605 lines
19 KiB
C
Executable file
605 lines
19 KiB
C
Executable file
/*
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* librav1e encoder
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*
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* Copyright (c) 2019 Derek Buitenhuis
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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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#include <rav1e.h>
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#include "libavutil/internal.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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typedef struct librav1eContext {
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const AVClass *class;
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RaContext *ctx;
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AVBSFContext *bsf;
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uint8_t *pass_data;
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size_t pass_pos;
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int pass_size;
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AVDictionary *rav1e_opts;
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int quantizer;
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int speed;
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int tiles;
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int tile_rows;
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int tile_cols;
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} librav1eContext;
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static inline RaPixelRange range_map(enum AVPixelFormat pix_fmt, enum AVColorRange range)
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{
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switch (pix_fmt) {
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case AV_PIX_FMT_YUVJ420P:
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case AV_PIX_FMT_YUVJ422P:
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case AV_PIX_FMT_YUVJ444P:
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return RA_PIXEL_RANGE_FULL;
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}
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switch (range) {
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case AVCOL_RANGE_JPEG:
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return RA_PIXEL_RANGE_FULL;
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case AVCOL_RANGE_MPEG:
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default:
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return RA_PIXEL_RANGE_LIMITED;
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}
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}
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static inline RaChromaSampling pix_fmt_map(enum AVPixelFormat pix_fmt)
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{
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switch (pix_fmt) {
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case AV_PIX_FMT_YUV420P:
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case AV_PIX_FMT_YUVJ420P:
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case AV_PIX_FMT_YUV420P10:
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case AV_PIX_FMT_YUV420P12:
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return RA_CHROMA_SAMPLING_CS420;
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case AV_PIX_FMT_YUV422P:
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case AV_PIX_FMT_YUVJ422P:
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case AV_PIX_FMT_YUV422P10:
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case AV_PIX_FMT_YUV422P12:
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return RA_CHROMA_SAMPLING_CS422;
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case AV_PIX_FMT_YUV444P:
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case AV_PIX_FMT_YUVJ444P:
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case AV_PIX_FMT_YUV444P10:
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case AV_PIX_FMT_YUV444P12:
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return RA_CHROMA_SAMPLING_CS444;
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default:
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av_assert0(0);
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}
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}
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static inline RaChromaSamplePosition chroma_loc_map(enum AVChromaLocation chroma_loc)
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{
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switch (chroma_loc) {
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case AVCHROMA_LOC_LEFT:
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return RA_CHROMA_SAMPLE_POSITION_VERTICAL;
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case AVCHROMA_LOC_TOPLEFT:
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return RA_CHROMA_SAMPLE_POSITION_COLOCATED;
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default:
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return RA_CHROMA_SAMPLE_POSITION_UNKNOWN;
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}
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}
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static int get_stats(AVCodecContext *avctx, int eos)
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{
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librav1eContext *ctx = avctx->priv_data;
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RaData* buf = rav1e_twopass_out(ctx->ctx);
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if (!buf)
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return 0;
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if (!eos) {
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uint8_t *tmp = av_fast_realloc(ctx->pass_data, &ctx->pass_size,
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ctx->pass_pos + buf->len);
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if (!tmp) {
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rav1e_data_unref(buf);
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return AVERROR(ENOMEM);
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}
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ctx->pass_data = tmp;
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memcpy(ctx->pass_data + ctx->pass_pos, buf->data, buf->len);
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ctx->pass_pos += buf->len;
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} else {
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size_t b64_size = AV_BASE64_SIZE(ctx->pass_pos);
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memcpy(ctx->pass_data, buf->data, buf->len);
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avctx->stats_out = av_malloc(b64_size);
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if (!avctx->stats_out) {
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rav1e_data_unref(buf);
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return AVERROR(ENOMEM);
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}
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av_base64_encode(avctx->stats_out, b64_size, ctx->pass_data, ctx->pass_pos);
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av_freep(&ctx->pass_data);
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}
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rav1e_data_unref(buf);
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return 0;
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}
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static int set_stats(AVCodecContext *avctx)
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{
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librav1eContext *ctx = avctx->priv_data;
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int ret = 1;
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while (ret > 0 && ctx->pass_size - ctx->pass_pos > 0) {
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ret = rav1e_twopass_in(ctx->ctx, ctx->pass_data + ctx->pass_pos, ctx->pass_size);
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if (ret < 0)
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return AVERROR_EXTERNAL;
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ctx->pass_pos += ret;
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}
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return 0;
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}
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static av_cold int librav1e_encode_close(AVCodecContext *avctx)
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{
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librav1eContext *ctx = avctx->priv_data;
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if (ctx->ctx) {
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rav1e_context_unref(ctx->ctx);
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ctx->ctx = NULL;
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}
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av_bsf_free(&ctx->bsf);
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av_freep(&ctx->pass_data);
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return 0;
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}
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static av_cold int librav1e_encode_init(AVCodecContext *avctx)
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{
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librav1eContext *ctx = avctx->priv_data;
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
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RaConfig *cfg = NULL;
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int rret;
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int ret = 0;
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cfg = rav1e_config_default();
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if (!cfg) {
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av_log(avctx, AV_LOG_ERROR, "Could not allocate rav1e config.\n");
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return AVERROR_EXTERNAL;
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}
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/*
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* Rav1e currently uses the time base given to it only for ratecontrol... where
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* the inverse is taken and used as a framerate. So, do what we do in other wrappers
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* and use the framerate if we can.
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*/
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if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
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rav1e_config_set_time_base(cfg, (RaRational) {
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avctx->framerate.den, avctx->framerate.num
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});
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} else {
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rav1e_config_set_time_base(cfg, (RaRational) {
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avctx->time_base.num * avctx->ticks_per_frame,
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avctx->time_base.den
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});
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}
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if ((avctx->flags & AV_CODEC_FLAG_PASS1 || avctx->flags & AV_CODEC_FLAG_PASS2) && !avctx->bit_rate) {
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av_log(avctx, AV_LOG_ERROR, "A bitrate must be set to use two pass mode.\n");
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ret = AVERROR_INVALIDDATA;
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goto end;
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}
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if (avctx->flags & AV_CODEC_FLAG_PASS2) {
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if (!avctx->stats_in) {
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av_log(avctx, AV_LOG_ERROR, "No stats file provided for second pass.\n");
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ret = AVERROR(EINVAL);
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goto end;
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}
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ctx->pass_size = (strlen(avctx->stats_in) * 3) / 4;
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ctx->pass_data = av_malloc(ctx->pass_size);
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if (!ctx->pass_data) {
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av_log(avctx, AV_LOG_ERROR, "Could not allocate stats buffer.\n");
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ret = AVERROR(ENOMEM);
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goto end;
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}
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ctx->pass_size = av_base64_decode(ctx->pass_data, avctx->stats_in, ctx->pass_size);
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if (ctx->pass_size < 0) {
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av_log(avctx, AV_LOG_ERROR, "Invalid pass file.\n");
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ret = AVERROR(EINVAL);
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goto end;
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}
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}
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if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
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const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
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int bret;
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if (!filter) {
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av_log(avctx, AV_LOG_ERROR, "extract_extradata bitstream filter "
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"not found. This is a bug, please report it.\n");
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ret = AVERROR_BUG;
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goto end;
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}
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bret = av_bsf_alloc(filter, &ctx->bsf);
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if (bret < 0) {
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ret = bret;
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goto end;
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}
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bret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx);
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if (bret < 0) {
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ret = bret;
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goto end;
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}
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bret = av_bsf_init(ctx->bsf);
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if (bret < 0) {
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ret = bret;
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goto end;
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}
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}
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{
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AVDictionaryEntry *en = NULL;
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while ((en = av_dict_get(ctx->rav1e_opts, "", en, AV_DICT_IGNORE_SUFFIX))) {
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int parse_ret = rav1e_config_parse(cfg, en->key, en->value);
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if (parse_ret < 0)
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av_log(avctx, AV_LOG_WARNING, "Invalid value for %s: %s.\n", en->key, en->value);
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}
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}
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rret = rav1e_config_parse_int(cfg, "width", avctx->width);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Invalid width passed to rav1e.\n");
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ret = AVERROR_INVALIDDATA;
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goto end;
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}
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rret = rav1e_config_parse_int(cfg, "height", avctx->height);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Invalid height passed to rav1e.\n");
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ret = AVERROR_INVALIDDATA;
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goto end;
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}
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rret = rav1e_config_parse_int(cfg, "threads", avctx->thread_count);
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if (rret < 0)
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av_log(avctx, AV_LOG_WARNING, "Invalid number of threads, defaulting to auto.\n");
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if (ctx->speed >= 0) {
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rret = rav1e_config_parse_int(cfg, "speed", ctx->speed);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set speed preset.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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}
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/* rav1e handles precedence between 'tiles' and cols/rows for us. */
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if (ctx->tiles > 0) {
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rret = rav1e_config_parse_int(cfg, "tiles", ctx->tiles);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set number of tiles to encode with.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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}
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if (ctx->tile_rows > 0) {
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rret = rav1e_config_parse_int(cfg, "tile_rows", ctx->tile_rows);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set number of tile rows to encode with.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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}
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if (ctx->tile_cols > 0) {
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rret = rav1e_config_parse_int(cfg, "tile_cols", ctx->tile_cols);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set number of tile cols to encode with.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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}
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if (avctx->gop_size > 0) {
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rret = rav1e_config_parse_int(cfg, "key_frame_interval", avctx->gop_size);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set max keyint.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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}
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if (avctx->keyint_min > 0) {
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rret = rav1e_config_parse_int(cfg, "min_key_frame_interval", avctx->keyint_min);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set min keyint.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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}
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if (avctx->bit_rate && ctx->quantizer < 0) {
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int max_quantizer = avctx->qmax >= 0 ? avctx->qmax : 255;
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rret = rav1e_config_parse_int(cfg, "quantizer", max_quantizer);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set max quantizer.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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if (avctx->qmin >= 0) {
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rret = rav1e_config_parse_int(cfg, "min_quantizer", avctx->qmin);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set min quantizer.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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}
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rret = rav1e_config_parse_int(cfg, "bitrate", avctx->bit_rate);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set bitrate.\n");
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ret = AVERROR_INVALIDDATA;
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goto end;
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}
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} else if (ctx->quantizer >= 0) {
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if (avctx->bit_rate)
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av_log(avctx, AV_LOG_WARNING, "Both bitrate and quantizer specified. Using quantizer mode.");
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rret = rav1e_config_parse_int(cfg, "quantizer", ctx->quantizer);
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Could not set quantizer.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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}
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rret = rav1e_config_set_pixel_format(cfg, desc->comp[0].depth,
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pix_fmt_map(avctx->pix_fmt),
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chroma_loc_map(avctx->chroma_sample_location),
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range_map(avctx->pix_fmt, avctx->color_range));
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if (rret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to set pixel format properties.\n");
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ret = AVERROR_INVALIDDATA;
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goto end;
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}
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/* rav1e's colorspace enums match standard values. */
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rret = rav1e_config_set_color_description(cfg, (RaMatrixCoefficients) avctx->colorspace,
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(RaColorPrimaries) avctx->color_primaries,
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(RaTransferCharacteristics) avctx->color_trc);
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if (rret < 0) {
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av_log(avctx, AV_LOG_WARNING, "Failed to set color properties.\n");
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if (avctx->err_recognition & AV_EF_EXPLODE) {
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ret = AVERROR_INVALIDDATA;
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goto end;
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}
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}
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ctx->ctx = rav1e_context_new(cfg);
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if (!ctx->ctx) {
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av_log(avctx, AV_LOG_ERROR, "Failed to create rav1e encode context.\n");
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ret = AVERROR_EXTERNAL;
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goto end;
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}
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ret = 0;
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end:
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rav1e_config_unref(cfg);
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return ret;
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}
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static int librav1e_send_frame(AVCodecContext *avctx, const AVFrame *frame)
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{
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librav1eContext *ctx = avctx->priv_data;
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RaFrame *rframe = NULL;
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int ret;
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if (frame) {
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
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rframe = rav1e_frame_new(ctx->ctx);
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if (!rframe) {
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av_log(avctx, AV_LOG_ERROR, "Could not allocate new rav1e frame.\n");
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return AVERROR(ENOMEM);
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}
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for (int i = 0; i < desc->nb_components; i++) {
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int shift = i ? desc->log2_chroma_h : 0;
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int bytes = desc->comp[0].depth == 8 ? 1 : 2;
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rav1e_frame_fill_plane(rframe, i, frame->data[i],
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(frame->height >> shift) * frame->linesize[i],
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frame->linesize[i], bytes);
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}
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}
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ret = rav1e_send_frame(ctx->ctx, rframe);
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if (rframe)
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rav1e_frame_unref(rframe); /* No need to unref if flushing. */
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switch (ret) {
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case RA_ENCODER_STATUS_SUCCESS:
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break;
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case RA_ENCODER_STATUS_ENOUGH_DATA:
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return AVERROR(EAGAIN);
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case RA_ENCODER_STATUS_FAILURE:
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av_log(avctx, AV_LOG_ERROR, "Could not send frame: %s\n", rav1e_status_to_str(ret));
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return AVERROR_EXTERNAL;
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default:
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av_log(avctx, AV_LOG_ERROR, "Unknown return code %d from rav1e_send_frame: %s\n", ret, rav1e_status_to_str(ret));
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return AVERROR_UNKNOWN;
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}
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return 0;
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}
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static int librav1e_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
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{
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librav1eContext *ctx = avctx->priv_data;
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RaPacket *rpkt = NULL;
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int ret;
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retry:
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if (avctx->flags & AV_CODEC_FLAG_PASS1) {
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int sret = get_stats(avctx, 0);
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if (sret < 0)
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return sret;
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} else if (avctx->flags & AV_CODEC_FLAG_PASS2) {
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int sret = set_stats(avctx);
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if (sret < 0)
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return sret;
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}
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ret = rav1e_receive_packet(ctx->ctx, &rpkt);
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switch (ret) {
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case RA_ENCODER_STATUS_SUCCESS:
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break;
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case RA_ENCODER_STATUS_LIMIT_REACHED:
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if (avctx->flags & AV_CODEC_FLAG_PASS1) {
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int sret = get_stats(avctx, 1);
|
|
if (sret < 0)
|
|
return sret;
|
|
}
|
|
return AVERROR_EOF;
|
|
case RA_ENCODER_STATUS_ENCODED:
|
|
if (avctx->internal->draining)
|
|
goto retry;
|
|
return AVERROR(EAGAIN);
|
|
case RA_ENCODER_STATUS_NEED_MORE_DATA:
|
|
if (avctx->internal->draining) {
|
|
av_log(avctx, AV_LOG_ERROR, "Unexpected error when receiving packet after EOF.\n");
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
return AVERROR(EAGAIN);
|
|
case RA_ENCODER_STATUS_FAILURE:
|
|
av_log(avctx, AV_LOG_ERROR, "Could not encode frame: %s\n", rav1e_status_to_str(ret));
|
|
return AVERROR_EXTERNAL;
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "Unknown return code %d from rav1e_receive_packet: %s\n", ret, rav1e_status_to_str(ret));
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
ret = av_new_packet(pkt, rpkt->len);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Could not allocate packet.\n");
|
|
rav1e_packet_unref(rpkt);
|
|
return ret;
|
|
}
|
|
|
|
memcpy(pkt->data, rpkt->data, rpkt->len);
|
|
|
|
if (rpkt->frame_type == RA_FRAME_TYPE_KEY)
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
|
|
pkt->pts = pkt->dts = rpkt->input_frameno * avctx->ticks_per_frame;
|
|
rav1e_packet_unref(rpkt);
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
|
|
int ret = av_bsf_send_packet(ctx->bsf, pkt);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "extradata extraction send failed.\n");
|
|
av_packet_unref(pkt);
|
|
return ret;
|
|
}
|
|
|
|
ret = av_bsf_receive_packet(ctx->bsf, pkt);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "extradata extraction receive failed.\n");
|
|
av_packet_unref(pkt);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(librav1eContext, x)
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
|
|
static const AVOption options[] = {
|
|
{ "qp", "use constant quantizer mode", OFFSET(quantizer), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 255, VE },
|
|
{ "speed", "what speed preset to use", OFFSET(speed), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 10, VE },
|
|
{ "tiles", "number of tiles encode with", OFFSET(tiles), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT64_MAX, VE },
|
|
{ "tile-rows", "number of tiles rows to encode with", OFFSET(tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT64_MAX, VE },
|
|
{ "tile-columns", "number of tiles columns to encode with", OFFSET(tile_cols), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT64_MAX, VE },
|
|
{ "rav1e-params", "set the rav1e configuration using a :-separated list of key=value parameters", OFFSET(rav1e_opts), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVCodecDefault librav1e_defaults[] = {
|
|
{ "b", "0" },
|
|
{ "g", "0" },
|
|
{ "keyint_min", "0" },
|
|
{ "qmax", "-1" },
|
|
{ "qmin", "-1" },
|
|
{ NULL }
|
|
};
|
|
|
|
const enum AVPixelFormat librav1e_pix_fmts[] = {
|
|
AV_PIX_FMT_YUV420P,
|
|
AV_PIX_FMT_YUVJ420P,
|
|
AV_PIX_FMT_YUV420P10,
|
|
AV_PIX_FMT_YUV420P12,
|
|
AV_PIX_FMT_YUV422P,
|
|
AV_PIX_FMT_YUVJ422P,
|
|
AV_PIX_FMT_YUV422P10,
|
|
AV_PIX_FMT_YUV422P12,
|
|
AV_PIX_FMT_YUV444P,
|
|
AV_PIX_FMT_YUVJ444P,
|
|
AV_PIX_FMT_YUV444P10,
|
|
AV_PIX_FMT_YUV444P12,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
|
|
static const AVClass class = {
|
|
.class_name = "librav1e",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
AVCodec ff_librav1e_encoder = {
|
|
.name = "librav1e",
|
|
.long_name = NULL_IF_CONFIG_SMALL("librav1e AV1"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_AV1,
|
|
.init = librav1e_encode_init,
|
|
.send_frame = librav1e_send_frame,
|
|
.receive_packet = librav1e_receive_packet,
|
|
.close = librav1e_encode_close,
|
|
.priv_data_size = sizeof(librav1eContext),
|
|
.priv_class = &class,
|
|
.defaults = librav1e_defaults,
|
|
.pix_fmts = librav1e_pix_fmts,
|
|
.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
|
|
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
|
|
.wrapper_name = "librav1e",
|
|
};
|