From: Kostya Shishkov Date: Tue, 7 Mar 2023 17:32:44 +0000 (+0100) Subject: rmmux: better audio codec flavour detection X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=f62e2ae0137206d394ed1153ddb64d542659aabc;p=nihav.git rmmux: better audio codec flavour detection --- diff --git a/nihav-realmedia/src/muxers/rmvb/audiostream.rs b/nihav-realmedia/src/muxers/rmvb/audiostream.rs index d6daddd..1110b4b 100644 --- a/nihav-realmedia/src/muxers/rmvb/audiostream.rs +++ b/nihav-realmedia/src/muxers/rmvb/audiostream.rs @@ -16,6 +16,8 @@ static AUDIO_CODEC_REGISTRY: &[(&[u8;4], &str, &[u8;4], u8)] = &[ ]; struct InterleaveParams { + sample_rate: u32, + channels: u8, block_size: usize, factor: usize, frames_per_blk: usize, @@ -152,7 +154,7 @@ struct GenericInterleaver { map: Vec, } impl GenericInterleaver { - fn new(frame_size: usize, fcc: [u8; 4]) -> MuxerResult { + fn new(ainfo: NAAudioInfo, frame_size: usize, fcc: [u8; 4]) -> MuxerResult { let params = match &fcc { b"atrc" => ATRAC_INTERLEAVE_PARAMS, b"cook" => COOK_INTERLEAVE_PARAMS, @@ -160,6 +162,12 @@ impl GenericInterleaver { _ => return Err(MuxerError::UnsupportedFormat), }; for (flavor, entry) in params.iter().enumerate() { + if entry.sample_rate != 0 && entry.sample_rate != ainfo.sample_rate { + continue; + } + if entry.channels != 0 && entry.channels != ainfo.channels { + continue; + } if entry.block_size / entry.frames_per_blk == frame_size { let full_size = entry.frames_per_blk * entry.factor; let mut map = vec![0; full_size]; @@ -619,7 +627,7 @@ fn create_interleaver(id: [u8; 4], fcc: [u8; 4], ainfo: NAAudioInfo) -> MuxerRes b"Int0" => Ok(Box::new(NoInterleaver{ frame_size, pkt: None })), b"Int4" => Ok(Box::new(Int4Interleaver::new(frame_size)?)), b"sipr" => Ok(Box::new(SiproInterleaver::new(frame_size)?)), - b"genr" => Ok(Box::new(GenericInterleaver::new(frame_size, fcc)?)), + b"genr" => Ok(Box::new(GenericInterleaver::new(ainfo, frame_size, fcc)?)), b"vbrs" | b"vbrf" => Ok(Box::new(AACInterleaver::new(1024))), _ => unimplemented!(), } @@ -672,58 +680,70 @@ const SIPRO_SWAPS: [[u8; 2]; 38] = [ [ 67, 83 ], [ 77, 80 ] ]; +macro_rules! int_params { + ($rate:expr, $ch:expr, $bsize:expr, $factor:expr, $frm_per_blk:expr) => { + InterleaveParams { + sample_rate: $rate, + channels: $ch, + block_size: $bsize, + factor: $factor, + frames_per_blk: $frm_per_blk, + } + } +} + const RA_28_8_INTERLEAVE_PARAMS: &[InterleaveParams] = &[ - InterleaveParams { block_size: 228, factor: 12, frames_per_blk: 6 }, + int_params!(0, 1, 228, 12, 6) ]; -const SIPRO_INTERLEAVE_PARAMS: &[InterleaveParams] = &[ - InterleaveParams { block_size: 232, factor: 6, frames_per_blk: 16 }, - InterleaveParams { block_size: 304, factor: 6, frames_per_blk: 16 }, - InterleaveParams { block_size: 296, factor: 6, frames_per_blk: 16 }, - InterleaveParams { block_size: 320, factor: 6, frames_per_blk: 16 } +const SIPRO_INTERLEAVE_PARAMS: &[InterleaveParams] = &[ //2,1,3,0 + int_params!( 8000, 1, 232, 6, 16), + int_params!( 8000, 1, 304, 6, 16), + int_params!( 8000, 1, 296, 6, 16), + int_params!(16000, 1, 320, 6, 16), ]; const ATRAC_INTERLEAVE_PARAMS: &[InterleaveParams] = &[ - InterleaveParams { block_size: 768, factor: 20, frames_per_blk: 4 }, - InterleaveParams { block_size: 1088, factor: 20, frames_per_blk: 4 }, - InterleaveParams { block_size: 912, factor: 30, frames_per_blk: 3 }, - InterleaveParams { block_size: 1152, factor: 30, frames_per_blk: 3 }, - InterleaveParams { block_size: 1272, factor: 30, frames_per_blk: 3 }, - InterleaveParams { block_size: 1024, factor: 30, frames_per_blk: 2 }, - InterleaveParams { block_size: 768, factor: 10, frames_per_blk: 1 }, - InterleaveParams { block_size: 1024, factor: 10, frames_per_blk: 1 } + int_params!(0, 0, 768, 20, 4), + int_params!(0, 0, 1088, 20, 4), + int_params!(0, 0, 912, 30, 3), + int_params!(0, 0, 1152, 30, 3), + int_params!(0, 0, 1272, 30, 3), + int_params!(0, 0, 1024, 30, 2), + int_params!(0, 0, 768, 10, 1), + int_params!(0, 0, 1024, 10, 1), ]; const COOK_INTERLEAVE_PARAMS: &[InterleaveParams] = &[ - InterleaveParams { block_size: 288, factor: 8, frames_per_blk: 9 }, - InterleaveParams { block_size: 352, factor: 8, frames_per_blk: 11 }, - InterleaveParams { block_size: 564, factor: 8, frames_per_blk: 12 }, - InterleaveParams { block_size: 600, factor: 9, frames_per_blk: 10 }, - InterleaveParams { block_size: 651, factor: 14, frames_per_blk: 7 }, - InterleaveParams { block_size: 640, factor: 15, frames_per_blk: 5 }, - InterleaveParams { block_size: 744, factor: 20, frames_per_blk: 4 }, - InterleaveParams { block_size: 558, factor: 16, frames_per_blk: 6 }, - InterleaveParams { block_size: 288, factor: 6, frames_per_blk: 12 }, - InterleaveParams { block_size: 580, factor: 10, frames_per_blk: 10 }, - InterleaveParams { block_size: 564, factor: 14, frames_per_blk: 6 }, - InterleaveParams { block_size: 640, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 744, factor: 20, frames_per_blk: 4 }, - InterleaveParams { block_size: 834, factor: 30, frames_per_blk: 3 }, - InterleaveParams { block_size: 644, factor: 20, frames_per_blk: 4 }, - InterleaveParams { block_size: 600, factor: 9, frames_per_blk: 10 }, - InterleaveParams { block_size: 651, factor: 14, frames_per_blk: 7 }, - InterleaveParams { block_size: 528, factor: 8, frames_per_blk: 11 }, - InterleaveParams { block_size: 600, factor: 10, frames_per_blk: 10 }, - InterleaveParams { block_size: 600, factor: 10, frames_per_blk: 10 }, - InterleaveParams { block_size: 465, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 465, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 640, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 640, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 930, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 1400, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 376, factor: 8, frames_per_blk: 11 }, - InterleaveParams { block_size: 930, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 1400, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 640, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 1395, factor: 16, frames_per_blk: 5 }, - InterleaveParams { block_size: 1143, factor: 10, frames_per_blk: 3 }, - InterleaveParams { block_size: 1064, factor: 10, frames_per_blk: 2 }, - InterleaveParams { block_size: 778, factor: 1, frames_per_blk: 1 } + int_params!( 8000, 1, 288, 8, 9), + int_params!(11025, 1, 352, 8, 11), + int_params!(22050, 1, 564, 8, 12), + int_params!(22050, 1, 600, 9, 10), + int_params!(44100, 1, 651, 14, 7), + int_params!(44100, 1, 640, 15, 5), + int_params!(44100, 1, 744, 20, 4), + int_params!(22050, 1, 558, 16, 6), + int_params!( 8000, 1, 288, 6, 12), + int_params!(11025, 2, 580, 10, 10), + int_params!(22050, 2, 564, 14, 6), + int_params!(22050, 2, 640, 16, 5), + int_params!(44100, 2, 744, 20, 4), + int_params!(44100, 2, 834, 30, 3), + int_params!(44100, 1, 644, 20, 4), + int_params!(44100, 1, 600, 9, 10), + int_params!(44100, 1, 651, 14, 7), + int_params!(22050, 2, 528, 10, 10), + int_params!(22050, 2, 600, 10, 10), + int_params!(22050, 2, 600, 10, 10), + int_params!(22050, 2, 465, 16, 5), + int_params!(44100, 2, 465, 16, 5), + int_params!(44100, 2, 640, 16, 5), + int_params!(44100, 2, 640, 16, 5), + int_params!(44100, 2, 930, 16, 5), + int_params!(44100, 2, 1400, 16, 5), + int_params!(11025, 2, 376, 8, 11), + int_params!(44100, 2, 930, 16, 5), + int_params!(44100, 2, 1400, 16, 5), + int_params!(22050, 2, 640, 16, 5), + int_params!(44100, 5, 1395, 16, 5), + int_params!(44100, 6, 1143, 10, 3), + int_params!(44100, 6, 1064, 10, 2), + int_params!(44100, 6, 778, 1, 1), ];