本文整理汇总了C++中admMutex::lock方法的典型用法代码示例。如果您正苦于以下问题:C++ admMutex::lock方法的具体用法?C++ admMutex::lock怎么用?C++ admMutex::lock使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类admMutex
的用法示例。
在下文中一共展示了admMutex::lock方法的14个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: defaultAudioSlave
//*******************************************************
int defaultAudioSlave( muxerMT *context )
{
DIA_encoding *work=(DIA_encoding *)context->opaque;
uint32_t total_sample=0;
uint32_t total_size=0;
uint32_t samples,audioLen;
printf("[AudioThread] Starting\n");
while(context->audioEncoder->getPacket(context->audioBuffer, &audioLen, &samples) && total_sample<context->audioTargetSample)
{
total_sample+=samples;
total_size+=audioLen;
accessMutex.lock();
if(context->audioAbort)
{
context->audioDone=1;
context->muxer->audioEof();
accessMutex.unlock();
return 1;
}
work->setAudioSize(total_size);
accessMutex.unlock();
while(!context->muxer->needAudio())
{
if(context->audioAbort)
{
context->muxer->audioEof();
context->audioDone=1;
return 1;
}
};
if(audioLen)
{
context->muxer->writeAudioPacket(audioLen,context->audioBuffer);
}
accessMutex.lock();
context->feedAudio+=audioLen;
accessMutex.unlock();
}
accessMutex.lock();
// Let's say audio is always ok, shall we :)
context->audioDone=1;
context->muxer->audioEof();
accessMutex.unlock();
printf("[AudioThread] Exiting\n");
printf("[AudioThread] Target %u, got %u, %f %%\n",context->audioTargetSample,total_sample,
(float)total_sample/(float)context->audioTargetSample);
return 1;
}
示例2: malloc
void *ADM_alloc(size_t size)
{
#ifdef __APPLE__
return malloc(size);
#else
char *c;
uint64_t l, lorg;
uint32_t *backdoor;
int dome = doMemStat;
if(dome)
memAccess.lock();
l = (uint64_t)malloc(size + 32);
// Get next boundary
lorg = l;
l = (l + 15) & 0xfffffffffffffff0LL;
l += 16;
c = (char*)l;
backdoor = (uint32_t*)(c - 8);
*backdoor = (0xdead << 16) + l - lorg;
backdoor[1] = size;
if(dome)
memAccess.unlock();
ADM_consumed += size;
return c;
#endif
}
示例3: ADM_dezalloc
void ADM_dezalloc(void *ptr)
{
int dome=doMemStat;
uint32_t *backdoor;
uint32_t size,offset;
char *c=(char *)ptr;
if(!ptr) return;
backdoor=(uint32_t *)ptr;
backdoor-=2;
if(*backdoor==0xbeefbeef)
{
printf("Double free gotcha!\n");
ADM_assert(0);
}
ADM_assert(((*backdoor)>>16)==0xdead);
offset=backdoor[0]&0xffff;
size=backdoor[1];
*backdoor=0xbeefbeef; // Scratch sig
if(dome)
memAccess.lock();
free(c-offset);
ADM_consumed-=size;
if(dome)
memAccess.unlock();
}
示例4: getBuffer
/**
\fn getBuffer
\brief returns a VDPAU render masquerading as a AVFrame
*/
int decoderFFLIBVA::getBuffer(AVCodecContext *avctx, AVFrame *pic)
{
decoderFFLIBVA *x=(decoderFFLIBVA *)avctx->opaque;
imageMutex.lock();
ADM_assert(!freeSurfaceQueue.empty());
ADM_vaSurface *s= x->freeSurfaceQueue[0];
x->freeSurfaceQueue.popFront();
imageMutex.unlock();
libvaMarkSurfaceUsed(s,this);
aprintf("Alloc Buffer : 0x%llx\n",s);
uint8_t *p=(uint8_t *)s->surface;
pic->data[0]=p;
pic->data[1]=p;
pic->data[2]=p;
pic->data[3]=p;
pic->linesize[0]=0;
pic->linesize[1]=0;
pic->linesize[2]=0;
pic->linesize[3]=0;
pic->type=FF_BUFFER_TYPE_USER;
// render->state =0;
// render->state |= FF_LIBVA_STATE_USED_FOR_REFERENCE;
// render->state &= ~FF_LIBVA_STATE_DECODED;
// render->psf=0;
pic->reordered_opaque= avctx->reordered_opaque;
// pic->opaque= avctx->opaque;
return 0;
}
示例5: Open
int FileOutputStream::Open()
{
char msg[512];
while( !(strm = fopen( cur_filename, "wb" )) ){
if( errno == ENOSPC
#ifndef __MINGW32__
|| errno == EDQUOT
#endif
){
ADM_assert(snprintf(msg,512,"can't open \"%s\": %s\n%s\n",
cur_filename,
(errno==ENOSPC?"filesystem full":"quota exceeded"),
"Please free up some space and press RETRY to try again.")!=-1);
mutex_slaveThread_problem.lock();
kind_of_slaveThread_problem = ADM_strdup(msg);
cond_slaveThread_problem->wait(); /* implicit mutex_slaveThread_problem.unlock(); */
ADM_dealloc(kind_of_slaveThread_problem);
kind_of_slaveThread_problem = NULL;
if( kind_of_slaveThread_problem_rc == 0 ){ /* ignore */
/* it doesn't make any sense to continue */
mjpeg_error_exit1( "Could not open for writing: %s", cur_filename );
}
}else{
fprintf(stderr,"can't open \"%s\": %u (%s)\n", cur_filename, errno, strerror(errno));
ADM_assert(0);
}
}
strm_fd = fileno(strm);
return 0;
}
示例6: markSurfaceUsed
/**
\fn markSurfaceUsed
\brief mark the surfave as used. Can be called multiple time.
*/
bool decoderFFLIBVA::markSurfaceUsed(ADM_vaSurface *s)
{
imageMutex.lock();
s->refCount++;
imageMutex.unlock();
return true;
}
示例7: defaultVideoSlave
//*******************************************************
int defaultVideoSlave( muxerMT *context )
{
DIA_encoding *work=(DIA_encoding *)context->opaque;
ADMBitstream *bitstream=context->bitstream;
uint32_t mx=context->nbVideoFrame;
printf("[VideoThread] Starting\n");
for(uint32_t i=0;i<mx;i++)
{
bitstream->cleanup(i);
if(context->videoAbort)
{
context->videoDone=1;
context->muxer->videoEof();
return 1;
}
if(!context->videoEncoder->encode( i,bitstream))
{
accessMutex.lock();
context->videoDone=2;
context->muxer->videoEof();
accessMutex.unlock();
return 1;
}
if(bitstream->len)
context->muxer->writeVideoPacket(bitstream);
work->setFrame(i,bitstream->len,bitstream->out_quantizer,mx);
accessMutex.lock();
context->currentVideoFrame=i;
context->feedVideo+=bitstream->len;
accessMutex.unlock();
}
accessMutex.lock();
context->videoDone=1;
context->muxer->videoEof();
accessMutex.unlock();
printf("[VideoThread] Exiting\n");
return 1;
}
示例8: libvaMarkSurfaceUsed
/**
\fn markSurfaceUsed
\brief mark the surfave as used. Can be called multiple time.
*/
static bool libvaMarkSurfaceUsed(void *v, void * cookie)
{
ADM_vaSurface *img=(ADM_vaSurface *)v;
decoderFFLIBVA *decoder=(decoderFFLIBVA *)cookie;
imageMutex.lock();
img->refCount++;
imageMutex.unlock();
return true;
}
示例9: markSurfaceUnused
/**
\fn markSurfaceUnused
\brief mark the surfave as unused by the caller. Can be called multiple time.
*/
bool decoderFFLIBVA::markSurfaceUnused(ADM_vaSurface *img)
{
imageMutex.lock();
img->refCount--;
aprintf("Surface %x, Ref count is now %d\n",img->surface,img->refCount);
if(!img->refCount)
{
vaPool.freeSurfaceQueue.append(img);
}
imageMutex.unlock();
return true;
}
示例10: libvaMarkSurfaceUnused
/**
\fn markSurfaceUnused
\brief mark the surfave as unused by the caller. Can be called multiple time.
*/
static bool libvaMarkSurfaceUnused(void *v, void * cookie)
{
ADM_vaSurface *img=(ADM_vaSurface *)v;
decoderFFLIBVA *decoder=(decoderFFLIBVA *)cookie;
imageMutex.lock();
img->refCount--;
aprintf("Ref count is now %d\n",img->refCount);
if(!img->refCount)
{
decoder->reclaimImage(img);
}
imageMutex.unlock();
return true;
}
示例11:
/**
* \fn lookupBySurfaceId
* @param
* @return
*/
ADM_vaSurface *decoderFFLIBVA::lookupBySurfaceId(VASurfaceID id)
{
imageMutex.lock();
int n=allSurfaceQueue.size();
for(int i=0;i<n;i++)
if(allSurfaceQueue[i]->surface==id)
{
imageMutex.unlock();
return allSurfaceQueue[i];
}
imageMutex.unlock();
ADM_warning("Lookup a non existing surface\n");
ADM_assert(0);
return NULL;
}
示例12:
/**
* \fn dtor
*/
decoderFFLIBVA::~decoderFFLIBVA()
{
imageMutex.lock();
int m=vaPool.allSurfaceQueue.size();
int n=vaPool.freeSurfaceQueue.size();
if(n!=m)
{
ADM_warning("Some surfaces are not reclaimed! (%d/%d)\n",n,m);
}
for(int i=0;i<n;i++)
{
delete vaPool.freeSurfaceQueue[i];
}
vaPool.freeSurfaceQueue.clear();
imageMutex.unlock();
}
示例13: while
void
FileOutputStream::Write( uint8_t *buf, unsigned int len )
{
uint8_t *p = buf;
unsigned int plen = len;
int rc;
ADM_assert(strm_fd != -1);
while( (rc=write(strm_fd,p,plen)) != plen ){
if( rc > 0 ){
p+=rc;
plen-=rc;
continue;
}
if( rc == -1 && (errno == ENOSPC
#ifndef __MINGW32__
|| errno == EDQUOT
#endif
) ){
char msg[512];
fprintf(stderr,"slaveThread: we have a problem. errno=%u\n",errno);
ADM_assert(snprintf(msg,512,"can't write to file \"%s\": %s\n%s\n",
cur_filename,
(errno==ENOSPC?"filesystem full":"quota exceeded"),
"Please free up some space and press RETRY to try again.")!=-1);
mutex_slaveThread_problem.lock();
kind_of_slaveThread_problem = ADM_strdup(msg);
cond_slaveThread_problem->wait(); /* implicit mutex_slaveThread_problem.unlock(); */
ADM_dealloc(kind_of_slaveThread_problem);
kind_of_slaveThread_problem = NULL;
if( kind_of_slaveThread_problem_rc == 0 ){ /* ignore */
/* it doesn't make any sense to continue */
mjpeg_error_exit1( "Failed write: %s", cur_filename );
}
}else{
mjpeg_error_exit1( "Failed write: %s", cur_filename );
}
}
}
示例14: getBuffer
/**
*
* @param avctx
* @param pic
* @return
*/
int decoderFFLIBVA::getBuffer(AVCodecContext *avctx, AVFrame *pic)
{
imageMutex.lock();
if(vaPool.freeSurfaceQueue.empty())
{
aprintf("Allocating new vaSurface\n");
ADM_vaSurface *img=allocateADMVaSurface(avctx);
if(!img)
{
imageMutex.unlock();
ADM_warning("Cannot allocate new vaSurface!\n");
return -1;
}
vaPool.freeSurfaceQueue.append(img);
vaPool.allSurfaceQueue.append(img);
}else
{
aprintf("Reusing vaSurface from pool\n");
}
ADM_vaSurface *s= vaPool.freeSurfaceQueue[0];
vaPool.freeSurfaceQueue.popFront();
imageMutex.unlock();
s->refCount=0;
markSurfaceUsed(s); // 1 ref taken by lavcodec
pic->buf[0]=av_buffer_create((uint8_t *)&(s->surface), // Maybe a memleak here...
sizeof(s->surface),
ADM_LIBVAreleaseBuffer,
(void *)this,
AV_BUFFER_FLAG_READONLY);
aprintf("Alloc Buffer : 0x%llx, surfaceid=%x\n",s,(int)s->surface);
pic->data[0]=(uint8_t *)s;
pic->data[3]=(uint8_t *)(uintptr_t)s->surface;
pic->reordered_opaque= avctx->reordered_opaque;
return 0;
}