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Deprecated avcodec_decode_video2 is replaced with
avcodec_send_packet and avcodec_receive_frame.
https://www.ffmpeg.org/doxygen/3.1/group__lavc__encdec.html

Setting av_context_->refcounted_frames=1 is removed. This
is automatically enabled if avcodec_receive_frame us used.

Bug: webrtc:8493
Change-Id: Id1d2b1315717f4553fb7fc182197f9429bd31daf
Reviewed-on: https://webrtc-review.googlesource.com/18462
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20601}
This commit is contained in:
Sergey Silkin
2017-11-08 13:06:32 +01:00
committed by Commit Bot
parent 79eb1d98eb
commit 8c37b618b1
1 changed files with 13 additions and 20 deletions
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33
modules/video_coding/codecs/h264/h264_decoder_impl.cc
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@ -239,8 +239,6 @@ int32_t H264DecoderImpl::InitDecode(const VideoCodec* codec_settings,
// |get_buffer2| is called with the context, there |opaque| can be used to get
// a pointer |this|.
av_context_->opaque = this;
// Use ref counted frames (av_frame_unref).
av_context_->refcounted_frames = 1; // true
AVCodec* codec = avcodec_find_decoder(av_context_->codec_id);
if (!codec) {
@ -320,32 +318,27 @@ int32_t H264DecoderImpl::Decode(const EncodedImage& input_image,
return WEBRTC_VIDEO_CODEC_ERROR;
}
packet.size = static_cast<int>(input_image._length);
av_context_->reordered_opaque = input_image.ntp_time_ms_ * 1000; // ms -> μs
int64_t frame_timestamp_us = input_image.ntp_time_ms_ * 1000; // ms -> μs
av_context_->reordered_opaque = frame_timestamp_us;
int frame_decoded = 0;
int result = avcodec_decode_video2(av_context_.get(),
av_frame_.get(),
&frame_decoded,
&packet);
int result = avcodec_send_packet(av_context_.get(), &packet);
if (result < 0) {
LOG(LS_ERROR) << "avcodec_decode_video2 error: " << result;
ReportError();
return WEBRTC_VIDEO_CODEC_ERROR;
}
// |result| is number of bytes used, which should be all of them.
if (result != packet.size) {
LOG(LS_ERROR) << "avcodec_decode_video2 consumed " << result << " bytes "
"when " << packet.size << " bytes were expected.";
LOG(LS_ERROR) << "avcodec_send_packet error: " << result;
ReportError();
return WEBRTC_VIDEO_CODEC_ERROR;
}
if (!frame_decoded) {
LOG(LS_WARNING) << "avcodec_decode_video2 successful but no frame was "
"decoded.";
return WEBRTC_VIDEO_CODEC_OK;
result = avcodec_receive_frame(av_context_.get(), av_frame_.get());
if (result < 0) {
LOG(LS_ERROR) << "avcodec_receive_frame error: " << result;
ReportError();
return WEBRTC_VIDEO_CODEC_ERROR;
}
// We don't expect reordering. Decoded frame tamestamp should match
// the input one.
RTC_DCHECK_EQ(av_frame_->reordered_opaque, frame_timestamp_us);
// Obtain the |video_frame| containing the decoded image.
VideoFrame* video_frame = static_cast<VideoFrame*>(
av_buffer_get_opaque(av_frame_->buf[0]));