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Changed audio_frame_reader interface

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to hide RawChunkReader
This commit is contained in:
Jamie Hardt
2020-12-02 12:21:20 -08:00
parent 016f5e3e3b
commit 09a9413ff2
3 changed files with 24 additions and 5 deletions
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9
src/audio_frame_reader.rs
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@@ -7,6 +7,7 @@ use byteorder::ReadBytesExt;
use super::fmt::{WaveFmt};
use super::errors::Error;
use super::CommonFormat;
use super::raw_chunk_reader::RawChunkReader;
/// Read audio frames
///
@@ -14,12 +15,12 @@ use super::CommonFormat;
/// bitstream having a format specified by `format`.
///
#[derive(Debug)]
pub struct AudioFrameReader<R: Read + Seek> {
inner : R,
pub struct AudioFrameReader<'a, R: Read + Seek> {
inner : RawChunkReader<'a,R>,
format: WaveFmt
}
impl<R: Read + Seek> AudioFrameReader<R> {
impl<'a, R: Read + Seek> AudioFrameReader<'a, R> {
/// Create a new `AudioFrameReader`
///
@@ -29,7 +30,7 @@ impl<R: Read + Seek> AudioFrameReader<R> {
/// parameter to confirm the `block_alignment` law is fulfilled
/// and the format tag is readable by this implementation (only
/// format 0x01 is supported at this time.)
pub fn new(inner: R, format: WaveFmt) -> Self {
pub fn new(inner: RawChunkReader<'a, R>, format: WaveFmt) -> Self {
assert!(format.block_alignment * 8 == format.bits_per_sample * format.channel_count,
"Unable to read audio frames from packed formats: block alignment is {}, should be {}",
format.block_alignment, (format.bits_per_sample / 8 ) * format.channel_count);