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removed libstdc++ dependency

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This commit is contained in:
Ilya Lavrenov
2013-02-12 14:20:23 +04:00
parent b6e7aeabe0
commit 5512f91d08
3 changed files with 284 additions and 107 deletions
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218
modules/highgui/src/cap_ffmpeg_impl.hpp
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@@ -328,28 +328,187 @@ void CvCapture_FFMPEG::close()
#define AVSEEK_FLAG_ANY 1
#endif
static void icvInitFFMPEG_internal()
class ImplMutex
{
static volatile bool initialized = false;
if( !initialized )
public:
ImplMutex() { init(); }
~ImplMutex() { destroy(); }
void init();
void destroy();
void lock();
bool trylock();
void unlock();
struct Impl;
protected:
Impl* impl;
private:
ImplMutex(const ImplMutex&);
ImplMutex& operator = (const ImplMutex& m);
};
#if defined WIN32 || defined _WIN32 || defined WINCE
struct ImplMutex::Impl
{
void init() { InitializeCriticalSection(&cs); refcount = 1; }
void destroy() { DeleteCriticalSection(&cs); }
void lock() { EnterCriticalSection(&cs); }
bool trylock() { return TryEnterCriticalSection(&cs) != 0; }
void unlock() { LeaveCriticalSection(&cs); }
CRITICAL_SECTION cs;
int refcount;
};
#ifndef __GNUC__
static int _interlockedExchangeAdd(int* addr, int delta)
{
#if defined _MSC_VER && _MSC_VER >= 1500
return (int)_InterlockedExchangeAdd((long volatile*)addr, delta);
#else
return (int)InterlockedExchangeAdd((long volatile*)addr, delta);
#endif
}
#endif // __GNUC__
#elif defined __APPLE__
#include <libkern/OSAtomic.h>
struct ImplMutex::Impl
{
void init() { sl = OS_SPINLOCK_INIT; refcount = 1; }
void destroy() { }
void lock() { OSSpinLockLock(&sl); }
bool trylock() { return OSSpinLockTry(&sl); }
void unlock() { OSSpinLockUnlock(&sl); }
OSSpinLock sl;
int refcount;
};
#elif defined __linux__ && !defined ANDROID
struct ImplMutex::Impl
{
void init() { pthread_spin_init(&sl, 0); refcount = 1; }
void destroy() { pthread_spin_destroy(&sl); }
void lock() { pthread_spin_lock(&sl); }
bool trylock() { return pthread_spin_trylock(&sl) == 0; }
void unlock() { pthread_spin_unlock(&sl); }
pthread_spinlock_t sl;
int refcount;
};
#else
struct ImplMutex::Impl
{
void init() { pthread_mutex_init(&sl, 0); refcount = 1; }
void destroy() { pthread_mutex_destroy(&sl); }
void lock() { pthread_mutex_lock(&sl); }
bool trylock() { return pthread_mutex_trylock(&sl) == 0; }
void unlock() { pthread_mutex_unlock(&sl); }
pthread_mutex_t sl;
int refcount;
};
#endif
void ImplMutex::init()
{
impl = (Impl*)malloc(sizeof(Impl));
impl->init();
}
void ImplMutex::destroy()
{
impl->destroy();
free(impl);
impl = NULL;
}
void ImplMutex::lock() { impl->lock(); }
void ImplMutex::unlock() { impl->unlock(); }
bool ImplMutex::trylock() { return impl->trylock(); }
static int LockCallBack(void **mutex, AVLockOp op)
{
ImplMutex* localMutex = reinterpret_cast<ImplMutex*>(*mutex);
switch (op)
{
case AV_LOCK_CREATE:
localMutex = reinterpret_cast<ImplMutex*>(malloc(sizeof(ImplMutex)));
localMutex->init();
*mutex = localMutex;
if (!*mutex)
return 1;
break;
case AV_LOCK_OBTAIN:
localMutex->lock();
break;
case AV_LOCK_RELEASE:
localMutex->unlock();
break;
case AV_LOCK_DESTROY:
localMutex->destroy();
free(localMutex);
localMutex = NULL;
break;
}
return 0;
}
static ImplMutex _mutex;
static bool _initialized = false;
class InternalFFMpegRegister
{
public:
InternalFFMpegRegister()
{
_mutex.lock();
if (!_initialized)
{
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 13, 0)
avformat_network_init();
avformat_network_init();
#endif
/* register all codecs, demux and protocols */
av_register_all();
/* register all codecs, demux and protocols */
av_register_all();
av_log_set_level(AV_LOG_ERROR);
/* register a callback function for synchronization */
av_lockmgr_register(&LockCallBack);
initialized = true;
av_log_set_level(AV_LOG_ERROR);
_initialized = true;
}
_mutex.unlock();
}
}
~InternalFFMpegRegister()
{
_initialized = false;
av_lockmgr_register(NULL);
}
};
static InternalFFMpegRegister _init;
bool CvCapture_FFMPEG::open( const char* _filename )
{
icvInitFFMPEG_internal();
unsigned i;
bool valid = false;
@@ -361,7 +520,8 @@ bool CvCapture_FFMPEG::open( const char* _filename )
int err = av_open_input_file(&ic, _filename, NULL, 0, NULL);
#endif
if (err < 0) {
if (err < 0)
{
CV_WARN("Error opening file");
goto exit_func;
}
@@ -371,7 +531,8 @@ bool CvCapture_FFMPEG::open( const char* _filename )
#else
av_find_stream_info(ic);
#endif
if (err < 0) {
if (err < 0)
{
CV_WARN("Could not find codec parameters");
goto exit_func;
}
@@ -383,17 +544,18 @@ bool CvCapture_FFMPEG::open( const char* _filename )
AVCodecContext *enc = &ic->streams[i]->codec;
#endif
#ifdef FF_API_THREAD_INIT
avcodec_thread_init(enc, get_number_of_cpus());
#else
//#ifdef FF_API_THREAD_INIT
// avcodec_thread_init(enc, get_number_of_cpus());
//#else
enc->thread_count = get_number_of_cpus();
#endif
//#endif
#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
#define AVMEDIA_TYPE_VIDEO CODEC_TYPE_VIDEO
#endif
if( AVMEDIA_TYPE_VIDEO == enc->codec_type && video_stream < 0) {
if( AVMEDIA_TYPE_VIDEO == enc->codec_type && video_stream < 0)
{
AVCodec *codec = avcodec_find_decoder(enc->codec_id);
if (!codec ||
#if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
@@ -401,7 +563,8 @@ bool CvCapture_FFMPEG::open( const char* _filename )
#else
avcodec_open(enc, codec)
#endif
< 0) goto exit_func;
< 0)
goto exit_func;
video_stream = i;
video_st = ic->streams[i];
@@ -1275,8 +1438,6 @@ void CvVideoWriter_FFMPEG::close()
bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
double fps, int width, int height, bool is_color )
{
icvInitFFMPEG_internal();
CodecID codec_id = CODEC_ID_NONE;
int err, codec_pix_fmt;
double bitrate_scale = 1;
@@ -1495,6 +1656,7 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
frame_width = width;
frame_height = height;
ok = true;
return true;
}
@@ -1506,6 +1668,7 @@ CvCapture_FFMPEG* cvCreateFileCapture_FFMPEG( const char* filename )
capture->init();
if( capture->open( filename ))
return capture;
capture->close();
free(capture);
return 0;
@@ -1554,7 +1717,6 @@ CvVideoWriter_FFMPEG* cvCreateVideoWriter_FFMPEG( const char* filename, int four
return 0;
}
void cvReleaseVideoWriter_FFMPEG( CvVideoWriter_FFMPEG** writer )
{
if( writer && *writer )
@@ -1745,11 +1907,6 @@ bool OutputMediaStream_FFMPEG::open(const char* fileName, int width, int height,
oc_ = 0;
video_st_ = 0;
// tell FFMPEG to register codecs
av_register_all();
av_log_set_level(AV_LOG_ERROR);
// auto detect the output format from the name and fourcc code
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
fmt_ = av_guess_format(NULL, fileName, NULL);
@@ -1930,11 +2087,6 @@ bool InputMediaStream_FFMPEG::open(const char* fileName, int* codec, int* chroma
avformat_network_init();
#endif
// register all codecs, demux and protocols
av_register_all();
av_log_set_level(AV_LOG_ERROR);
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 6, 0)
err = avformat_open_input(&ctx_, fileName, 0, 0);
#else
@@ -2054,7 +2206,7 @@ bool InputMediaStream_FFMPEG::read(unsigned char** data, int* size, int* endOfFi
if (ret < 0)
{
if (ret == AVERROR_EOF)
if (ret == (int)AVERROR_EOF)
*endOfFile = true;
return false;
}