mirror of
https://github.com/FFmpeg/FFmpeg.git
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a754af942a
aom_codec_get_global_headers() is not implemented as of libaom 1.0.0 for AV1, so we're forced to extract the relevant header OBUs from the first packet and propagate them as packet side data. Signed-off-by: James Almer <jamrial@gmail.com>
783 lines
29 KiB
C
783 lines
29 KiB
C
/*
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* Copyright (c) 2010, Google, Inc.
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* AV1 encoder support via libaom
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*/
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#define AOM_DISABLE_CTRL_TYPECHECKS 1
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#include <aom/aom_encoder.h>
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#include <aom/aomcx.h>
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#include "libavutil/avassert.h"
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#include "libavutil/base64.h"
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#include "libavutil/common.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "profiles.h"
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/*
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* Portion of struct aom_codec_cx_pkt from aom_encoder.h.
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* One encoded frame returned from the library.
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*/
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struct FrameListData {
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void *buf; /**< compressed data buffer */
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size_t sz; /**< length of compressed data */
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int64_t pts; /**< time stamp to show frame
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(in timebase units) */
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unsigned long duration; /**< duration to show frame
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(in timebase units) */
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uint32_t flags; /**< flags for this frame */
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struct FrameListData *next;
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};
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typedef struct AOMEncoderContext {
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AVClass *class;
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AVBSFContext *bsf;
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struct aom_codec_ctx encoder;
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struct aom_image rawimg;
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struct aom_fixed_buf twopass_stats;
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struct FrameListData *coded_frame_list;
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int cpu_used;
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int auto_alt_ref;
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int lag_in_frames;
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int error_resilient;
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int crf;
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int static_thresh;
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int drop_threshold;
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int noise_sensitivity;
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} AOMContext;
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static const char *const ctlidstr[] = {
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[AOME_SET_CPUUSED] = "AOME_SET_CPUUSED",
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[AOME_SET_CQ_LEVEL] = "AOME_SET_CQ_LEVEL",
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[AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",
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[AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",
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[AV1E_SET_COLOR_RANGE] = "AV1E_SET_COLOR_RANGE",
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[AV1E_SET_COLOR_PRIMARIES] = "AV1E_SET_COLOR_PRIMARIES",
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[AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",
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[AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",
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};
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static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
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{
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AOMContext *ctx = avctx->priv_data;
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const char *error = aom_codec_error(&ctx->encoder);
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const char *detail = aom_codec_error_detail(&ctx->encoder);
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av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
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if (detail)
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av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
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}
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static av_cold void dump_enc_cfg(AVCodecContext *avctx,
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const struct aom_codec_enc_cfg *cfg)
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{
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int width = -30;
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int level = AV_LOG_DEBUG;
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av_log(avctx, level, "aom_codec_enc_cfg\n");
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av_log(avctx, level, "generic settings\n"
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" %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
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" %*s%u\n %*s%u\n"
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" %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
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width, "g_usage:", cfg->g_usage,
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width, "g_threads:", cfg->g_threads,
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width, "g_profile:", cfg->g_profile,
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width, "g_w:", cfg->g_w,
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width, "g_h:", cfg->g_h,
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width, "g_bit_depth:", cfg->g_bit_depth,
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width, "g_input_bit_depth:", cfg->g_input_bit_depth,
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width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
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width, "g_error_resilient:", cfg->g_error_resilient,
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width, "g_pass:", cfg->g_pass,
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width, "g_lag_in_frames:", cfg->g_lag_in_frames);
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av_log(avctx, level, "rate control settings\n"
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" %*s%u\n %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
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width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
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width, "rc_end_usage:", cfg->rc_end_usage,
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width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
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width, "rc_target_bitrate:", cfg->rc_target_bitrate);
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av_log(avctx, level, "quantizer settings\n"
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" %*s%u\n %*s%u\n",
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width, "rc_min_quantizer:", cfg->rc_min_quantizer,
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width, "rc_max_quantizer:", cfg->rc_max_quantizer);
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av_log(avctx, level, "bitrate tolerance\n"
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" %*s%u\n %*s%u\n",
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width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
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width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
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av_log(avctx, level, "decoder buffer model\n"
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" %*s%u\n %*s%u\n %*s%u\n",
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width, "rc_buf_sz:", cfg->rc_buf_sz,
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width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
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width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
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av_log(avctx, level, "2 pass rate control settings\n"
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" %*s%u\n %*s%u\n %*s%u\n",
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width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
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width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
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width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
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av_log(avctx, level, "keyframing settings\n"
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" %*s%d\n %*s%u\n %*s%u\n",
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width, "kf_mode:", cfg->kf_mode,
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width, "kf_min_dist:", cfg->kf_min_dist,
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width, "kf_max_dist:", cfg->kf_max_dist);
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av_log(avctx, level, "\n");
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}
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static void coded_frame_add(void *list, struct FrameListData *cx_frame)
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{
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struct FrameListData **p = list;
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while (*p)
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p = &(*p)->next;
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*p = cx_frame;
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cx_frame->next = NULL;
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}
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static av_cold void free_coded_frame(struct FrameListData *cx_frame)
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{
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av_freep(&cx_frame->buf);
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av_freep(&cx_frame);
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}
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static av_cold void free_frame_list(struct FrameListData *list)
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{
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struct FrameListData *p = list;
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while (p) {
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list = list->next;
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free_coded_frame(p);
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p = list;
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}
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}
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static av_cold int codecctl_int(AVCodecContext *avctx,
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enum aome_enc_control_id id, int val)
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{
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AOMContext *ctx = avctx->priv_data;
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char buf[80];
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int width = -30;
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int res;
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snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
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av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
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res = aom_codec_control(&ctx->encoder, id, val);
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if (res != AOM_CODEC_OK) {
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snprintf(buf, sizeof(buf), "Failed to set %s codec control",
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ctlidstr[id]);
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log_encoder_error(avctx, buf);
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return AVERROR(EINVAL);
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}
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return 0;
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}
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static av_cold int aom_free(AVCodecContext *avctx)
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{
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AOMContext *ctx = avctx->priv_data;
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aom_codec_destroy(&ctx->encoder);
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av_freep(&ctx->twopass_stats.buf);
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av_freep(&avctx->stats_out);
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free_frame_list(ctx->coded_frame_list);
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av_bsf_free(&ctx->bsf);
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return 0;
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}
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static int set_pix_fmt(AVCodecContext *avctx, aom_codec_caps_t codec_caps,
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struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,
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aom_img_fmt_t *img_fmt)
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{
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AOMContext av_unused *ctx = avctx->priv_data;
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enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
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switch (avctx->pix_fmt) {
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case AV_PIX_FMT_YUV420P:
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enccfg->g_profile = FF_PROFILE_AV1_MAIN;
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*img_fmt = AOM_IMG_FMT_I420;
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return 0;
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case AV_PIX_FMT_YUV422P:
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enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
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*img_fmt = AOM_IMG_FMT_I422;
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return 0;
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case AV_PIX_FMT_YUV444P:
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enccfg->g_profile = FF_PROFILE_AV1_HIGH;
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*img_fmt = AOM_IMG_FMT_I444;
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return 0;
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case AV_PIX_FMT_YUV420P10:
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case AV_PIX_FMT_YUV420P12:
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if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
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enccfg->g_bit_depth = enccfg->g_input_bit_depth =
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avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
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enccfg->g_profile =
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enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_MAIN : FF_PROFILE_AV1_PROFESSIONAL;
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*img_fmt = AOM_IMG_FMT_I42016;
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*flags |= AOM_CODEC_USE_HIGHBITDEPTH;
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return 0;
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}
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break;
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case AV_PIX_FMT_YUV422P10:
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case AV_PIX_FMT_YUV422P12:
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if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
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enccfg->g_bit_depth = enccfg->g_input_bit_depth =
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avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
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enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
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*img_fmt = AOM_IMG_FMT_I42216;
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*flags |= AOM_CODEC_USE_HIGHBITDEPTH;
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return 0;
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}
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break;
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case AV_PIX_FMT_YUV444P10:
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case AV_PIX_FMT_YUV444P12:
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if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
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enccfg->g_bit_depth = enccfg->g_input_bit_depth =
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avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ? 10 : 12;
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enccfg->g_profile =
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enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_HIGH : FF_PROFILE_AV1_PROFESSIONAL;
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*img_fmt = AOM_IMG_FMT_I44416;
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*flags |= AOM_CODEC_USE_HIGHBITDEPTH;
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return 0;
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}
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break;
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default:
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break;
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}
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av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
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return AVERROR_INVALIDDATA;
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}
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static void set_color_range(AVCodecContext *avctx)
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{
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enum aom_color_range aom_cr;
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switch (avctx->color_range) {
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case AVCOL_RANGE_UNSPECIFIED:
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case AVCOL_RANGE_MPEG: aom_cr = AOM_CR_STUDIO_RANGE; break;
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case AVCOL_RANGE_JPEG: aom_cr = AOM_CR_FULL_RANGE; break;
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default:
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av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
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avctx->color_range);
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return;
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}
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codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);
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}
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static av_cold int aom_init(AVCodecContext *avctx,
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const struct aom_codec_iface *iface)
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{
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AOMContext *ctx = avctx->priv_data;
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struct aom_codec_enc_cfg enccfg = { 0 };
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aom_codec_flags_t flags = 0;
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AVCPBProperties *cpb_props;
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int res;
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aom_img_fmt_t img_fmt;
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aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);
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av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
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av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());
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if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) {
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av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
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aom_codec_err_to_string(res));
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return AVERROR(EINVAL);
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}
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if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
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return AVERROR(EINVAL);
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if(!avctx->bit_rate)
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if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
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av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
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return AVERROR(EINVAL);
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}
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dump_enc_cfg(avctx, &enccfg);
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enccfg.g_w = avctx->width;
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enccfg.g_h = avctx->height;
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enccfg.g_timebase.num = avctx->time_base.num;
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enccfg.g_timebase.den = avctx->time_base.den;
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enccfg.g_threads = avctx->thread_count;
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if (ctx->lag_in_frames >= 0)
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enccfg.g_lag_in_frames = ctx->lag_in_frames;
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if (avctx->flags & AV_CODEC_FLAG_PASS1)
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enccfg.g_pass = AOM_RC_FIRST_PASS;
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else if (avctx->flags & AV_CODEC_FLAG_PASS2)
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enccfg.g_pass = AOM_RC_LAST_PASS;
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else
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enccfg.g_pass = AOM_RC_ONE_PASS;
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if (avctx->rc_min_rate == avctx->rc_max_rate &&
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avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
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enccfg.rc_end_usage = AOM_CBR;
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} else if (ctx->crf >= 0) {
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enccfg.rc_end_usage = AOM_CQ;
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if (!avctx->bit_rate)
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enccfg.rc_end_usage = AOM_Q;
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}
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if (avctx->bit_rate) {
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enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
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AV_ROUND_NEAR_INF);
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} else if (enccfg.rc_end_usage != AOM_Q) {
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if (enccfg.rc_end_usage == AOM_CQ) {
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enccfg.rc_target_bitrate = 1000000;
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} else {
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avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
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av_log(avctx, AV_LOG_WARNING,
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"Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
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enccfg.rc_target_bitrate);
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}
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}
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if (avctx->qmin >= 0)
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enccfg.rc_min_quantizer = avctx->qmin;
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if (avctx->qmax >= 0)
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enccfg.rc_max_quantizer = avctx->qmax;
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if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) {
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if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
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av_log(avctx, AV_LOG_ERROR,
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"CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
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ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
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return AVERROR(EINVAL);
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}
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}
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enccfg.rc_dropframe_thresh = ctx->drop_threshold;
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// 0-100 (0 => CBR, 100 => VBR)
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enccfg.rc_2pass_vbr_bias_pct = round(avctx->qcompress * 100);
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if (avctx->bit_rate)
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enccfg.rc_2pass_vbr_minsection_pct =
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avctx->rc_min_rate * 100LL / avctx->bit_rate;
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if (avctx->rc_max_rate)
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enccfg.rc_2pass_vbr_maxsection_pct =
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avctx->rc_max_rate * 100LL / avctx->bit_rate;
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if (avctx->rc_buffer_size)
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enccfg.rc_buf_sz =
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avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
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if (avctx->rc_initial_buffer_occupancy)
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enccfg.rc_buf_initial_sz =
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avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
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enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
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// _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO
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if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
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enccfg.kf_min_dist = avctx->keyint_min;
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if (avctx->gop_size >= 0)
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enccfg.kf_max_dist = avctx->gop_size;
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if (enccfg.g_pass == AOM_RC_FIRST_PASS)
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enccfg.g_lag_in_frames = 0;
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else if (enccfg.g_pass == AOM_RC_LAST_PASS) {
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int decode_size, ret;
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if (!avctx->stats_in) {
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av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
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return AVERROR_INVALIDDATA;
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}
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ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
|
|
ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
|
|
ctx->twopass_stats.sz);
|
|
ctx->twopass_stats.sz = 0;
|
|
return ret;
|
|
}
|
|
decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
|
|
ctx->twopass_stats.sz);
|
|
if (decode_size < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
ctx->twopass_stats.sz = decode_size;
|
|
enccfg.rc_twopass_stats_in = ctx->twopass_stats;
|
|
}
|
|
|
|
/* 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 = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
|
|
if (res != AOM_CODEC_OK) {
|
|
log_encoder_error(avctx, "Failed to initialize encoder");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
// codec control failures are currently treated only as warnings
|
|
av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n");
|
|
codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used);
|
|
if (ctx->auto_alt_ref >= 0)
|
|
codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
|
|
|
|
codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);
|
|
if (ctx->crf >= 0)
|
|
codecctl_int(avctx, AOME_SET_CQ_LEVEL, ctx->crf);
|
|
|
|
codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);
|
|
codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);
|
|
codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, avctx->color_trc);
|
|
set_color_range(avctx);
|
|
|
|
// provide dummy value to initialize wrapper, values will be updated each _encode()
|
|
aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
|
|
(unsigned char*)1);
|
|
|
|
if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
|
|
ctx->rawimg.bit_depth = enccfg.g_bit_depth;
|
|
|
|
cpb_props = ff_add_cpb_side_data(avctx);
|
|
if (!cpb_props)
|
|
return AVERROR(ENOMEM);
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
|
|
const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
|
|
int ret;
|
|
|
|
if (!filter) {
|
|
av_log(avctx, AV_LOG_ERROR, "extract_extradata bitstream filter "
|
|
"not found. This is a bug, please report it.\n");
|
|
return AVERROR_BUG;
|
|
}
|
|
ret = av_bsf_alloc(filter, &ctx->bsf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = av_bsf_init(ctx->bsf);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
if (enccfg.rc_end_usage == AOM_CBR ||
|
|
enccfg.g_pass != AOM_RC_ONE_PASS) {
|
|
cpb_props->max_bitrate = avctx->rc_max_rate;
|
|
cpb_props->min_bitrate = avctx->rc_min_rate;
|
|
cpb_props->avg_bitrate = avctx->bit_rate;
|
|
}
|
|
cpb_props->buffer_size = avctx->rc_buffer_size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline void cx_pktcpy(struct FrameListData *dst,
|
|
const struct aom_codec_cx_pkt *src)
|
|
{
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* Store coded frame information in format suitable for return from encode2().
|
|
*
|
|
* Write information from @a cx_frame to @a pkt
|
|
* @return packet data size on success
|
|
* @return a negative AVERROR on error
|
|
*/
|
|
static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
|
|
AVPacket *pkt)
|
|
{
|
|
AOMContext *ctx = avctx->priv_data;
|
|
int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Error getting output packet of size %"SIZE_SPECIFIER".\n", cx_frame->sz);
|
|
return ret;
|
|
}
|
|
memcpy(pkt->data, cx_frame->buf, pkt->size);
|
|
pkt->pts = pkt->dts = cx_frame->pts;
|
|
|
|
if (!!(cx_frame->flags & AOM_FRAME_IS_KEY))
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
|
|
ret = av_bsf_send_packet(ctx->bsf, pkt);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
|
|
"failed to send input packet\n");
|
|
return ret;
|
|
}
|
|
ret = av_bsf_receive_packet(ctx->bsf, pkt);
|
|
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
|
|
"failed to receive output packet\n");
|
|
return ret;
|
|
}
|
|
}
|
|
return pkt->size;
|
|
}
|
|
|
|
/**
|
|
* Queue multiple output frames from the encoder, returning the front-most.
|
|
* In cases where aom_codec_get_cx_data() returns more than 1 frame append
|
|
* the frame queue. Return the head frame if available.
|
|
* @return Stored frame size
|
|
* @return AVERROR(EINVAL) on output size error
|
|
* @return AVERROR(ENOMEM) on coded frame queue data allocation error
|
|
*/
|
|
static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
|
|
{
|
|
AOMContext *ctx = avctx->priv_data;
|
|
const struct aom_codec_cx_pkt *pkt;
|
|
const void *iter = NULL;
|
|
int size = 0;
|
|
|
|
if (ctx->coded_frame_list) {
|
|
struct FrameListData *cx_frame = ctx->coded_frame_list;
|
|
/* return the leading frame if we've already begun queueing */
|
|
size = storeframe(avctx, cx_frame, pkt_out);
|
|
if (size < 0)
|
|
return size;
|
|
ctx->coded_frame_list = cx_frame->next;
|
|
free_coded_frame(cx_frame);
|
|
}
|
|
|
|
/* consume all available output from the encoder before returning. buffers
|
|
* are only good through the next aom_codec call */
|
|
while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) {
|
|
switch (pkt->kind) {
|
|
case AOM_CODEC_CX_FRAME_PKT:
|
|
if (!size) {
|
|
struct FrameListData cx_frame;
|
|
|
|
/* avoid storing the frame when the list is empty and we haven't yet
|
|
* provided a frame for output */
|
|
av_assert0(!ctx->coded_frame_list);
|
|
cx_pktcpy(&cx_frame, pkt);
|
|
size = storeframe(avctx, &cx_frame, pkt_out);
|
|
if (size < 0)
|
|
return size;
|
|
} else {
|
|
struct FrameListData *cx_frame =
|
|
av_malloc(sizeof(struct FrameListData));
|
|
|
|
if (!cx_frame) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Frame queue element alloc failed\n");
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
cx_pktcpy(cx_frame, pkt);
|
|
cx_frame->buf = av_malloc(cx_frame->sz);
|
|
|
|
if (!cx_frame->buf) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
|
|
cx_frame->sz);
|
|
av_freep(&cx_frame);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
|
|
coded_frame_add(&ctx->coded_frame_list, cx_frame);
|
|
}
|
|
break;
|
|
case AOM_CODEC_STATS_PKT:
|
|
{
|
|
struct aom_fixed_buf *stats = &ctx->twopass_stats;
|
|
int err;
|
|
if ((err = av_reallocp(&stats->buf,
|
|
stats->sz +
|
|
pkt->data.twopass_stats.sz)) < 0) {
|
|
stats->sz = 0;
|
|
av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
|
|
return err;
|
|
}
|
|
memcpy((uint8_t *)stats->buf + stats->sz,
|
|
pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
|
|
stats->sz += pkt->data.twopass_stats.sz;
|
|
break;
|
|
}
|
|
case AOM_CODEC_PSNR_PKT: // FIXME add support for AV_CODEC_FLAG_PSNR
|
|
case AOM_CODEC_CUSTOM_PKT:
|
|
// ignore unsupported/unrecognized packet types
|
|
break;
|
|
}
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *frame, int *got_packet)
|
|
{
|
|
AOMContext *ctx = avctx->priv_data;
|
|
struct aom_image *rawimg = NULL;
|
|
int64_t timestamp = 0;
|
|
int res, coded_size;
|
|
aom_enc_frame_flags_t flags = 0;
|
|
|
|
if (frame) {
|
|
rawimg = &ctx->rawimg;
|
|
rawimg->planes[AOM_PLANE_Y] = frame->data[0];
|
|
rawimg->planes[AOM_PLANE_U] = frame->data[1];
|
|
rawimg->planes[AOM_PLANE_V] = frame->data[2];
|
|
rawimg->stride[AOM_PLANE_Y] = frame->linesize[0];
|
|
rawimg->stride[AOM_PLANE_U] = frame->linesize[1];
|
|
rawimg->stride[AOM_PLANE_V] = frame->linesize[2];
|
|
timestamp = frame->pts;
|
|
switch (frame->color_range) {
|
|
case AVCOL_RANGE_MPEG:
|
|
rawimg->range = AOM_CR_STUDIO_RANGE;
|
|
break;
|
|
case AVCOL_RANGE_JPEG:
|
|
rawimg->range = AOM_CR_FULL_RANGE;
|
|
break;
|
|
}
|
|
|
|
if (frame->pict_type == AV_PICTURE_TYPE_I)
|
|
flags |= AOM_EFLAG_FORCE_KF;
|
|
}
|
|
|
|
res = aom_codec_encode(&ctx->encoder, rawimg, timestamp,
|
|
avctx->ticks_per_frame, flags);
|
|
if (res != AOM_CODEC_OK) {
|
|
log_encoder_error(avctx, "Error encoding frame");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
coded_size = queue_frames(avctx, pkt);
|
|
|
|
if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
|
|
size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
|
|
|
|
avctx->stats_out = av_malloc(b64_size);
|
|
if (!avctx->stats_out) {
|
|
av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
|
|
b64_size);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
|
|
ctx->twopass_stats.sz);
|
|
}
|
|
|
|
*got_packet = !!coded_size;
|
|
return 0;
|
|
}
|
|
|
|
static const enum AVPixelFormat av1_pix_fmts[] = {
|
|
AV_PIX_FMT_YUV420P,
|
|
AV_PIX_FMT_YUV422P,
|
|
AV_PIX_FMT_YUV444P,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
|
|
static const enum AVPixelFormat av1_pix_fmts_highbd[] = {
|
|
AV_PIX_FMT_YUV420P,
|
|
AV_PIX_FMT_YUV422P,
|
|
AV_PIX_FMT_YUV444P,
|
|
AV_PIX_FMT_YUV420P10,
|
|
AV_PIX_FMT_YUV422P10,
|
|
AV_PIX_FMT_YUV444P10,
|
|
AV_PIX_FMT_YUV420P12,
|
|
AV_PIX_FMT_YUV422P12,
|
|
AV_PIX_FMT_YUV444P12,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
|
|
static av_cold void av1_init_static(AVCodec *codec)
|
|
{
|
|
aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());
|
|
if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
|
|
codec->pix_fmts = av1_pix_fmts_highbd;
|
|
else
|
|
codec->pix_fmts = av1_pix_fmts;
|
|
}
|
|
|
|
static av_cold int av1_init(AVCodecContext *avctx)
|
|
{
|
|
return aom_init(avctx, aom_codec_av1_cx());
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(AOMContext, 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, {.i64 = 1}, -8, 8, VE},
|
|
{ "auto-alt-ref", "Enable use of alternate reference "
|
|
"frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
|
|
{ "lag-in-frames", "Number of frames to look ahead at for "
|
|
"alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
|
|
{ "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
|
|
{ "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_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, {.i64 = AOM_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"},
|
|
{ "crf", "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },
|
|
{ "static-thresh", "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
|
|
{ "drop-threshold", "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },
|
|
{ "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE},
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVCodecDefault defaults[] = {
|
|
{ "qmin", "-1" },
|
|
{ "qmax", "-1" },
|
|
{ "g", "-1" },
|
|
{ "keyint_min", "-1" },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass class_aom = {
|
|
.class_name = "libaom-av1 encoder",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
AVCodec ff_libaom_av1_encoder = {
|
|
.name = "libaom-av1",
|
|
.long_name = NULL_IF_CONFIG_SMALL("libaom AV1"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_AV1,
|
|
.priv_data_size = sizeof(AOMContext),
|
|
.init = av1_init,
|
|
.encode2 = aom_encode,
|
|
.close = aom_free,
|
|
.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_EXPERIMENTAL,
|
|
.profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
|
|
.priv_class = &class_aom,
|
|
.defaults = defaults,
|
|
.init_static_data = av1_init_static,
|
|
.wrapper_name = "libaom",
|
|
};
|