ogg passthrough

rename

playback/src/audio_backend/alsa.rs

@@ -1,4 +1,5 @@
 use super::{Open, Sink};
+use crate::audio::AudioPacket;
 use alsa::device_name::HintIter;
 use alsa::pcm::{Access, Format, Frames, HwParams, PCM};
 use alsa::{Direction, Error, ValueOr};
@@ -124,8 +125,9 @@ impl Sink for AlsaSink {
         Ok(())
     }
 
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
         let mut processed_data = 0;
+        let data = packet.samples();
         while processed_data < data.len() {
             let data_to_buffer = min(
                 self.buffer.capacity() - self.buffer.len(),

playback/src/audio_backend/gstreamer.rs

@@ -1,4 +1,5 @@
 use super::{Open, Sink};
+use crate::audio::AudioPacket;
 use gst::prelude::*;
 use gst::*;
 use std::sync::mpsc::{sync_channel, SyncSender};
@@ -104,9 +105,9 @@ impl Sink for GstreamerSink {
     fn stop(&mut self) -> io::Result<()> {
         Ok(())
     }
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
         // Copy expensively (in to_vec()) to avoid thread synchronization
-        let deighta: &[u8] = data.as_bytes();
+        let deighta: &[u8] = packet.samples().as_bytes();
         self.tx
             .send(deighta.to_vec())
             .expect("tx send failed in write function");

playback/src/audio_backend/jackaudio.rs

@@ -1,4 +1,5 @@
 use super::{Open, Sink};
+use crate::audio::AudioPacket;
 use jack::{
     AsyncClient, AudioOut, Client, ClientOptions, Control, Port, ProcessHandler, ProcessScope,
 };
@@ -73,8 +74,8 @@ impl Sink for JackSink {
         Ok(())
     }
 
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
-        for s in data.iter() {
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
+        for s in packet.samples().iter() {
             let res = self.send.send(*s);
             if res.is_err() {
                 error!("jackaudio: cannot write to channel");

playback/src/audio_backend/mod.rs

@@ -1,3 +1,4 @@
+use crate::audio::AudioPacket;
 use std::io;
 
 pub trait Open {
@@ -7,7 +8,7 @@ pub trait Open {
 pub trait Sink {
     fn start(&mut self) -> io::Result<()>;
     fn stop(&mut self) -> io::Result<()>;
-    fn write(&mut self, data: &[i16]) -> io::Result<()>;
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()>;
 }
 
 fn mk_sink<S: Sink + Open + 'static>(device: Option<String>) -> Box<dyn Sink> {

playback/src/audio_backend/pipe.rs

@@ -1,4 +1,5 @@
 use super::{Open, Sink};
+use crate::audio::AudioPacket;
 use std::fs::OpenOptions;
 use std::io::{self, Write};
 use std::mem;
@@ -26,12 +27,15 @@ impl Sink for StdoutSink {
         Ok(())
     }
 
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
-        let data: &[u8] = unsafe {
-            slice::from_raw_parts(
-                data.as_ptr() as *const u8,
-                data.len() * mem::size_of::<i16>(),
-            )
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
+        let data: &[u8] = match packet {
+            AudioPacket::Samples(data) => unsafe {
+                slice::from_raw_parts(
+                    data.as_ptr() as *const u8,
+                    data.len() * mem::size_of::<i16>(),
+                )
+            },
+            AudioPacket::OggData(data) => data,
         };
 
         self.0.write_all(data)?;

playback/src/audio_backend/portaudio.rs

@@ -1,4 +1,5 @@
 use super::{Open, Sink};
+use crate::audio::AudioPacket;
 use portaudio_rs;
 use portaudio_rs::device::{get_default_output_index, DeviceIndex, DeviceInfo};
 use portaudio_rs::stream::*;
@@ -95,8 +96,8 @@ impl<'a> Sink for PortAudioSink<'a> {
         self.0 = None;
         Ok(())
     }
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
-        match self.0.as_mut().unwrap().write(data) {
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
+        match self.0.as_mut().unwrap().write(packet.samples()) {
             Ok(_) => (),
             Err(portaudio_rs::PaError::OutputUnderflowed) => error!("PortAudio write underflow"),
             Err(e) => panic!("PA Error {}", e),

playback/src/audio_backend/pulseaudio.rs

@@ -1,4 +1,5 @@
 use super::{Open, Sink};
+use crate::audio::AudioPacket;
 use libpulse_binding::{self as pulse, stream::Direction};
 use libpulse_simple_binding::Simple;
 use std::io;
@@ -65,13 +66,17 @@ impl Sink for PulseAudioSink {
         Ok(())
     }
 
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
         if let Some(s) = &self.s {
             // SAFETY: An i16 consists of two bytes, so that the given slice can be interpreted
             // as a byte array of double length. Each byte pointer is validly aligned, and so
             // is the newly created slice.
-            let d: &[u8] =
-                unsafe { std::slice::from_raw_parts(data.as_ptr() as *const u8, data.len() * 2) };
+            let d: &[u8] = unsafe {
+                std::slice::from_raw_parts(
+                    packet.samples().as_ptr() as *const u8,
+                    packet.samples().len() * 2,
+                )
+            };
 
             match s.write(d) {
                 Ok(_) => Ok(()),

playback/src/audio_backend/rodio.rs

@@ -1,6 +1,7 @@
 use super::{Open, Sink};
 extern crate cpal;
 extern crate rodio;
+use crate::audio::AudioPacket;
 use cpal::traits::{DeviceTrait, HostTrait};
 use std::process::exit;
 use std::{io, thread, time};
@@ -164,8 +165,8 @@ impl Sink for RodioSink {
         Ok(())
     }
 
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
-        let source = rodio::buffer::SamplesBuffer::new(2, 44100, data);
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
+        let source = rodio::buffer::SamplesBuffer::new(2, 44100, packet.samples());
         self.rodio_sink.append(source);
 
         // Chunk sizes seem to be about 256 to 3000 ish items long.

playback/src/audio_backend/sdl.rs

@@ -1,4 +1,5 @@
 use super::{Open, Sink};
+use crate::audio::AudioPacket;
 use sdl2::audio::{AudioQueue, AudioSpecDesired};
 use std::{io, thread, time};
 
@@ -45,12 +46,12 @@ impl Sink for SdlSink {
         Ok(())
     }
 
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
         while self.queue.size() > (2 * 2 * 44_100) {
             // sleep and wait for sdl thread to drain the queue a bit
             thread::sleep(time::Duration::from_millis(10));
         }
-        self.queue.queue(data);
+        self.queue.queue(packet.samples());
         Ok(())
     }
 }

playback/src/audio_backend/subprocess.rs

@@ -1,4 +1,5 @@
 use super::{Open, Sink};
+use crate::audio::AudioPacket;
 use shell_words::split;
 use std::io::{self, Write};
 use std::mem;
@@ -43,11 +44,11 @@ impl Sink for SubprocessSink {
         Ok(())
     }
 
-    fn write(&mut self, data: &[i16]) -> io::Result<()> {
+    fn write(&mut self, packet: &AudioPacket) -> io::Result<()> {
         let data: &[u8] = unsafe {
             slice::from_raw_parts(
-                data.as_ptr() as *const u8,
-                data.len() * mem::size_of::<i16>(),
+                packet.samples().as_ptr() as *const u8,
+                packet.samples().len() * mem::size_of::<i16>(),
             )
         };
         if let Some(child) = &mut self.child {