d1e2523e5457fca36c6f36c5c388cc929b83597d
[libav.git] / libavcodec / libvpxenc.c
1 /*
2 * Copyright (c) 2010, Google, Inc.
3 *
4 * This file is part of Libav.
5 *
6 * Libav 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 * Libav 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 Libav; 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 "libvpx.h"
34 #include "libavutil/base64.h"
35 #include "libavutil/common.h"
36 #include "libavutil/mathematics.h"
37 #include "libavutil/opt.h"
38
39 /**
40 * Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
41 * One encoded frame returned from the library.
42 */
43 struct FrameListData {
44 void *buf; /**< compressed data buffer */
45 size_t sz; /**< length of compressed data */
46 int64_t pts; /**< time stamp to show frame
47 (in timebase units) */
48 unsigned long duration; /**< duration to show frame
49 (in timebase units) */
50 uint32_t flags; /**< flags for this frame */
51 struct FrameListData *next;
52 };
53
54 typedef struct VP8EncoderContext {
55 AVClass *class;
56 struct vpx_codec_ctx encoder;
57 struct vpx_image rawimg;
58 struct vpx_fixed_buf twopass_stats;
59 unsigned long deadline; //i.e., RT/GOOD/BEST
60 struct FrameListData *coded_frame_list;
61 int cpu_used;
62 int auto_alt_ref;
63 int arnr_max_frames;
64 int arnr_strength;
65 int arnr_type;
66 int lag_in_frames;
67 int error_resilient;
68 int crf;
69 int static_thresh;
70 } VP8Context;
71
72 /** String mappings for enum vp8e_enc_control_id */
73 static const char *const ctlidstr[] = {
74 [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
75 [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
76 [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
77 [VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED",
78 [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
79 [VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF",
80 [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
81 [VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD",
82 [VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS",
83 };
84
85 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
86 {
87 VP8Context *ctx = avctx->priv_data;
88 const char *error = vpx_codec_error(&ctx->encoder);
89 const char *detail = vpx_codec_error_detail(&ctx->encoder);
90
91 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
92 if (detail)
93 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
94 }
95
96 static av_cold void dump_enc_cfg(AVCodecContext *avctx,
97 const struct vpx_codec_enc_cfg *cfg)
98 {
99 int width = -30;
100 int level = AV_LOG_DEBUG;
101
102 av_log(avctx, level, "vpx_codec_enc_cfg\n");
103 av_log(avctx, level, "generic settings\n"
104 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
105 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
106 width, "g_usage:", cfg->g_usage,
107 width, "g_threads:", cfg->g_threads,
108 width, "g_profile:", cfg->g_profile,
109 width, "g_w:", cfg->g_w,
110 width, "g_h:", cfg->g_h,
111 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
112 width, "g_error_resilient:", cfg->g_error_resilient,
113 width, "g_pass:", cfg->g_pass,
114 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
115 av_log(avctx, level, "rate control settings\n"
116 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
117 " %*s%d\n %*s%p(%zu)\n %*s%u\n",
118 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
119 width, "rc_resize_allowed:", cfg->rc_resize_allowed,
120 width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh,
121 width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh,
122 width, "rc_end_usage:", cfg->rc_end_usage,
123 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
124 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
125 av_log(avctx, level, "quantizer settings\n"
126 " %*s%u\n %*s%u\n",
127 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
128 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
129 av_log(avctx, level, "bitrate tolerance\n"
130 " %*s%u\n %*s%u\n",
131 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
132 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
133 av_log(avctx, level, "decoder buffer model\n"
134 " %*s%u\n %*s%u\n %*s%u\n",
135 width, "rc_buf_sz:", cfg->rc_buf_sz,
136 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
137 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
138 av_log(avctx, level, "2 pass rate control settings\n"
139 " %*s%u\n %*s%u\n %*s%u\n",
140 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
141 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
142 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
143 av_log(avctx, level, "keyframing settings\n"
144 " %*s%d\n %*s%u\n %*s%u\n",
145 width, "kf_mode:", cfg->kf_mode,
146 width, "kf_min_dist:", cfg->kf_min_dist,
147 width, "kf_max_dist:", cfg->kf_max_dist);
148 av_log(avctx, level, "\n");
149 }
150
151 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
152 {
153 struct FrameListData **p = list;
154
155 while (*p)
156 p = &(*p)->next;
157 *p = cx_frame;
158 cx_frame->next = NULL;
159 }
160
161 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
162 {
163 av_freep(&cx_frame->buf);
164 av_freep(&cx_frame);
165 }
166
167 static av_cold void free_frame_list(struct FrameListData *list)
168 {
169 struct FrameListData *p = list;
170
171 while (p) {
172 list = list->next;
173 free_coded_frame(p);
174 p = list;
175 }
176 }
177
178 static av_cold int codecctl_int(AVCodecContext *avctx,
179 enum vp8e_enc_control_id id, int val)
180 {
181 VP8Context *ctx = avctx->priv_data;
182 char buf[80];
183 int width = -30;
184 int res;
185
186 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
187 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
188
189 res = vpx_codec_control(&ctx->encoder, id, val);
190 if (res != VPX_CODEC_OK) {
191 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
192 ctlidstr[id]);
193 log_encoder_error(avctx, buf);
194 }
195
196 return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
197 }
198
199 static av_cold int vp8_free(AVCodecContext *avctx)
200 {
201 VP8Context *ctx = avctx->priv_data;
202
203 vpx_codec_destroy(&ctx->encoder);
204 av_freep(&ctx->twopass_stats.buf);
205 av_freep(&avctx->stats_out);
206 free_frame_list(ctx->coded_frame_list);
207 return 0;
208 }
209
210 static av_cold int vpx_init(AVCodecContext *avctx,
211 const struct vpx_codec_iface *iface)
212 {
213 VP8Context *ctx = avctx->priv_data;
214 struct vpx_codec_enc_cfg enccfg = { 0 };
215 int res;
216
217 av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
218 av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
219
220 if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) {
221 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
222 vpx_codec_err_to_string(res));
223 return AVERROR(EINVAL);
224 }
225 dump_enc_cfg(avctx, &enccfg);
226
227 enccfg.g_w = avctx->width;
228 enccfg.g_h = avctx->height;
229 enccfg.g_timebase.num = avctx->time_base.num;
230 enccfg.g_timebase.den = avctx->time_base.den;
231 enccfg.g_threads = avctx->thread_count;
232
233 if (ctx->lag_in_frames >= 0)
234 enccfg.g_lag_in_frames = ctx->lag_in_frames;
235
236 if (avctx->flags & AV_CODEC_FLAG_PASS1)
237 enccfg.g_pass = VPX_RC_FIRST_PASS;
238 else if (avctx->flags & AV_CODEC_FLAG_PASS2)
239 enccfg.g_pass = VPX_RC_LAST_PASS;
240 else
241 enccfg.g_pass = VPX_RC_ONE_PASS;
242
243 if (!avctx->bit_rate)
244 avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
245 else
246 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
247 AV_ROUND_NEAR_INF);
248
249 if (ctx->crf)
250 enccfg.rc_end_usage = VPX_CQ;
251 else if (avctx->rc_min_rate == avctx->rc_max_rate &&
252 avctx->rc_min_rate == avctx->bit_rate)
253 enccfg.rc_end_usage = VPX_CBR;
254
255 if (avctx->qmin > 0)
256 enccfg.rc_min_quantizer = avctx->qmin;
257 if (avctx->qmax > 0)
258 enccfg.rc_max_quantizer = avctx->qmax;
259 enccfg.rc_dropframe_thresh = avctx->frame_skip_threshold;
260
261 //0-100 (0 => CBR, 100 => VBR)
262 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
263 enccfg.rc_2pass_vbr_minsection_pct =
264 avctx->rc_min_rate * 100LL / avctx->bit_rate;
265 if (avctx->rc_max_rate)
266 enccfg.rc_2pass_vbr_maxsection_pct =
267 avctx->rc_max_rate * 100LL / avctx->bit_rate;
268
269 if (avctx->rc_buffer_size)
270 enccfg.rc_buf_sz =
271 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
272 if (avctx->rc_initial_buffer_occupancy)
273 enccfg.rc_buf_initial_sz =
274 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
275 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
276
277 //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
278 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
279 enccfg.kf_min_dist = avctx->keyint_min;
280 if (avctx->gop_size >= 0)
281 enccfg.kf_max_dist = avctx->gop_size;
282
283 if (enccfg.g_pass == VPX_RC_FIRST_PASS)
284 enccfg.g_lag_in_frames = 0;
285 else if (enccfg.g_pass == VPX_RC_LAST_PASS) {
286 int decode_size, ret;
287
288 if (!avctx->stats_in) {
289 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
290 return AVERROR_INVALIDDATA;
291 }
292
293 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
294 ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
295 if (ret < 0) {
296 av_log(avctx, AV_LOG_ERROR,
297 "Stat buffer alloc (%zu bytes) failed\n",
298 ctx->twopass_stats.sz);
299 return ret;
300 }
301 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
302 ctx->twopass_stats.sz);
303 if (decode_size < 0) {
304 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
305 return AVERROR_INVALIDDATA;
306 }
307
308 ctx->twopass_stats.sz = decode_size;
309 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
310 }
311
312 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
313 complexity playback on low powered devices at the expense of encode
314 quality. */
315 if (avctx->profile != FF_PROFILE_UNKNOWN)
316 enccfg.g_profile = avctx->profile;
317 else if (avctx->pix_fmt == AV_PIX_FMT_YUV420P)
318 avctx->profile = enccfg.g_profile = FF_PROFILE_VP9_0;
319 else
320 avctx->profile = enccfg.g_profile = FF_PROFILE_VP9_1;
321
322 enccfg.g_error_resilient = ctx->error_resilient;
323
324 dump_enc_cfg(avctx, &enccfg);
325 /* Construct Encoder Context */
326 res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, 0);
327 if (res != VPX_CODEC_OK) {
328 log_encoder_error(avctx, "Failed to initialize encoder");
329 return AVERROR(EINVAL);
330 }
331
332 //codec control failures are currently treated only as warnings
333 av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n");
334 if (ctx->cpu_used != INT_MIN)
335 codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used);
336 if (ctx->auto_alt_ref >= 0)
337 codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
338 if (ctx->arnr_max_frames >= 0)
339 codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
340 if (ctx->arnr_strength >= 0)
341 codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength);
342 if (ctx->arnr_type >= 0)
343 codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type);
344
345 if (CONFIG_LIBVPX_VP8_ENCODER && iface == &vpx_codec_vp8_cx_algo) {
346 codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction);
347 codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
348 }
349 #if FF_API_MPV_OPT
350 FF_DISABLE_DEPRECATION_WARNINGS
351 if (avctx->mb_threshold) {
352 av_log(avctx, AV_LOG_WARNING, "The mb_threshold option is deprecated, "
353 "use the static-thresh private option instead.\n");
354 ctx->static_thresh = avctx->mb_threshold;
355 }
356 FF_ENABLE_DEPRECATION_WARNINGS
357 #endif
358 codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, ctx->static_thresh);
359 codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
360
361 //provide dummy value to initialize wrapper, values will be updated each _encode()
362 vpx_img_wrap(&ctx->rawimg, ff_vpx_pixfmt_to_imgfmt(avctx->pix_fmt),
363 avctx->width, avctx->height, 1, (unsigned char *)1);
364
365 return 0;
366 }
367
368 static inline void cx_pktcpy(struct FrameListData *dst,
369 const struct vpx_codec_cx_pkt *src)
370 {
371 dst->pts = src->data.frame.pts;
372 dst->duration = src->data.frame.duration;
373 dst->flags = src->data.frame.flags;
374 dst->sz = src->data.frame.sz;
375 dst->buf = src->data.frame.buf;
376 }
377
378 /**
379 * Store coded frame information in format suitable for return from encode2().
380 *
381 * Write information from @a cx_frame to @a pkt
382 * @return packet data size on success
383 * @return a negative AVERROR on error
384 */
385 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
386 AVPacket *pkt)
387 {
388 int ret = ff_alloc_packet(pkt, cx_frame->sz);
389 if (ret >= 0) {
390 memcpy(pkt->data, cx_frame->buf, pkt->size);
391 pkt->pts = pkt->dts = cx_frame->pts;
392 #if FF_API_CODED_FRAME
393 FF_DISABLE_DEPRECATION_WARNINGS
394 avctx->coded_frame->pts = cx_frame->pts;
395 avctx->coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY);
396 FF_ENABLE_DEPRECATION_WARNINGS
397 #endif
398
399 if (!!(cx_frame->flags & VPX_FRAME_IS_KEY)) {
400 #if FF_API_CODED_FRAME
401 FF_DISABLE_DEPRECATION_WARNINGS
402 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
403 FF_ENABLE_DEPRECATION_WARNINGS
404 #endif
405 pkt->flags |= AV_PKT_FLAG_KEY;
406 } else {
407 #if FF_API_CODED_FRAME
408 FF_DISABLE_DEPRECATION_WARNINGS
409 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
410 FF_ENABLE_DEPRECATION_WARNINGS
411 #endif
412 }
413 } else {
414 av_log(avctx, AV_LOG_ERROR,
415 "Error getting output packet of size %zu.\n", cx_frame->sz);
416 return ret;
417 }
418 return pkt->size;
419 }
420
421 /**
422 * Queue multiple output frames from the encoder, returning the front-most.
423 * In cases where vpx_codec_get_cx_data() returns more than 1 frame append
424 * the frame queue. Return the head frame if available.
425 * @return Stored frame size
426 * @return AVERROR(EINVAL) on output size error
427 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
428 */
429 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
430 {
431 VP8Context *ctx = avctx->priv_data;
432 const struct vpx_codec_cx_pkt *pkt;
433 const void *iter = NULL;
434 int size = 0;
435
436 if (ctx->coded_frame_list) {
437 struct FrameListData *cx_frame = ctx->coded_frame_list;
438 /* return the leading frame if we've already begun queueing */
439 size = storeframe(avctx, cx_frame, pkt_out);
440 if (size < 0)
441 return size;
442 ctx->coded_frame_list = cx_frame->next;
443 free_coded_frame(cx_frame);
444 }
445
446 /* consume all available output from the encoder before returning. buffers
447 are only good through the next vpx_codec call */
448 while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter))) {
449 switch (pkt->kind) {
450 case VPX_CODEC_CX_FRAME_PKT:
451 if (!size) {
452 struct FrameListData cx_frame;
453
454 /* avoid storing the frame when the list is empty and we haven't yet
455 provided a frame for output */
456 assert(!ctx->coded_frame_list);
457 cx_pktcpy(&cx_frame, pkt);
458 size = storeframe(avctx, &cx_frame, pkt_out);
459 if (size < 0)
460 return size;
461 } else {
462 struct FrameListData *cx_frame =
463 av_malloc(sizeof(struct FrameListData));
464
465 if (!cx_frame) {
466 av_log(avctx, AV_LOG_ERROR,
467 "Frame queue element alloc failed\n");
468 return AVERROR(ENOMEM);
469 }
470 cx_pktcpy(cx_frame, pkt);
471 cx_frame->buf = av_malloc(cx_frame->sz);
472
473 if (!cx_frame->buf) {
474 av_log(avctx, AV_LOG_ERROR,
475 "Data buffer alloc (%zu bytes) failed\n",
476 cx_frame->sz);
477 av_freep(&cx_frame);
478 return AVERROR(ENOMEM);
479 }
480 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
481 coded_frame_add(&ctx->coded_frame_list, cx_frame);
482 }
483 break;
484 case VPX_CODEC_STATS_PKT: {
485 struct vpx_fixed_buf *stats = &ctx->twopass_stats;
486 int err;
487 if ((err = av_reallocp(&stats->buf,
488 stats->sz +
489 pkt->data.twopass_stats.sz)) < 0) {
490 stats->sz = 0;
491 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
492 return err;
493 }
494 memcpy((uint8_t*)stats->buf + stats->sz,
495 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
496 stats->sz += pkt->data.twopass_stats.sz;
497 break;
498 }
499 case VPX_CODEC_PSNR_PKT: //FIXME add support for AV_CODEC_FLAG_PSNR
500 case VPX_CODEC_CUSTOM_PKT:
501 //ignore unsupported/unrecognized packet types
502 break;
503 }
504 }
505
506 return size;
507 }
508
509 static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
510 const AVFrame *frame, int *got_packet)
511 {
512 VP8Context *ctx = avctx->priv_data;
513 struct vpx_image *rawimg = NULL;
514 int64_t timestamp = 0;
515 int res, coded_size;
516 vpx_enc_frame_flags_t flags = 0;
517
518 if (frame) {
519 rawimg = &ctx->rawimg;
520 rawimg->planes[VPX_PLANE_Y] = frame->data[0];
521 rawimg->planes[VPX_PLANE_U] = frame->data[1];
522 rawimg->planes[VPX_PLANE_V] = frame->data[2];
523 rawimg->stride[VPX_PLANE_Y] = frame->linesize[0];
524 rawimg->stride[VPX_PLANE_U] = frame->linesize[1];
525 rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
526 timestamp = frame->pts;
527 if (frame->pict_type == AV_PICTURE_TYPE_I)
528 flags |= VPX_EFLAG_FORCE_KF;
529 }
530
531 res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
532 avctx->ticks_per_frame, flags, ctx->deadline);
533 if (res != VPX_CODEC_OK) {
534 log_encoder_error(avctx, "Error encoding frame");
535 return AVERROR_INVALIDDATA;
536 }
537 coded_size = queue_frames(avctx, pkt);
538
539 if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
540 unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
541
542 avctx->stats_out = av_malloc(b64_size);
543 if (!avctx->stats_out) {
544 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n",
545 b64_size);
546 return AVERROR(ENOMEM);
547 }
548 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
549 ctx->twopass_stats.sz);
550 }
551
552 *got_packet = !!coded_size;
553 return 0;
554 }
555
556 #define OFFSET(x) offsetof(VP8Context, x)
557 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
558 static const AVOption options[] = {
559 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, INT_MIN, INT_MAX, VE},
560 { "auto-alt-ref", "Enable use of alternate reference "
561 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
562 { "lag-in-frames", "Number of frames to look ahead for "
563 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
564 { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
565 { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
566 { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"},
567 { "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" },
568 { "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" },
569 { "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" },
570 { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"},
571 { "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"},
572 { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"},
573 { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"},
574 { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
575 #ifdef VPX_ERROR_RESILIENT_DEFAULT
576 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
577 { "partitions", "The frame partitions are independently decodable "
578 "by the bool decoder, meaning that partitions can be decoded even "
579 "though earlier partitions have been lost. Note that intra predicition"
580 " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"},
581 #endif
582 { "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE },
583 { "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 },
584 { NULL }
585 };
586
587 static const AVCodecDefault defaults[] = {
588 { "qmin", "-1" },
589 { "qmax", "-1" },
590 { "g", "-1" },
591 { "keyint_min", "-1" },
592 { NULL },
593 };
594
595 #if CONFIG_LIBVPX_VP8_ENCODER
596 static av_cold int vp8_init(AVCodecContext *avctx)
597 {
598 return vpx_init(avctx, &vpx_codec_vp8_cx_algo);
599 }
600
601 static const AVClass class_vp8 = {
602 .class_name = "libvpx encoder",
603 .item_name = av_default_item_name,
604 .option = options,
605 .version = LIBAVUTIL_VERSION_INT,
606 };
607
608 AVCodec ff_libvpx_vp8_encoder = {
609 .name = "libvpx",
610 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
611 .type = AVMEDIA_TYPE_VIDEO,
612 .id = AV_CODEC_ID_VP8,
613 .priv_data_size = sizeof(VP8Context),
614 .init = vp8_init,
615 .encode2 = vp8_encode,
616 .close = vp8_free,
617 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
618 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
619 .priv_class = &class_vp8,
620 .defaults = defaults,
621 };
622 #endif /* CONFIG_LIBVPX_VP8_ENCODER */
623
624 #if CONFIG_LIBVPX_VP9_ENCODER
625 static av_cold int vp9_init(AVCodecContext *avctx)
626 {
627 return vpx_init(avctx, &vpx_codec_vp9_cx_algo);
628 }
629
630 static const AVClass class_vp9 = {
631 .class_name = "libvpx encoder",
632 .item_name = av_default_item_name,
633 .option = options,
634 .version = LIBAVUTIL_VERSION_INT,
635 };
636
637 static const AVProfile profiles[] = {
638 { FF_PROFILE_VP9_0, "Profile 0" },
639 { FF_PROFILE_VP9_1, "Profile 1" },
640 { FF_PROFILE_VP9_2, "Profile 2" },
641 { FF_PROFILE_VP9_3, "Profile 3" },
642 { FF_PROFILE_UNKNOWN },
643 };
644
645 AVCodec ff_libvpx_vp9_encoder = {
646 .name = "libvpx-vp9",
647 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"),
648 .type = AVMEDIA_TYPE_VIDEO,
649 .id = AV_CODEC_ID_VP9,
650 .priv_data_size = sizeof(VP8Context),
651 .init = vp9_init,
652 .encode2 = vp8_encode,
653 .close = vp8_free,
654 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
655 .pix_fmts = (const enum AVPixelFormat[]) {
656 AV_PIX_FMT_YUV420P,
657 #if VPX_IMAGE_ABI_VERSION >= 3
658 AV_PIX_FMT_YUV422P,
659 AV_PIX_FMT_YUV444P,
660 AV_PIX_FMT_YUV440P,
661 #endif
662 AV_PIX_FMT_NONE,
663 },
664 .profiles = NULL_IF_CONFIG_SMALL(profiles),
665 .priv_class = &class_vp9,
666 .defaults = defaults,
667 };
668 #endif /* CONFIG_LIBVPX_VP9_ENCODER */