From 907484a602e8d415e007c3e4e2c4a2e3a63970e5 Mon Sep 17 00:00:00 2001
From: Amar Takhar <verm@aegisub.org>
Date: Sat, 11 Apr 2009 23:16:58 +0000
Subject: [PATCH] Update audio_player_portaudio2.* for PortAudio v19.

Originally committed to SVN as r2783.
---
 aegisub/src/audio_player_portaudio2.cpp | 34 +++++++------------------
 aegisub/src/audio_player_portaudio2.h   | 11 ++++----
 2 files changed, 15 insertions(+), 30 deletions(-)

diff --git a/aegisub/src/audio_player_portaudio2.cpp b/aegisub/src/audio_player_portaudio2.cpp
index 81d3f53ee..d6b03bb28 100644
--- a/aegisub/src/audio_player_portaudio2.cpp
+++ b/aegisub/src/audio_player_portaudio2.cpp
@@ -45,11 +45,6 @@
 #include "audio_provider_manager.h"
 #include "utils.h"
 
-#ifdef HAVE_PA_GETSTREAMTIME
-#define Pa_StreamTime Pa_GetStreamTime	/* PortAudio v19 */
-#define PaTimestamp PaTime
-#endif
-
 
 ///////////
 // Library
@@ -94,13 +89,9 @@ PortAudioPlayer::~PortAudioPlayer() {
 
 //////////////////////
 // PortAudio callback
-#ifndef HAVE_PA_GETSTREAMTIME
-int PortAudioPlayer::paCallback(void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, PaTimestamp outTime, void *userData) {
-#else
-int PortAudioPlayer::paCallback(const void *inputBuffer, void *outputBuffer,
-	unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo *timei,
-	PaStreamCallbackFlags flags, void *userData) {
-#endif
+
+	int PortAudioPlayer::paCallback(void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags, void *userData) {
+
 	// Get provider
 	PortAudioPlayer *player = (PortAudioPlayer *) userData;
 	AudioProvider *provider = player->GetProvider();
@@ -135,13 +126,10 @@ int PortAudioPlayer::paCallback(const void *inputBuffer, void *outputBuffer,
 
 	// Set play position (and real one)
 	player->playPos += framesPerBuffer;
-#ifndef __APPLE__
-	player->realPlayPos = (int64_t)(Pa_StreamTime(player->stream) - player->paStart) + player->startPos;
-#else
-	// AudioDeviceGetCurrentTime(), used by Pa_StreamTime() on OS X, is buggered, so use playPos for now
-	player->realPlayPos = player->playPos;
-#endif
-	
+
+	const PaStreamInfo* streamInfo = Pa_GetStreamInfo(player->stream);
+	player->realPlayPos = (timeInfo->outputBufferDacTime * streamInfo->sampleRate) + player->startPos;
+
 	// Cap to start if lower
 	return end;
 }
@@ -167,7 +155,7 @@ void PortAudioPlayer::Play(int64_t start,int64_t count) {
 		}
 	}
 	playing = true;
-	paStart = Pa_StreamTime(stream);
+	paStart = Pa_GetStreamTime(stream);
 
 	// Update timer
 	if (displayTimer && !displayTimer->IsRunning()) displayTimer->Start(15);
@@ -195,11 +183,7 @@ void PortAudioPlayer::Stop(bool timerToo) {
 // Open stream
 void PortAudioPlayer::OpenStream() {
 	// Open stream
-	PaError err = Pa_OpenDefaultStream(&stream,0,provider->GetChannels(),paInt16,provider->GetSampleRate(),256,
-#ifndef HAVE_PA_GETSTREAMTIME
-		16,	/* Pa v19 doesn't have a numberOfBuffers parameter */
-#endif
-		paCallback,this);
+	PaError err = Pa_OpenDefaultStream(&stream,0,provider->GetChannels(),paInt16,provider->GetSampleRate(),256,paCallback,this);
 
 	if (err != paNoError) {
 		throw wxString(_T("Failed initializing PortAudio stream with error: ") + wxString(Pa_GetErrorText(err),wxConvLocal));
diff --git a/aegisub/src/audio_player_portaudio2.h b/aegisub/src/audio_player_portaudio2.h
index 85c3a571b..78599b93f 100644
--- a/aegisub/src/audio_player_portaudio2.h
+++ b/aegisub/src/audio_player_portaudio2.h
@@ -47,6 +47,7 @@ extern "C" {
 }
 
 
+
 ////////////////////
 // Portaudio player
 class PortAudioPlayer : public AudioPlayer {
@@ -62,17 +63,17 @@ private:
 	volatile int64_t startPos;
 	volatile int64_t endPos;
 	void *stream;
-	PaTimestamp paStart;
+	PaTime paStart;
 	volatile int64_t realPlayPos;
 
-#ifndef HAVE_PA_GETSTREAMTIME
-	static int paCallback(void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, PaTimestamp outTime, void *userData);
-#else
+//	static int paCallback(void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, PaTime outTime, void *userData);
+static int paCallback(void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags, void *userData);
+/*
 	static int paCallback(const void *inputBuffer, void *outputBuffer,
 		unsigned long framesPerBuffer,
 		const PaStreamCallbackTimeInfo *timei,
 		PaStreamCallbackFlags flags, void *userData);
-#endif
+*/
 
 public:
 	PortAudioPlayer();