Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / libvpxenc.c
CommitLineData
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1/*
2 * Copyright (c) 2010, Google, Inc.
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 * VP8 encoder support via libvpx
24 */
25
26#define VPX_DISABLE_CTRL_TYPECHECKS 1
27#define VPX_CODEC_DISABLE_COMPAT 1
28#include <vpx/vpx_encoder.h>
29#include <vpx/vp8cx.h>
30
31#include "avcodec.h"
32#include "internal.h"
33#include "libavutil/avassert.h"
34#include "libvpx.h"
35#include "libavutil/base64.h"
36#include "libavutil/common.h"
37#include "libavutil/intreadwrite.h"
38#include "libavutil/mathematics.h"
39#include "libavutil/opt.h"
40
41/**
42 * Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
43 * One encoded frame returned from the library.
44 */
45struct FrameListData {
46 void *buf; /**< compressed data buffer */
47 size_t sz; /**< length of compressed data */
48 void *buf_alpha;
49 size_t sz_alpha;
50 int64_t pts; /**< time stamp to show frame
51 (in timebase units) */
52 unsigned long duration; /**< duration to show frame
53 (in timebase units) */
54 uint32_t flags; /**< flags for this frame */
55 uint64_t sse[4];
56 int have_sse; /**< true if we have pending sse[] */
57 uint64_t frame_number;
58 struct FrameListData *next;
59};
60
61typedef struct VP8EncoderContext {
62 AVClass *class;
63 struct vpx_codec_ctx encoder;
64 struct vpx_image rawimg;
65 struct vpx_codec_ctx encoder_alpha;
66 struct vpx_image rawimg_alpha;
67 uint8_t is_alpha;
68 struct vpx_fixed_buf twopass_stats;
69 int deadline; //i.e., RT/GOOD/BEST
70 uint64_t sse[4];
71 int have_sse; /**< true if we have pending sse[] */
72 uint64_t frame_number;
73 struct FrameListData *coded_frame_list;
74
75 int cpu_used;
76 /**
77 * VP8 specific flags, see VP8F_* below.
78 */
79 int flags;
80#define VP8F_ERROR_RESILIENT 0x00000001 ///< Enable measures appropriate for streaming over lossy links
81#define VP8F_AUTO_ALT_REF 0x00000002 ///< Enable automatic alternate reference frame generation
82
83 int auto_alt_ref;
84
85 int arnr_max_frames;
86 int arnr_strength;
87 int arnr_type;
88
89 int lag_in_frames;
90 int error_resilient;
91 int crf;
f6fa7814 92 int static_thresh;
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93 int max_intra_rate;
94
95 // VP9-only
96 int lossless;
97 int tile_columns;
98 int tile_rows;
99 int frame_parallel;
100 int aq_mode;
101} VP8Context;
102
103/** String mappings for enum vp8e_enc_control_id */
104static const char *const ctlidstr[] = {
105 [VP8E_UPD_ENTROPY] = "VP8E_UPD_ENTROPY",
106 [VP8E_UPD_REFERENCE] = "VP8E_UPD_REFERENCE",
107 [VP8E_USE_REFERENCE] = "VP8E_USE_REFERENCE",
108 [VP8E_SET_ROI_MAP] = "VP8E_SET_ROI_MAP",
109 [VP8E_SET_ACTIVEMAP] = "VP8E_SET_ACTIVEMAP",
110 [VP8E_SET_SCALEMODE] = "VP8E_SET_SCALEMODE",
111 [VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED",
112 [VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF",
113 [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
114 [VP8E_SET_SHARPNESS] = "VP8E_SET_SHARPNESS",
115 [VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD",
116 [VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS",
117 [VP8E_GET_LAST_QUANTIZER] = "VP8E_GET_LAST_QUANTIZER",
118 [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
119 [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
120 [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
121 [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
122 [VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
123#if CONFIG_LIBVPX_VP9_ENCODER
124 [VP9E_SET_LOSSLESS] = "VP9E_SET_LOSSLESS",
125 [VP9E_SET_TILE_COLUMNS] = "VP9E_SET_TILE_COLUMNS",
126 [VP9E_SET_TILE_ROWS] = "VP9E_SET_TILE_ROWS",
127 [VP9E_SET_FRAME_PARALLEL_DECODING] = "VP9E_SET_FRAME_PARALLEL_DECODING",
128 [VP9E_SET_AQ_MODE] = "VP9E_SET_AQ_MODE",
129#endif
130};
131
132static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
133{
134 VP8Context *ctx = avctx->priv_data;
135 const char *error = vpx_codec_error(&ctx->encoder);
136 const char *detail = vpx_codec_error_detail(&ctx->encoder);
137
138 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
139 if (detail)
140 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
141}
142
143static av_cold void dump_enc_cfg(AVCodecContext *avctx,
144 const struct vpx_codec_enc_cfg *cfg)
145{
146 int width = -30;
147 int level = AV_LOG_DEBUG;
148
149 av_log(avctx, level, "vpx_codec_enc_cfg\n");
150 av_log(avctx, level, "generic settings\n"
151 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
152 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
153 width, "g_usage:", cfg->g_usage,
154 width, "g_threads:", cfg->g_threads,
155 width, "g_profile:", cfg->g_profile,
156 width, "g_w:", cfg->g_w,
157 width, "g_h:", cfg->g_h,
158 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
159 width, "g_error_resilient:", cfg->g_error_resilient,
160 width, "g_pass:", cfg->g_pass,
161 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
162 av_log(avctx, level, "rate control settings\n"
163 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
164 " %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
165 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
166 width, "rc_resize_allowed:", cfg->rc_resize_allowed,
167 width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh,
168 width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh,
169 width, "rc_end_usage:", cfg->rc_end_usage,
170 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
171 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
172 av_log(avctx, level, "quantizer settings\n"
173 " %*s%u\n %*s%u\n",
174 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
175 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
176 av_log(avctx, level, "bitrate tolerance\n"
177 " %*s%u\n %*s%u\n",
178 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
179 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
180 av_log(avctx, level, "decoder buffer model\n"
181 " %*s%u\n %*s%u\n %*s%u\n",
182 width, "rc_buf_sz:", cfg->rc_buf_sz,
183 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
184 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
185 av_log(avctx, level, "2 pass rate control settings\n"
186 " %*s%u\n %*s%u\n %*s%u\n",
187 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
188 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
189 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
190 av_log(avctx, level, "keyframing settings\n"
191 " %*s%d\n %*s%u\n %*s%u\n",
192 width, "kf_mode:", cfg->kf_mode,
193 width, "kf_min_dist:", cfg->kf_min_dist,
194 width, "kf_max_dist:", cfg->kf_max_dist);
195 av_log(avctx, level, "\n");
196}
197
198static void coded_frame_add(void *list, struct FrameListData *cx_frame)
199{
200 struct FrameListData **p = list;
201
202 while (*p)
203 p = &(*p)->next;
204 *p = cx_frame;
205 cx_frame->next = NULL;
206}
207
208static av_cold void free_coded_frame(struct FrameListData *cx_frame)
209{
210 av_freep(&cx_frame->buf);
211 if (cx_frame->buf_alpha)
212 av_freep(&cx_frame->buf_alpha);
213 av_freep(&cx_frame);
214}
215
216static av_cold void free_frame_list(struct FrameListData *list)
217{
218 struct FrameListData *p = list;
219
220 while (p) {
221 list = list->next;
222 free_coded_frame(p);
223 p = list;
224 }
225}
226
227static av_cold int codecctl_int(AVCodecContext *avctx,
228 enum vp8e_enc_control_id id, int val)
229{
230 VP8Context *ctx = avctx->priv_data;
231 char buf[80];
232 int width = -30;
233 int res;
234
235 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
236 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
237
238 res = vpx_codec_control(&ctx->encoder, id, val);
239 if (res != VPX_CODEC_OK) {
240 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
241 ctlidstr[id]);
242 log_encoder_error(avctx, buf);
243 }
244
245 return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
246}
247
248static av_cold int vp8_free(AVCodecContext *avctx)
249{
250 VP8Context *ctx = avctx->priv_data;
251
252 vpx_codec_destroy(&ctx->encoder);
253 if (ctx->is_alpha)
254 vpx_codec_destroy(&ctx->encoder_alpha);
255 av_freep(&ctx->twopass_stats.buf);
256 av_freep(&avctx->coded_frame);
257 av_freep(&avctx->stats_out);
258 free_frame_list(ctx->coded_frame_list);
259 return 0;
260}
261
262static av_cold int vpx_init(AVCodecContext *avctx,
263 const struct vpx_codec_iface *iface)
264{
265 VP8Context *ctx = avctx->priv_data;
266 struct vpx_codec_enc_cfg enccfg;
267 struct vpx_codec_enc_cfg enccfg_alpha;
268 vpx_codec_flags_t flags = (avctx->flags & CODEC_FLAG_PSNR) ? VPX_CODEC_USE_PSNR : 0;
269 int res;
270
271 av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
272 av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
273
274 if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P)
275 ctx->is_alpha = 1;
276
277 if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) {
278 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
279 vpx_codec_err_to_string(res));
280 return AVERROR(EINVAL);
281 }
282
283 if(!avctx->bit_rate)
284 if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
285 av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
286 return AVERROR(EINVAL);
287 }
288
289 dump_enc_cfg(avctx, &enccfg);
290
291 enccfg.g_w = avctx->width;
292 enccfg.g_h = avctx->height;
293 enccfg.g_timebase.num = avctx->time_base.num;
294 enccfg.g_timebase.den = avctx->time_base.den;
295 enccfg.g_threads = avctx->thread_count;
296 enccfg.g_lag_in_frames= ctx->lag_in_frames;
297
298 if (avctx->flags & CODEC_FLAG_PASS1)
299 enccfg.g_pass = VPX_RC_FIRST_PASS;
300 else if (avctx->flags & CODEC_FLAG_PASS2)
301 enccfg.g_pass = VPX_RC_LAST_PASS;
302 else
303 enccfg.g_pass = VPX_RC_ONE_PASS;
304
305 if (avctx->rc_min_rate == avctx->rc_max_rate &&
306 avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
307 enccfg.rc_end_usage = VPX_CBR;
308 } else if (ctx->crf >= 0) {
309 enccfg.rc_end_usage = VPX_CQ;
310#if CONFIG_LIBVPX_VP9_ENCODER
311 if (!avctx->bit_rate && avctx->codec_id == AV_CODEC_ID_VP9)
312 enccfg.rc_end_usage = VPX_Q;
313#endif
314 }
315
316 if (avctx->bit_rate) {
317 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
318 AV_ROUND_NEAR_INF);
319#if CONFIG_LIBVPX_VP9_ENCODER
320 } else if (enccfg.rc_end_usage == VPX_Q) {
321#endif
322 } else {
323 if (enccfg.rc_end_usage == VPX_CQ) {
324 enccfg.rc_target_bitrate = 1000000;
325 } else {
326 avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
327 av_log(avctx, AV_LOG_WARNING,
328 "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
329 enccfg.rc_target_bitrate);
330 }
331 }
332
333 if (avctx->qmin >= 0)
334 enccfg.rc_min_quantizer = avctx->qmin;
335 if (avctx->qmax >= 0)
336 enccfg.rc_max_quantizer = avctx->qmax;
337
338 if (enccfg.rc_end_usage == VPX_CQ
339#if CONFIG_LIBVPX_VP9_ENCODER
340 || enccfg.rc_end_usage == VPX_Q
341#endif
342 ) {
343 if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
344 av_log(avctx, AV_LOG_ERROR,
345 "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
346 ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
347 return AVERROR(EINVAL);
348 }
349 }
350
351 enccfg.rc_dropframe_thresh = avctx->frame_skip_threshold;
352
353 //0-100 (0 => CBR, 100 => VBR)
354 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
355 if (avctx->bit_rate)
356 enccfg.rc_2pass_vbr_minsection_pct =
357 avctx->rc_min_rate * 100LL / avctx->bit_rate;
358 if (avctx->rc_max_rate)
359 enccfg.rc_2pass_vbr_maxsection_pct =
360 avctx->rc_max_rate * 100LL / avctx->bit_rate;
361
362 if (avctx->rc_buffer_size)
363 enccfg.rc_buf_sz =
364 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
365 if (avctx->rc_initial_buffer_occupancy)
366 enccfg.rc_buf_initial_sz =
367 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
368 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
369 enccfg.rc_undershoot_pct = round(avctx->rc_buffer_aggressivity * 100);
370
371 //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
372 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
373 enccfg.kf_min_dist = avctx->keyint_min;
374 if (avctx->gop_size >= 0)
375 enccfg.kf_max_dist = avctx->gop_size;
376
377 if (enccfg.g_pass == VPX_RC_FIRST_PASS)
378 enccfg.g_lag_in_frames = 0;
379 else if (enccfg.g_pass == VPX_RC_LAST_PASS) {
380 int decode_size;
381
382 if (!avctx->stats_in) {
383 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
384 return AVERROR_INVALIDDATA;
385 }
386
387 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
388 ctx->twopass_stats.buf = av_malloc(ctx->twopass_stats.sz);
389 if (!ctx->twopass_stats.buf) {
390 av_log(avctx, AV_LOG_ERROR,
391 "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
392 ctx->twopass_stats.sz);
393 return AVERROR(ENOMEM);
394 }
395 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
396 ctx->twopass_stats.sz);
397 if (decode_size < 0) {
398 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
399 return AVERROR_INVALIDDATA;
400 }
401
402 ctx->twopass_stats.sz = decode_size;
403 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
404 }
405
406 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
407 complexity playback on low powered devices at the expense of encode
408 quality. */
409 if (avctx->profile != FF_PROFILE_UNKNOWN)
410 enccfg.g_profile = avctx->profile;
411
412 enccfg.g_error_resilient = ctx->error_resilient || ctx->flags & VP8F_ERROR_RESILIENT;
413
414 dump_enc_cfg(avctx, &enccfg);
415 /* Construct Encoder Context */
416 res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
417 if (res != VPX_CODEC_OK) {
418 log_encoder_error(avctx, "Failed to initialize encoder");
419 return AVERROR(EINVAL);
420 }
421
422 if (ctx->is_alpha) {
423 enccfg_alpha = enccfg;
424 res = vpx_codec_enc_init(&ctx->encoder_alpha, iface, &enccfg_alpha, flags);
425 if (res != VPX_CODEC_OK) {
426 log_encoder_error(avctx, "Failed to initialize alpha encoder");
427 return AVERROR(EINVAL);
428 }
429 }
430
431 //codec control failures are currently treated only as warnings
432 av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n");
433 codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used);
434 if (ctx->flags & VP8F_AUTO_ALT_REF)
435 ctx->auto_alt_ref = 1;
436 if (ctx->auto_alt_ref >= 0)
437 codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
438 if (ctx->arnr_max_frames >= 0)
439 codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
440 if (ctx->arnr_strength >= 0)
441 codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength);
442 if (ctx->arnr_type >= 0)
443 codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type);
444 codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction);
445 if (avctx->codec_id == AV_CODEC_ID_VP8)
446 codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
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447#if FF_API_MPV_OPT
448 FF_DISABLE_DEPRECATION_WARNINGS
449 if (avctx->mb_threshold) {
450 av_log(avctx, AV_LOG_WARNING, "The mb_threshold option is deprecated, "
451 "use the static-thresh private option instead.\n");
452 ctx->static_thresh = avctx->mb_threshold;
453 }
454 FF_ENABLE_DEPRECATION_WARNINGS
455#endif
456 codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, ctx->static_thresh);
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457 if (ctx->crf >= 0)
458 codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
459 if (ctx->max_intra_rate >= 0)
460 codecctl_int(avctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, ctx->max_intra_rate);
461
462#if CONFIG_LIBVPX_VP9_ENCODER
463 if (avctx->codec_id == AV_CODEC_ID_VP9) {
464 if (ctx->lossless >= 0)
465 codecctl_int(avctx, VP9E_SET_LOSSLESS, ctx->lossless);
466 if (ctx->tile_columns >= 0)
467 codecctl_int(avctx, VP9E_SET_TILE_COLUMNS, ctx->tile_columns);
468 if (ctx->tile_rows >= 0)
469 codecctl_int(avctx, VP9E_SET_TILE_ROWS, ctx->tile_rows);
470 if (ctx->frame_parallel >= 0)
471 codecctl_int(avctx, VP9E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
472 if (ctx->aq_mode >= 0)
473 codecctl_int(avctx, VP9E_SET_AQ_MODE, ctx->aq_mode);
474 }
475#endif
476
477 av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline);
478
479 //provide dummy value to initialize wrapper, values will be updated each _encode()
480 vpx_img_wrap(&ctx->rawimg, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
481 (unsigned char*)1);
482
483 if (ctx->is_alpha)
484 vpx_img_wrap(&ctx->rawimg_alpha, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
485 (unsigned char*)1);
486
487 avctx->coded_frame = av_frame_alloc();
488 if (!avctx->coded_frame) {
489 av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n");
490 vp8_free(avctx);
491 return AVERROR(ENOMEM);
492 }
493 return 0;
494}
495
496static inline void cx_pktcpy(struct FrameListData *dst,
497 const struct vpx_codec_cx_pkt *src,
498 const struct vpx_codec_cx_pkt *src_alpha,
499 VP8Context *ctx)
500{
501 dst->pts = src->data.frame.pts;
502 dst->duration = src->data.frame.duration;
503 dst->flags = src->data.frame.flags;
504 dst->sz = src->data.frame.sz;
505 dst->buf = src->data.frame.buf;
506 dst->have_sse = 0;
507 /* For alt-ref frame, don't store PSNR or increment frame_number */
508 if (!(dst->flags & VPX_FRAME_IS_INVISIBLE)) {
509 dst->frame_number = ++ctx->frame_number;
510 dst->have_sse = ctx->have_sse;
511 if (ctx->have_sse) {
512 /* associate last-seen SSE to the frame. */
513 /* Transfers ownership from ctx to dst. */
514 /* WARNING! This makes the assumption that PSNR_PKT comes
515 just before the frame it refers to! */
516 memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
517 ctx->have_sse = 0;
518 }
519 } else {
520 dst->frame_number = -1; /* sanity marker */
521 }
522 if (src_alpha) {
523 dst->buf_alpha = src_alpha->data.frame.buf;
524 dst->sz_alpha = src_alpha->data.frame.sz;
525 }
526 else {
527 dst->buf_alpha = NULL;
528 dst->sz_alpha = 0;
529 }
530}
531
532/**
533 * Store coded frame information in format suitable for return from encode2().
534 *
535 * Write information from @a cx_frame to @a pkt
536 * @return packet data size on success
537 * @return a negative AVERROR on error
538 */
539static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
540 AVPacket *pkt, AVFrame *coded_frame)
541{
542 int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz);
543 uint8_t *side_data;
544 if (ret >= 0) {
545 memcpy(pkt->data, cx_frame->buf, pkt->size);
546 pkt->pts = pkt->dts = cx_frame->pts;
547 coded_frame->pts = cx_frame->pts;
548 coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY);
549
550 if (coded_frame->key_frame) {
551 coded_frame->pict_type = AV_PICTURE_TYPE_I;
552 pkt->flags |= AV_PKT_FLAG_KEY;
553 } else
554 coded_frame->pict_type = AV_PICTURE_TYPE_P;
555
556 if (cx_frame->have_sse) {
557 int i;
558 /* Beware of the Y/U/V/all order! */
559 coded_frame->error[0] = cx_frame->sse[1];
560 coded_frame->error[1] = cx_frame->sse[2];
561 coded_frame->error[2] = cx_frame->sse[3];
562 coded_frame->error[3] = 0; // alpha
563 for (i = 0; i < 4; ++i) {
564 avctx->error[i] += coded_frame->error[i];
565 }
566 cx_frame->have_sse = 0;
567 }
568 if (cx_frame->sz_alpha > 0) {
569 side_data = av_packet_new_side_data(pkt,
570 AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
571 cx_frame->sz_alpha + 8);
572 if(!side_data) {
573 av_free_packet(pkt);
574 av_free(pkt);
575 return AVERROR(ENOMEM);
576 }
577 AV_WB64(side_data, 1);
578 memcpy(side_data + 8, cx_frame->buf_alpha, cx_frame->sz_alpha);
579 }
580 } else {
581 return ret;
582 }
583 return pkt->size;
584}
585
586/**
587 * Queue multiple output frames from the encoder, returning the front-most.
588 * In cases where vpx_codec_get_cx_data() returns more than 1 frame append
589 * the frame queue. Return the head frame if available.
590 * @return Stored frame size
591 * @return AVERROR(EINVAL) on output size error
592 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
593 */
594static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out,
595 AVFrame *coded_frame)
596{
597 VP8Context *ctx = avctx->priv_data;
598 const struct vpx_codec_cx_pkt *pkt;
599 const struct vpx_codec_cx_pkt *pkt_alpha = NULL;
600 const void *iter = NULL;
601 const void *iter_alpha = NULL;
602 int size = 0;
603
604 if (ctx->coded_frame_list) {
605 struct FrameListData *cx_frame = ctx->coded_frame_list;
606 /* return the leading frame if we've already begun queueing */
607 size = storeframe(avctx, cx_frame, pkt_out, coded_frame);
608 if (size < 0)
609 return size;
610 ctx->coded_frame_list = cx_frame->next;
611 free_coded_frame(cx_frame);
612 }
613
614 /* consume all available output from the encoder before returning. buffers
615 are only good through the next vpx_codec call */
616 while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter)) &&
617 (!ctx->is_alpha ||
618 (ctx->is_alpha && (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha))))) {
619 switch (pkt->kind) {
620 case VPX_CODEC_CX_FRAME_PKT:
621 if (!size) {
622 struct FrameListData cx_frame;
623
624 /* avoid storing the frame when the list is empty and we haven't yet
625 provided a frame for output */
626 av_assert0(!ctx->coded_frame_list);
627 cx_pktcpy(&cx_frame, pkt, pkt_alpha, ctx);
628 size = storeframe(avctx, &cx_frame, pkt_out, coded_frame);
629 if (size < 0)
630 return size;
631 } else {
632 struct FrameListData *cx_frame =
633 av_malloc(sizeof(struct FrameListData));
634
635 if (!cx_frame) {
636 av_log(avctx, AV_LOG_ERROR,
637 "Frame queue element alloc failed\n");
638 return AVERROR(ENOMEM);
639 }
640 cx_pktcpy(cx_frame, pkt, pkt_alpha, ctx);
641 cx_frame->buf = av_malloc(cx_frame->sz);
642
643 if (!cx_frame->buf) {
644 av_log(avctx, AV_LOG_ERROR,
645 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
646 cx_frame->sz);
f6fa7814 647 av_freep(&cx_frame);
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648 return AVERROR(ENOMEM);
649 }
650 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
651 if (ctx->is_alpha) {
652 cx_frame->buf_alpha = av_malloc(cx_frame->sz_alpha);
653 if (!cx_frame->buf_alpha) {
654 av_log(avctx, AV_LOG_ERROR,
655 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
656 cx_frame->sz_alpha);
657 av_free(cx_frame);
658 return AVERROR(ENOMEM);
659 }
660 memcpy(cx_frame->buf_alpha, pkt_alpha->data.frame.buf, pkt_alpha->data.frame.sz);
661 }
662 coded_frame_add(&ctx->coded_frame_list, cx_frame);
663 }
664 break;
665 case VPX_CODEC_STATS_PKT: {
666 struct vpx_fixed_buf *stats = &ctx->twopass_stats;
667 int err;
668 if ((err = av_reallocp(&stats->buf,
669 stats->sz +
670 pkt->data.twopass_stats.sz)) < 0) {
671 stats->sz = 0;
672 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
673 return err;
674 }
675 memcpy((uint8_t*)stats->buf + stats->sz,
676 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
677 stats->sz += pkt->data.twopass_stats.sz;
678 break;
679 }
680 case VPX_CODEC_PSNR_PKT:
681 av_assert0(!ctx->have_sse);
682 ctx->sse[0] = pkt->data.psnr.sse[0];
683 ctx->sse[1] = pkt->data.psnr.sse[1];
684 ctx->sse[2] = pkt->data.psnr.sse[2];
685 ctx->sse[3] = pkt->data.psnr.sse[3];
686 ctx->have_sse = 1;
687 break;
688 case VPX_CODEC_CUSTOM_PKT:
689 //ignore unsupported/unrecognized packet types
690 break;
691 }
692 }
693
694 return size;
695}
696
697static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
698 const AVFrame *frame, int *got_packet)
699{
700 VP8Context *ctx = avctx->priv_data;
701 struct vpx_image *rawimg = NULL;
702 struct vpx_image *rawimg_alpha = NULL;
703 int64_t timestamp = 0;
704 int res, coded_size;
705 vpx_enc_frame_flags_t flags = 0;
706
707 if (frame) {
708 rawimg = &ctx->rawimg;
709 rawimg->planes[VPX_PLANE_Y] = frame->data[0];
710 rawimg->planes[VPX_PLANE_U] = frame->data[1];
711 rawimg->planes[VPX_PLANE_V] = frame->data[2];
712 rawimg->stride[VPX_PLANE_Y] = frame->linesize[0];
713 rawimg->stride[VPX_PLANE_U] = frame->linesize[1];
714 rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
715 if (ctx->is_alpha) {
716 uint8_t *u_plane, *v_plane;
717 rawimg_alpha = &ctx->rawimg_alpha;
718 rawimg_alpha->planes[VPX_PLANE_Y] = frame->data[3];
719 u_plane = av_malloc(frame->linesize[1] * frame->height);
720 memset(u_plane, 0x80, frame->linesize[1] * frame->height);
721 rawimg_alpha->planes[VPX_PLANE_U] = u_plane;
722 v_plane = av_malloc(frame->linesize[2] * frame->height);
723 memset(v_plane, 0x80, frame->linesize[2] * frame->height);
724 rawimg_alpha->planes[VPX_PLANE_V] = v_plane;
725 rawimg_alpha->stride[VPX_PLANE_Y] = frame->linesize[0];
726 rawimg_alpha->stride[VPX_PLANE_U] = frame->linesize[1];
727 rawimg_alpha->stride[VPX_PLANE_V] = frame->linesize[2];
728 }
729 timestamp = frame->pts;
730 if (frame->pict_type == AV_PICTURE_TYPE_I)
731 flags |= VPX_EFLAG_FORCE_KF;
732 }
733
734 res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
735 avctx->ticks_per_frame, flags, ctx->deadline);
736 if (res != VPX_CODEC_OK) {
737 log_encoder_error(avctx, "Error encoding frame");
738 return AVERROR_INVALIDDATA;
739 }
740
741 if (ctx->is_alpha) {
742 res = vpx_codec_encode(&ctx->encoder_alpha, rawimg_alpha, timestamp,
743 avctx->ticks_per_frame, flags, ctx->deadline);
744 if (res != VPX_CODEC_OK) {
745 log_encoder_error(avctx, "Error encoding alpha frame");
746 return AVERROR_INVALIDDATA;
747 }
748 }
749
750 coded_size = queue_frames(avctx, pkt, avctx->coded_frame);
751
752 if (!frame && avctx->flags & CODEC_FLAG_PASS1) {
753 unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
754
755 avctx->stats_out = av_malloc(b64_size);
756 if (!avctx->stats_out) {
757 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n",
758 b64_size);
759 return AVERROR(ENOMEM);
760 }
761 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
762 ctx->twopass_stats.sz);
763 }
764
765 if (rawimg_alpha) {
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766 av_freep(&rawimg_alpha->planes[VPX_PLANE_U]);
767 av_freep(&rawimg_alpha->planes[VPX_PLANE_V]);
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768 }
769
770 *got_packet = !!coded_size;
771 return 0;
772}
773
774#define OFFSET(x) offsetof(VP8Context, x)
775#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
776
777#ifndef VPX_ERROR_RESILIENT_DEFAULT
778#define VPX_ERROR_RESILIENT_DEFAULT 1
779#define VPX_ERROR_RESILIENT_PARTITIONS 2
780#endif
781
782#define COMMON_OPTIONS \
783 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE}, \
784 { "auto-alt-ref", "Enable use of alternate reference " \
785 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE}, \
786 { "lag-in-frames", "Number of frames to look ahead for " \
787 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
788 { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
789 { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
790 { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"}, \
791 { "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" }, \
792 { "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" }, \
793 { "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" }, \
794 { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
795 { "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, \
796 { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, \
797 { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"}, \
798 { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"}, \
799 { "max-intra-rate", "Maximum I-frame bitrate (pct) 0=unlimited", OFFSET(max_intra_rate), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
800 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, \
801 { "partitions", "The frame partitions are independently decodable " \
802 "by the bool decoder, meaning that partitions can be decoded even " \
803 "though earlier partitions have been lost. Note that intra predicition" \
804 " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, \
805 { "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE }, \
f6fa7814 806 { "static-thresh", "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
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807
808#define LEGACY_OPTIONS \
809 {"speed", "", offsetof(VP8Context, cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE}, \
810 {"quality", "", offsetof(VP8Context, deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
811 {"vp8flags", "", offsetof(VP8Context, flags), FF_OPT_TYPE_FLAGS, {.i64 = 0}, 0, UINT_MAX, VE, "flags"}, \
812 {"error_resilient", "enable error resilience", 0, FF_OPT_TYPE_CONST, {.dbl = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"}, \
813 {"altref", "enable use of alternate reference frames (VP8/2-pass only)", 0, FF_OPT_TYPE_CONST, {.dbl = VP8F_AUTO_ALT_REF}, INT_MIN, INT_MAX, VE, "flags"}, \
814 {"arnr_max_frames", "altref noise reduction max frame count", offsetof(VP8Context, arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 15, VE}, \
815 {"arnr_strength", "altref noise reduction filter strength", offsetof(VP8Context, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE}, \
816 {"arnr_type", "altref noise reduction filter type", offsetof(VP8Context, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE}, \
817 {"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VP8Context, lag_in_frames), AV_OPT_TYPE_INT, {.i64 = 25}, 0, 25, VE}, \
818
819#if CONFIG_LIBVPX_VP8_ENCODER
820static const AVOption vp8_options[] = {
821 COMMON_OPTIONS
822 LEGACY_OPTIONS
823 { NULL }
824};
825#endif
826
827#if CONFIG_LIBVPX_VP9_ENCODER
828static const AVOption vp9_options[] = {
829 COMMON_OPTIONS
830 { "lossless", "Lossless mode", OFFSET(lossless), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
831 { "tile-columns", "Number of tile columns to use, log2", OFFSET(tile_columns), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
832 { "tile-rows", "Number of tile rows to use, log2", OFFSET(tile_rows), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
833 { "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
834 { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 3, VE, "aq_mode"},
835 { "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode" }, \
836 { "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode" }, \
837 { "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode" }, \
838 { "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode" }, \
839 LEGACY_OPTIONS
840 { NULL }
841};
842#endif
843
844#undef COMMON_OPTIONS
845#undef LEGACY_OPTIONS
846
847static const AVCodecDefault defaults[] = {
848 { "qmin", "-1" },
849 { "qmax", "-1" },
850 { "g", "-1" },
851 { "keyint_min", "-1" },
852 { NULL },
853};
854
855#if CONFIG_LIBVPX_VP8_ENCODER
856static av_cold int vp8_init(AVCodecContext *avctx)
857{
858 return vpx_init(avctx, &vpx_codec_vp8_cx_algo);
859}
860
861static const AVClass class_vp8 = {
862 .class_name = "libvpx-vp8 encoder",
863 .item_name = av_default_item_name,
864 .option = vp8_options,
865 .version = LIBAVUTIL_VERSION_INT,
866};
867
868AVCodec ff_libvpx_vp8_encoder = {
869 .name = "libvpx",
870 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
871 .type = AVMEDIA_TYPE_VIDEO,
872 .id = AV_CODEC_ID_VP8,
873 .priv_data_size = sizeof(VP8Context),
874 .init = vp8_init,
875 .encode2 = vp8_encode,
876 .close = vp8_free,
877 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
878 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE },
879 .priv_class = &class_vp8,
880 .defaults = defaults,
881};
882#endif /* CONFIG_LIBVPX_VP8_ENCODER */
883
884#if CONFIG_LIBVPX_VP9_ENCODER
885static av_cold int vp9_init(AVCodecContext *avctx)
886{
887 return vpx_init(avctx, &vpx_codec_vp9_cx_algo);
888}
889
890static const AVClass class_vp9 = {
891 .class_name = "libvpx-vp9 encoder",
892 .item_name = av_default_item_name,
893 .option = vp9_options,
894 .version = LIBAVUTIL_VERSION_INT,
895};
896
897AVCodec ff_libvpx_vp9_encoder = {
898 .name = "libvpx-vp9",
899 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"),
900 .type = AVMEDIA_TYPE_VIDEO,
901 .id = AV_CODEC_ID_VP9,
902 .priv_data_size = sizeof(VP8Context),
903 .init = vp9_init,
904 .encode2 = vp8_encode,
905 .close = vp8_free,
906 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
907 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
908 .priv_class = &class_vp9,
909 .defaults = defaults,
910 .init_static_data = ff_vp9_init_static,
911};
912#endif /* CONFIG_LIBVPX_VP9_ENCODER */