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Code Issues Releases Wiki Activity

openal audio and voice messages prepared for os x

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This commit is contained in:
John Preston
2014-09-04 16:23:28 +04:00
parent 9bbc99a6b4
commit 57cbc06fd8
10 changed files with 109 additions and 20 deletions
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13
Telegram/SourceFiles/audio.cpp
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@@ -20,6 +20,8 @@ Copyright (c) 2014 John Preston, https://tdesktop.com
#include <AL/al.h>
#include <AL/alc.h>
#include <opusfile.h>
#include <ogg/ogg.h>
namespace {
ALCdevice *audioDevice = 0;
@@ -48,9 +50,6 @@ bool _checkALError() {
return true;
}
#include <opusfile.h>
#include <ogg/ogg.h>
void audioInit() {
if (audioDevice) return;
@@ -90,11 +89,11 @@ void audioInit() {
if (blob.size() < 44) return audioFinish();
if (*((const uint32*)(data + 0)) != 0x46464952) return audioFinish(); // ChunkID - "RIFF"
if (*((const uint32*)(data + 4)) != blob.size() - 8) return audioFinish(); // ChunkSize
if (*((const uint32*)(data + 4)) != uint32(blob.size() - 8)) return audioFinish(); // ChunkSize
if (*((const uint32*)(data + 8)) != 0x45564157) return audioFinish(); // Format - "WAVE"
if (*((const uint32*)(data + 12)) != 0x20746d66) return audioFinish(); // Subchunk1ID - "fmt "
uint32 subchunk1Size = *((const uint32*)(data + 16)), extra = subchunk1Size - 16;
if (subchunk1Size < 16 || extra && extra < 2) return audioFinish();
if (subchunk1Size < 16 || (extra && extra < 2)) return audioFinish();
if (*((const uint16*)(data + 20)) != 1) return audioFinish(); // AudioFormat - PCM (1)
uint16 numChannels = *((const uint16*)(data + 22));
@@ -115,7 +114,7 @@ void audioInit() {
if (extra) {
uint16 extraSize = *((const uint16*)(data + 36));
if (extraSize + 2 != extra) return audioFinish();
if (blob.size() < 44 + extra) return audioFinish();
if (uint32(blob.size()) < 44 + extra) return audioFinish();
}
if (*((const uint32*)(data + extra + 36)) != 0x61746164) return audioFinish(); // Subchunk2ID - "data"
@@ -123,7 +122,7 @@ void audioInit() {
if (subchunk2Size % (numChannels * bytesPerSample)) return audioFinish();
uint32 numSamples = subchunk2Size / (numChannels * bytesPerSample);
if (blob.size() < 44 + extra + subchunk2Size) return audioFinish();
if (uint32(blob.size()) < 44 + extra + subchunk2Size) return audioFinish();
data += 44 + extra;
ALenum format = 0;