Kieran/ffmpeg-rs-raw
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feat: audio audio channel count

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Kieran
2025-06-09 11:23:38 +01:00
parent 29ab054747
commit 7a7d116ce0
3 changed files with 24 additions and 19 deletions
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8
src/audio_fifo.rs
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@ -78,16 +78,16 @@ mod tests {
#[test]
fn test_buffer() -> Result<()> {
unsafe {
let mut buf = AudioFifo::new(AVSampleFormat::AV_SAMPLE_FMT_S16, 2)?;
let mut buf = AudioFifo::new(AVSampleFormat::AV_SAMPLE_FMT_FLTP, 2)?;
let mut enc = Encoder::new_with_name("libfdk_aac")?
.with_sample_format(AVSampleFormat::AV_SAMPLE_FMT_S16)
let mut enc = Encoder::new_with_name("aac")?
.with_sample_format(AVSampleFormat::AV_SAMPLE_FMT_FLTP)
.with_sample_rate(48_000)?
.with_default_channel_layout(2)
.open(None)?;
let mut demo_frame = av_frame_alloc();
(*demo_frame).format = AVSampleFormat::AV_SAMPLE_FMT_S16 as _;
(*demo_frame).format = AVSampleFormat::AV_SAMPLE_FMT_FLTP as _;
(*demo_frame).ch_layout = AVChannelLayout::empty();
av_channel_layout_default(&mut (*demo_frame).ch_layout, 2);
(*demo_frame).nb_samples = 2048;

33
src/demux.rs
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@ -107,7 +107,7 @@ impl Demuxer {
let ret = avformat_open_input(
&mut self.ctx,
if let Some(url) = url {
cstr!(url.as_str())
cstr!(url.as_str()) as _
} else {
ptr::null_mut()
},
@ -173,42 +173,45 @@ impl Demuxer {
AVMediaType::AVMEDIA_TYPE_VIDEO => {
streams.push(StreamInfo {
stream,
index: (*stream).index as usize,
codec: (*(*stream).codecpar).codec_id as isize,
index: (*stream).index as _,
codec: (*(*stream).codecpar).codec_id as _,
stream_type: StreamType::Video,
width: (*(*stream).codecpar).width as usize,
height: (*(*stream).codecpar).height as usize,
fps: av_q2d((*stream).avg_frame_rate) as f32,
format: (*(*stream).codecpar).format as isize,
width: (*(*stream).codecpar).width as _,
height: (*(*stream).codecpar).height as _,
fps: av_q2d((*stream).avg_frame_rate) as _,
format: (*(*stream).codecpar).format as _,
sample_rate: 0,
channels: 0,
language,
});
}
AVMediaType::AVMEDIA_TYPE_AUDIO => {
streams.push(StreamInfo {
stream,
index: (*stream).index as usize,
codec: (*(*stream).codecpar).codec_id as isize,
index: (*stream).index as _,
codec: (*(*stream).codecpar).codec_id as _,
stream_type: StreamType::Audio,
width: (*(*stream).codecpar).width as usize,
height: (*(*stream).codecpar).height as usize,
width: (*(*stream).codecpar).width as _,
height: (*(*stream).codecpar).height as _,
fps: 0.0,
format: (*(*stream).codecpar).format as isize,
sample_rate: (*(*stream).codecpar).sample_rate as usize,
format: (*(*stream).codecpar).format as _,
sample_rate: (*(*stream).codecpar).sample_rate as _,
channels: (*(*stream).codecpar).ch_layout.nb_channels as _,
language,
});
}
AVMediaType::AVMEDIA_TYPE_SUBTITLE => {
streams.push(StreamInfo {
stream,
index: (*stream).index as usize,
codec: (*(*stream).codecpar).codec_id as isize,
index: (*stream).index as _,
codec: (*(*stream).codecpar).codec_id as _,
stream_type: StreamType::Subtitle,
width: 0,
height: 0,
fps: 0.0,
format: 0,
sample_rate: 0,
channels: 0,
language,
});
}

2
src/stream_info.rs
View File

@ -133,6 +133,8 @@ pub struct StreamInfo {
pub sample_rate: usize,
/// Subtitle / Audio language
pub language: String,
/// Number of audio channels
pub channels: u8,
// private stream pointer
pub(crate) stream: *mut AVStream,