find_best_stream()

int MayaFlux::IO::FFmpegDemuxContext::find_best_stream	(	int	media_type,
		const void **	out_codec = nullptr
	)		const

Find the best stream of the requested media type.

Parameters

media_type	AVMediaType value (AVMEDIA_TYPE_AUDIO, AVMEDIA_TYPE_VIDEO, …)
out_codec	Receives a pointer to the matched codec (may be nullptr if caller does not need it).

Returns

Stream index ≥ 0 on success, negative on failure.

Definition at line 100 of file FFmpegDemuxContext.cpp.

{
    if (!format_context)
        return -1;
 
    const AVCodec* codec = nullptr;
    int idx = av_find_best_stream(
        format_context,
        static_cast<AVMediaType>(media_type),
        -1, -1,
        &codec,
        0);
 
    if (out_codec)
        *out_codec = codec;
 
    return idx;
}

References format_context.

Referenced by MayaFlux::IO::SoundFileReader::can_read(), MayaFlux::IO::AudioStreamContext::open(), MayaFlux::IO::VideoStreamContext::open(), and MayaFlux::IO::VideoStreamContext::open_device().

Here is the caller graph for this function: