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Copy codec parameters from context

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Now that the recorder have access to the codec context, it may
automatically initialize the stream codec parameters.

The V4L2 sink could do the same.
This commit is contained in:
Romain Vimont 2023-03-10 22:46:56 +01:00
parent a9f6001f51
commit be985b8242
2 changed files with 16 additions and 15 deletions
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23
app/src/recorder.c
View file

@ -473,9 +473,12 @@ sc_recorder_video_packet_sink_open(struct sc_packet_sink *sink,
return false;
}
stream->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
stream->codecpar->codec_id = ctx->codec->id;
stream->codecpar->format = AV_PIX_FMT_YUV420P;
int r = avcodec_parameters_from_context(stream->codecpar, ctx);
if (r < 0) {
sc_mutex_unlock(&recorder->mutex);
return false;
}
stream->codecpar->width = recorder->declared_frame_size.width;
stream->codecpar->height = recorder->declared_frame_size.height;
@ -554,15 +557,11 @@ sc_recorder_audio_packet_sink_open(struct sc_packet_sink *sink,
return false;
}
stream->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
stream->codecpar->codec_id = ctx->codec->id;
#ifdef SCRCPY_LAVU_HAS_CHLAYOUT
stream->codecpar->ch_layout.nb_channels = 2;
#else
stream->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
stream->codecpar->channels = 2;
#endif
stream->codecpar->sample_rate = 48000;
int r = avcodec_parameters_from_context(stream->codecpar, ctx);
if (r < 0) {
sc_mutex_unlock(&recorder->mutex);
return false;
}
recorder->audio_stream_index = stream->index;

8
app/src/v4l2_sink.c
View file

@ -205,9 +205,11 @@ sc_v4l2_sink_open(struct sc_v4l2_sink *vs, const AVCodecContext *ctx) {
goto error_avformat_free_context;
}
ostream->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
ostream->codecpar->codec_id = encoder->id;
ostream->codecpar->format = AV_PIX_FMT_YUV420P;
int r = avcodec_parameters_from_context(ostream->codecpar, ctx);
if (r < 0) {
goto error_avformat_free_context;
}
ostream->codecpar->width = vs->frame_size.width;
ostream->codecpar->height = vs->frame_size.height;