void IsoFilesystem::visitDirectoryFiles(const char* sPath,
void (*fnCallback)(void*, const char*),
void* pCallbackData) const
{
size_t iLen = strlen(sPath) + 1;
char *sNormedPath = (char*)alloca(iLen);
for(size_t i = 0; i < iLen; ++i)
sNormedPath[i] = _normalise(sPath[i]);
// Inefficient (better would be to binary search for first and last files
// which begin with sPath), but who cares - this isn't called often
for(size_t i = 0; i < m_iNumFiles; ++i)
{
const char *sName = m_pFiles[i].sPath;
if(strlen(sName) >= iLen && memcmp(sNormedPath, sName, iLen - 1) == 0)
{
sName += iLen - 1;
if(*sName == m_cPathSeparator)
++sName;
if(strchr(sName, m_cPathSeparator) == NULL)
fnCallback(pCallbackData, sName);
}
}
}
// the decode work thread
void CVideoDecoder2::Decode(void)
{
while(!bStop){
int ret;
uv_mutex_lock(pQueueMutex);
if(packetQueue.size() == 0){
ret = uv_cond_timedwait(pQueueNotEmpty, pQueueMutex, (uint64_t)(1000 * 1e6));
if(ret == UV_ETIMEDOUT){
uv_mutex_unlock(pQueueMutex);
continue;
}
}
AVPacket* pkt = packetQueue.front();
packetQueue.pop_front();
uv_mutex_unlock(pQueueMutex);
if(pkt->data == NULL){ // done, no more packet
bStop = true;
av_freep(pkt);
continue;
}
int gotPicture;
AVFrame* frame = av_frame_alloc();
if(frame){
ret = avcodec_decode_video2(pCodecCtx, frame, &gotPicture, pkt);
if(ret < 0){
bStop = true;
av_frame_free(&frame);
frame = NULL;
if(fnCallback){
fnCallback(frame, ret, pUserData);
}
av_free_packet(pkt);
av_freep(pkt);
continue;
}
if(gotPicture && fnCallback){
fnCallback(frame, ret, pUserData);
av_free_packet(pkt);
av_freep(pkt);
continue;
}
} else{
bStop = true;
if(fnCallback){
fnCallback(frame, ret, pUserData);
}
av_free_packet(pkt);
av_freep(pkt);
continue;
}
}
// flush
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
int ret;
do{
int gotPicture;
AVFrame* frame = av_frame_alloc();
if(frame){
ret = avcodec_decode_video2(pCodecCtx, frame, &gotPicture, &pkt);
if(ret < 0 || !gotPicture){
av_frame_free(&frame);
frame = NULL;
if(ret == 0){
ret = -1;
}
}
} else{
ret = -1;
}
if(fnCallback){
fnCallback(frame, ret, pUserData);
}
} while(ret >= 0);
}