00001 /* 00002 * Copyright (c) 2010, Google, Inc. 00003 * 00004 * This file is part of FFmpeg. 00005 * 00006 * FFmpeg is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * FFmpeg is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with FFmpeg; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00026 #define VPX_DISABLE_CTRL_TYPECHECKS 1 00027 #define VPX_CODEC_DISABLE_COMPAT 1 00028 #include <vpx/vpx_encoder.h> 00029 #include <vpx/vp8cx.h> 00030 00031 #include "avcodec.h" 00032 #include "internal.h" 00033 #include "libavutil/base64.h" 00034 #include "libavutil/mathematics.h" 00035 #include "libavutil/opt.h" 00036 00041 struct FrameListData { 00042 void *buf; 00043 size_t sz; 00044 int64_t pts; 00046 unsigned long duration; 00048 uint32_t flags; 00049 struct FrameListData *next; 00050 }; 00051 00052 typedef struct VP8EncoderContext { 00053 AVClass *class; 00054 struct vpx_codec_ctx encoder; 00055 struct vpx_image rawimg; 00056 struct vpx_fixed_buf twopass_stats; 00057 int deadline; //i.e., RT/GOOD/BEST 00058 struct FrameListData *coded_frame_list; 00059 00060 int cpu_used; 00064 int flags; 00065 #define VP8F_ERROR_RESILIENT 0x00000001 00066 #define VP8F_AUTO_ALT_REF 0x00000002 00067 00068 int auto_alt_ref; 00069 00070 int arnr_max_frames; 00071 int arnr_strength; 00072 int arnr_type; 00073 00074 int lag_in_frames; 00075 int error_resilient; 00076 int crf; 00077 } VP8Context; 00078 00080 static const char *ctlidstr[] = { 00081 [VP8E_UPD_ENTROPY] = "VP8E_UPD_ENTROPY", 00082 [VP8E_UPD_REFERENCE] = "VP8E_UPD_REFERENCE", 00083 [VP8E_USE_REFERENCE] = "VP8E_USE_REFERENCE", 00084 [VP8E_SET_ROI_MAP] = "VP8E_SET_ROI_MAP", 00085 [VP8E_SET_ACTIVEMAP] = "VP8E_SET_ACTIVEMAP", 00086 [VP8E_SET_SCALEMODE] = "VP8E_SET_SCALEMODE", 00087 [VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED", 00088 [VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF", 00089 [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY", 00090 [VP8E_SET_SHARPNESS] = "VP8E_SET_SHARPNESS", 00091 [VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD", 00092 [VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS", 00093 [VP8E_GET_LAST_QUANTIZER] = "VP8E_GET_LAST_QUANTIZER", 00094 [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES", 00095 [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH", 00096 [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE", 00097 [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL", 00098 }; 00099 00100 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc) 00101 { 00102 VP8Context *ctx = avctx->priv_data; 00103 const char *error = vpx_codec_error(&ctx->encoder); 00104 const char *detail = vpx_codec_error_detail(&ctx->encoder); 00105 00106 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error); 00107 if (detail) 00108 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail); 00109 } 00110 00111 static av_cold void dump_enc_cfg(AVCodecContext *avctx, 00112 const struct vpx_codec_enc_cfg *cfg) 00113 { 00114 int width = -30; 00115 int level = AV_LOG_DEBUG; 00116 00117 av_log(avctx, level, "vpx_codec_enc_cfg\n"); 00118 av_log(avctx, level, "generic settings\n" 00119 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n" 00120 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n", 00121 width, "g_usage:", cfg->g_usage, 00122 width, "g_threads:", cfg->g_threads, 00123 width, "g_profile:", cfg->g_profile, 00124 width, "g_w:", cfg->g_w, 00125 width, "g_h:", cfg->g_h, 00126 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den, 00127 width, "g_error_resilient:", cfg->g_error_resilient, 00128 width, "g_pass:", cfg->g_pass, 00129 width, "g_lag_in_frames:", cfg->g_lag_in_frames); 00130 av_log(avctx, level, "rate control settings\n" 00131 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n" 00132 " %*s%d\n %*s%p(%zu)\n %*s%u\n", 00133 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh, 00134 width, "rc_resize_allowed:", cfg->rc_resize_allowed, 00135 width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh, 00136 width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh, 00137 width, "rc_end_usage:", cfg->rc_end_usage, 00138 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz, 00139 width, "rc_target_bitrate:", cfg->rc_target_bitrate); 00140 av_log(avctx, level, "quantizer settings\n" 00141 " %*s%u\n %*s%u\n", 00142 width, "rc_min_quantizer:", cfg->rc_min_quantizer, 00143 width, "rc_max_quantizer:", cfg->rc_max_quantizer); 00144 av_log(avctx, level, "bitrate tolerance\n" 00145 " %*s%u\n %*s%u\n", 00146 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct, 00147 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct); 00148 av_log(avctx, level, "decoder buffer model\n" 00149 " %*s%u\n %*s%u\n %*s%u\n", 00150 width, "rc_buf_sz:", cfg->rc_buf_sz, 00151 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz, 00152 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz); 00153 av_log(avctx, level, "2 pass rate control settings\n" 00154 " %*s%u\n %*s%u\n %*s%u\n", 00155 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct, 00156 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct, 00157 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct); 00158 av_log(avctx, level, "keyframing settings\n" 00159 " %*s%d\n %*s%u\n %*s%u\n", 00160 width, "kf_mode:", cfg->kf_mode, 00161 width, "kf_min_dist:", cfg->kf_min_dist, 00162 width, "kf_max_dist:", cfg->kf_max_dist); 00163 av_log(avctx, level, "\n"); 00164 } 00165 00166 static void coded_frame_add(void *list, struct FrameListData *cx_frame) 00167 { 00168 struct FrameListData **p = list; 00169 00170 while (*p != NULL) 00171 p = &(*p)->next; 00172 *p = cx_frame; 00173 cx_frame->next = NULL; 00174 } 00175 00176 static av_cold void free_coded_frame(struct FrameListData *cx_frame) 00177 { 00178 av_freep(&cx_frame->buf); 00179 av_freep(&cx_frame); 00180 } 00181 00182 static av_cold void free_frame_list(struct FrameListData *list) 00183 { 00184 struct FrameListData *p = list; 00185 00186 while (p) { 00187 list = list->next; 00188 free_coded_frame(p); 00189 p = list; 00190 } 00191 } 00192 00193 static av_cold int codecctl_int(AVCodecContext *avctx, 00194 enum vp8e_enc_control_id id, int val) 00195 { 00196 VP8Context *ctx = avctx->priv_data; 00197 char buf[80]; 00198 int width = -30; 00199 int res; 00200 00201 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]); 00202 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val); 00203 00204 res = vpx_codec_control(&ctx->encoder, id, val); 00205 if (res != VPX_CODEC_OK) { 00206 snprintf(buf, sizeof(buf), "Failed to set %s codec control", 00207 ctlidstr[id]); 00208 log_encoder_error(avctx, buf); 00209 } 00210 00211 return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL); 00212 } 00213 00214 static av_cold int vp8_free(AVCodecContext *avctx) 00215 { 00216 VP8Context *ctx = avctx->priv_data; 00217 00218 vpx_codec_destroy(&ctx->encoder); 00219 av_freep(&ctx->twopass_stats.buf); 00220 av_freep(&avctx->coded_frame); 00221 av_freep(&avctx->stats_out); 00222 free_frame_list(ctx->coded_frame_list); 00223 return 0; 00224 } 00225 00226 static av_cold int vp8_init(AVCodecContext *avctx) 00227 { 00228 VP8Context *ctx = avctx->priv_data; 00229 const struct vpx_codec_iface *iface = &vpx_codec_vp8_cx_algo; 00230 struct vpx_codec_enc_cfg enccfg; 00231 int res; 00232 00233 av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str()); 00234 av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config()); 00235 00236 if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) { 00237 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n", 00238 vpx_codec_err_to_string(res)); 00239 return AVERROR(EINVAL); 00240 } 00241 dump_enc_cfg(avctx, &enccfg); 00242 00243 enccfg.g_w = avctx->width; 00244 enccfg.g_h = avctx->height; 00245 enccfg.g_timebase.num = avctx->time_base.num; 00246 enccfg.g_timebase.den = avctx->time_base.den; 00247 enccfg.g_threads = avctx->thread_count; 00248 #if FF_API_X264_GLOBAL_OPTS 00249 if(avctx->rc_lookahead >= 0) 00250 enccfg.g_lag_in_frames= FFMIN(avctx->rc_lookahead, 25); //0-25, avoids init failure 00251 if (ctx->lag_in_frames >= 0) 00252 enccfg.g_lag_in_frames = ctx->lag_in_frames; 00253 #else 00254 enccfg.g_lag_in_frames= ctx->lag_in_frames; 00255 #endif 00256 00257 if (avctx->flags & CODEC_FLAG_PASS1) 00258 enccfg.g_pass = VPX_RC_FIRST_PASS; 00259 else if (avctx->flags & CODEC_FLAG_PASS2) 00260 enccfg.g_pass = VPX_RC_LAST_PASS; 00261 else 00262 enccfg.g_pass = VPX_RC_ONE_PASS; 00263 00264 if (avctx->rc_min_rate == avctx->rc_max_rate && 00265 avctx->rc_min_rate == avctx->bit_rate) 00266 enccfg.rc_end_usage = VPX_CBR; 00267 #if FF_API_X264_GLOBAL_OPTS 00268 else if (avctx->crf || ctx->crf > 0) 00269 #else 00270 else if (ctx->crf) 00271 #endif 00272 enccfg.rc_end_usage = VPX_CQ; 00273 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000, 00274 AV_ROUND_NEAR_INF); 00275 if (avctx->qmin > 0) 00276 enccfg.rc_min_quantizer = avctx->qmin; 00277 if (avctx->qmax > 0) 00278 enccfg.rc_max_quantizer = avctx->qmax; 00279 enccfg.rc_dropframe_thresh = avctx->frame_skip_threshold; 00280 00281 //0-100 (0 => CBR, 100 => VBR) 00282 enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100); 00283 enccfg.rc_2pass_vbr_minsection_pct = 00284 avctx->rc_min_rate * 100LL / avctx->bit_rate; 00285 if (avctx->rc_max_rate) 00286 enccfg.rc_2pass_vbr_maxsection_pct = 00287 avctx->rc_max_rate * 100LL / avctx->bit_rate; 00288 00289 if (avctx->rc_buffer_size) 00290 enccfg.rc_buf_sz = 00291 avctx->rc_buffer_size * 1000LL / avctx->bit_rate; 00292 if (avctx->rc_initial_buffer_occupancy) 00293 enccfg.rc_buf_initial_sz = 00294 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate; 00295 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6; 00296 enccfg.rc_undershoot_pct = round(avctx->rc_buffer_aggressivity * 100); 00297 00298 //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO 00299 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size) 00300 enccfg.kf_min_dist = avctx->keyint_min; 00301 if (avctx->gop_size >= 0) 00302 enccfg.kf_max_dist = avctx->gop_size; 00303 00304 if (enccfg.g_pass == VPX_RC_FIRST_PASS) 00305 enccfg.g_lag_in_frames = 0; 00306 else if (enccfg.g_pass == VPX_RC_LAST_PASS) { 00307 int decode_size; 00308 00309 if (!avctx->stats_in) { 00310 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n"); 00311 return AVERROR_INVALIDDATA; 00312 } 00313 00314 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4; 00315 ctx->twopass_stats.buf = av_malloc(ctx->twopass_stats.sz); 00316 if (!ctx->twopass_stats.buf) { 00317 av_log(avctx, AV_LOG_ERROR, 00318 "Stat buffer alloc (%zu bytes) failed\n", 00319 ctx->twopass_stats.sz); 00320 return AVERROR(ENOMEM); 00321 } 00322 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in, 00323 ctx->twopass_stats.sz); 00324 if (decode_size < 0) { 00325 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n"); 00326 return AVERROR_INVALIDDATA; 00327 } 00328 00329 ctx->twopass_stats.sz = decode_size; 00330 enccfg.rc_twopass_stats_in = ctx->twopass_stats; 00331 } 00332 00333 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced 00334 complexity playback on low powered devices at the expense of encode 00335 quality. */ 00336 if (avctx->profile != FF_PROFILE_UNKNOWN) 00337 enccfg.g_profile = avctx->profile; 00338 00339 enccfg.g_error_resilient = ctx->error_resilient || ctx->flags & VP8F_ERROR_RESILIENT; 00340 00341 dump_enc_cfg(avctx, &enccfg); 00342 /* Construct Encoder Context */ 00343 res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, 0); 00344 if (res != VPX_CODEC_OK) { 00345 log_encoder_error(avctx, "Failed to initialize encoder"); 00346 return AVERROR(EINVAL); 00347 } 00348 00349 //codec control failures are currently treated only as warnings 00350 av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n"); 00351 if (ctx->cpu_used != INT_MIN) 00352 codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used); 00353 if (ctx->flags & VP8F_AUTO_ALT_REF) 00354 ctx->auto_alt_ref = 1; 00355 if (ctx->auto_alt_ref >= 0) 00356 codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref); 00357 if (ctx->arnr_max_frames >= 0) 00358 codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames); 00359 if (ctx->arnr_strength >= 0) 00360 codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength); 00361 if (ctx->arnr_type >= 0) 00362 codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type); 00363 codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction); 00364 codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices)); 00365 codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, avctx->mb_threshold); 00366 #if FF_API_X264_GLOBAL_OPTS 00367 codecctl_int(avctx, VP8E_SET_CQ_LEVEL, (int)avctx->crf); 00368 if (ctx->crf >= 0) 00369 codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf); 00370 #else 00371 codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf); 00372 #endif 00373 00374 av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline); 00375 00376 //provide dummy value to initialize wrapper, values will be updated each _encode() 00377 vpx_img_wrap(&ctx->rawimg, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1, 00378 (unsigned char*)1); 00379 00380 avctx->coded_frame = avcodec_alloc_frame(); 00381 if (!avctx->coded_frame) { 00382 av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n"); 00383 vp8_free(avctx); 00384 return AVERROR(ENOMEM); 00385 } 00386 return 0; 00387 } 00388 00389 static inline void cx_pktcpy(struct FrameListData *dst, 00390 const struct vpx_codec_cx_pkt *src) 00391 { 00392 dst->pts = src->data.frame.pts; 00393 dst->duration = src->data.frame.duration; 00394 dst->flags = src->data.frame.flags; 00395 dst->sz = src->data.frame.sz; 00396 dst->buf = src->data.frame.buf; 00397 } 00398 00407 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame, 00408 uint8_t *buf, int buf_size, AVFrame *coded_frame) 00409 { 00410 if ((int) cx_frame->sz <= buf_size) { 00411 buf_size = cx_frame->sz; 00412 memcpy(buf, cx_frame->buf, buf_size); 00413 coded_frame->pts = cx_frame->pts; 00414 coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY); 00415 00416 if (coded_frame->key_frame) 00417 coded_frame->pict_type = AV_PICTURE_TYPE_I; 00418 else 00419 coded_frame->pict_type = AV_PICTURE_TYPE_P; 00420 } else { 00421 av_log(avctx, AV_LOG_ERROR, 00422 "Compressed frame larger than storage provided! (%zu/%d)\n", 00423 cx_frame->sz, buf_size); 00424 return AVERROR(EINVAL); 00425 } 00426 return buf_size; 00427 } 00428 00437 static int queue_frames(AVCodecContext *avctx, uint8_t *buf, int buf_size, 00438 AVFrame *coded_frame) 00439 { 00440 VP8Context *ctx = avctx->priv_data; 00441 const struct vpx_codec_cx_pkt *pkt; 00442 const void *iter = NULL; 00443 int size = 0; 00444 00445 if (ctx->coded_frame_list) { 00446 struct FrameListData *cx_frame = ctx->coded_frame_list; 00447 /* return the leading frame if we've already begun queueing */ 00448 size = storeframe(avctx, cx_frame, buf, buf_size, coded_frame); 00449 if (size < 0) 00450 return AVERROR(EINVAL); 00451 ctx->coded_frame_list = cx_frame->next; 00452 free_coded_frame(cx_frame); 00453 } 00454 00455 /* consume all available output from the encoder before returning. buffers 00456 are only good through the next vpx_codec call */ 00457 while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter))) { 00458 switch (pkt->kind) { 00459 case VPX_CODEC_CX_FRAME_PKT: 00460 if (!size) { 00461 struct FrameListData cx_frame; 00462 00463 /* avoid storing the frame when the list is empty and we haven't yet 00464 provided a frame for output */ 00465 assert(!ctx->coded_frame_list); 00466 cx_pktcpy(&cx_frame, pkt); 00467 size = storeframe(avctx, &cx_frame, buf, buf_size, coded_frame); 00468 if (size < 0) 00469 return AVERROR(EINVAL); 00470 } else { 00471 struct FrameListData *cx_frame = 00472 av_malloc(sizeof(struct FrameListData)); 00473 00474 if (!cx_frame) { 00475 av_log(avctx, AV_LOG_ERROR, 00476 "Frame queue element alloc failed\n"); 00477 return AVERROR(ENOMEM); 00478 } 00479 cx_pktcpy(cx_frame, pkt); 00480 cx_frame->buf = av_malloc(cx_frame->sz); 00481 00482 if (!cx_frame->buf) { 00483 av_log(avctx, AV_LOG_ERROR, 00484 "Data buffer alloc (%zu bytes) failed\n", 00485 cx_frame->sz); 00486 av_free(cx_frame); 00487 return AVERROR(ENOMEM); 00488 } 00489 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz); 00490 coded_frame_add(&ctx->coded_frame_list, cx_frame); 00491 } 00492 break; 00493 case VPX_CODEC_STATS_PKT: { 00494 struct vpx_fixed_buf *stats = &ctx->twopass_stats; 00495 stats->buf = av_realloc_f(stats->buf, 1, 00496 stats->sz + pkt->data.twopass_stats.sz); 00497 if (!stats->buf) { 00498 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n"); 00499 return AVERROR(ENOMEM); 00500 } 00501 memcpy((uint8_t*)stats->buf + stats->sz, 00502 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz); 00503 stats->sz += pkt->data.twopass_stats.sz; 00504 break; 00505 } 00506 case VPX_CODEC_PSNR_PKT: //FIXME add support for CODEC_FLAG_PSNR 00507 case VPX_CODEC_CUSTOM_PKT: 00508 //ignore unsupported/unrecognized packet types 00509 break; 00510 } 00511 } 00512 00513 return size; 00514 } 00515 00516 static int vp8_encode(AVCodecContext *avctx, uint8_t *buf, int buf_size, 00517 void *data) 00518 { 00519 VP8Context *ctx = avctx->priv_data; 00520 AVFrame *frame = data; 00521 struct vpx_image *rawimg = NULL; 00522 int64_t timestamp = 0; 00523 int res, coded_size; 00524 00525 if (frame) { 00526 rawimg = &ctx->rawimg; 00527 rawimg->planes[VPX_PLANE_Y] = frame->data[0]; 00528 rawimg->planes[VPX_PLANE_U] = frame->data[1]; 00529 rawimg->planes[VPX_PLANE_V] = frame->data[2]; 00530 rawimg->stride[VPX_PLANE_Y] = frame->linesize[0]; 00531 rawimg->stride[VPX_PLANE_U] = frame->linesize[1]; 00532 rawimg->stride[VPX_PLANE_V] = frame->linesize[2]; 00533 timestamp = frame->pts; 00534 } 00535 00536 res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp, 00537 avctx->ticks_per_frame, 0, ctx->deadline); 00538 if (res != VPX_CODEC_OK) { 00539 log_encoder_error(avctx, "Error encoding frame"); 00540 return AVERROR_INVALIDDATA; 00541 } 00542 coded_size = queue_frames(avctx, buf, buf_size, avctx->coded_frame); 00543 00544 if (!frame && avctx->flags & CODEC_FLAG_PASS1) { 00545 unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz); 00546 00547 avctx->stats_out = av_malloc(b64_size); 00548 if (!avctx->stats_out) { 00549 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n", 00550 b64_size); 00551 return AVERROR(ENOMEM); 00552 } 00553 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf, 00554 ctx->twopass_stats.sz); 00555 } 00556 return coded_size; 00557 } 00558 00559 #define OFFSET(x) offsetof(VP8Context, x) 00560 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM 00561 static const AVOption options[] = { 00562 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {INT_MIN}, INT_MIN, INT_MAX, VE}, 00563 { "auto-alt-ref", "Enable use of alternate reference " 00564 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {-1}, -1, 1, VE}, 00565 { "lag-in-frames", "Number of frames to look ahead for " 00566 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, 00567 { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, 00568 { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, 00569 { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE, "arnr_type"}, 00570 { "backward", NULL, 0, AV_OPT_TYPE_CONST, {1}, 0, 0, VE, "arnr_type" }, 00571 { "forward", NULL, 0, AV_OPT_TYPE_CONST, {2}, 0, 0, VE, "arnr_type" }, 00572 { "centered", NULL, 0, AV_OPT_TYPE_CONST, {3}, 0, 0, VE, "arnr_type" }, 00573 { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, 00574 { "best", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, 00575 { "good", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, 00576 { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_REALTIME}, 0, 0, VE, "quality"}, 00577 { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {0}, INT_MIN, INT_MAX, VE, "er"}, 00578 #ifdef VPX_ERROR_RESILIENT_DEFAULT 00579 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, 00580 { "partitions", "The frame partitions are independently decodable " 00581 "by the bool decoder, meaning that partitions can be decoded even " 00582 "though earlier partitions have been lost. Note that intra predicition" 00583 " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, 00584 #endif 00585 {"speed", "", offsetof(VP8Context, cpu_used), AV_OPT_TYPE_INT, {.dbl = 3}, -16, 16, VE}, 00586 {"quality", "", offsetof(VP8Context, deadline), AV_OPT_TYPE_INT, {.dbl = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, 00587 {"vp8flags", "", offsetof(VP8Context, flags), FF_OPT_TYPE_FLAGS, {.dbl = 0}, 0, UINT_MAX, VE, "flags"}, 00588 {"error_resilient", "enable error resilience", 0, FF_OPT_TYPE_CONST, {.dbl = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"}, 00589 {"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"}, 00590 {"arnr_max_frames", "altref noise reduction max frame count", offsetof(VP8Context, arnr_max_frames), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 15, VE}, 00591 {"arnr_strength", "altref noise reduction filter strength", offsetof(VP8Context, arnr_strength), AV_OPT_TYPE_INT, {.dbl = 3}, 0, 6, VE}, 00592 {"arnr_type", "altref noise reduction filter type", offsetof(VP8Context, arnr_type), AV_OPT_TYPE_INT, {.dbl = 3}, 1, 3, VE}, 00593 #if FF_API_X264_GLOBAL_OPTS 00594 {"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VP8Context, lag_in_frames), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 25, VE}, 00595 {"crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 63, VE}, 00596 #else 00597 {"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VP8Context, lag_in_frames), AV_OPT_TYPE_INT, {.dbl = 25}, 0, 25, VE}, 00598 {"crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 63, VE}, 00599 #endif 00600 {NULL} 00601 }; 00602 00603 static const AVClass class = { 00604 .class_name = "libvpx encoder", 00605 .item_name = av_default_item_name, 00606 .option = options, 00607 .version = LIBAVUTIL_VERSION_INT, 00608 }; 00609 00610 static const AVCodecDefault defaults[] = { 00611 { "qmin", "-1" }, 00612 { "qmax", "-1" }, 00613 { "g", "-1" }, 00614 { "keyint_min", "-1" }, 00615 { NULL }, 00616 }; 00617 00618 AVCodec ff_libvpx_encoder = { 00619 .name = "libvpx", 00620 .type = AVMEDIA_TYPE_VIDEO, 00621 .id = CODEC_ID_VP8, 00622 .priv_data_size = sizeof(VP8Context), 00623 .init = vp8_init, 00624 .encode = vp8_encode, 00625 .close = vp8_free, 00626 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS, 00627 .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, 00628 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"), 00629 .priv_class = &class, 00630 .defaults = defaults, 00631 };