fmt_ctx->streams[pkt->stream_index]; |
| 1689 | AVBPrint pbuf; |
| 1690 | const char *s; |
| 1691 | |
| 1692 | av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1693 | |
| 1694 | writer_print_section_header(w, SECTION_ID_PACKET); |
| 1695 | |
| 1696 | s = av_get_media_type_string(st->codec->codec_type); |
| 1697 | if (s) print_str ("codec_type", s); |
| 1698 | else print_str_opt("codec_type", "unknown"); |
| 1699 | print_int("stream_index", pkt->stream_index); |
| 1700 | print_ts ("pts", pkt->pts); |
| 1701 | print_time("pts_time", pkt->pts, &st->time_base); |
| 1702 | print_ts ("dts", pkt->dts); |
| 1703 | print_time("dts_time", pkt->dts, &st->time_base); |
| 1704 | print_duration_ts("duration", pkt->duration); |
| 1705 | print_duration_time("duration_time", pkt->duration, &st->time_base); |
| 1706 | print_duration_ts("convergence_duration", pkt->convergence_duration); |
| 1707 | print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base); |
| 1708 | print_val("size", pkt->size, unit_byte_str); |
| 1709 | if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos); |
| 1710 | else print_str_opt("pos", "N/A"); |
| 1711 | print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_'); |
| 1712 | if (do_show_data) |
| 1713 | writer_print_data(w, "data", pkt->data, pkt->size); |
| 1714 | writer_print_data_hash(w, "data_hash", pkt->data, pkt->size); |
| 1715 | writer_print_section_footer(w); |
| 1716 | |
| 1717 | av_bprint_finalize(&pbuf, NULL); |
| 1718 | fflush(stdout); |
| 1719 | } |
| 1720 | |
| 1721 | static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream, |
| 1722 | AVFormatContext *fmt_ctx) |
| 1723 | { |
| 1724 | AVBPrint pbuf; |
| 1725 | |
| 1726 | av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1727 | |
| 1728 | writer_print_section_header(w, SECTION_ID_SUBTITLE); |
| 1729 | |
| 1730 | print_str ("media_type", "subtitle"); |
| 1731 | print_ts ("pts", sub->pts); |
| 1732 | print_time("pts_time", sub->pts, &AV_TIME_BASE_Q); |
| 1733 | print_int ("format", sub->format); |
| 1734 | print_int ("start_display_time", sub->start_display_time); |
| 1735 | print_int ("end_display_time", sub->end_display_time); |
| 1736 | print_int ("num_rects", sub->num_rects); |
| 1737 | |
| 1738 | writer_print_section_footer(w); |
| 1739 | |
| 1740 | av_bprint_finalize(&pbuf, NULL); |
| 1741 | fflush(stdout); |
| 1742 | } |
| 1743 | |
| 1744 | static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream, |
| 1745 | AVFormatContext *fmt_ctx) |
| 1746 | { |
| 1747 | AVBPrint pbuf; |
| 1748 | const char *s; |
| 1749 | int i; |
| 1750 | |
| 1751 | av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 1752 | |
| 1753 | writer_print_section_header(w, SECTION_ID_FRAME); |
| 1754 | |
| 1755 | s = av_get_media_type_string(stream->codec->codec_type); |
| 1756 | if (s) print_str ("media_type", s); |
| 1757 | else print_str_opt("media_type", "unknown"); |
| 1758 | print_int("key_frame", frame->key_frame); |
| 1759 | print_ts ("pkt_pts", frame->pkt_pts); |
| 1760 | print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base); |
| 1761 | print_ts ("pkt_dts", frame->pkt_dts); |
| 1762 | print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base); |
| 1763 | print_ts ("best_effort_timestamp", av_frame_get_best_effort_timestamp(frame)); |
| 1764 | print_time("best_effort_timestamp_time", av_frame_get_best_effort_timestamp(frame), &stream->time_base); |
| 1765 | print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame)); |
| 1766 | print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base); |
| 1767 | if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame)); |
| 1768 | else print_str_opt("pkt_pos", "N/A"); |
| 1769 | if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame)); |
| 1770 | else print_str_opt("pkt_size", "N/A"); |
| 1771 | |
| 1772 | switch (stream->codec->codec_type) { |
| 1773 | AVRational sar; |
| 1774 | |
| 1775 | case AVMEDIA_TYPE_VIDEO: |
| 1776 | print_int("width", frame->width); |
| 1777 | print_int("height", frame->height); |
| 1778 | s = av_get_pix_fmt_name(frame->format); |
| 1779 | if (s) print_str ("pix_fmt", s); |
| 1780 | else print_str_opt("pix_fmt", "unknown"); |
| 1781 | sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame); |
| 1782 | if (sar.num) { |
| 1783 | print_q("sample_aspect_ratio", sar, ':'); |
| 1784 | } else { |
| 1785 | print_str_opt("sample_aspect_ratio", "N/A"); |
| 1786 | } |
| 1787 | print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type)); |
| 1788 | print_int("coded_picture_number", frame->coded_picture_number); |
| 1789 | print_int("display_picture_number", frame->display_picture_number); |
| 1790 | print_int("interlaced_frame", frame->interlaced_frame); |
| 1791 | print_int("top_field_first", frame->top_field_first); |
| 1792 | print_int("repeat_pict", frame->repeat_pict); |
| 1793 | break; |
| 1794 | |
| 1795 | case AVMEDIA_TYPE_AUDIO: |
| 1796 | s = av_get_sample_fmt_name(frame->format); |
| 1797 | if (s) print_str ("sample_fmt", s); |
| 1798 | else print_str_opt("sample_fmt", "unknown"); |
| 1799 | print_int("nb_samples", frame->nb_samples); |
| 1800 | print_int("channels", av_frame_get_channels(frame)); |
| 1801 | if (av_frame_get_channel_layout(frame)) { |
| 1802 | av_bprint_clear(&pbuf); |
| 1803 | av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame), |
| 1804 | av_frame_get_channel_layout(frame)); |
| 1805 | print_str ("channel_layout", pbuf.str); |
| 1806 | } else |
| 1807 | print_str_opt("channel_layout", "unknown"); |
| 1808 | break; |
| 1809 | } |
| 1810 | if (do_show_frame_tags) |
| 1811 | show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS); |
| 1812 | if (frame->nb_side_data) { |
| 1813 | writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST); |
| 1814 | for (i = 0; i < frame->nb_side_data; i++) { |
| 1815 | AVFrameSideData *sd = frame->side_data[i]; |
| 1816 | const char *name; |
| 1817 | |
| 1818 | writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA); |
| 1819 | name = av_frame_side_data_name(sd->type); |
| 1820 | print_str("side_data_type", name ? name : "unknown"); |
| 1821 | print_int("side_data_size", sd->size); |
| 1822 | writer_print_section_footer(w); |
| 1823 | } |
| 1824 | writer_print_section_footer(w); |
| 1825 | } |
| 1826 | |
| 1827 | writer_print_section_footer(w); |
| 1828 | |
| 1829 | av_bprint_finalize(&pbuf, NULL); |
| 1830 | fflush(stdout); |
| 1831 | } |
| 1832 | |
| 1833 | static av_always_inline int process_frame(WriterContext *w, |
| 1834 | AVFormatContext *fmt_ctx, |
| 1835 | AVFrame *frame, AVPacket *pkt) |
| 1836 | { |
| 1837 | AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec; |
| 1838 | AVSubtitle sub; |
| 1839 | int ret = 0, got_frame = 0; |
| 1840 | |
| 1841 | if (dec_ctx->codec) { |
| 1842 | switch (dec_ctx->codec_type) { |
| 1843 | case AVMEDIA_TYPE_VIDEO: |
| 1844 | ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt); |
| 1845 | break; |
| 1846 | |
| 1847 | case AVMEDIA_TYPE_AUDIO: |
| 1848 | ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt); |
| 1849 | break; |
| 1850 | |
| 1851 | case AVMEDIA_TYPE_SUBTITLE: |
| 1852 | ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt); |
| 1853 | break; |
| 1854 | } |
| 1855 | } |
| 1856 | |
| 1857 | if (ret < 0) |
| 1858 | return ret; |
| 1859 | ret = FFMIN(ret, pkt->size); /* guard against bogus return values */ |
| 1860 | pkt->data += ret; |
| 1861 | pkt->size -= ret; |
| 1862 | if (got_frame) { |
| 1863 | int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE); |
| 1864 | nb_streams_frames[pkt->stream_index]++; |
| 1865 | if (do_show_frames) |
| 1866 | if (is_sub) |
| 1867 | show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx); |
| 1868 | else |
| 1869 | show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx); |
| 1870 | if (is_sub) |
| 1871 | avsubtitle_free(&sub); |
| 1872 | } |
| 1873 | return got_frame; |
| 1874 | } |
| 1875 | |
| 1876 | static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level) |
| 1877 | { |
| 1878 | av_log(log_ctx, log_level, "id:%d", interval->id); |
| 1879 | |
| 1880 | if (interval->has_start) { |
| 1881 | av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "", |
| 1882 | av_ts2timestr(interval->start, &AV_TIME_BASE_Q)); |
| 1883 | } else { |
| 1884 | av_log(log_ctx, log_level, " start:N/A"); |
| 1885 | } |
| 1886 | |
| 1887 | if (interval->has_end) { |
| 1888 | av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : ""); |
| 1889 | if (interval->duration_frames) |
| 1890 | av_log(log_ctx, log_level, "#%"PRId64, interval->end); |
| 1891 | else |
| 1892 | av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q)); |
| 1893 | } else { |
| 1894 | av_log(log_ctx, log_level, " end:N/A"); |
| 1895 | } |
| 1896 | |
| 1897 | av_log(log_ctx, log_level, "\n"); |
| 1898 | } |
| 1899 | |
| 1900 | static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx, |
| 1901 | const ReadInterval *interval, int64_t *cur_ts) |
| 1902 | { |
| 1903 | AVPacket pkt, pkt1; |
| 1904 | AVFrame *frame = NULL; |
| 1905 | int ret = 0, i = 0, frame_count = 0; |
| 1906 | int64_t start = -INT64_MAX, end = interval->end; |
| 1907 | int has_start = 0, has_end = interval->has_end && !interval->end_is_offset; |
| 1908 | |
| 1909 | av_init_packet(&pkt); |
| 1910 | |
| 1911 | av_log(NULL, AV_LOG_VERBOSE, "Processing read interval "); |
| 1912 | log_read_interval(interval, NULL, AV_LOG_VERBOSE); |
| 1913 | |
| 1914 | if (interval->has_start) { |
| 1915 | int64_t target; |
| 1916 | if (interval->start_is_offset) { |
| 1917 | if (*cur_ts == AV_NOPTS_VALUE) { |
| 1918 | av_log(NULL, AV_LOG_ERROR, |
| 1919 | "Could not seek to relative position since current " |
| 1920 | "timestamp is not defined\n"); |
| 1921 | ret = AVERROR(EINVAL); |
| 1922 | goto end; |
| 1923 | } |
| 1924 | target = *cur_ts + interval->start; |
| 1925 | } else { |
| 1926 | target = interval->start; |
| 1927 | } |
| 1928 | |
| 1929 | av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n", |
| 1930 | av_ts2timestr(target, &AV_TIME_BASE_Q)); |
| 1931 | if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) { |
| 1932 | av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n", |
| 1933 | interval->start, av_err2str(ret)); |
| 1934 | goto end; |
| 1935 | } |
| 1936 | } |
| 1937 | |
| 1938 | frame = av_frame_alloc(); |
| 1939 | if (!frame) { |
| 1940 | ret = AVERROR(ENOMEM); |
| 1941 | goto end; |
| 1942 | } |
| 1943 | while (!av_read_frame(fmt_ctx, &pkt)) { |
| 1944 | if (fmt_ctx->nb_streams > nb_streams) { |
| 1945 | REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams); |
| 1946 | REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams); |
| 1947 | REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams); |
| 1948 | nb_streams = fmt_ctx->nb_streams; |
| 1949 | } |
| 1950 | if (selected_streams[pkt.stream_index]) { |
| 1951 | AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base; |
| 1952 | |
| 1953 | if (pkt.pts != AV_NOPTS_VALUE) |
| 1954 | *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q); |
| 1955 | |
| 1956 | if (!has_start && *cur_ts != AV_NOPTS_VALUE) { |
| 1957 | start = *cur_ts; |
| 1958 | has_start = 1; |
| 1959 | } |
| 1960 | |
| 1961 | if (has_start && !has_end && interval->end_is_offset) { |
| 1962 | end = start + interval->end; |
| 1963 | has_end = 1; |
| 1964 | } |
| 1965 | |
| 1966 | if (interval->end_is_offset && interval->duration_frames) { |
| 1967 | if (frame_count >= interval->end) |
| 1968 | break; |
| 1969 | } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) { |
| 1970 | break; |
| 1971 | } |
| 1972 | |
| 1973 | frame_count++; |
| 1974 | if (do_read_packets) { |
| 1975 | if (do_show_packets) |
| 1976 | show_packet(w, fmt_ctx, &pkt, i++); |
| 1977 | nb_streams_packets[pkt.stream_index]++; |
| 1978 | } |
| 1979 | if (do_read_frames) { |
| 1980 | pkt1 = pkt; |
| 1981 | while (pkt1.size && process_frame(w, fmt_ctx, frame, &pkt1) > 0); |
| 1982 | } |
| 1983 | } |
| 1984 | av_free_packet(&pkt); |
| 1985 | } |
| 1986 | av_init_packet(&pkt); |
| 1987 | pkt.data = NULL; |
| 1988 | pkt.size = 0; |
| 1989 | //Flush remaining frames that are cached in the decoder |
| 1990 | for (i = 0; i < fmt_ctx->nb_streams; i++) { |
| 1991 | pkt.stream_index = i; |
| 1992 | if (do_read_frames) |
| 1993 | while (process_frame(w, fmt_ctx, frame, &pkt) > 0); |
| 1994 | } |
| 1995 | |
| 1996 | end: |
| 1997 | av_frame_free(&frame); |
| 1998 | if (ret < 0) { |
| 1999 | av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval "); |
| 2000 | log_read_interval(interval, NULL, AV_LOG_ERROR); |
| 2001 | } |
| 2002 | return ret; |
| 2003 | } |
| 2004 | |
| 2005 | static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx) |
| 2006 | { |
| 2007 | int i, ret = 0; |
| 2008 | int64_t cur_ts = fmt_ctx->start_time; |
| 2009 | |
| 2010 | if (read_intervals_nb == 0) { |
| 2011 | ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 }; |
| 2012 | ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts); |
| 2013 | } else { |
| 2014 | for (i = 0; i < read_intervals_nb; i++) { |
| 2015 | ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts); |
| 2016 | if (ret < 0) |
| 2017 | break; |
| 2018 | } |
| 2019 | } |
| 2020 | |
| 2021 | return ret; |
| 2022 | } |
| 2023 | |
| 2024 | static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program) |
| 2025 | { |
| 2026 | AVStream *stream = fmt_ctx->streams[stream_idx]; |
| 2027 | AVCodecContext *dec_ctx; |
| 2028 | const AVCodec *dec; |
| 2029 | char val_str[128]; |
| 2030 | const char *s; |
| 2031 | AVRational sar, dar; |
| 2032 | AVBPrint pbuf; |
| 2033 | const AVCodecDescriptor *cd; |
| 2034 | int ret = 0; |
| 2035 | |
| 2036 | av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 2037 | |
| 2038 | writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM); |
| 2039 | |
| 2040 | print_int("index", stream->index); |
| 2041 | |
| 2042 | if ((dec_ctx = stream->codec)) { |
| 2043 | const char *profile = NULL; |
| 2044 | dec = dec_ctx->codec; |
| 2045 | if (dec) { |
| 2046 | print_str("codec_name", dec->name); |
| 2047 | if (!do_bitexact) { |
| 2048 | if (dec->long_name) print_str ("codec_long_name", dec->long_name); |
| 2049 | else print_str_opt("codec_long_name", "unknown"); |
| 2050 | } |
| 2051 | } else if ((cd = avcodec_descriptor_get(stream->codec->codec_id))) { |
| 2052 | print_str_opt("codec_name", cd->name); |
| 2053 | if (!do_bitexact) { |
| 2054 | print_str_opt("codec_long_name", |
| 2055 | cd->long_name ? cd->long_name : "unknown"); |
| 2056 | } |
| 2057 | } else { |
| 2058 | print_str_opt("codec_name", "unknown"); |
| 2059 | if (!do_bitexact) { |
| 2060 | print_str_opt("codec_long_name", "unknown"); |
| 2061 | } |
| 2062 | } |
| 2063 | |
| 2064 | if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile))) |
| 2065 | print_str("profile", profile); |
| 2066 | else |
| 2067 | print_str_opt("profile", "unknown"); |
| 2068 | |
| 2069 | s = av_get_media_type_string(dec_ctx->codec_type); |
| 2070 | if (s) print_str ("codec_type", s); |
| 2071 | else print_str_opt("codec_type", "unknown"); |
| 2072 | print_q("codec_time_base", dec_ctx->time_base, '/'); |
| 2073 | |
| 2074 | /* print AVI/FourCC tag */ |
| 2075 | av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag); |
| 2076 | print_str("codec_tag_string", val_str); |
| 2077 | print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag); |
| 2078 | |
| 2079 | switch (dec_ctx->codec_type) { |
| 2080 | case AVMEDIA_TYPE_VIDEO: |
| 2081 | print_int("width", dec_ctx->width); |
| 2082 | print_int("height", dec_ctx->height); |
| 2083 | print_int("has_b_frames", dec_ctx->has_b_frames); |
| 2084 | sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL); |
| 2085 | if (sar.den) { |
| 2086 | print_q("sample_aspect_ratio", sar, ':'); |
| 2087 | av_reduce(&dar.num, &dar.den, |
| 2088 | dec_ctx->width * sar.num, |
| 2089 | dec_ctx->height * sar.den, |
| 2090 | 1024*1024); |
| 2091 | print_q("display_aspect_ratio", dar, ':'); |
| 2092 | } else { |
| 2093 | print_str_opt("sample_aspect_ratio", "N/A"); |
| 2094 | print_str_opt("display_aspect_ratio", "N/A"); |
| 2095 | } |
| 2096 | s = av_get_pix_fmt_name(dec_ctx->pix_fmt); |
| 2097 | if (s) print_str ("pix_fmt", s); |
| 2098 | else print_str_opt("pix_fmt", "unknown"); |
| 2099 | print_int("level", dec_ctx->level); |
| 2100 | if (dec_ctx->color_range != AVCOL_RANGE_UNSPECIFIED) |
| 2101 | print_str ("color_range", dec_ctx->color_range == AVCOL_RANGE_MPEG ? "tv": "pc"); |
| 2102 | else |
| 2103 | print_str_opt("color_range", "N/A"); |
| 2104 | s = av_get_colorspace_name(dec_ctx->colorspace); |
| 2105 | if (s) print_str ("color_space", s); |
| 2106 | else print_str_opt("color_space", "unknown"); |
| 2107 | if (dec_ctx->timecode_frame_start >= 0) { |
| 2108 | char tcbuf[AV_TIMECODE_STR_SIZE]; |
| 2109 | av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start); |
| 2110 | print_str("timecode", tcbuf); |
| 2111 | } else { |
| 2112 | print_str_opt("timecode", "N/A"); |
| 2113 | } |
| 2114 | break; |
| 2115 | |
| 2116 | case AVMEDIA_TYPE_AUDIO: |
| 2117 | s = av_get_sample_fmt_name(dec_ctx->sample_fmt); |
| 2118 | if (s) print_str ("sample_fmt", s); |
| 2119 | else print_str_opt("sample_fmt", "unknown"); |
| 2120 | print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str); |
| 2121 | print_int("channels", dec_ctx->channels); |
| 2122 | |
| 2123 | if (dec_ctx->channel_layout) { |
| 2124 | av_bprint_clear(&pbuf); |
| 2125 | av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout); |
| 2126 | print_str ("channel_layout", pbuf.str); |
| 2127 | } else { |
| 2128 | print_str_opt("channel_layout", "unknown"); |
| 2129 | } |
| 2130 | |
| 2131 | print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id)); |
| 2132 | break; |
| 2133 | |
| 2134 | case AVMEDIA_TYPE_SUBTITLE: |
| 2135 | if (dec_ctx->width) |
| 2136 | print_int("width", dec_ctx->width); |
| 2137 | else |
| 2138 | print_str_opt("width", "N/A"); |
| 2139 | if (dec_ctx->height) |
| 2140 | print_int("height", dec_ctx->height); |
| 2141 | else |
| 2142 | print_str_opt("height", "N/A"); |
| 2143 | break; |
| 2144 | } |
| 2145 | } else { |
| 2146 | print_str_opt("codec_type", "unknown"); |
| 2147 | } |
| 2148 | if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) { |
| 2149 | const AVOption *opt = NULL; |
| 2150 | while (opt = av_opt_next(dec_ctx->priv_data,opt)) { |
| 2151 | uint8_t *str; |
| 2152 | if (opt->flags) continue; |
| 2153 | if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) { |
| 2154 | print_str(opt->name, str); |
| 2155 | av_free(str); |
| 2156 | } |
| 2157 | } |
| 2158 | } |
| 2159 | |
| 2160 | if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id); |
| 2161 | else print_str_opt("id", "N/A"); |
| 2162 | print_q("r_frame_rate", stream->r_frame_rate, '/'); |
| 2163 | print_q("avg_frame_rate", stream->avg_frame_rate, '/'); |
| 2164 | print_q("time_base", stream->time_base, '/'); |
| 2165 | print_ts ("start_pts", stream->start_time); |
| 2166 | print_time("start_time", stream->start_time, &stream->time_base); |
| 2167 | print_ts ("duration_ts", stream->duration); |
| 2168 | print_time("duration", stream->duration, &stream->time_base); |
| 2169 | if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str); |
| 2170 | else print_str_opt("bit_rate", "N/A"); |
| 2171 | if (dec_ctx->rc_max_rate > 0) print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str); |
| 2172 | else print_str_opt("max_bit_rate", "N/A"); |
| 2173 | if (dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample); |
| 2174 | else print_str_opt("bits_per_raw_sample", "N/A"); |
| 2175 | if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames); |
| 2176 | else print_str_opt("nb_frames", "N/A"); |
| 2177 | if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]); |
| 2178 | else print_str_opt("nb_read_frames", "N/A"); |
| 2179 | if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]); |
| 2180 | else print_str_opt("nb_read_packets", "N/A"); |
| 2181 | if (do_show_data) |
| 2182 | writer_print_data(w, "extradata", dec_ctx->extradata, |
| 2183 | dec_ctx->extradata_size); |
| 2184 | writer_print_data_hash(w, "extradata_hash", dec_ctx->extradata, |
| 2185 | dec_ctx->extradata_size); |
| 2186 | |
| 2187 | /* Print disposition information */ |
| 2188 | #define PRINT_DISPOSITION(flagname, name) do { \ |
| 2189 | print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \ |
| 2190 | } while (0) |
| 2191 | |
| 2192 | if (do_show_stream_disposition) { |
| 2193 | writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION); |
| 2194 | PRINT_DISPOSITION(DEFAULT, "default"); |
| 2195 | PRINT_DISPOSITION(DUB, "dub"); |
| 2196 | PRINT_DISPOSITION(ORIGINAL, "original"); |
| 2197 | PRINT_DISPOSITION(COMMENT, "comment"); |
| 2198 | PRINT_DISPOSITION(LYRICS, "lyrics"); |
| 2199 | PRINT_DISPOSITION(KARAOKE, "karaoke"); |
| 2200 | PRINT_DISPOSITION(FORCED, "forced"); |
| 2201 | PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired"); |
| 2202 | PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired"); |
| 2203 | PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects"); |
| 2204 | PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic"); |
| 2205 | writer_print_section_footer(w); |
| 2206 | } |
| 2207 | |
| 2208 | if (do_show_stream_tags) |
| 2209 | ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS); |
| 2210 | |
| 2211 | writer_print_section_footer(w); |
| 2212 | av_bprint_finalize(&pbuf, NULL); |
| 2213 | fflush(stdout); |
| 2214 | |
| 2215 | return ret; |
| 2216 | } |
| 2217 | |
| 2218 | static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx) |
| 2219 | { |
| 2220 | int i, ret = 0; |
| 2221 | |
| 2222 | writer_print_section_header(w, SECTION_ID_STREAMS); |
| 2223 | for (i = 0; i < fmt_ctx->nb_streams; i++) |
| 2224 | if (selected_streams[i]) { |
| 2225 | ret = show_stream(w, fmt_ctx, i, 0); |
| 2226 | if (ret < 0) |
| 2227 | break; |
| 2228 | } |
| 2229 | writer_print_section_footer(w); |
| 2230 | |
| 2231 | return ret; |
| 2232 | } |
| 2233 | |
| 2234 | static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program) |
| 2235 | { |
| 2236 | int i, ret = 0; |
| 2237 | |
| 2238 | writer_print_section_header(w, SECTION_ID_PROGRAM); |
| 2239 | print_int("program_id", program->id); |
| 2240 | print_int("program_num", program->program_num); |
| 2241 | print_int("nb_streams", program->nb_stream_indexes); |
| 2242 | print_int("pmt_pid", program->pmt_pid); |
| 2243 | print_int("pcr_pid", program->pcr_pid); |
| 2244 | print_ts("start_pts", program->start_time); |
| 2245 | print_time("start_time", program->start_time, &AV_TIME_BASE_Q); |
| 2246 | print_ts("end_pts", program->end_time); |
| 2247 | print_time("end_time", program->end_time, &AV_TIME_BASE_Q); |
| 2248 | if (do_show_program_tags) |
| 2249 | ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS); |
| 2250 | if (ret < 0) |
| 2251 | goto end; |
| 2252 | |
| 2253 | writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS); |
| 2254 | for (i = 0; i < program->nb_stream_indexes; i++) { |
| 2255 | if (selected_streams[program->stream_index[i]]) { |
| 2256 | ret = show_stream(w, fmt_ctx, program->stream_index[i], 1); |
| 2257 | if (ret < 0) |
| 2258 | break; |
| 2259 | } |
| 2260 | } |
| 2261 | writer_print_section_footer(w); |
| 2262 | |
| 2263 | end: |
| 2264 | writer_print_section_footer(w); |
| 2265 | return ret; |
| 2266 | } |
| 2267 | |
| 2268 | static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx) |
| 2269 | { |
| 2270 | int i, ret = 0; |
| 2271 | |
| 2272 | writer_print_section_header(w, SECTION_ID_PROGRAMS); |
| 2273 | for (i = 0; i < fmt_ctx->nb_programs; i++) { |
| 2274 | AVProgram *program = fmt_ctx->programs[i]; |
| 2275 | if (!program) |
| 2276 | continue; |
| 2277 | ret = show_program(w, fmt_ctx, program); |
| 2278 | if (ret < 0) |
| 2279 | break; |
| 2280 | } |
| 2281 | writer_print_section_footer(w); |
| 2282 | return ret; |
| 2283 | } |
| 2284 | |
| 2285 | static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx) |
| 2286 | { |
| 2287 | int i, ret = 0; |
| 2288 | |
| 2289 | writer_print_section_header(w, SECTION_ID_CHAPTERS); |
| 2290 | for (i = 0; i < fmt_ctx->nb_chapters; i++) { |
| 2291 | AVChapter *chapter = fmt_ctx->chapters[i]; |
| 2292 | |
| 2293 | writer_print_section_header(w, SECTION_ID_CHAPTER); |
| 2294 | print_int("id", chapter->id); |
| 2295 | print_q ("time_base", chapter->time_base, '/'); |
| 2296 | print_int("start", chapter->start); |
| 2297 | print_time("start_time", chapter->start, &chapter->time_base); |
| 2298 | print_int("end", chapter->end); |
| 2299 | print_time("end_time", chapter->end, &chapter->time_base); |
| 2300 | if (do_show_chapter_tags) |
| 2301 | ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS); |
| 2302 | writer_print_section_footer(w); |
| 2303 | } |
| 2304 | writer_print_section_footer(w); |
| 2305 | |
| 2306 | return ret; |
| 2307 | } |
| 2308 | |
| 2309 | static int show_format(WriterContext *w, AVFormatContext *fmt_ctx) |
| 2310 | { |
| 2311 | char val_str[128]; |
| 2312 | int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1; |
| 2313 | int ret = 0; |
| 2314 | |
| 2315 | writer_print_section_header(w, SECTION_ID_FORMAT); |
| 2316 | print_str_validate("filename", fmt_ctx->filename); |
| 2317 | print_int("nb_streams", fmt_ctx->nb_streams); |
| 2318 | print_int("nb_programs", fmt_ctx->nb_programs); |
| 2319 | print_str("format_name", fmt_ctx->iformat->name); |
| 2320 | if (!do_bitexact) { |
| 2321 | if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name); |
| 2322 | else print_str_opt("format_long_name", "unknown"); |
| 2323 | } |
| 2324 | print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q); |
| 2325 | print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q); |
| 2326 | if (size >= 0) print_val ("size", size, unit_byte_str); |
| 2327 | else print_str_opt("size", "N/A"); |
| 2328 | if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str); |
| 2329 | else print_str_opt("bit_rate", "N/A"); |
| 2330 | print_int("probe_score", av_format_get_probe_score(fmt_ctx)); |
| 2331 | if (do_show_format_tags) |
| 2332 | ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS); |
| 2333 | |
| 2334 | writer_print_section_footer(w); |
| 2335 | fflush(stdout); |
| 2336 | return ret; |
| 2337 | } |
| 2338 | |
| 2339 | static void show_error(WriterContext *w, int err) |
| 2340 | { |
| 2341 | char errbuf[128]; |
| 2342 | const char *errbuf_ptr = errbuf; |
| 2343 | |
| 2344 | if (av_strerror(err, errbuf, sizeof(errbuf)) < 0) |
| 2345 | errbuf_ptr = strerror(AVUNERROR(err)); |
| 2346 | |
| 2347 | writer_print_section_header(w, SECTION_ID_ERROR); |
| 2348 | print_int("code", err); |
| 2349 | print_str("string", errbuf_ptr); |
| 2350 | writer_print_section_footer(w); |
| 2351 | } |
| 2352 | |
| 2353 | static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename) |
| 2354 | { |
| 2355 | int err, i, orig_nb_streams; |
| 2356 | AVFormatContext *fmt_ctx = NULL; |
| 2357 | AVDictionaryEntry *t; |
| 2358 | AVDictionary **opts; |
| 2359 | |
| 2360 | if ((err = avformat_open_input(&fmt_ctx, filename, |
| 2361 | iformat, &format_opts)) < 0) { |
| 2362 | print_error(filename, err); |
| 2363 | return err; |
| 2364 | } |
| 2365 | if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) { |
| 2366 | av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key); |
| 2367 | return AVERROR_OPTION_NOT_FOUND; |
| 2368 | } |
| 2369 | |
| 2370 | /* fill the streams in the format context */ |
| 2371 | opts = setup_find_stream_info_opts(fmt_ctx, codec_opts); |
| 2372 | orig_nb_streams = fmt_ctx->nb_streams; |
| 2373 | |
| 2374 | if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) { |
| 2375 | print_error(filename, err); |
| 2376 | return err; |
| 2377 | } |
| 2378 | for (i = 0; i < orig_nb_streams; i++) |
| 2379 | av_dict_free(&opts[i]); |
| 2380 | av_freep(&opts); |
| 2381 | |
| 2382 | av_dump_format(fmt_ctx, 0, filename, 0); |
| 2383 | |
| 2384 | /* bind a decoder to each input stream */ |
| 2385 | for (i = 0; i < fmt_ctx->nb_streams; i++) { |
| 2386 | AVStream *stream = fmt_ctx->streams[i]; |
| 2387 | AVCodec *codec; |
| 2388 | |
| 2389 | if (stream->codec->codec_id == AV_CODEC_ID_PROBE) { |
| 2390 | av_log(NULL, AV_LOG_WARNING, |
| 2391 | "Failed to probe codec for input stream %d\n", |
| 2392 | stream->index); |
| 2393 | } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) { |
| 2394 | av_log(NULL, AV_LOG_WARNING, |
| 2395 | "Unsupported codec with id %d for input stream %d\n", |
| 2396 | stream->codec->codec_id, stream->index); |
| 2397 | } else { |
| 2398 | AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id, |
| 2399 | fmt_ctx, stream, codec); |
| 2400 | if (avcodec_open2(stream->codec, codec, &opts) < 0) { |
| 2401 | av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n", |
| 2402 | stream->index); |
| 2403 | } |
| 2404 | if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) { |
| 2405 | av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n", |
| 2406 | t->key, stream->index); |
| 2407 | return AVERROR_OPTION_NOT_FOUND; |
| 2408 | } |
| 2409 | } |
| 2410 | } |
| 2411 | |
| 2412 | *fmt_ctx_ptr = fmt_ctx; |
| 2413 | return 0; |
| 2414 | } |
| 2415 | |
| 2416 | static void close_input_file(AVFormatContext **ctx_ptr) |
| 2417 | { |
| 2418 | int i; |
| 2419 | AVFormatContext *fmt_ctx = *ctx_ptr; |
| 2420 | |
| 2421 | /* close decoder for each stream */ |
| 2422 | for (i = 0; i < fmt_ctx->nb_streams; i++) |
| 2423 | if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE) |
| 2424 | avcodec_close(fmt_ctx->streams[i]->codec); |
| 2425 | |
| 2426 | avformat_close_input(ctx_ptr); |
| 2427 | } |
| 2428 | |
| 2429 | static int probe_file(WriterContext *wctx, const char *filename) |
| 2430 | { |
| 2431 | AVFormatContext *fmt_ctx; |
| 2432 | int ret, i; |
| 2433 | int section_id; |
| 2434 | |
| 2435 | do_read_frames = do_show_frames || do_count_frames; |
| 2436 | do_read_packets = do_show_packets || do_count_packets; |
| 2437 | |
| 2438 | ret = open_input_file(&fmt_ctx, filename); |
| 2439 | if (ret < 0) |
| 2440 | return ret; |
| 2441 | |
| 2442 | #define CHECK_END if (ret < 0) goto end |
| 2443 | |
| 2444 | nb_streams = fmt_ctx->nb_streams; |
| 2445 | REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,fmt_ctx->nb_streams); |
| 2446 | REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,fmt_ctx->nb_streams); |
| 2447 | REALLOCZ_ARRAY_STREAM(selected_streams,0,fmt_ctx->nb_streams); |
| 2448 | |
| 2449 | for (i = 0; i < fmt_ctx->nb_streams; i++) { |
| 2450 | if (stream_specifier) { |
| 2451 | ret = avformat_match_stream_specifier(fmt_ctx, |
| 2452 | fmt_ctx->streams[i], |
| 2453 | stream_specifier); |
| 2454 | CHECK_END; |
| 2455 | else |
| 2456 | selected_streams[i] = ret; |
| 2457 | ret = 0; |
| 2458 | } else { |
| 2459 | selected_streams[i] = 1; |
| 2460 | } |
| 2461 | } |
| 2462 | |
| 2463 | if (do_read_frames || do_read_packets) { |
| 2464 | if (do_show_frames && do_show_packets && |
| 2465 | wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER) |
| 2466 | section_id = SECTION_ID_PACKETS_AND_FRAMES; |
| 2467 | else if (do_show_packets && !do_show_frames) |
| 2468 | section_id = SECTION_ID_PACKETS; |
| 2469 | else // (!do_show_packets && do_show_frames) |
| 2470 | section_id = SECTION_ID_FRAMES; |
| 2471 | if (do_show_frames || do_show_packets) |
| 2472 | writer_print_section_header(wctx, section_id); |
| 2473 | ret = read_packets(wctx, fmt_ctx); |
| 2474 | if (do_show_frames || do_show_packets) |
| 2475 | writer_print_section_footer(wctx); |
| 2476 | CHECK_END; |
| 2477 | } |
| 2478 | |
| 2479 | if (do_show_programs) { |
| 2480 | ret = show_programs(wctx, fmt_ctx); |
| 2481 | CHECK_END; |
| 2482 | } |
| 2483 | |
| 2484 | if (do_show_streams) { |
| 2485 | ret = show_streams(wctx, fmt_ctx); |
| 2486 | CHECK_END; |
| 2487 | } |
| 2488 | if (do_show_chapters) { |
| 2489 | ret = show_chapters(wctx, fmt_ctx); |
| 2490 | CHECK_END; |
| 2491 | } |
| 2492 | if (do_show_format) { |
| 2493 | ret = show_format(wctx, fmt_ctx); |
| 2494 | CHECK_END; |
| 2495 | } |
| 2496 | |
| 2497 | end: |
| 2498 | close_input_file(&fmt_ctx); |
| 2499 | av_freep(&nb_streams_frames); |
| 2500 | av_freep(&nb_streams_packets); |
| 2501 | av_freep(&selected_streams); |
| 2502 | |
| 2503 | return ret; |
| 2504 | } |
| 2505 | |
| 2506 | static void show_usage(void) |
| 2507 | { |
| 2508 | av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n"); |
| 2509 | av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name); |
| 2510 | av_log(NULL, AV_LOG_INFO, "\n"); |
| 2511 | } |
| 2512 | |
| 2513 | static void ffprobe_show_program_version(WriterContext *w) |
| 2514 | { |
| 2515 | AVBPrint pbuf; |
| 2516 | av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED); |
| 2517 | |
| 2518 | writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION); |
| 2519 | print_str("version", FFMPEG_VERSION); |
| 2520 | print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers", |
| 2521 | program_birth_year, CONFIG_THIS_YEAR); |
| 2522 | print_str("build_date", __DATE__); |
| 2523 | print_str("build_time", __TIME__); |
| 2524 | print_str("compiler_ident", CC_IDENT); |
| 2525 | print_str("configuration", FFMPEG_CONFIGURATION); |
| 2526 | writer_print_section_footer(w); |
| 2527 | |
| 2528 | av_bprint_finalize(&pbuf, NULL); |
| 2529 | } |
| 2530 | |
| 2531 | #define SHOW_LIB_VERSION(libname, LIBNAME) \ |
| 2532 | do { \ |
| 2533 | if (CONFIG_##LIBNAME) { \ |
| 2534 | unsigned int version = libname##_version(); \ |
| 2535 | writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \ |
| 2536 | print_str("name", "lib" #libname); \ |
| 2537 | print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \ |
| 2538 | print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \ |
| 2539 | print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \ |
| 2540 | print_int("version", version); \ |
| 2541 | print_str("ident", LIB##LIBNAME##_IDENT); \ |
| 2542 | writer_print_section_footer(w); \ |
| 2543 | } \ |
| 2544 | } while (0) |
| 2545 | |
| 2546 | static void ffprobe_show_library_versions(WriterContext *w) |
| 2547 | { |
| 2548 | writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS); |
| 2549 | SHOW_LIB_VERSION(avutil, AVUTIL); |
| 2550 | SHOW_LIB_VERSION(avcodec, AVCODEC); |
| 2551 | SHOW_LIB_VERSION(avformat, AVFORMAT); |
| 2552 | SHOW_LIB_VERSION(avdevice, AVDEVICE); |
| 2553 | SHOW_LIB_VERSION(avfilter, AVFILTER); |
| 2554 | SHOW_LIB_VERSION(swscale, SWSCALE); |
| 2555 | SHOW_LIB_VERSION(swresample, SWRESAMPLE); |
| 2556 | SHOW_LIB_VERSION(postproc, POSTPROC); |
| 2557 | writer_print_section_footer(w); |
| 2558 | } |
| 2559 | |
| 2560 | static int opt_format(void *optctx, const char *opt, const char *arg) |
| 2561 | { |
| 2562 | iformat = av_find_input_format(arg); |
| 2563 | if (!iformat) { |
| 2564 | av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg); |
| 2565 | return AVERROR(EINVAL); |
| 2566 | } |
| 2567 | return 0; |
| 2568 | } |
| 2569 | |
| 2570 | static inline void mark_section_show_entries(SectionID section_id, |
| 2571 | int show_all_entries, AVDictionary *entries) |
| 2572 | { |
| 2573 | struct section *section = §ions[section_id]; |
| 2574 | |
| 2575 | section->show_all_entries = show_all_entries; |
| 2576 | if (show_all_entries) { |
| 2577 | SectionID *id; |
| 2578 | for (id = section->children_ids; *id != -1; id++) |
| 2579 | mark_section_show_entries(*id, show_all_entries, entries); |
| 2580 | } else { |
| 2581 | av_dict_copy(§ion->entries_to_show, entries, 0); |
| 2582 | } |
| 2583 | } |
| 2584 | |
| 2585 | static int match_section(const char *section_name, |
| 2586 | int show_all_entries, AVDictionary *entries) |
| 2587 | { |
| 2588 | int i, ret = 0; |
| 2589 | |
| 2590 | for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) { |
| 2591 | const struct section *section = §ions[i]; |
| 2592 | if (!strcmp(section_name, section->name) || |
| 2593 | (section->unique_name && !strcmp(section_name, section->unique_name))) { |
| 2594 | av_log(NULL, AV_LOG_DEBUG, |
| 2595 | "'%s' matches section with unique name '%s'\n", section_name, |
| 2596 | (char *)av_x_if_null(section->unique_name, section->name)); |
| 2597 | ret++; |
| 2598 | mark_section_show_entries(section->id, show_all_entries, entries); |
| 2599 | } |
| 2600 | } |
| 2601 | return ret; |
| 2602 | } |
| 2603 | |
| 2604 | static int opt_show_entries(void *optctx, const char *opt, const char *arg) |
| 2605 | { |
| 2606 | const char *p = arg; |
| 2607 | int ret = 0; |
| 2608 | |
| 2609 | while (*p) { |
| 2610 | AVDictionary *entries = NULL; |
| 2611 | char *section_name = av_get_token(&p, "=:"); |
| 2612 | int show_all_entries = 0; |
| 2613 | |
| 2614 | if (!section_name) { |
| 2615 | av_log(NULL, AV_LOG_ERROR, |
| 2616 | "Missing section name for option '%s'\n", opt); |
| 2617 | return AVERROR(EINVAL); |
| 2618 | } |
| 2619 | |
| 2620 | if (*p == '=') { |
| 2621 | p++; |
| 2622 | while (*p && *p != ':') { |
| 2623 | char *entry = av_get_token(&p, ",:"); |
| 2624 | if (!entry) |
| 2625 | break; |
| 2626 | av_log(NULL, AV_LOG_VERBOSE, |
| 2627 | "Adding '%s' to the entries to show in section '%s'\n", |
| 2628 | entry, section_name); |
| 2629 | av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY); |
| 2630 | if (*p == ',') |
| 2631 | p++; |
| 2632 | } |
| 2633 | } else { |
| 2634 | show_all_entries = 1; |
| 2635 | } |
| 2636 | |
| 2637 | ret = match_section(section_name, show_all_entries, entries); |
| 2638 | if (ret == 0) { |
| 2639 | av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name); |
| 2640 | ret = AVERROR(EINVAL); |
| 2641 | } |
| 2642 | av_dict_free(&entries); |
| 2643 | av_free(section_name); |
| 2644 | |
| 2645 | if (ret <= 0) |
| 2646 | break; |
| 2647 | if (*p) |
| 2648 | p++; |
| 2649 | } |
| 2650 | |
| 2651 | return ret; |
| 2652 | } |
| 2653 | |
| 2654 | static int opt_show_format_entry(void *optctx, const char *opt, const char *arg) |
| 2655 | { |
| 2656 | char *buf = av_asprintf("format=%s", arg); |
| 2657 | int ret; |
| 2658 | |
| 2659 | av_log(NULL, AV_LOG_WARNING, |
| 2660 | "Option '%s' is deprecated, use '-show_entries format=%s' instead\n", |
| 2661 | opt, arg); |
| 2662 | ret = opt_show_entries(optctx, opt, buf); |
| 2663 | av_free(buf); |
| 2664 | return ret; |
| 2665 | } |
| 2666 | |
| 2667 | static void opt_input_file(void *optctx, const char *arg) |
| 2668 | { |
| 2669 | if (input_filename) { |
| 2670 | av_log(NULL, AV_LOG_ERROR, |
| 2671 | "Argument '%s' provided as input filename, but '%s' was already specified.\n", |
| 2672 | arg, input_filename); |
| 2673 | exit_program(1); |
| 2674 | } |
| 2675 | if (!strcmp(arg, "-")) |
| 2676 | arg = "pipe:"; |
| 2677 | input_filename = arg; |
| 2678 | } |
| 2679 | |
| 2680 | static int opt_input_file_i(void *optctx, const char *opt, const char *arg) |
| 2681 | { |
| 2682 | opt_input_file(optctx, arg); |
| 2683 | return 0; |
| 2684 | } |
| 2685 | |
| 2686 | void show_help_default(const char *opt, const char *arg) |
| 2687 | { |
| 2688 | av_log_set_callback(log_callback_help); |
| 2689 | show_usage(); |
| 2690 | show_help_options(options, "Main options:", 0, 0, 0); |
| 2691 | printf("\n"); |
| 2692 | |
| 2693 | show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM); |
| 2694 | } |
| 2695 | |
| 2696 | /** |
| 2697 | * Parse interval specification, according to the format: |
| 2698 | * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]] |
| 2699 | * INTERVALS ::= INTERVAL[,INTERVALS] |
| 2700 | */ |
| 2701 | static int parse_read_interval(const char *interval_spec, |
| 2702 | ReadInterval *interval) |
| 2703 | { |
| 2704 | int ret = 0; |
| 2705 | char *next, *p, *spec = av_strdup(interval_spec); |
| 2706 | if (!spec) |
| 2707 | return AVERROR(ENOMEM); |
| 2708 | |
| 2709 | if (!*spec) { |
| 2710 | av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n"); |
| 2711 | ret = AVERROR(EINVAL); |
| 2712 | goto end; |
| 2713 | } |
| 2714 | |
| 2715 | p = spec; |
| 2716 | next = strchr(spec, '%'); |
| 2717 | if (next) |
| 2718 | *next++ = 0; |
| 2719 | |
| 2720 | /* parse first part */ |
| 2721 | if (*p) { |
| 2722 | interval->has_start = 1; |
| 2723 | |
| 2724 | if (*p == '+') { |
| 2725 | interval->start_is_offset = 1; |
| 2726 | p++; |
| 2727 | } else { |
| 2728 | interval->start_is_offset = 0; |
| 2729 | } |
| 2730 | |
| 2731 | ret = av_parse_time(&interval->start, p, 1); |
| 2732 | if (ret < 0) { |
| 2733 | av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p); |
| 2734 | goto end; |
| 2735 | } |
| 2736 | } else { |
| 2737 | interval->has_start = 0; |
| 2738 | } |
| 2739 | |
| 2740 | /* parse second part */ |
| 2741 | p = next; |
| 2742 | if (p && *p) { |
| 2743 | int64_t us; |
| 2744 | interval->has_end = 1; |
| 2745 | |
| 2746 | if (*p == '+') { |
| 2747 | interval->end_is_offset = 1; |
| 2748 | p++; |
| 2749 | } else { |
| 2750 | interval->end_is_offset = 0; |
| 2751 | } |
| 2752 | |
| 2753 | if (interval->end_is_offset && *p == '#') { |
| 2754 | long long int lli; |
| 2755 | char *tail; |
| 2756 | interval->duration_frames = 1; |
| 2757 | p++; |
| 2758 | lli = strtoll(p, &tail, 10); |
| 2759 | if (*tail || lli < 0) { |
| 2760 | av_log(NULL, AV_LOG_ERROR, |
| 2761 | "Invalid or negative value '%s' for duration number of frames\n", p); |
| 2762 | goto end; |
| 2763 | } |
| 2764 | interval->end = lli; |
| 2765 | } else { |
| 2766 | ret = av_parse_time(&us, p, 1); |
| 2767 | if (ret < 0) { |
| 2768 | av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p); |
| 2769 | goto end; |
| 2770 | } |
| 2771 | interval->end = us; |
| 2772 | } |
| 2773 | } else { |
| 2774 | interval->has_end = 0; |
| 2775 | } |
| 2776 | |
| 2777 | end: |
| 2778 | av_free(spec); |
| 2779 | return ret; |
| 2780 | } |
| 2781 | |
| 2782 | static int parse_read_intervals(const char *intervals_spec) |
| 2783 | { |
| 2784 | int ret, n, i; |
| 2785 | char *p, *spec = av_strdup(intervals_spec); |
| 2786 | if (!spec) |
| 2787 | return AVERROR(ENOMEM); |
| 2788 | |
| 2789 | /* preparse specification, get number of intervals */ |
| 2790 | for (n = 0, p = spec; *p; p++) |
| 2791 | if (*p == ',') |
| 2792 | n++; |
| 2793 | n++; |
| 2794 | |
| 2795 | read_intervals = av_malloc_array(n, sizeof(*read_intervals)); |
| 2796 | if (!read_intervals) { |
| 2797 | ret = AVERROR(ENOMEM); |
| 2798 | goto end; |
| 2799 | } |
| 2800 | read_intervals_nb = n; |
| 2801 | |
| 2802 | /* parse intervals */ |
| 2803 | p = spec; |
| 2804 | for (i = 0; p; i++) { |
| 2805 | char *next; |
| 2806 | |
| 2807 | av_assert0(i < read_intervals_nb); |
| 2808 | next = strchr(p, ','); |
| 2809 | if (next) |
| 2810 | *next++ = 0; |
| 2811 | |
| 2812 | read_intervals[i].id = i; |
| 2813 | ret = parse_read_interval(p, &read_intervals[i]); |
| 2814 | if (ret < 0) { |
| 2815 | av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n", |
| 2816 | i, p); |
| 2817 | goto end; |
| 2818 | } |
| 2819 | av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval "); |
| 2820 | log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE); |
| 2821 | p = next; |
| 2822 | } |
| 2823 | av_assert0(i == read_intervals_nb); |
| 2824 | |
| 2825 | end: |
| 2826 | av_free(spec); |
| 2827 | return ret; |
| 2828 | } |
| 2829 | |
| 2830 | static int opt_read_intervals(void *optctx, const char *opt, const char *arg) |
| 2831 | { |
| 2832 | return parse_read_intervals(arg); |
| 2833 | } |
| 2834 | |
| 2835 | static int opt_pretty(void *optctx, const char *opt, const char *arg) |
| 2836 | { |
| 2837 | show_value_unit = 1; |
| 2838 | use_value_prefix = 1; |
| 2839 | use_byte_value_binary_prefix = 1; |
| 2840 | use_value_sexagesimal_format = 1; |
| 2841 | return 0; |
| 2842 | } |
| 2843 | |
| 2844 | static void print_section(SectionID id, int level) |
| 2845 | { |
| 2846 | const SectionID *pid; |
| 2847 | const struct section *section = §ions[id]; |
| 2848 | printf("%c%c%c", |
| 2849 | section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.', |
| 2850 | section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.', |
| 2851 | section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.'); |
| 2852 | printf("%*c %s", level * 4, ' ', section->name); |
| 2853 | if (section->unique_name) |
| 2854 | printf("/%s", section->unique_name); |
| 2855 | printf("\n"); |
| 2856 | |
| 2857 | for (pid = section->children_ids; *pid != -1; pid++) |
| 2858 | print_section(*pid, level+1); |
| 2859 | } |
| 2860 | |
| 2861 | static int opt_sections(void *optctx, const char *opt, const char *arg) |
| 2862 | { |
| 2863 | printf("Sections:\n" |
| 2864 | "W.. = Section is a wrapper (contains other sections, no local entries)\n" |
| 2865 | ".A. = Section contains an array of elements of the same type\n" |
| 2866 | "..V = Section may contain a variable number of fields with variable keys\n" |
| 2867 | "FLAGS NAME/UNIQUE_NAME\n" |
| 2868 | "---\n"); |
| 2869 | print_section(SECTION_ID_ROOT, 0); |
| 2870 | return 0; |
| 2871 | } |
| 2872 | |
| 2873 | static int opt_show_versions(const char *opt, const char *arg) |
| 2874 | { |
| 2875 | mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL); |
| 2876 | mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL); |
| 2877 | return 0; |
| 2878 | } |
| 2879 | |
| 2880 | #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \ |
| 2881 | static int opt_show_##section(const char *opt, const char *arg) \ |
| 2882 | { \ |
| 2883 | mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \ |
| 2884 | return 0; \ |
| 2885 | } |
| 2886 | |
| 2887 | DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS); |
| 2888 | DEFINE_OPT_SHOW_SECTION(error, ERROR); |
| 2889 | DEFINE_OPT_SHOW_SECTION(format, FORMAT); |
| 2890 | DEFINE_OPT_SHOW_SECTION(frames, FRAMES); |
| 2891 | DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS); |
| 2892 | DEFINE_OPT_SHOW_SECTION(packets, PACKETS); |
| 2893 | DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION); |
| 2894 | DEFINE_OPT_SHOW_SECTION(streams, STREAMS); |
| 2895 | DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS); |
| 2896 | |
| 2897 | static const OptionDef real_options[] = { |
| 2898 | #include "cmdutils_common_opts.h" |
| 2899 | { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" }, |
| 2900 | { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" }, |
| 2901 | { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" }, |
| 2902 | { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix}, |
| 2903 | "use binary prefixes for byte units" }, |
| 2904 | { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format}, |
| 2905 | "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" }, |
| 2906 | { "pretty", 0, {.func_arg = opt_pretty}, |
| 2907 | "prettify the format of displayed values, make it more human readable" }, |
| 2908 | { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format}, |
| 2909 | "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" }, |
| 2910 | { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" }, |
| 2911 | { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" }, |
| 2912 | { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" }, |
| 2913 | { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" }, |
| 2914 | { "show_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" }, |
| 2915 | { "show_error", 0, {(void*)&opt_show_error}, "show probing error" }, |
| 2916 | { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" }, |
| 2917 | { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" }, |
| 2918 | { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry}, |
| 2919 | "show a particular entry from the format/container info", "entry" }, |
| 2920 | { "show_entries", HAS_ARG, {.func_arg = opt_show_entries}, |
| 2921 | "show a set of specified entries", "entry_list" }, |
| 2922 | { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" }, |
| 2923 | { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" }, |
| 2924 | { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" }, |
| 2925 | { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" }, |
| 2926 | { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" }, |
| 2927 | { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" }, |
| 2928 | { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" }, |
| 2929 | { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" }, |
| 2930 | { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" }, |
| 2931 | { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" }, |
| 2932 | { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" }, |
| 2933 | { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" }, |
| 2934 | { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" }, |
| 2935 | { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" }, |
| 2936 | { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"}, |
| 2937 | { NULL, }, |
| 2938 | }; |
| 2939 | |
| 2940 | static inline int check_section_show_entries(int section_id) |
| 2941 | { |
| 2942 | int *id; |
| 2943 | struct section *section = §ions[section_id]; |
| 2944 | if (sections[section_id].show_all_entries || sections[section_id].entries_to_show) |
| 2945 | return 1; |
| 2946 | for (id = section->children_ids; *id != -1; id++) |
| 2947 | if (check_section_show_entries(*id)) |
| 2948 | return 1; |
| 2949 | return 0; |
| 2950 | } |
| 2951 | |
| 2952 | #define SET_DO_SHOW(id, varname) do { \ |
| 2953 | if (check_section_show_entries(SECTION_ID_##id)) \ |
| 2954 | do_show_##varname = 1; \ |
| 2955 | } while (0) |
| 2956 | |
| 2957 | int main(int argc, char **argv) |
| 2958 | { |
| 2959 | const Writer *w; |
| 2960 | WriterContext *wctx; |
| 2961 | char *buf; |
| 2962 | char *w_name = NULL, *w_args = NULL; |
| 2963 | int ret, i; |
| 2964 | |
| 2965 | av_log_set_flags(AV_LOG_SKIP_REPEATED); |
| 2966 | register_exit(ffprobe_cleanup); |
| 2967 | |
| 2968 | options = real_options; |
| 2969 | parse_loglevel(argc, argv, options); |
| 2970 | av_register_all(); |
| 2971 | avformat_network_init(); |
| 2972 | init_opts(); |
| 2973 | #if CONFIG_AVDEVICE |
| 2974 | avdevice_register_all(); |
| 2975 | #endif |
| 2976 | |
| 2977 | show_banner(argc, argv, options); |
| 2978 | parse_options(NULL, argc, argv, options, opt_input_file); |
| 2979 | |
| 2980 | /* mark things to show, based on -show_entries */ |
| 2981 | SET_DO_SHOW(CHAPTERS, chapters); |
| 2982 | SET_DO_SHOW(ERROR, error); |
| 2983 | SET_DO_SHOW(FORMAT, format); |
| 2984 | SET_DO_SHOW(FRAMES, frames); |
| 2985 | SET_DO_SHOW(LIBRARY_VERSIONS, library_versions); |
| 2986 | SET_DO_SHOW(PACKETS, packets); |
| 2987 | SET_DO_SHOW(PROGRAM_VERSION, program_version); |
| 2988 | SET_DO_SHOW(PROGRAMS, programs); |
| 2989 | SET_DO_SHOW(STREAMS, streams); |
| 2990 | SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition); |
| 2991 | SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition); |
| 2992 | |
| 2993 | SET_DO_SHOW(CHAPTER_TAGS, chapter_tags); |
| 2994 | SET_DO_SHOW(FORMAT_TAGS, format_tags); |
| 2995 | SET_DO_SHOW(FRAME_TAGS, frame_tags); |
| 2996 | SET_DO_SHOW(PROGRAM_TAGS, program_tags); |
| 2997 | SET_DO_SHOW(STREAM_TAGS, stream_tags); |
| 2998 | |
| 2999 | if (do_bitexact && (do_show_program_version || do_show_library_versions)) { |
| 3000 | av_log(NULL, AV_LOG_ERROR, |
| 3001 | "-bitexact and -show_program_version or -show_library_versions " |
| 3002 | "options are incompatible\n"); |
| 3003 | ret = AVERROR(EINVAL); |
| 3004 | goto end; |
| 3005 | } |
| 3006 | |
| 3007 | writer_register_all(); |
| 3008 | |
| 3009 | if (!print_format) |
| 3010 | print_format = av_strdup("default"); |
| 3011 | if (!print_format) { |
| 3012 | ret = AVERROR(ENOMEM); |
| 3013 | goto end; |
| 3014 | } |
| 3015 | w_name = av_strtok(print_format, "=", &buf); |
| 3016 | w_args = buf; |
| 3017 | |
| 3018 | if (show_data_hash) { |
| 3019 | if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) { |
| 3020 | if (ret == AVERROR(EINVAL)) { |
| 3021 | const char *n; |
| 3022 | av_log(NULL, AV_LOG_ERROR, |
| 3023 | "Unknown hash algorithm '%s'\nKnown algorithms:", |
| 3024 | show_data_hash); |
| 3025 | for (i = 0; (n = av_hash_names(i)); i++) |
| 3026 | av_log(NULL, AV_LOG_ERROR, " %s", n); |
| 3027 | av_log(NULL, AV_LOG_ERROR, "\n"); |
| 3028 | } |
| 3029 | goto end; |
| 3030 | } |
| 3031 | } |
| 3032 | |
| 3033 | w = writer_get_by_name(w_name); |
| 3034 | if (!w) { |
| 3035 | av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name); |
| 3036 | ret = AVERROR(EINVAL); |
| 3037 | goto end; |
| 3038 | } |
| 3039 | |
| 3040 | if ((ret = writer_open(&wctx, w, w_args, |
| 3041 | sections, FF_ARRAY_ELEMS(sections))) >= 0) { |
| 3042 | if (w == &xml_writer) |
| 3043 | wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES; |
| 3044 | |
| 3045 | writer_print_section_header(wctx, SECTION_ID_ROOT); |
| 3046 | |
| 3047 | if (do_show_program_version) |
| 3048 | ffprobe_show_program_version(wctx); |
| 3049 | if (do_show_library_versions) |
| 3050 | ffprobe_show_library_versions(wctx); |
| 3051 | |
| 3052 | if (!input_filename && |
| 3053 | ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) || |
| 3054 | (!do_show_program_version && !do_show_library_versions))) { |
| 3055 | show_usage(); |
| 3056 | av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n"); |
| 3057 | av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name); |
| 3058 | ret = AVERROR(EINVAL); |
| 3059 | } else if (input_filename) { |
| 3060 | ret = probe_file(wctx, input_filename); |
| 3061 | if (ret < 0 && do_show_error) |
| 3062 | show_error(wctx, ret); |
| 3063 | } |
| 3064 | |
| 3065 | writer_print_section_footer(wctx); |
| 3066 | writer_close(&wctx); |
| 3067 | } |
| 3068 | |
| 3069 | end: |
| 3070 | av_freep(&print_format); |
| 3071 | av_freep(&read_intervals); |
| 3072 | av_hash_freep(&hash); |
| 3073 | |
| 3074 | uninit_opts(); |
| 3075 | for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) |
| 3076 | av_dict_free(&(sections[i].entries_to_show)); |
| 3077 | |
| 3078 | avformat_network_deinit(); |
| 3079 | |
| 3080 | return ret < 0; |
| 3081 | } |