diff options
Diffstat (limited to 'libavcodec/libvpxenc.c')
| -rw-r--r-- | libavcodec/libvpxenc.c | 157 |
1 files changed, 133 insertions, 24 deletions
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c index ca2e6157d5..1a922837e1 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 */ @@ -29,8 +29,10 @@ #include <vpx/vp8cx.h> #include "avcodec.h" +#include "internal.h" #include "libavutil/base64.h" #include "libavutil/mathematics.h" +#include "libavutil/opt.h" /** * Portion of struct vpx_codec_cx_pkt from vpx_encoder.h. @@ -48,11 +50,23 @@ struct FrameListData { }; typedef struct VP8EncoderContext { + AVClass *class; struct vpx_codec_ctx encoder; struct vpx_image rawimg; struct vpx_fixed_buf twopass_stats; - unsigned long deadline; //i.e., RT/GOOD/BEST + int deadline; //i.e., RT/GOOD/BEST struct FrameListData *coded_frame_list; + + int cpu_used; + int auto_alt_ref; + + int arnr_max_frames; + int arnr_strength; + int arnr_type; + + int lag_in_frames; + int error_resilient; + int crf; } VP8Context; /** String mappings for enum vp8e_enc_control_id */ @@ -73,6 +87,7 @@ static const char *ctlidstr[] = { [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES", [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH", [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE", + [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL", }; static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc) @@ -205,7 +220,6 @@ static av_cold int vp8_init(AVCodecContext *avctx) { VP8Context *ctx = avctx->priv_data; const struct vpx_codec_iface *iface = &vpx_codec_vp8_cx_algo; - int cpuused = 3; struct vpx_codec_enc_cfg enccfg; int res; @@ -224,6 +238,13 @@ static av_cold int vp8_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 FF_API_X264_GLOBAL_OPTS + enccfg.g_lag_in_frames= FFMIN(avctx->rc_lookahead, 25); //0-25, avoids init failure + if (ctx->lag_in_frames >= 0) + enccfg.g_lag_in_frames = ctx->lag_in_frames; +#else + enccfg.g_lag_in_frames= ctx->lag_in_frames; +#endif if (avctx->flags & CODEC_FLAG_PASS1) enccfg.g_pass = VPX_RC_FIRST_PASS; @@ -235,11 +256,18 @@ static av_cold int vp8_init(AVCodecContext *avctx) if (avctx->rc_min_rate == avctx->rc_max_rate && avctx->rc_min_rate == avctx->bit_rate) enccfg.rc_end_usage = VPX_CBR; +#if FF_API_X264_GLOBAL_OPTS + else if (avctx->crf || ctx->crf > 0) +#else + else if (ctx->crf) +#endif + enccfg.rc_end_usage = VPX_CQ; enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000, AV_ROUND_NEAR_INF); - - enccfg.rc_min_quantizer = avctx->qmin; - enccfg.rc_max_quantizer = avctx->qmax; + if (avctx->qmin > 0) + enccfg.rc_min_quantizer = avctx->qmin; + if (avctx->qmax > 0) + enccfg.rc_max_quantizer = avctx->qmax; enccfg.rc_dropframe_thresh = avctx->frame_skip_threshold; //0-100 (0 => CBR, 100 => VBR) @@ -257,11 +285,13 @@ static av_cold int vp8_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 == avctx->gop_size) + if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size) enccfg.kf_min_dist = avctx->keyint_min; - enccfg.kf_max_dist = avctx->gop_size; + if (avctx->gop_size >= 0) + enccfg.kf_max_dist = avctx->gop_size; if (enccfg.g_pass == VPX_RC_FIRST_PASS) enccfg.g_lag_in_frames = 0; @@ -292,13 +322,14 @@ static av_cold int vp8_init(AVCodecContext *avctx) enccfg.rc_twopass_stats_in = ctx->twopass_stats; } - ctx->deadline = VPX_DL_GOOD_QUALITY; /* 0-3: For non-zero values the encoder increasingly optimizes for reduced complexity playback on low powered devices at the expense of encode quality. */ if (avctx->profile != FF_PROFILE_UNKNOWN) enccfg.g_profile = avctx->profile; + enccfg.g_error_resilient = ctx->error_resilient; + dump_enc_cfg(avctx, &enccfg); /* Construct Encoder Context */ res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, 0); @@ -309,10 +340,28 @@ static av_cold int vp8_init(AVCodecContext *avctx) //codec control failures are currently treated only as warnings av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n"); - codecctl_int(avctx, VP8E_SET_CPUUSED, cpuused); + if (ctx->cpu_used != INT_MIN) + codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used); + if (ctx->auto_alt_ref >= 0) + codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref); + if (ctx->arnr_max_frames >= 0) + codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames); + if (ctx->arnr_strength >= 0) + codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength); + if (ctx->arnr_type >= 0) + codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type); codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction); codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices)); codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, avctx->mb_threshold); +#if FF_API_X264_GLOBAL_OPTS + codecctl_int(avctx, VP8E_SET_CQ_LEVEL, (int)avctx->crf); + if (ctx->crf >= 0) + codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf); +#else + codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf); +#endif + + 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, @@ -432,8 +481,8 @@ static int queue_frames(AVCodecContext *avctx, uint8_t *buf, int buf_size, 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); @@ -496,16 +545,76 @@ static int vp8_encode(AVCodecContext *avctx, uint8_t *buf, int buf_size, return coded_size; } +#define OFFSET(x) offsetof(VP8Context, x) +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM +static const AVOption options[] = { + { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {INT_MIN}, INT_MIN, INT_MAX, VE}, + { "auto-alt-ref", "Enable use of alternate reference " + "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {-1}, -1, 1, VE}, + { "lag-in-frames", "Number of frames to look ahead for " + "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, + { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, + { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, + { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE, "arnr_type"}, + { "backward", NULL, 0, AV_OPT_TYPE_CONST, {1}, 0, 0, VE, "arnr_type" }, + { "forward", NULL, 0, AV_OPT_TYPE_CONST, {2}, 0, 0, VE, "arnr_type" }, + { "centered", NULL, 0, AV_OPT_TYPE_CONST, {3}, 0, 0, VE, "arnr_type" }, + { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, + { "best", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, + { "good", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, + { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_REALTIME}, 0, 0, VE, "quality"}, + { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {0}, INT_MIN, INT_MAX, VE, "er"}, +#ifdef VPX_ERROR_RESILIENT_DEFAULT + { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, + { "partitions", "The frame partitions are independently decodable " + "by the bool decoder, meaning that partitions can be decoded even " + "though earlier partitions have been lost. Note that intra predicition" + " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, +#endif +{"speed", "", offsetof(VP8Context, cpu_used), AV_OPT_TYPE_INT, {.dbl = 3}, -16, 16, VE}, +{"quality", "", offsetof(VP8Context, deadline), AV_OPT_TYPE_INT, {.dbl = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, +{"best", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = VPX_DL_BEST_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, +{"good", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, +{"realtime", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = VPX_DL_REALTIME}, INT_MIN, INT_MAX, VE, "quality"}, +{"arnr_max_frames", "altref noise reduction max frame count", offsetof(VP8Context, arnr_max_frames), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 15, VE}, +{"arnr_strength", "altref noise reduction filter strength", offsetof(VP8Context, arnr_strength), AV_OPT_TYPE_INT, {.dbl = 3}, 0, 6, VE}, +{"arnr_type", "altref noise reduction filter type", offsetof(VP8Context, arnr_type), AV_OPT_TYPE_INT, {.dbl = 3}, 1, 3, VE}, +#if FF_API_X264_GLOBAL_OPTS +{"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}, +{"crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 63, VE}, +#else +{"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}, +{"crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 63, VE}, +#endif +{NULL} +}; + +static const AVClass class = { + .class_name = "libvpx encoder", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +static const AVCodecDefault defaults[] = { + { "qmin", "-1" }, + { "qmax", "-1" }, + { "g", "-1" }, + { "keyint_min", "-1" }, + { NULL }, +}; + AVCodec ff_libvpx_encoder = { - "libvpx", - AVMEDIA_TYPE_VIDEO, - CODEC_ID_VP8, - sizeof(VP8Context), - vp8_init, - vp8_encode, - vp8_free, - NULL, - CODEC_CAP_DELAY, + .name = "libvpx", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_VP8, + .priv_data_size = sizeof(VP8Context), + .init = vp8_init, + .encode = vp8_encode, + .close = vp8_free, + .capabilities = CODEC_CAP_DELAY, .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"), + .priv_class = &class, + .defaults = defaults, }; |