| 1 | /* |
| 2 | * Flash Compatible Streaming Format common header. |
| 3 | * Copyright (c) 2000 Fabrice Bellard |
| 4 | * Copyright (c) 2003 Tinic Uro |
| 5 | * |
| 6 | * This file is part of FFmpeg. |
| 7 | * |
| 8 | * FFmpeg is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2.1 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * FFmpeg is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with FFmpeg; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | #ifndef AVFORMAT_SWF_H |
| 24 | #define AVFORMAT_SWF_H |
| 25 | |
| 26 | #include "config.h" |
| 27 | |
| 28 | #if CONFIG_ZLIB |
| 29 | #include <zlib.h> |
| 30 | #endif |
| 31 | |
| 32 | #include "libavutil/fifo.h" |
| 33 | #include "avformat.h" |
| 34 | #include "avio.h" |
| 35 | #include "internal.h" |
| 36 | |
| 37 | /* should have a generic way to indicate probable size */ |
| 38 | #define DUMMY_FILE_SIZE (100 * 1024 * 1024) |
| 39 | #define DUMMY_DURATION 600 /* in seconds */ |
| 40 | |
| 41 | enum { |
| 42 | TAG_END = 0, |
| 43 | TAG_SHOWFRAME = 1, |
| 44 | TAG_DEFINESHAPE = 2, |
| 45 | TAG_FREECHARACTER = 3, |
| 46 | TAG_PLACEOBJECT = 4, |
| 47 | TAG_REMOVEOBJECT = 5, |
| 48 | TAG_DEFINEBITS = 6, |
| 49 | TAG_DEFINEBUTTON = 7, |
| 50 | TAG_JPEGTABLES = 8, |
| 51 | TAG_SETBACKGROUNDCOLOR = 9, |
| 52 | TAG_DEFINEFONT = 10, |
| 53 | TAG_DEFINETEXT = 11, |
| 54 | TAG_DOACTION = 12, |
| 55 | TAG_DEFINEFONTINFO = 13, |
| 56 | TAG_DEFINESOUND = 14, |
| 57 | TAG_STARTSOUND = 15, |
| 58 | TAG_DEFINEBUTTONSOUND = 17, |
| 59 | TAG_STREAMHEAD = 18, |
| 60 | TAG_STREAMBLOCK = 19, |
| 61 | TAG_DEFINEBITSLOSSLESS = 20, |
| 62 | TAG_JPEG2 = 21, |
| 63 | TAG_DEFINESHAPE2 = 22, |
| 64 | TAG_DEFINEBUTTONCXFORM = 23, |
| 65 | TAG_PROTECT = 24, |
| 66 | TAG_PLACEOBJECT2 = 26, |
| 67 | TAG_REMOVEOBJECT2 = 28, |
| 68 | TAG_DEFINESHAPE3 = 32, |
| 69 | TAG_DEFINETEXT2 = 33, |
| 70 | TAG_DEFINEBUTTON2 = 34, |
| 71 | TAG_DEFINEBITSJPEG3 = 35, |
| 72 | TAG_DEFINEBITSLOSSLESS2 = 36, |
| 73 | TAG_DEFINEEDITTEXT = 37, |
| 74 | TAG_DEFINESPRITE = 39, |
| 75 | TAG_FRAMELABEL = 43, |
| 76 | TAG_STREAMHEAD2 = 45, |
| 77 | TAG_DEFINEMORPHSHAPE = 46, |
| 78 | TAG_DEFINEFONT2 = 48, |
| 79 | TAG_EXPORTASSETS = 56, |
| 80 | TAG_IMPORTASSETS = 57, |
| 81 | TAG_ENABLEDEBUGGER = 58, |
| 82 | TAG_DOINITACTION = 59, |
| 83 | TAG_VIDEOSTREAM = 60, |
| 84 | TAG_VIDEOFRAME = 61, |
| 85 | TAG_DEFINEFONTINFO2 = 62, |
| 86 | TAG_ENABLEDEBUGGER2 = 64, |
| 87 | TAG_SCRIPTLIMITS = 65, |
| 88 | TAG_SETTABINDEX = 66, |
| 89 | TAG_FILEATTRIBUTES = 69, |
| 90 | TAG_PLACEOBJECT3 = 70, |
| 91 | TAG_IMPORTASSETS2 = 71, |
| 92 | TAG_DEFINEFONTALIGNZONES = 73, |
| 93 | TAG_CSMTEXTSETTINGS = 74, |
| 94 | TAG_DEFINEFONT3 = 75, |
| 95 | TAG_SYMBOLCLASS = 76, |
| 96 | TAG_METADATA = 77, |
| 97 | TAG_DEFINESCALINGGRID = 78, |
| 98 | TAG_DOABC = 82, |
| 99 | TAG_DEFINESHAPE4 = 83, |
| 100 | TAG_DEFINEMORPHSHAPE2 = 84, |
| 101 | TAG_DEFINESCENEANDFRAMELABELDATA = 86, |
| 102 | TAG_DEFINEBINARYDATA = 87, |
| 103 | TAG_DEFINEFONTNAME = 88, |
| 104 | TAG_STARTSOUND2 = 89, |
| 105 | TAG_DEFINEBITSJPEG4 = 90, |
| 106 | TAG_DEFINEFONT4 = 91, |
| 107 | }; |
| 108 | |
| 109 | #define TAG_LONG 0x100 |
| 110 | |
| 111 | /* flags for shape definition */ |
| 112 | #define FLAG_MOVETO 0x01 |
| 113 | #define FLAG_SETFILL0 0x02 |
| 114 | #define FLAG_SETFILL1 0x04 |
| 115 | |
| 116 | #define AUDIO_FIFO_SIZE 65536 |
| 117 | |
| 118 | /* character id used */ |
| 119 | #define BITMAP_ID 0 |
| 120 | #define VIDEO_ID 0 |
| 121 | #define SHAPE_ID 1 |
| 122 | |
| 123 | typedef struct SWFContext { |
| 124 | int64_t duration_pos; |
| 125 | int64_t tag_pos; |
| 126 | int64_t vframes_pos; |
| 127 | int samples_per_frame; |
| 128 | int sound_samples; |
| 129 | int swf_frame_number; |
| 130 | int video_frame_number; |
| 131 | int frame_rate; |
| 132 | int tag; |
| 133 | AVFifoBuffer *audio_fifo; |
| 134 | AVCodecContext *audio_enc, *video_enc; |
| 135 | AVStream *video_st; |
| 136 | #if CONFIG_ZLIB |
| 137 | AVIOContext *zpb; |
| 138 | #define ZBUF_SIZE 4096 |
| 139 | uint8_t *zbuf_in; |
| 140 | uint8_t *zbuf_out; |
| 141 | z_stream zstream; |
| 142 | #endif |
| 143 | } SWFContext; |
| 144 | |
| 145 | extern const AVCodecTag ff_swf_codec_tags[]; |
| 146 | |
| 147 | #endif /* AVFORMAT_SWF_H */ |