ffmpeg threadsafety critical bug fixed, display gif time and status / views added, 0.9.18

Telegram/SourceFiles/audio.cpp

@@ -97,11 +97,6 @@ bool _checkALError() {
 Q_DECLARE_METATYPE(AudioMsgId);
 Q_DECLARE_METATYPE(SongMsgId);
 void audioInit() {
-	if (!audioDevice) {
-		av_register_all();
-		avcodec_register_all();
-	}
-
 	if (!capture) {
 		capture = new AudioCapture();
 		cSetHasAudioCapture(capture->check());

Telegram/SourceFiles/history.cpp

@@ -4596,18 +4596,15 @@ void HistoryGif::draw(Painter &p, const HistoryItem *parent, const QRect &r, boo
 			p.setFont(st::normalFont);
 			p.setPen(st::white);
 			p.drawTextLeft(statusX, statusY, _width, _statusText, statusW - 2 * st::msgDateImgPadding.x());
-
-			// date
-			if (_caption.isEmpty() && parent->getMedia() == this) {
-				int32 fullRight = skipx + width, fullBottom = skipy + height;
-				parent->drawInfo(p, fullRight, fullBottom, 2 * skipx + width, selected, InfoDisplayOverImage);
-			}
 		}
 	}
 
 	if (!_caption.isEmpty()) {
 		p.setPen(st::black);
 		_caption.draw(p, st::msgPadding.left(), skipy + height + st::mediaPadding.bottom() + st::mediaCaptionSkip, captionw);
+	} else if (parent->getMedia() == this) {
+		int32 fullRight = skipx + width, fullBottom = skipy + height;
+		parent->drawInfo(p, fullRight, fullBottom, 2 * skipx + width, selected, InfoDisplayOverImage);
 	}
 }
 

Telegram/SourceFiles/main.cpp

@@ -32,7 +32,7 @@ int main(int argc, char *argv[]) {
     //signal(SIGSEGV, _sigsegvHandler);
 #endif
 
-	InitOpenSSL _init;
+	LibrariesInitializer _init;
 
 	settingsParseArgs(argc, argv);
 	for (int32 i = 0; i < argc; ++i) {

Telegram/SourceFiles/types.cpp

@@ -187,6 +187,32 @@ namespace {
 		delete l;
 	}
 
+	int _ffmpegLockManager(void **mutex, AVLockOp op) {
+		switch (op) {
+		case AV_LOCK_CREATE: {
+			t_assert(*mutex == 0);
+			*mutex = reinterpret_cast<void*>(new QMutex());
+		} break;
+
+		case AV_LOCK_OBTAIN: {
+			t_assert(*mutex != 0);
+			reinterpret_cast<QMutex*>(*mutex)->lock();
+		} break;
+
+		case AV_LOCK_RELEASE: {
+			t_assert(*mutex != 0);
+			reinterpret_cast<QMutex*>(*mutex)->unlock();
+		}; break;
+
+		case AV_LOCK_DESTROY: {
+			t_assert(*mutex != 0);
+			delete reinterpret_cast<QMutex*>(*mutex);
+			*mutex = 0;
+		} break;
+		}
+		return 0;
+	}
+
 	float64 _msFreq;
 	float64 _msgIdCoef;
     int64 _msStart = 0, _msAddToMsStart = 0, _msAddToUnixtime = 0;
@@ -238,7 +264,7 @@ namespace {
 	_MsStarter _msStarter;
 }
 
-InitOpenSSL::InitOpenSSL() {
+LibrariesInitializer::LibrariesInitializer() {
 	if (!RAND_status()) { // should be always inited in all modern OS
 		char buf[16];
 		memcpy(buf, &_msStart, 8);
@@ -262,10 +288,17 @@ InitOpenSSL::InitOpenSSL() {
 	CRYPTO_set_dynlock_lock_callback(_sslLockFunction);
 	CRYPTO_set_dynlock_destroy_callback(_sslDestroyFunction);
 
+	av_register_all();
+	avcodec_register_all();
+
+	av_lockmgr_register(_ffmpegLockManager);
+
 	_sslInited = true;
 }
 
-InitOpenSSL::~InitOpenSSL() {
+LibrariesInitializer::~LibrariesInitializer() {
+	av_lockmgr_register(0);
+
 	delete[] _sslLocks;
 	_sslLocks = 0;
 }
@@ -640,10 +673,7 @@ char *hashMd5Hex(const int32 *hashmd5, void *dest) {
 }
 
 void memset_rand(void *data, uint32 len) {
-	if (!_sslInited) {
-		LOG(("Critical Error: memset_rand() called before OpenSSL init!"));
-		exit(-1);
-	}
+	t_assert(_sslInited);
 	RAND_bytes((uchar*)data, len);
 }
 

Telegram/SourceFiles/types.h

@@ -133,10 +133,10 @@ inline void mylocaltime(struct tm * _Tm, const time_t * _Time) {
 #endif
 }
 
-class InitOpenSSL {
+class LibrariesInitializer {
 public:
-	InitOpenSSL();
-	~InitOpenSSL();
+	LibrariesInitializer();
+	~LibrariesInitializer();
 };
 
 bool checkms(); // returns true if time has changed