mirror of
https://github.com/nyanmisaka/ffmpeg-rockchip.git
synced 2025-10-31 12:36:41 +08:00
728 lines
23 KiB
C
728 lines
23 KiB
C
/*
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* generic encoding-related code
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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 "libavutil/attributes.h"
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#include "libavutil/avassert.h"
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#include "libavutil/channel_layout.h"
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#include "libavutil/frame.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/internal.h"
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#include "libavutil/samplefmt.h"
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#include "avcodec.h"
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#include "codec_internal.h"
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#include "encode.h"
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#include "frame_thread_encoder.h"
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#include "internal.h"
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int ff_alloc_packet(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
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{
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if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
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av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
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size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
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return AVERROR(EINVAL);
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}
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av_assert0(!avpkt->data);
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av_fast_padded_malloc(&avctx->internal->byte_buffer,
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&avctx->internal->byte_buffer_size, size);
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avpkt->data = avctx->internal->byte_buffer;
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if (!avpkt->data) {
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av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
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return AVERROR(ENOMEM);
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}
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avpkt->size = size;
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return 0;
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}
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int avcodec_default_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int flags)
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{
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int ret;
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if (avpkt->size < 0 || avpkt->size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
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return AVERROR(EINVAL);
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if (avpkt->data || avpkt->buf) {
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av_log(avctx, AV_LOG_ERROR, "avpkt->{data,buf} != NULL in avcodec_default_get_encode_buffer()\n");
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return AVERROR(EINVAL);
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}
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ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %d\n", avpkt->size);
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return ret;
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}
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avpkt->data = avpkt->buf->data;
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return 0;
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}
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int ff_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int flags)
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{
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int ret;
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if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
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return AVERROR(EINVAL);
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av_assert0(!avpkt->data && !avpkt->buf);
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avpkt->size = size;
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ret = avctx->get_encode_buffer(avctx, avpkt, flags);
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if (ret < 0)
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goto fail;
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if (!avpkt->data || !avpkt->buf) {
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av_log(avctx, AV_LOG_ERROR, "No buffer returned by get_encode_buffer()\n");
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ret = AVERROR(EINVAL);
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goto fail;
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}
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memset(avpkt->data + avpkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
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ret = 0;
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fail:
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "get_encode_buffer() failed\n");
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av_packet_unref(avpkt);
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}
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return ret;
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}
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static int encode_make_refcounted(AVCodecContext *avctx, AVPacket *avpkt)
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{
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uint8_t *data = avpkt->data;
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int ret;
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if (avpkt->buf)
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return 0;
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avpkt->data = NULL;
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ret = ff_get_encode_buffer(avctx, avpkt, avpkt->size, 0);
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if (ret < 0)
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return ret;
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memcpy(avpkt->data, data, avpkt->size);
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return 0;
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}
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/**
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* Pad last frame with silence.
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*/
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static int pad_last_frame(AVCodecContext *s, AVFrame *frame, const AVFrame *src, int out_samples)
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{
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int ret;
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frame->format = src->format;
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frame->nb_samples = out_samples;
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ret = av_channel_layout_copy(&frame->ch_layout, &s->ch_layout);
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if (ret < 0)
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goto fail;
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ret = av_frame_get_buffer(frame, 0);
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if (ret < 0)
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goto fail;
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ret = av_frame_copy_props(frame, src);
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if (ret < 0)
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goto fail;
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if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
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src->nb_samples, s->ch_layout.nb_channels,
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s->sample_fmt)) < 0)
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goto fail;
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if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
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frame->nb_samples - src->nb_samples,
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s->ch_layout.nb_channels, s->sample_fmt)) < 0)
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goto fail;
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return 0;
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fail:
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av_frame_unref(frame);
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s->internal->last_audio_frame = 0;
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return ret;
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}
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int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
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const AVSubtitle *sub)
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{
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int ret;
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if (sub->start_display_time) {
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av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
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return -1;
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}
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ret = ffcodec(avctx->codec)->cb.encode_sub(avctx, buf, buf_size, sub);
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avctx->frame_number++;
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return ret;
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}
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int ff_encode_get_frame(AVCodecContext *avctx, AVFrame *frame)
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{
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AVCodecInternal *avci = avctx->internal;
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if (avci->draining)
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return AVERROR_EOF;
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if (!avci->buffer_frame->buf[0])
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return AVERROR(EAGAIN);
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av_frame_move_ref(frame, avci->buffer_frame);
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return 0;
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}
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int ff_encode_encode_cb(AVCodecContext *avctx, AVPacket *avpkt,
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AVFrame *frame, int *got_packet)
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{
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const FFCodec *const codec = ffcodec(avctx->codec);
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int ret;
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ret = codec->cb.encode(avctx, avpkt, frame, got_packet);
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emms_c();
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av_assert0(ret <= 0);
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if (!ret && *got_packet) {
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if (avpkt->data) {
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ret = encode_make_refcounted(avctx, avpkt);
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if (ret < 0)
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goto unref;
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// Date returned by encoders must always be ref-counted
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av_assert0(avpkt->buf);
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}
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// set the timestamps for the simple no-delay case
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// encoders with delay have to set the timestamps themselves
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if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
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if (avpkt->pts == AV_NOPTS_VALUE)
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avpkt->pts = frame->pts;
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if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
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if (!avpkt->duration)
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avpkt->duration = ff_samples_to_time_base(avctx,
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frame->nb_samples);
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}
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}
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// dts equals pts unless there is reordering
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// there can be no reordering if there is no encoder delay
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if (!(avctx->codec_descriptor->props & AV_CODEC_PROP_REORDER) ||
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!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
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avpkt->dts = avpkt->pts;
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} else {
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unref:
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av_packet_unref(avpkt);
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}
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#if !FF_API_THREAD_SAFE_CALLBACKS
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if (frame)
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av_frame_unref(frame);
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#endif
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return ret;
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}
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static int encode_simple_internal(AVCodecContext *avctx, AVPacket *avpkt)
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{
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AVCodecInternal *avci = avctx->internal;
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AVFrame *frame = avci->in_frame;
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const FFCodec *const codec = ffcodec(avctx->codec);
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int got_packet;
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int ret;
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if (avci->draining_done)
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return AVERROR_EOF;
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if (!frame->buf[0] && !avci->draining) {
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av_frame_unref(frame);
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ret = ff_encode_get_frame(avctx, frame);
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if (ret < 0 && ret != AVERROR_EOF)
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return ret;
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}
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if (!frame->buf[0]) {
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if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY ||
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avci->frame_thread_encoder))
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return AVERROR_EOF;
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// Flushing is signaled with a NULL frame
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frame = NULL;
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}
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got_packet = 0;
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av_assert0(codec->cb_type == FF_CODEC_CB_TYPE_ENCODE);
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if (CONFIG_FRAME_THREAD_ENCODER && avci->frame_thread_encoder)
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/* This will unref frame. */
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ret = ff_thread_video_encode_frame(avctx, avpkt, frame, &got_packet);
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else {
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ret = ff_encode_encode_cb(avctx, avpkt, frame, &got_packet);
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#if FF_API_THREAD_SAFE_CALLBACKS
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if (frame)
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av_frame_unref(frame);
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#endif
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}
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if (avci->draining && !got_packet)
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avci->draining_done = 1;
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return ret;
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}
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static int encode_simple_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
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{
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int ret;
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while (!avpkt->data && !avpkt->side_data) {
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ret = encode_simple_internal(avctx, avpkt);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static int encode_receive_packet_internal(AVCodecContext *avctx, AVPacket *avpkt)
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{
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AVCodecInternal *avci = avctx->internal;
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int ret;
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if (avci->draining_done)
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return AVERROR_EOF;
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av_assert0(!avpkt->data && !avpkt->side_data);
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if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
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if ((avctx->flags & AV_CODEC_FLAG_PASS1) && avctx->stats_out)
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avctx->stats_out[0] = '\0';
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if (av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx))
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return AVERROR(EINVAL);
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}
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if (ffcodec(avctx->codec)->cb_type == FF_CODEC_CB_TYPE_RECEIVE_PACKET) {
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ret = ffcodec(avctx->codec)->cb.receive_packet(avctx, avpkt);
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if (ret < 0)
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av_packet_unref(avpkt);
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else
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// Encoders must always return ref-counted buffers.
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// Side-data only packets have no data and can be not ref-counted.
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av_assert0(!avpkt->data || avpkt->buf);
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} else
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ret = encode_simple_receive_packet(avctx, avpkt);
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if (ret >= 0)
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avpkt->flags |= avci->intra_only_flag;
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if (ret == AVERROR_EOF)
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avci->draining_done = 1;
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return ret;
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}
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#if CONFIG_LCMS2
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static int encode_generate_icc_profile(AVCodecContext *avctx, AVFrame *frame)
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{
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enum AVColorTransferCharacteristic trc = frame->color_trc;
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enum AVColorPrimaries prim = frame->color_primaries;
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const FFCodec *const codec = ffcodec(avctx->codec);
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AVCodecInternal *avci = avctx->internal;
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cmsHPROFILE profile;
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int ret;
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/* don't generate ICC profiles if disabled or unsupported */
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if (!(avctx->flags2 & AV_CODEC_FLAG2_ICC_PROFILES))
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return 0;
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if (!(codec->caps_internal & FF_CODEC_CAP_ICC_PROFILES))
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return 0;
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if (trc == AVCOL_TRC_UNSPECIFIED)
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trc = avctx->color_trc;
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if (prim == AVCOL_PRI_UNSPECIFIED)
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prim = avctx->color_primaries;
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if (trc == AVCOL_TRC_UNSPECIFIED || prim == AVCOL_PRI_UNSPECIFIED)
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return 0; /* can't generate ICC profile with missing csp tags */
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if (av_frame_get_side_data(frame, AV_FRAME_DATA_ICC_PROFILE))
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return 0; /* don't overwrite existing ICC profile */
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if (!avci->icc.avctx) {
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ret = ff_icc_context_init(&avci->icc, avctx);
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if (ret < 0)
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return ret;
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}
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ret = ff_icc_profile_generate(&avci->icc, prim, trc, &profile);
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if (ret < 0)
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return ret;
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ret = ff_icc_profile_attach(&avci->icc, profile, frame);
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cmsCloseProfile(profile);
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return ret;
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}
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#else /* !CONFIG_LCMS2 */
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static int encode_generate_icc_profile(av_unused AVCodecContext *c, av_unused AVFrame *f)
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{
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return 0;
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}
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#endif
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static int encode_send_frame_internal(AVCodecContext *avctx, const AVFrame *src)
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{
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AVCodecInternal *avci = avctx->internal;
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AVFrame *dst = avci->buffer_frame;
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int ret;
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if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
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/* extract audio service type metadata */
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AVFrameSideData *sd = av_frame_get_side_data(src, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
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if (sd && sd->size >= sizeof(enum AVAudioServiceType))
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avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
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/* check for valid frame size */
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if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
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/* if we already got an undersized frame, that must have been the last */
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if (avctx->internal->last_audio_frame) {
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av_log(avctx, AV_LOG_ERROR, "frame_size (%d) was not respected for a non-last frame\n", avctx->frame_size);
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return AVERROR(EINVAL);
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}
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if (src->nb_samples > avctx->frame_size) {
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av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) > frame_size (%d)\n", src->nb_samples, avctx->frame_size);
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return AVERROR(EINVAL);
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}
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if (src->nb_samples < avctx->frame_size) {
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avctx->internal->last_audio_frame = 1;
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if (!(avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME)) {
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int pad_samples = avci->pad_samples ? avci->pad_samples : avctx->frame_size;
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int out_samples = (src->nb_samples + pad_samples - 1) / pad_samples * pad_samples;
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if (out_samples != src->nb_samples) {
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ret = pad_last_frame(avctx, dst, src, out_samples);
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if (ret < 0)
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return ret;
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goto finish;
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}
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}
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}
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}
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}
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ret = av_frame_ref(dst, src);
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if (ret < 0)
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return ret;
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finish:
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#if FF_API_PKT_DURATION
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FF_DISABLE_DEPRECATION_WARNINGS
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if (dst->pkt_duration && dst->pkt_duration != dst->duration)
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dst->duration = dst->pkt_duration;
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FF_ENABLE_DEPRECATION_WARNINGS
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#endif
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if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
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ret = encode_generate_icc_profile(avctx, dst);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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int attribute_align_arg avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
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{
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AVCodecInternal *avci = avctx->internal;
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int ret;
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if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
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return AVERROR(EINVAL);
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if (avci->draining)
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return AVERROR_EOF;
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if (avci->buffer_frame->buf[0])
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return AVERROR(EAGAIN);
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if (!frame) {
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avci->draining = 1;
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} else {
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ret = encode_send_frame_internal(avctx, frame);
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if (ret < 0)
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return ret;
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}
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if (!avci->buffer_pkt->data && !avci->buffer_pkt->side_data) {
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ret = encode_receive_packet_internal(avctx, avci->buffer_pkt);
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if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
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return ret;
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}
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avctx->frame_number++;
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return 0;
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}
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int attribute_align_arg avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
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{
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AVCodecInternal *avci = avctx->internal;
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int ret;
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av_packet_unref(avpkt);
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if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
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return AVERROR(EINVAL);
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if (avci->buffer_pkt->data || avci->buffer_pkt->side_data) {
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av_packet_move_ref(avpkt, avci->buffer_pkt);
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} else {
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ret = encode_receive_packet_internal(avctx, avpkt);
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if (ret < 0)
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|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int encode_preinit_video(AVCodecContext *avctx)
|
|
{
|
|
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
|
|
int i;
|
|
|
|
if (avctx->codec->pix_fmts) {
|
|
for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
|
|
if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
|
|
break;
|
|
if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE) {
|
|
char buf[128];
|
|
snprintf(buf, sizeof(buf), "%d", avctx->pix_fmt);
|
|
av_log(avctx, AV_LOG_ERROR, "Specified pixel format %s is invalid or not supported\n",
|
|
(char *)av_x_if_null(av_get_pix_fmt_name(avctx->pix_fmt), buf));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
|
|
avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ411P ||
|
|
avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
|
|
avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
|
|
avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
|
|
avctx->color_range = AVCOL_RANGE_JPEG;
|
|
}
|
|
|
|
if ( avctx->bits_per_raw_sample < 0
|
|
|| (avctx->bits_per_raw_sample > 8 && pixdesc->comp[0].depth <= 8)) {
|
|
av_log(avctx, AV_LOG_WARNING, "Specified bit depth %d not possible with the specified pixel formats depth %d\n",
|
|
avctx->bits_per_raw_sample, pixdesc->comp[0].depth);
|
|
avctx->bits_per_raw_sample = pixdesc->comp[0].depth;
|
|
}
|
|
if (avctx->width <= 0 || avctx->height <= 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->ticks_per_frame && avctx->time_base.num &&
|
|
avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"ticks_per_frame %d too large for the timebase %d/%d.",
|
|
avctx->ticks_per_frame,
|
|
avctx->time_base.num,
|
|
avctx->time_base.den);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->hw_frames_ctx) {
|
|
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
|
|
if (frames_ctx->format != avctx->pix_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Mismatching AVCodecContext.pix_fmt and AVHWFramesContext.format\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (avctx->sw_pix_fmt != AV_PIX_FMT_NONE &&
|
|
avctx->sw_pix_fmt != frames_ctx->sw_format) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Mismatching AVCodecContext.sw_pix_fmt (%s) "
|
|
"and AVHWFramesContext.sw_format (%s)\n",
|
|
av_get_pix_fmt_name(avctx->sw_pix_fmt),
|
|
av_get_pix_fmt_name(frames_ctx->sw_format));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
avctx->sw_pix_fmt = frames_ctx->sw_format;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int encode_preinit_audio(AVCodecContext *avctx)
|
|
{
|
|
int i;
|
|
|
|
if (avctx->codec->sample_fmts) {
|
|
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
|
|
if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
|
|
break;
|
|
if (avctx->ch_layout.nb_channels == 1 &&
|
|
av_get_planar_sample_fmt(avctx->sample_fmt) ==
|
|
av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
|
|
avctx->sample_fmt = avctx->codec->sample_fmts[i];
|
|
break;
|
|
}
|
|
}
|
|
if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
|
|
char buf[128];
|
|
snprintf(buf, sizeof(buf), "%d", avctx->sample_fmt);
|
|
av_log(avctx, AV_LOG_ERROR, "Specified sample format %s is invalid or not supported\n",
|
|
(char *)av_x_if_null(av_get_sample_fmt_name(avctx->sample_fmt), buf));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
}
|
|
if (avctx->codec->supported_samplerates) {
|
|
for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
|
|
if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
|
|
break;
|
|
if (avctx->codec->supported_samplerates[i] == 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
|
|
avctx->sample_rate);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
}
|
|
if (avctx->sample_rate < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
|
|
avctx->sample_rate);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (avctx->codec->ch_layouts) {
|
|
for (i = 0; avctx->codec->ch_layouts[i].nb_channels; i++) {
|
|
if (!av_channel_layout_compare(&avctx->ch_layout, &avctx->codec->ch_layouts[i]))
|
|
break;
|
|
}
|
|
if (!avctx->codec->ch_layouts[i].nb_channels) {
|
|
char buf[512];
|
|
int ret = av_channel_layout_describe(&avctx->ch_layout, buf, sizeof(buf));
|
|
if (ret > 0)
|
|
av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
}
|
|
|
|
if (!avctx->bits_per_raw_sample)
|
|
avctx->bits_per_raw_sample = 8 * av_get_bytes_per_sample(avctx->sample_fmt);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_encode_preinit(AVCodecContext *avctx)
|
|
{
|
|
AVCodecInternal *avci = avctx->internal;
|
|
int ret = 0;
|
|
|
|
if (avctx->time_base.num <= 0 || avctx->time_base.den <= 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "The encoder timebase is not set.\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
switch (avctx->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO: ret = encode_preinit_video(avctx); break;
|
|
case AVMEDIA_TYPE_AUDIO: ret = encode_preinit_audio(avctx); break;
|
|
}
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if ( (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
&& avctx->bit_rate>0 && avctx->bit_rate<1000) {
|
|
av_log(avctx, AV_LOG_WARNING, "Bitrate %"PRId64" is extremely low, maybe you mean %"PRId64"k\n", avctx->bit_rate, avctx->bit_rate);
|
|
}
|
|
|
|
if (!avctx->rc_initial_buffer_occupancy)
|
|
avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3LL / 4;
|
|
|
|
if (avctx->codec_descriptor->props & AV_CODEC_PROP_INTRA_ONLY)
|
|
avctx->internal->intra_only_flag = AV_PKT_FLAG_KEY;
|
|
|
|
if (ffcodec(avctx->codec)->cb_type == FF_CODEC_CB_TYPE_ENCODE) {
|
|
avci->in_frame = av_frame_alloc();
|
|
if (!avci->in_frame)
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
if ((avctx->flags & AV_CODEC_FLAG_RECON_FRAME)) {
|
|
if (!(avctx->codec->capabilities & AV_CODEC_CAP_ENCODER_RECON_FRAME)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Reconstructed frame output requested "
|
|
"from an encoder not supporting it\n");
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
avci->recon_frame = av_frame_alloc();
|
|
if (!avci->recon_frame)
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
if (CONFIG_FRAME_THREAD_ENCODER) {
|
|
ret = ff_frame_thread_encoder_init(avctx);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_encode_alloc_frame(AVCodecContext *avctx, AVFrame *frame)
|
|
{
|
|
int ret;
|
|
|
|
switch (avctx->codec->type) {
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
frame->format = avctx->pix_fmt;
|
|
if (frame->width <= 0 || frame->height <= 0) {
|
|
frame->width = FFMAX(avctx->width, avctx->coded_width);
|
|
frame->height = FFMAX(avctx->height, avctx->coded_height);
|
|
}
|
|
|
|
break;
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
frame->sample_rate = avctx->sample_rate;
|
|
frame->format = avctx->sample_fmt;
|
|
if (!frame->ch_layout.nb_channels) {
|
|
ret = av_channel_layout_copy(&frame->ch_layout, &avctx->ch_layout);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
break;
|
|
}
|
|
|
|
ret = avcodec_default_get_buffer2(avctx, frame, 0);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
|
|
av_frame_unref(frame);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_encode_receive_frame(AVCodecContext *avctx, AVFrame *frame)
|
|
{
|
|
AVCodecInternal *avci = avctx->internal;
|
|
|
|
if (!avci->recon_frame)
|
|
return AVERROR(EINVAL);
|
|
if (!avci->recon_frame->buf[0])
|
|
return avci->draining_done ? AVERROR_EOF : AVERROR(EAGAIN);
|
|
|
|
av_frame_move_ref(frame, avci->recon_frame);
|
|
return 0;
|
|
}
|