nut: support vp9 tag
[libav.git] / libavcodec / libvpxenc.c
CommitLineData
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1/*
2 * Copyright (c) 2010, Google, Inc.
3 *
2912e87a 4 * This file is part of Libav.
ee0e9146 5 *
2912e87a 6 * Libav is free software; you can redistribute it and/or
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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 *
2912e87a 11 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 17 * License along with Libav; if not, write to the Free Software
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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"
e3eb015b 32#include "internal.h"
ee0e9146 33#include "libavutil/base64.h"
1d9c2dc8 34#include "libavutil/common.h"
954a6532 35#include "libavutil/mathematics.h"
e3eb015b 36#include "libavutil/opt.h"
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37
38/**
39 * Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
40 * One encoded frame returned from the library.
41 */
42struct FrameListData {
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43 void *buf; /**< compressed data buffer */
44 size_t sz; /**< length of compressed data */
45 int64_t pts; /**< time stamp to show frame
ee0e9146 46 (in timebase units) */
1aa15491 47 unsigned long duration; /**< duration to show frame
ee0e9146 48 (in timebase units) */
1aa15491 49 uint32_t flags; /**< flags for this frame */
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50 struct FrameListData *next;
51};
52
53typedef struct VP8EncoderContext {
e3eb015b 54 AVClass *class;
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55 struct vpx_codec_ctx encoder;
56 struct vpx_image rawimg;
57 struct vpx_fixed_buf twopass_stats;
58 unsigned long deadline; //i.e., RT/GOOD/BEST
59 struct FrameListData *coded_frame_list;
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60 int cpu_used;
61 int auto_alt_ref;
62 int arnr_max_frames;
63 int arnr_strength;
64 int arnr_type;
65 int lag_in_frames;
66 int error_resilient;
12776d5d 67 int crf;
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68} VP8Context;
69
70/** String mappings for enum vp8e_enc_control_id */
b0f29db5 71static const char *const ctlidstr[] = {
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72 [VP8E_UPD_ENTROPY] = "VP8E_UPD_ENTROPY",
73 [VP8E_UPD_REFERENCE] = "VP8E_UPD_REFERENCE",
74 [VP8E_USE_REFERENCE] = "VP8E_USE_REFERENCE",
75 [VP8E_SET_ROI_MAP] = "VP8E_SET_ROI_MAP",
76 [VP8E_SET_ACTIVEMAP] = "VP8E_SET_ACTIVEMAP",
77 [VP8E_SET_SCALEMODE] = "VP8E_SET_SCALEMODE",
78 [VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED",
79 [VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF",
80 [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
81 [VP8E_SET_SHARPNESS] = "VP8E_SET_SHARPNESS",
82 [VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD",
83 [VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS",
84 [VP8E_GET_LAST_QUANTIZER] = "VP8E_GET_LAST_QUANTIZER",
85 [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
86 [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
87 [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
12776d5d 88 [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
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89};
90
91static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
92{
93 VP8Context *ctx = avctx->priv_data;
94 const char *error = vpx_codec_error(&ctx->encoder);
95 const char *detail = vpx_codec_error_detail(&ctx->encoder);
96
97 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
98 if (detail)
99 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
100}
101
102static av_cold void dump_enc_cfg(AVCodecContext *avctx,
103 const struct vpx_codec_enc_cfg *cfg)
104{
105 int width = -30;
106 int level = AV_LOG_DEBUG;
107
108 av_log(avctx, level, "vpx_codec_enc_cfg\n");
109 av_log(avctx, level, "generic settings\n"
110 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
111 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
112 width, "g_usage:", cfg->g_usage,
113 width, "g_threads:", cfg->g_threads,
114 width, "g_profile:", cfg->g_profile,
115 width, "g_w:", cfg->g_w,
116 width, "g_h:", cfg->g_h,
117 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
118 width, "g_error_resilient:", cfg->g_error_resilient,
119 width, "g_pass:", cfg->g_pass,
120 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
121 av_log(avctx, level, "rate control settings\n"
122 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
123 " %*s%d\n %*s%p(%zu)\n %*s%u\n",
124 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
125 width, "rc_resize_allowed:", cfg->rc_resize_allowed,
126 width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh,
127 width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh,
128 width, "rc_end_usage:", cfg->rc_end_usage,
129 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
130 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
131 av_log(avctx, level, "quantizer settings\n"
132 " %*s%u\n %*s%u\n",
133 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
134 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
135 av_log(avctx, level, "bitrate tolerance\n"
136 " %*s%u\n %*s%u\n",
137 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
138 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
139 av_log(avctx, level, "decoder buffer model\n"
140 " %*s%u\n %*s%u\n %*s%u\n",
141 width, "rc_buf_sz:", cfg->rc_buf_sz,
142 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
143 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
144 av_log(avctx, level, "2 pass rate control settings\n"
145 " %*s%u\n %*s%u\n %*s%u\n",
146 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
147 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
148 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
149 av_log(avctx, level, "keyframing settings\n"
150 " %*s%d\n %*s%u\n %*s%u\n",
151 width, "kf_mode:", cfg->kf_mode,
152 width, "kf_min_dist:", cfg->kf_min_dist,
153 width, "kf_max_dist:", cfg->kf_max_dist);
154 av_log(avctx, level, "\n");
155}
156
157static void coded_frame_add(void *list, struct FrameListData *cx_frame)
158{
159 struct FrameListData **p = list;
160
161 while (*p != NULL)
162 p = &(*p)->next;
163 *p = cx_frame;
164 cx_frame->next = NULL;
165}
166
167static av_cold void free_coded_frame(struct FrameListData *cx_frame)
168{
169 av_freep(&cx_frame->buf);
170 av_freep(&cx_frame);
171}
172
173static av_cold void free_frame_list(struct FrameListData *list)
174{
175 struct FrameListData *p = list;
176
177 while (p) {
178 list = list->next;
179 free_coded_frame(p);
180 p = list;
181 }
182}
183
184static av_cold int codecctl_int(AVCodecContext *avctx,
185 enum vp8e_enc_control_id id, int val)
186{
187 VP8Context *ctx = avctx->priv_data;
188 char buf[80];
189 int width = -30;
190 int res;
191
192 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
193 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
194
195 res = vpx_codec_control(&ctx->encoder, id, val);
196 if (res != VPX_CODEC_OK) {
197 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
198 ctlidstr[id]);
199 log_encoder_error(avctx, buf);
200 }
201
202 return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
203}
204
205static av_cold int vp8_free(AVCodecContext *avctx)
206{
207 VP8Context *ctx = avctx->priv_data;
208
209 vpx_codec_destroy(&ctx->encoder);
210 av_freep(&ctx->twopass_stats.buf);
211 av_freep(&avctx->coded_frame);
212 av_freep(&avctx->stats_out);
213 free_frame_list(ctx->coded_frame_list);
214 return 0;
215}
216
217static av_cold int vp8_init(AVCodecContext *avctx)
218{
219 VP8Context *ctx = avctx->priv_data;
220 const struct vpx_codec_iface *iface = &vpx_codec_vp8_cx_algo;
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221 struct vpx_codec_enc_cfg enccfg;
222 int res;
223
224 av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
225 av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
226
227 if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) {
228 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
229 vpx_codec_err_to_string(res));
230 return AVERROR(EINVAL);
231 }
232 dump_enc_cfg(avctx, &enccfg);
233
234 enccfg.g_w = avctx->width;
235 enccfg.g_h = avctx->height;
236 enccfg.g_timebase.num = avctx->time_base.num;
237 enccfg.g_timebase.den = avctx->time_base.den;
238 enccfg.g_threads = avctx->thread_count;
239
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240 if (ctx->lag_in_frames >= 0)
241 enccfg.g_lag_in_frames = ctx->lag_in_frames;
242
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243 if (avctx->flags & CODEC_FLAG_PASS1)
244 enccfg.g_pass = VPX_RC_FIRST_PASS;
245 else if (avctx->flags & CODEC_FLAG_PASS2)
246 enccfg.g_pass = VPX_RC_LAST_PASS;
247 else
248 enccfg.g_pass = VPX_RC_ONE_PASS;
249
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250 if (!avctx->bit_rate)
251 avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
252 else
253 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
254 AV_ROUND_NEAR_INF);
255
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256 if (ctx->crf)
257 enccfg.rc_end_usage = VPX_CQ;
258 else if (avctx->rc_min_rate == avctx->rc_max_rate &&
259 avctx->rc_min_rate == avctx->bit_rate)
ee0e9146 260 enccfg.rc_end_usage = VPX_CBR;
4aa3d7b3 261
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262 if (avctx->qmin > 0)
263 enccfg.rc_min_quantizer = avctx->qmin;
264 if (avctx->qmax > 0)
265 enccfg.rc_max_quantizer = avctx->qmax;
00ce2cbe 266 enccfg.rc_dropframe_thresh = avctx->frame_skip_threshold;
ee0e9146 267
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268 //0-100 (0 => CBR, 100 => VBR)
269 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
270 enccfg.rc_2pass_vbr_minsection_pct =
9d845ca4 271 avctx->rc_min_rate * 100LL / avctx->bit_rate;
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272 if (avctx->rc_max_rate)
273 enccfg.rc_2pass_vbr_maxsection_pct =
9d845ca4 274 avctx->rc_max_rate * 100LL / avctx->bit_rate;
7eb185e0 275
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276 if (avctx->rc_buffer_size)
277 enccfg.rc_buf_sz =
9d845ca4 278 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
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279 if (avctx->rc_initial_buffer_occupancy)
280 enccfg.rc_buf_initial_sz =
9d845ca4 281 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
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282 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
283
07777c2d 284 //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
6450f26c 285 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
ee0e9146 286 enccfg.kf_min_dist = avctx->keyint_min;
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287 if (avctx->gop_size >= 0)
288 enccfg.kf_max_dist = avctx->gop_size;
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289
290 if (enccfg.g_pass == VPX_RC_FIRST_PASS)
291 enccfg.g_lag_in_frames = 0;
292 else if (enccfg.g_pass == VPX_RC_LAST_PASS) {
293 int decode_size;
294
295 if (!avctx->stats_in) {
296 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
297 return AVERROR_INVALIDDATA;
298 }
299
300 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
301 ctx->twopass_stats.buf = av_malloc(ctx->twopass_stats.sz);
302 if (!ctx->twopass_stats.buf) {
303 av_log(avctx, AV_LOG_ERROR,
304 "Stat buffer alloc (%zu bytes) failed\n",
305 ctx->twopass_stats.sz);
306 return AVERROR(ENOMEM);
307 }
308 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
309 ctx->twopass_stats.sz);
310 if (decode_size < 0) {
311 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
312 return AVERROR_INVALIDDATA;
313 }
314
315 ctx->twopass_stats.sz = decode_size;
316 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
317 }
318
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319 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
320 complexity playback on low powered devices at the expense of encode
321 quality. */
322 if (avctx->profile != FF_PROFILE_UNKNOWN)
323 enccfg.g_profile = avctx->profile;
ee0e9146 324
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325 enccfg.g_error_resilient = ctx->error_resilient;
326
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327 dump_enc_cfg(avctx, &enccfg);
328 /* Construct Encoder Context */
329 res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, 0);
330 if (res != VPX_CODEC_OK) {
331 log_encoder_error(avctx, "Failed to initialize encoder");
332 return AVERROR(EINVAL);
333 }
334
335 //codec control failures are currently treated only as warnings
336 av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n");
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337 if (ctx->cpu_used != INT_MIN)
338 codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used);
339 if (ctx->auto_alt_ref >= 0)
340 codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
341 if (ctx->arnr_max_frames >= 0)
342 codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
343 if (ctx->arnr_strength >= 0)
344 codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength);
345 if (ctx->arnr_type >= 0)
346 codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type);
ee0e9146 347 codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction);
2aa72ecc 348 codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
88aa2159 349 codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, avctx->mb_threshold);
12776d5d 350 codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
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351
352 //provide dummy value to initialize wrapper, values will be updated each _encode()
353 vpx_img_wrap(&ctx->rawimg, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
354 (unsigned char*)1);
355
356 avctx->coded_frame = avcodec_alloc_frame();
357 if (!avctx->coded_frame) {
358 av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n");
359 vp8_free(avctx);
360 return AVERROR(ENOMEM);
361 }
362 return 0;
363}
364
365static inline void cx_pktcpy(struct FrameListData *dst,
366 const struct vpx_codec_cx_pkt *src)
367{
368 dst->pts = src->data.frame.pts;
369 dst->duration = src->data.frame.duration;
370 dst->flags = src->data.frame.flags;
371 dst->sz = src->data.frame.sz;
372 dst->buf = src->data.frame.buf;
373}
374
375/**
d8f3365f 376 * Store coded frame information in format suitable for return from encode2().
ee0e9146 377 *
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378 * Write information from @a cx_frame to @a pkt
379 * @return packet data size on success
380 * @return a negative AVERROR on error
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381 */
382static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
d8f3365f 383 AVPacket *pkt, AVFrame *coded_frame)
ee0e9146 384{
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385 int ret = ff_alloc_packet(pkt, cx_frame->sz);
386 if (ret >= 0) {
387 memcpy(pkt->data, cx_frame->buf, pkt->size);
388 pkt->pts = pkt->dts = cx_frame->pts;
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389 coded_frame->pts = cx_frame->pts;
390 coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY);
391
d8f3365f 392 if (coded_frame->key_frame) {
975a1447 393 coded_frame->pict_type = AV_PICTURE_TYPE_I;
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394 pkt->flags |= AV_PKT_FLAG_KEY;
395 } else
975a1447 396 coded_frame->pict_type = AV_PICTURE_TYPE_P;
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397 } else {
398 av_log(avctx, AV_LOG_ERROR,
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399 "Error getting output packet of size %zu.\n", cx_frame->sz);
400 return ret;
ee0e9146 401 }
d8f3365f 402 return pkt->size;
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403}
404
405/**
406 * Queue multiple output frames from the encoder, returning the front-most.
407 * In cases where vpx_codec_get_cx_data() returns more than 1 frame append
408 * the frame queue. Return the head frame if available.
409 * @return Stored frame size
410 * @return AVERROR(EINVAL) on output size error
411 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
412 */
d8f3365f 413static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out,
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414 AVFrame *coded_frame)
415{
416 VP8Context *ctx = avctx->priv_data;
417 const struct vpx_codec_cx_pkt *pkt;
418 const void *iter = NULL;
419 int size = 0;
420
421 if (ctx->coded_frame_list) {
422 struct FrameListData *cx_frame = ctx->coded_frame_list;
423 /* return the leading frame if we've already begun queueing */
d8f3365f 424 size = storeframe(avctx, cx_frame, pkt_out, coded_frame);
ee0e9146 425 if (size < 0)
d8f3365f 426 return size;
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427 ctx->coded_frame_list = cx_frame->next;
428 free_coded_frame(cx_frame);
429 }
430
431 /* consume all available output from the encoder before returning. buffers
432 are only good through the next vpx_codec call */
433 while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter))) {
434 switch (pkt->kind) {
435 case VPX_CODEC_CX_FRAME_PKT:
436 if (!size) {
437 struct FrameListData cx_frame;
438
439 /* avoid storing the frame when the list is empty and we haven't yet
440 provided a frame for output */
441 assert(!ctx->coded_frame_list);
442 cx_pktcpy(&cx_frame, pkt);
d8f3365f 443 size = storeframe(avctx, &cx_frame, pkt_out, coded_frame);
ee0e9146 444 if (size < 0)
d8f3365f 445 return size;
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446 } else {
447 struct FrameListData *cx_frame =
448 av_malloc(sizeof(struct FrameListData));
449
450 if (!cx_frame) {
451 av_log(avctx, AV_LOG_ERROR,
452 "Frame queue element alloc failed\n");
453 return AVERROR(ENOMEM);
454 }
455 cx_pktcpy(cx_frame, pkt);
456 cx_frame->buf = av_malloc(cx_frame->sz);
457
458 if (!cx_frame->buf) {
459 av_log(avctx, AV_LOG_ERROR,
460 "Data buffer alloc (%zu bytes) failed\n",
461 cx_frame->sz);
462 return AVERROR(ENOMEM);
463 }
464 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
465 coded_frame_add(&ctx->coded_frame_list, cx_frame);
466 }
467 break;
468 case VPX_CODEC_STATS_PKT: {
469 struct vpx_fixed_buf *stats = &ctx->twopass_stats;
470 stats->buf = av_realloc(stats->buf,
471 stats->sz + pkt->data.twopass_stats.sz);
472 if (!stats->buf) {
473 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
474 return AVERROR(ENOMEM);
475 }
476 memcpy((uint8_t*)stats->buf + stats->sz,
477 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
478 stats->sz += pkt->data.twopass_stats.sz;
479 break;
480 }
481 case VPX_CODEC_PSNR_PKT: //FIXME add support for CODEC_FLAG_PSNR
482 case VPX_CODEC_CUSTOM_PKT:
483 //ignore unsupported/unrecognized packet types
484 break;
485 }
486 }
487
488 return size;
489}
490
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491static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
492 const AVFrame *frame, int *got_packet)
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493{
494 VP8Context *ctx = avctx->priv_data;
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495 struct vpx_image *rawimg = NULL;
496 int64_t timestamp = 0;
497 int res, coded_size;
774e6fc9 498 vpx_enc_frame_flags_t flags = 0;
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499
500 if (frame) {
501 rawimg = &ctx->rawimg;
502 rawimg->planes[VPX_PLANE_Y] = frame->data[0];
503 rawimg->planes[VPX_PLANE_U] = frame->data[1];
504 rawimg->planes[VPX_PLANE_V] = frame->data[2];
505 rawimg->stride[VPX_PLANE_Y] = frame->linesize[0];
506 rawimg->stride[VPX_PLANE_U] = frame->linesize[1];
507 rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
508 timestamp = frame->pts;
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509 if (frame->pict_type == AV_PICTURE_TYPE_I)
510 flags |= VPX_EFLAG_FORCE_KF;
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511 }
512
513 res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
774e6fc9 514 avctx->ticks_per_frame, flags, ctx->deadline);
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515 if (res != VPX_CODEC_OK) {
516 log_encoder_error(avctx, "Error encoding frame");
517 return AVERROR_INVALIDDATA;
518 }
d8f3365f 519 coded_size = queue_frames(avctx, pkt, avctx->coded_frame);
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520
521 if (!frame && avctx->flags & CODEC_FLAG_PASS1) {
082a0a33 522 unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
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523
524 avctx->stats_out = av_malloc(b64_size);
525 if (!avctx->stats_out) {
526 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n",
527 b64_size);
528 return AVERROR(ENOMEM);
529 }
530 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
531 ctx->twopass_stats.sz);
532 }
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533
534 *got_packet = !!coded_size;
535 return 0;
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536}
537
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538#define OFFSET(x) offsetof(VP8Context, x)
539#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
540static const AVOption options[] = {
e6153f17 541 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = INT_MIN}, INT_MIN, INT_MAX, VE},
e3eb015b 542 { "auto-alt-ref", "Enable use of alternate reference "
e6153f17 543 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
e3eb015b 544 { "lag-in-frames", "Number of frames to look ahead for "
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MS
545 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
546 { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
547 { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
548 { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"},
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549 { "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" },
550 { "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" },
551 { "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" },
e6153f17 552 { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"},
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MS
553 { "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"},
554 { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"},
555 { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"},
d58dd4b5 556 { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
24ec9ac4 557#ifdef VPX_ERROR_RESILIENT_DEFAULT
124134e4 558 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
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559 { "partitions", "The frame partitions are independently decodable "
560 "by the bool decoder, meaning that partitions can be decoded even "
561 "though earlier partitions have been lost. Note that intra predicition"
124134e4 562 " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"},
24ec9ac4 563#endif
12776d5d 564 { "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE },
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565 { NULL }
566};
567
568static const AVClass class = {
569 .class_name = "libvpx encoder",
570 .item_name = av_default_item_name,
571 .option = options,
572 .version = LIBAVUTIL_VERSION_INT,
573};
574
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575static const AVCodecDefault defaults[] = {
576 { "qmin", "-1" },
577 { "qmax", "-1" },
578 { "g", "-1" },
579 { "keyint_min", "-1" },
580 { NULL },
581};
582
d36beb3f 583AVCodec ff_libvpx_encoder = {
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584 .name = "libvpx",
585 .type = AVMEDIA_TYPE_VIDEO,
36ef5369 586 .id = AV_CODEC_ID_VP8,
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587 .priv_data_size = sizeof(VP8Context),
588 .init = vp8_init,
d8f3365f 589 .encode2 = vp8_encode,
ec6402b7 590 .close = vp8_free,
f6a152db 591 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
716d413c 592 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
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MS
593 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
594 .priv_class = &class,
6450f26c 595 .defaults = defaults,
ee0e9146 596};