diff options
Diffstat (limited to 'libavcodec/libvpxenc.c')
| -rw-r--r-- | libavcodec/libvpxenc.c | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c index bba79733ed..c7e18f0229 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 */ @@ -54,15 +54,26 @@ typedef struct VP8EncoderContext { 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; + /** + * 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; } VP8Context; /** String mappings for enum vp8e_enc_control_id */ @@ -83,6 +94,7 @@ static const char *const 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) @@ -233,9 +245,7 @@ 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 (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; @@ -247,6 +257,8 @@ 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; + else if (ctx->crf) + enccfg.rc_end_usage = VPX_CQ; enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000, AV_ROUND_NEAR_INF); if (avctx->qmin > 0) @@ -270,6 +282,7 @@ 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 >= 0 && avctx->keyint_min == avctx->gop_size) @@ -312,7 +325,7 @@ static av_cold int vp8_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 */ @@ -326,6 +339,8 @@ static av_cold int vp8_init(AVCodecContext *avctx) 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) @@ -337,6 +352,9 @@ static av_cold int vp8_init(AVCodecContext *avctx) 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); + codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf); + + 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, @@ -456,8 +474,8 @@ 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); @@ -546,7 +564,17 @@ 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, {VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, #endif - { NULL } +{"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"}, +{"vp8flags", "", offsetof(VP8Context, flags), FF_OPT_TYPE_FLAGS, {.dbl = 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, {.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}, +{"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}, +{NULL} }; static const AVClass class = { |