diff options
Diffstat (limited to 'libavcodec/libvpxenc.c')
| -rw-r--r-- | libavcodec/libvpxenc.c | 265 |
1 files changed, 228 insertions, 37 deletions
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c index 0ecc2f913b..5f3c32a598 100644 --- a/libavcodec/libvpxenc.c +++ b/libavcodec/libvpxenc.c @@ -1,20 +1,20 @@ /* * Copyright (c) 2010, Google, Inc. * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -30,8 +30,10 @@ #include "avcodec.h" #include "internal.h" +#include "libavutil/avassert.h" #include "libavutil/base64.h" #include "libavutil/common.h" +#include "libavutil/intreadwrite.h" #include "libavutil/mathematics.h" #include "libavutil/opt.h" @@ -42,11 +44,16 @@ struct FrameListData { void *buf; /**< compressed data buffer */ size_t sz; /**< length of compressed data */ + void *buf_alpha; + size_t sz_alpha; int64_t pts; /**< time stamp to show frame (in timebase units) */ unsigned long duration; /**< duration to show frame (in timebase units) */ uint32_t flags; /**< flags for this frame */ + uint64_t sse[4]; + int have_sse; /**< true if we have pending sse[] */ + uint64_t frame_number; struct FrameListData *next; }; @@ -54,17 +61,34 @@ typedef struct VP8EncoderContext { AVClass *class; struct vpx_codec_ctx encoder; struct vpx_image rawimg; + struct vpx_codec_ctx encoder_alpha; + struct vpx_image rawimg_alpha; + uint8_t is_alpha; struct vpx_fixed_buf twopass_stats; - unsigned long deadline; //i.e., RT/GOOD/BEST + int deadline; //i.e., RT/GOOD/BEST + uint64_t sse[4]; + int have_sse; /**< true if we have pending sse[] */ + uint64_t frame_number; struct FrameListData *coded_frame_list; + int cpu_used; + /** + * VP8 specific flags, see VP8F_* below. + */ + int flags; +#define VP8F_ERROR_RESILIENT 0x00000001 ///< Enable measures appropriate for streaming over lossy links +#define VP8F_AUTO_ALT_REF 0x00000002 ///< Enable automatic alternate reference frame generation + int auto_alt_ref; + int arnr_max_frames; int arnr_strength; int arnr_type; + int lag_in_frames; int error_resilient; int crf; + int max_intra_rate; } VP8Context; /** String mappings for enum vp8e_enc_control_id */ @@ -86,6 +110,7 @@ static const char *const ctlidstr[] = { [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH", [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE", [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL", + [VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT", }; static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc) @@ -167,6 +192,8 @@ static void coded_frame_add(void *list, struct FrameListData *cx_frame) static av_cold void free_coded_frame(struct FrameListData *cx_frame) { av_freep(&cx_frame->buf); + if (cx_frame->buf_alpha) + av_freep(&cx_frame->buf_alpha); av_freep(&cx_frame); } @@ -207,6 +234,8 @@ static av_cold int vp8_free(AVCodecContext *avctx) VP8Context *ctx = avctx->priv_data; vpx_codec_destroy(&ctx->encoder); + if (ctx->is_alpha) + vpx_codec_destroy(&ctx->encoder_alpha); av_freep(&ctx->twopass_stats.buf); av_freep(&avctx->coded_frame); av_freep(&avctx->stats_out); @@ -219,16 +248,28 @@ static av_cold int vpx_init(AVCodecContext *avctx, { VP8Context *ctx = avctx->priv_data; struct vpx_codec_enc_cfg enccfg; + struct vpx_codec_enc_cfg enccfg_alpha; + vpx_codec_flags_t flags = (avctx->flags & CODEC_FLAG_PSNR) ? VPX_CODEC_USE_PSNR : 0; int res; av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str()); av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config()); + if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P) + ctx->is_alpha = 1; + if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) { av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n", vpx_codec_err_to_string(res)); return AVERROR(EINVAL); } + + if(!avctx->bit_rate) + if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) { + av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n"); + return AVERROR(EINVAL); + } + dump_enc_cfg(avctx, &enccfg); enccfg.g_w = avctx->width; @@ -236,9 +277,7 @@ static av_cold int vpx_init(AVCodecContext *avctx, enccfg.g_timebase.num = avctx->time_base.num; enccfg.g_timebase.den = avctx->time_base.den; enccfg.g_threads = avctx->thread_count; - - if (ctx->lag_in_frames >= 0) - enccfg.g_lag_in_frames = ctx->lag_in_frames; + enccfg.g_lag_in_frames= ctx->lag_in_frames; if (avctx->flags & CODEC_FLAG_PASS1) enccfg.g_pass = VPX_RC_FIRST_PASS; @@ -247,28 +286,47 @@ static av_cold int vpx_init(AVCodecContext *avctx, else enccfg.g_pass = VPX_RC_ONE_PASS; - if (!avctx->bit_rate) - avctx->bit_rate = enccfg.rc_target_bitrate * 1000; - else - enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000, - AV_ROUND_NEAR_INF); - - if (ctx->crf) - enccfg.rc_end_usage = VPX_CQ; - else if (avctx->rc_min_rate == avctx->rc_max_rate && - avctx->rc_min_rate == avctx->bit_rate) + if (avctx->rc_min_rate == avctx->rc_max_rate && + avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) enccfg.rc_end_usage = VPX_CBR; + else if (ctx->crf) + enccfg.rc_end_usage = VPX_CQ; + + if (avctx->bit_rate) { + enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000, + AV_ROUND_NEAR_INF); + } else { + if (enccfg.rc_end_usage == VPX_CQ) { + enccfg.rc_target_bitrate = 1000000; + } else { + avctx->bit_rate = enccfg.rc_target_bitrate * 1000; + av_log(avctx, AV_LOG_WARNING, + "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n", + enccfg.rc_target_bitrate); + } + } - if (avctx->qmin > 0) + if (avctx->qmin >= 0) enccfg.rc_min_quantizer = avctx->qmin; if (avctx->qmax > 0) enccfg.rc_max_quantizer = avctx->qmax; + + if (enccfg.rc_end_usage == VPX_CQ) { + if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) { + av_log(avctx, AV_LOG_ERROR, + "CQ level must be between minimum and maximum quantizer value (%d-%d)\n", + enccfg.rc_min_quantizer, enccfg.rc_max_quantizer); + return AVERROR(EINVAL); + } + } + enccfg.rc_dropframe_thresh = avctx->frame_skip_threshold; //0-100 (0 => CBR, 100 => VBR) enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100); - enccfg.rc_2pass_vbr_minsection_pct = - avctx->rc_min_rate * 100LL / avctx->bit_rate; + if (avctx->bit_rate) + enccfg.rc_2pass_vbr_minsection_pct = + avctx->rc_min_rate * 100LL / avctx->bit_rate; if (avctx->rc_max_rate) enccfg.rc_2pass_vbr_maxsection_pct = avctx->rc_max_rate * 100LL / avctx->bit_rate; @@ -280,6 +338,7 @@ static av_cold int vpx_init(AVCodecContext *avctx, enccfg.rc_buf_initial_sz = avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate; enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6; + enccfg.rc_undershoot_pct = round(avctx->rc_buffer_aggressivity * 100); //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size) @@ -322,20 +381,31 @@ static av_cold int vpx_init(AVCodecContext *avctx, if (avctx->profile != FF_PROFILE_UNKNOWN) enccfg.g_profile = avctx->profile; - enccfg.g_error_resilient = ctx->error_resilient; + enccfg.g_error_resilient = ctx->error_resilient || ctx->flags & VP8F_ERROR_RESILIENT; dump_enc_cfg(avctx, &enccfg); /* Construct Encoder Context */ - res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, 0); + res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, flags); if (res != VPX_CODEC_OK) { log_encoder_error(avctx, "Failed to initialize encoder"); return AVERROR(EINVAL); } + if (ctx->is_alpha) { + enccfg_alpha = enccfg; + res = vpx_codec_enc_init(&ctx->encoder_alpha, iface, &enccfg_alpha, flags); + if (res != VPX_CODEC_OK) { + log_encoder_error(avctx, "Failed to initialize alpha encoder"); + return AVERROR(EINVAL); + } + } + //codec control failures are currently treated only as warnings av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n"); if (ctx->cpu_used != INT_MIN) codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used); + if (ctx->flags & VP8F_AUTO_ALT_REF) + ctx->auto_alt_ref = 1; if (ctx->auto_alt_ref >= 0) codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref); if (ctx->arnr_max_frames >= 0) @@ -348,11 +418,19 @@ static av_cold int vpx_init(AVCodecContext *avctx, codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices)); codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, avctx->mb_threshold); codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf); + if (ctx->max_intra_rate >= 0) + codecctl_int(avctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, ctx->max_intra_rate); + + av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline); //provide dummy value to initialize wrapper, values will be updated each _encode() vpx_img_wrap(&ctx->rawimg, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1, (unsigned char*)1); + if (ctx->is_alpha) + vpx_img_wrap(&ctx->rawimg_alpha, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1, + (unsigned char*)1); + avctx->coded_frame = avcodec_alloc_frame(); if (!avctx->coded_frame) { av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n"); @@ -363,13 +441,39 @@ static av_cold int vpx_init(AVCodecContext *avctx, } static inline void cx_pktcpy(struct FrameListData *dst, - const struct vpx_codec_cx_pkt *src) + const struct vpx_codec_cx_pkt *src, + const struct vpx_codec_cx_pkt *src_alpha, + VP8Context *ctx) { dst->pts = src->data.frame.pts; dst->duration = src->data.frame.duration; dst->flags = src->data.frame.flags; dst->sz = src->data.frame.sz; dst->buf = src->data.frame.buf; + dst->have_sse = 0; + /* For alt-ref frame, don't store PSNR or increment frame_number */ + if (!(dst->flags & VPX_FRAME_IS_INVISIBLE)) { + dst->frame_number = ++ctx->frame_number; + dst->have_sse = ctx->have_sse; + if (ctx->have_sse) { + /* associate last-seen SSE to the frame. */ + /* Transfers ownership from ctx to dst. */ + /* WARNING! This makes the assumption that PSNR_PKT comes + just before the frame it refers to! */ + memcpy(dst->sse, ctx->sse, sizeof(dst->sse)); + ctx->have_sse = 0; + } + } else { + dst->frame_number = -1; /* sanity marker */ + } + if (src_alpha) { + dst->buf_alpha = src_alpha->data.frame.buf; + dst->sz_alpha = src_alpha->data.frame.sz; + } + else { + dst->buf_alpha = NULL; + dst->sz_alpha = 0; + } } /** @@ -382,7 +486,8 @@ static inline void cx_pktcpy(struct FrameListData *dst, static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame, AVPacket *pkt, AVFrame *coded_frame) { - int ret = ff_alloc_packet(pkt, cx_frame->sz); + int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz); + uint8_t *side_data; if (ret >= 0) { memcpy(pkt->data, cx_frame->buf, pkt->size); pkt->pts = pkt->dts = cx_frame->pts; @@ -394,9 +499,32 @@ static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame, pkt->flags |= AV_PKT_FLAG_KEY; } else coded_frame->pict_type = AV_PICTURE_TYPE_P; + + if (cx_frame->have_sse) { + int i; + /* Beware of the Y/U/V/all order! */ + coded_frame->error[0] = cx_frame->sse[1]; + coded_frame->error[1] = cx_frame->sse[2]; + coded_frame->error[2] = cx_frame->sse[3]; + coded_frame->error[3] = 0; // alpha + for (i = 0; i < 4; ++i) { + avctx->error[i] += coded_frame->error[i]; + } + cx_frame->have_sse = 0; + } + if (cx_frame->sz_alpha > 0) { + side_data = av_packet_new_side_data(pkt, + AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL, + cx_frame->sz_alpha + 8); + if(side_data == NULL) { + av_free_packet(pkt); + av_free(pkt); + return AVERROR(ENOMEM); + } + AV_WB64(side_data, 1); + memcpy(side_data + 8, cx_frame->buf_alpha, cx_frame->sz_alpha); + } } else { - av_log(avctx, AV_LOG_ERROR, - "Error getting output packet of size %zu.\n", cx_frame->sz); return ret; } return pkt->size; @@ -415,7 +543,9 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out, { VP8Context *ctx = avctx->priv_data; const struct vpx_codec_cx_pkt *pkt; + const struct vpx_codec_cx_pkt *pkt_alpha = NULL; const void *iter = NULL; + const void *iter_alpha = NULL; int size = 0; if (ctx->coded_frame_list) { @@ -430,7 +560,9 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out, /* consume all available output from the encoder before returning. buffers are only good through the next vpx_codec call */ - while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter))) { + while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter)) && + (!ctx->is_alpha || + (ctx->is_alpha && (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha))))) { switch (pkt->kind) { case VPX_CODEC_CX_FRAME_PKT: if (!size) { @@ -438,8 +570,8 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out, /* avoid storing the frame when the list is empty and we haven't yet provided a frame for output */ - assert(!ctx->coded_frame_list); - cx_pktcpy(&cx_frame, pkt); + av_assert0(!ctx->coded_frame_list); + cx_pktcpy(&cx_frame, pkt, pkt_alpha, ctx); size = storeframe(avctx, &cx_frame, pkt_out, coded_frame); if (size < 0) return size; @@ -452,23 +584,35 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out, "Frame queue element alloc failed\n"); return AVERROR(ENOMEM); } - cx_pktcpy(cx_frame, pkt); + cx_pktcpy(cx_frame, pkt, pkt_alpha, ctx); cx_frame->buf = av_malloc(cx_frame->sz); if (!cx_frame->buf) { av_log(avctx, AV_LOG_ERROR, "Data buffer alloc (%zu bytes) failed\n", cx_frame->sz); + av_free(cx_frame); return AVERROR(ENOMEM); } memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz); + if (ctx->is_alpha) { + cx_frame->buf_alpha = av_malloc(cx_frame->sz_alpha); + if (!cx_frame->buf_alpha) { + av_log(avctx, AV_LOG_ERROR, + "Data buffer alloc (%zu bytes) failed\n", + cx_frame->sz_alpha); + av_free(cx_frame); + return AVERROR(ENOMEM); + } + memcpy(cx_frame->buf_alpha, pkt_alpha->data.frame.buf, pkt_alpha->data.frame.sz); + } coded_frame_add(&ctx->coded_frame_list, cx_frame); } break; case VPX_CODEC_STATS_PKT: { struct vpx_fixed_buf *stats = &ctx->twopass_stats; - stats->buf = av_realloc(stats->buf, - stats->sz + pkt->data.twopass_stats.sz); + stats->buf = av_realloc_f(stats->buf, 1, + stats->sz + pkt->data.twopass_stats.sz); if (!stats->buf) { av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n"); return AVERROR(ENOMEM); @@ -478,7 +622,14 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out, stats->sz += pkt->data.twopass_stats.sz; break; } - case VPX_CODEC_PSNR_PKT: //FIXME add support for CODEC_FLAG_PSNR + case VPX_CODEC_PSNR_PKT: + av_assert0(!ctx->have_sse); + ctx->sse[0] = pkt->data.psnr.sse[0]; + ctx->sse[1] = pkt->data.psnr.sse[1]; + ctx->sse[2] = pkt->data.psnr.sse[2]; + ctx->sse[3] = pkt->data.psnr.sse[3]; + ctx->have_sse = 1; + break; case VPX_CODEC_CUSTOM_PKT: //ignore unsupported/unrecognized packet types break; @@ -493,6 +644,7 @@ static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt, { VP8Context *ctx = avctx->priv_data; struct vpx_image *rawimg = NULL; + struct vpx_image *rawimg_alpha = NULL; int64_t timestamp = 0; int res, coded_size; vpx_enc_frame_flags_t flags = 0; @@ -505,6 +657,20 @@ static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt, rawimg->stride[VPX_PLANE_Y] = frame->linesize[0]; rawimg->stride[VPX_PLANE_U] = frame->linesize[1]; rawimg->stride[VPX_PLANE_V] = frame->linesize[2]; + if (ctx->is_alpha) { + uint8_t *u_plane, *v_plane; + rawimg_alpha = &ctx->rawimg_alpha; + rawimg_alpha->planes[VPX_PLANE_Y] = frame->data[3]; + u_plane = av_malloc(frame->linesize[1] * frame->height); + memset(u_plane, 0x80, frame->linesize[1] * frame->height); + rawimg_alpha->planes[VPX_PLANE_U] = u_plane; + v_plane = av_malloc(frame->linesize[2] * frame->height); + memset(v_plane, 0x80, frame->linesize[2] * frame->height); + rawimg_alpha->planes[VPX_PLANE_V] = v_plane; + rawimg_alpha->stride[VPX_PLANE_Y] = frame->linesize[0]; + rawimg_alpha->stride[VPX_PLANE_U] = frame->linesize[1]; + rawimg_alpha->stride[VPX_PLANE_V] = frame->linesize[2]; + } timestamp = frame->pts; if (frame->pict_type == AV_PICTURE_TYPE_I) flags |= VPX_EFLAG_FORCE_KF; @@ -516,6 +682,16 @@ static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt, log_encoder_error(avctx, "Error encoding frame"); return AVERROR_INVALIDDATA; } + + if (ctx->is_alpha) { + res = vpx_codec_encode(&ctx->encoder_alpha, rawimg_alpha, timestamp, + avctx->ticks_per_frame, flags, ctx->deadline); + if (res != VPX_CODEC_OK) { + log_encoder_error(avctx, "Error encoding alpha frame"); + return AVERROR_INVALIDDATA; + } + } + coded_size = queue_frames(avctx, pkt, avctx->coded_frame); if (!frame && avctx->flags & CODEC_FLAG_PASS1) { @@ -531,6 +707,11 @@ static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt, ctx->twopass_stats.sz); } + if (rawimg_alpha) { + av_free(rawimg_alpha->planes[VPX_PLANE_U]); + av_free(rawimg_alpha->planes[VPX_PLANE_V]); + } + *got_packet = !!coded_size; return 0; } @@ -554,6 +735,7 @@ static const AVOption options[] = { { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"}, { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"}, + { "max-intra-rate", "Maximum I-frame bitrate (pct) 0=unlimited", OFFSET(max_intra_rate), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, #ifdef VPX_ERROR_RESILIENT_DEFAULT { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, { "partitions", "The frame partitions are independently decodable " @@ -561,6 +743,15 @@ static const AVOption options[] = { "though earlier partitions have been lost. Note that intra predicition" " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, #endif +{"speed", "", offsetof(VP8Context, cpu_used), AV_OPT_TYPE_INT, {.i64 = 3}, -16, 16, VE}, +{"quality", "", offsetof(VP8Context, deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, +{"vp8flags", "", offsetof(VP8Context, flags), FF_OPT_TYPE_FLAGS, {.i64 = 0}, 0, UINT_MAX, VE, "flags"}, +{"error_resilient", "enable error resilience", 0, FF_OPT_TYPE_CONST, {.dbl = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"}, +{"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"}, +{"arnr_max_frames", "altref noise reduction max frame count", offsetof(VP8Context, arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 15, VE}, +{"arnr_strength", "altref noise reduction filter strength", offsetof(VP8Context, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE}, +{"arnr_type", "altref noise reduction filter type", offsetof(VP8Context, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE}, +{"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}, { "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE }, { NULL } }; @@ -580,7 +771,7 @@ static av_cold int vp8_init(AVCodecContext *avctx) } static const AVClass class_vp8 = { - .class_name = "libvpx encoder", + .class_name = "libvpx-vp8 encoder", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, @@ -595,7 +786,7 @@ AVCodec ff_libvpx_vp8_encoder = { .encode2 = vp8_encode, .close = vp8_free, .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS, - .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE }, .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"), .priv_class = &class_vp8, .defaults = defaults, @@ -609,7 +800,7 @@ static av_cold int vp9_init(AVCodecContext *avctx) } static const AVClass class_vp9 = { - .class_name = "libvpx encoder", + .class_name = "libvpx-vp9 encoder", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, |