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examples/transcode-audio: use ChannelLayoutIter.best()

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lummax 2015-09-11 14:38:54 +02:00 committed by meh
parent c8a38a926f
commit b06ebec3b6
1 changed files with 6 additions and 2 deletions
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8
examples/transcode-audio.rs
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@ -53,9 +53,13 @@ fn transcoder<P: AsRef<Path>>(ictx: &mut format::context::Input, octx: &mut form
let mut output = octx.add_stream(&codec); let mut output = octx.add_stream(&codec);
let mut encoder = try!(output.codec().encoder().audio()); let mut encoder = try!(output.codec().encoder().audio());
let channel_layout = codec.channel_layouts()
.map(|cls| cls.best(decoder.channel_layout().channels()))
.unwrap_or(ffmpeg::channel_layout::STEREO);
encoder.set_rate(decoder.rate() as i32); encoder.set_rate(decoder.rate() as i32);
encoder.set_channel_layout(decoder.channel_layout()); encoder.set_channel_layout(channel_layout);
encoder.set_channels(decoder.channel_layout().channels()); encoder.set_channels(channel_layout.channels());
encoder.set_format(codec.formats().expect("unknown supported formats").next().unwrap()); encoder.set_format(codec.formats().expect("unknown supported formats").next().unwrap());
output.set_time_base((1, decoder.rate() as i32)); output.set_time_base((1, decoder.rate() as i32));