int CFFMPEGLoader::LoadFrame() {
AVPacket packet;
int ret=-1;
while(av_read_frame(pFormatCon, &packet)>=0) {
ret=1;
// Is this a packet from the video stream?
if(bVideoIsNeeded&&packet.stream_index==videoStream&&iPKTVideoLength<iBufferSize) {
// Decode video frame
av_dup_packet(&packet);
pktLastVideo[iPKTVideoLength++]=packet;
//....
}
else if(bAudioIsNeeded&&packet.stream_index==audioStream&&iPKTAudioLength<iBufferSize) {
av_dup_packet(&packet);
pktLastAudio[iPKTAudioLength++]=packet;
}
else {
av_free_packet(&packet);
}
if(iPKTVideoLength>=iBufferSize||iPKTAudioLength>=iBufferSize) break;
}
return ret;
}
AVPacket * FFMpegDemuxer::getPacket(int streamIndex)
{
// Make sure enableStream was called on streamIndex.
AVG_ASSERT(m_PacketLists.size() > 0);
AVG_ASSERT(streamIndex > -1 && streamIndex < 10);
if (m_PacketLists.find(streamIndex) == m_PacketLists.end()) {
cerr << this << ": getPacket: Stream " << streamIndex << " not found." << endl;
dump();
AVG_ASSERT(false);
}
PacketList& curPacketList = m_PacketLists.find(streamIndex)->second;
AVPacket* pPacket;
if (!curPacketList.empty()) {
// The stream has packets queued already.
pPacket = curPacketList.front();
curPacketList.pop_front();
} else {
// No packets queued for this stream -> read and queue packets until we get one
// that is meant for this stream.
do {
pPacket = new AVPacket;
memset(pPacket, 0, sizeof(AVPacket));
int err = av_read_frame(m_pFormatContext, pPacket);
if (err < 0) {
// EOF or error
if (err != int(AVERROR_EOF)) {
char sz[256];
av_strerror(err, sz, 256);
AVG_TRACE(Logger::category::PLAYER, Logger::severity::ERROR,
"Error decoding video: " << sz);
}
av_free_packet(pPacket);
delete pPacket;
pPacket = 0;
return 0;
}
if (pPacket->stream_index != streamIndex) {
if (m_PacketLists.find(pPacket->stream_index) != m_PacketLists.end()) {
// Relevant stream, but not ours
av_dup_packet(pPacket);
PacketList& otherPacketList =
m_PacketLists.find(pPacket->stream_index)->second;
otherPacketList.push_back(pPacket);
} else {
// Disabled stream
av_free_packet(pPacket);
delete pPacket;
pPacket = 0;
}
} else {
// Our stream
av_dup_packet(pPacket);
}
} while (!pPacket || pPacket->stream_index != streamIndex);
}
return pPacket;
}
DTerr HWVideoPlayerFFPacketQueue::push_back (AVPacket *pkt)
{
// Duplicate if not a flush packet
if (!is_flush(pkt) && !is_play(pkt) && !is_pause(pkt)) {
if(av_dup_packet(pkt) < 0)
return DT3_ERR_FILE_OPEN_FAILED;
}
AVPacketList *packet_list = (AVPacketList *) ::av_malloc(sizeof(AVPacketList));
packet_list->pkt = *pkt;
packet_list->next = NULL;
_lock.lock();
// Queue is empty
if (!_first_pkt) {
_first_pkt = _last_pkt = packet_list;
} else {
_last_pkt->next = packet_list;
_last_pkt = packet_list;
}
++_size;
_lock.unlock();
return 0;
}
int packet_queue_put(PacketQueue *q, AVPacket *pkt)
{
AVPacketList *pkt1;
if(av_dup_packet(pkt) < 0)
{
return -1;
}
pkt1 = (AVPacketList *)av_malloc(sizeof(AVPacketList));
if(!pkt1)
return -1;
pkt1->pkt = *pkt;
pkt1->next = NULL;
pthread_mutex_lock(&q->mutex);
if(!q->last_pkt)
q->first_pkt = pkt1;
else
q->last_pkt->next = pkt1;
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size;
pthread_cond_signal(&q->cond);
pthread_mutex_unlock(&q->mutex);
return 0;
}
int packet_queue_put(PacketQueue *q, AVPacket *pkt) {
AVPacketList *pkt1;
if(av_dup_packet(pkt) < 0) {
return -1;
}
pkt1 = av_malloc(sizeof(AVPacketList));
if (!pkt1)
return -1;
pkt1->pkt = *pkt;
pkt1->next = NULL;
SDL_LockMutex(q->mutex);
if (!q->last_pkt)
q->first_pkt = pkt1;
else
q->last_pkt->next = pkt1;
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size;
SDL_CondSignal(q->cond);
SDL_UnlockMutex(q->mutex);
return 0;
}
int packet_queue_put (PacketQueue *q, AVPacket *pkt)
{
AVPacketList *node;
if (q->stop_request)
return -1;
if (av_dup_packet (pkt) < 0)
return -1;
SDL_LockMutex(q->mutex);
node = av_malloc (sizeof *node);
if (!node)
return -1;
node->pkt = *pkt;
node->next = NULL;
if (!q->last_pkt)
q->first_pkt = node;
else
q->last_pkt->next = node;
q->last_pkt = node;
q->nb_packets++;
q->size += node->pkt.size;
SDL_CondSignal (q->cond);
SDL_UnlockMutex (q->mutex);
return 0;
}
static int avpacket_queue_put(AVPacketQueue *q, AVPacket *pkt)
{
AVPacketList *pkt1;
/* duplicate the packet */
if (pkt != &flush_pkt && av_dup_packet(pkt) < 0) {
return -1;
}
pkt1 = (AVPacketList *)av_malloc(sizeof(AVPacketList));
if (!pkt1) {
return -1;
}
pkt1->pkt = *pkt;
pkt1->next = NULL;
pthread_mutex_lock(&q->mutex);
if (!q->last_pkt) {
q->first_pkt = pkt1;
} else {
q->last_pkt->next = pkt1;
}
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size + sizeof(*pkt1);
pthread_cond_signal(&q->cond);
pthread_mutex_unlock(&q->mutex);
return 0;
}
Omm::AvStream::Frame*
FFmpegMeta::readFrame()
{
AVPacket packet;
LOG(ffmpeg, trace, "ffmpeg::av_read_frame() ...");
int ret = av_read_frame(_pFormatContext, &packet);
_frameNumber++;
if (ret < 0) {
LOG(ffmpeg, error, "ffmpeg::av_read_frame() returns: " + Poco::NumberFormatter::format(ret) + " (" + errorMessage(ret) + ")");
return new Omm::AvStream::Frame(_frameNumber, streamInfo(0), true);
}
FFmpegFrame* pFrame = new FFmpegFrame(_frameNumber, streamInfo(packet.stream_index));
LOG(ffmpeg, trace, "av_dup_packet()");
if (av_dup_packet(&packet) < 0) {
LOG(ffmpeg, warning, "av_dup_packet() failed");
}
// allocate AVPacket struc
LOG(ffmpeg, trace, "av_malloc()");
pFrame->_pAvPacket = (AVPacket*)av_malloc(sizeof(AVPacket));
// copy fields of AVPacket struc
*(pFrame->_pAvPacket) = packet;
pFrame->_data = (char*)packet.data;
pFrame->_size = packet.size;
pFrame->setPts(packet.pts);
return pFrame;
}
int packet_queue_put(PacketQueue *q, AVPacket *pkt, int video) {
AVPacketList* pkt1;
if (pkt != &flush_pkt && av_dup_packet(pkt) < 0) {
return -1;
}
pkt1 = (AVPacketList*) av_malloc(sizeof(AVPacketList));
if (!pkt1)
return -1;
pkt1->pkt = *pkt;
pkt1->next = NULL;
SDL_LockMutex(q->mutex);
if (!q->last_pkt)
q->first_pkt = pkt1;
else
q->last_pkt->next = pkt1;
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size;
printf("%s packet_queue_put return q->nb_packets:%d q->size%d\n",
video ? "video" : "audio", q->nb_packets, q->size);
fflush(stdout);
SDL_CondSignal(q->cond);
SDL_UnlockMutex(q->mutex);
return 0;
}
static int packet_queue_put(PacketQueue * q, AVPacket * pkt)
{
AVPacketList *pkt1;
if (pkt != &flush_pkt && av_dup_packet(pkt) < 0) {
return -1;
}
pkt1 = av_malloc(sizeof(AVPacketList));
if (!pkt1)
return -1;
pkt1->pkt = *pkt;
pkt1->next = NULL;
al_lock_mutex(q->mutex);
if (!q->last_pkt)
q->first_pkt = pkt1;
else
q->last_pkt->next = pkt1;
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size;
al_signal_cond(q->cond);
al_unlock_mutex(q->mutex);
return 0;
}
int PacketQueue::put(AVPacket* pkt)
{
AVPacketList *pkt1;
/* duplicate the packet */
if (av_dup_packet(pkt) < 0)
return -1;
pkt1 = (AVPacketList *) av_malloc(sizeof(AVPacketList));
if (!pkt1)
return -1;
pkt1->pkt = *pkt;
pkt1->next = NULL;
pthread_mutex_lock(&mLock);
if (!mLast) {
mFirst = pkt1;
}
else {
mLast->next = pkt1;
}
mLast = pkt1;
mNbPackets++;
mSize += pkt1->pkt.size + sizeof(*pkt1);
pthread_cond_signal(&mCondition);
pthread_mutex_unlock(&mLock);
return 0;
}
void THAVPacketQueue::push(AVPacket *pPacket)
{
AVPacketList* pNode;
if(av_dup_packet(pPacket) < 0) { throw -1; }
pNode = (AVPacketList*)av_malloc(sizeof(AVPacketList));
pNode->pkt = *pPacket;
pNode->next = nullptr;
SDL_LockMutex(m_pMutex);
if(m_pLastPacket == nullptr)
{
m_pFirstPacket = pNode;
}
else
{
m_pLastPacket->next = pNode;
}
m_pLastPacket = pNode;
iCount++;
SDL_CondSignal(m_pCond);
SDL_UnlockMutex(m_pMutex);
}
int queue_push(PacketQueue _q, AVPacket *pkt) {
_PacketQueue *q = _q;
AVPacketList *pkt1;
if (strcmp((const char *)pkt->data, "FLUSH") != 0 && av_dup_packet(pkt) < 0)
return -1;
pkt1 = malloc(sizeof(AVPacketList));
pkt1->pkt = *pkt;
pkt1->next = NULL;
pthread_mutex_lock(&q->mutex);
if (q->last == NULL)
q->first = pkt1;
else
q->last->next = pkt1;
q->npkts++;
q->last = pkt1;
pthread_mutex_unlock(&q->mutex);
return 0;
}
void THAVPacketQueue::push(AVPacket *pPacket)
{
#if (defined(CORSIX_TH_USE_LIBAV) && LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57, 12, 100)) || \
(defined(CORSIX_TH_USE_FFMPEG) && LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57, 8, 0))
if(av_dup_packet(pPacket) < 0) { throw -1; }
#endif
AVPacketList* pNode = (AVPacketList*)av_malloc(sizeof(AVPacketList));
pNode->pkt = *pPacket;
pNode->next = nullptr;
SDL_LockMutex(m_pMutex);
if(m_pLastPacket == nullptr)
{
m_pFirstPacket = pNode;
}
else
{
m_pLastPacket->next = pNode;
}
m_pLastPacket = pNode;
iCount++;
SDL_CondSignal(m_pCond);
SDL_UnlockMutex(m_pMutex);
}
int packet_queue_put(struct ff_packet_queue *q, struct ff_packet *packet)
{
struct ff_packet_list *new_packet;
if (packet != &q->flush_packet
&& av_dup_packet(&packet->base) < 0)
return FF_PACKET_FAIL;
new_packet = av_malloc(sizeof(struct ff_packet_list));
if (new_packet == NULL)
return FF_PACKET_FAIL;
new_packet->packet = *packet;
new_packet->next = NULL;
pthread_mutex_lock(&q->mutex);
if (q->last_packet == NULL)
q->first_packet = new_packet;
else
q->last_packet->next = new_packet;
q->last_packet = new_packet;
q->count++;
q->total_size += new_packet->packet.base.size;
pthread_cond_signal(&q->cond);
pthread_mutex_unlock(&q->mutex);
return FF_PACKET_SUCCESS;
}
static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
{
AVPacketList *pkt1;
/* duplicate the packet */
if (av_dup_packet(pkt) < 0)
return -1;
pkt1 = (AVPacketList *)av_malloc(sizeof(AVPacketList));
if (!pkt1)
return -1;
pkt1->pkt = *pkt;
pkt1->next = NULL;
pthread_mutex_lock(&q->mutex);
if (!q->last_pkt)
q->first_pkt = pkt1;
else
q->last_pkt->next = pkt1;
q->last_pkt = pkt1;
q->nb_packets++;
if (q->nb_packets > 5000)
fprintf(stderr, "%ld storing %p, %s\n",
q->nb_packets,
q,
q == &videoqueue ? "videoqueue" : "audioqueue");
q->size += pkt1->pkt.size + sizeof(*pkt1);
pthread_cond_signal(&q->cond);
pthread_mutex_unlock(&q->mutex);
return 0;
}
int packet_queue_put(PacketQueue *q, AVPacket *pkt) {
AVPacketList *pkt1;
// if(pkt != &flush_pkt && av_dup_packet(pkt) < 0) {
// return -1;
// }
if(av_dup_packet(pkt) < 0) {
return -1;
}
pkt1 = av_malloc(sizeof(AVPacketList));
if (!pkt1)
return -1;
pkt1->pkt = *pkt;
pkt1->next = NULL;
pthread_mutex_lock(&q->mutex);
if (!q->last_pkt)
q->first_pkt = pkt1;
else
q->last_pkt->next = pkt1;
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size;
pthread_mutex_unlock(&q->mutex);
return 0;
}
/*将一个packet放到队列*/
int ff_queue_packet_put(PacketQueue *q, AVPacket *pkt) {
AVPacketList *pkt1;
if (av_dup_packet(pkt) < 0) {
return -1;
}
pkt1 = av_malloc(sizeof(AVPacketList));
if (!pkt1)
return -1;
pkt1->pkt = *pkt;
pkt1->next = NULL;
#ifndef SDL_MUTEX
pthread_mutex_lock(&q->mutex);
#else
SDL_LockMutex(q->mutex);
#endif
if (!q->last_pkt)
q->first_pkt = pkt1;
else
q->last_pkt->next = pkt1;
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size;
#ifndef SDL_MUTEX
pthread_mutex_unlock(&q->mutex);
#else
SDL_CondSignal(q->cond);
SDL_UnlockMutex(q->mutex);
#endif
return 0;
}
void av_packet_queue::push(AVPacket *pPacket)
{
#if (defined(CORSIX_TH_USE_LIBAV) && LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57, 8, 0)) || \
(defined(CORSIX_TH_USE_FFMPEG) && LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57, 12, 100))
if(av_dup_packet(pPacket) < 0) { throw -1; }
#endif
AVPacketList* pNode = (AVPacketList*)av_malloc(sizeof(AVPacketList));
pNode->pkt = *pPacket;
pNode->next = nullptr;
std::lock_guard<std::mutex> lock(mutex);
if(last_packet == nullptr)
{
first_packet = pNode;
}
else
{
last_packet->next = pNode;
}
last_packet = pNode;
count++;
cond.notify_one();
}
void FFmpegDecodeQueue::rawPush(CustomAVPacket& packet) {
//CustomAVPacket p;
av_dup_packet(&packet);
//av_copy_packet(&p, &packet);
packets_.push_back(packet);
size_ += packet.size;
}
/*==============================================================================
* - packet_queue_put()
*
* - put a packet to queue. wait 3 seconds, if can't we discard it
*/
int packet_queue_put(PacketQueue *q, AVPacket *pkt)
{
if(pkt != &_G_flush_pkt && av_dup_packet(pkt) < 0) {
return -1;
}
msgQ_send(q->msgQ, (char *)pkt, sizeof(AVPacket), 3 * SYS_CLK_RATE);
return 0;
}
AVPacket *CFFMPEGLoader::GetNextPacket() {
AVPacket packet;
if(av_read_frame(pFormatCon, &packet)<0)
return NULL;
if(packet.stream_index!=videoStream&&packet.stream_index!=audioStream) {
av_free_packet(&packet);
return NULL;
}
av_dup_packet(&packet);
return &packet;
}
void cSoftPlayer::RemuxAndQueue(AVPacket &pkt) {
// set audio index if not yet set
if ( AudioIdx== -1 &&
#if LIBAVFORMAT_BUILD > 4628
ic->streams[pkt.stream_index]->codec->codec_type == CODEC_TYPE_AUDIO
#else
ic->streams[pkt.stream_index]->codec.codec_type == CODEC_TYPE_AUDIO
#endif
)
AudioIdx=pkt.stream_index;
// set video index if not yet set
if ( VideoIdx== -1 &&
#if LIBAVFORMAT_BUILD > 4628
ic->streams[pkt.stream_index]->codec->codec_type == CODEC_TYPE_VIDEO
#else
ic->streams[pkt.stream_index]->codec.codec_type == CODEC_TYPE_VIDEO
#endif
)
VideoIdx=pkt.stream_index;
// skip packets which do not belong to the current streams
if ( pkt.stream_index != VideoIdx &&
pkt.stream_index != AudioIdx ) {
printf("Drop Packet PTS: %lld\n",pkt.pts);
return;
};
#if LIBAVFORMAT_BUILD > 4623
AVRational time_base;
time_base=ic->streams[pkt.stream_index]->time_base;
if ( pkt.pts != (int64_t) AV_NOPTS_VALUE ) {
pkt.pts=av_rescale(pkt.pts, AV_TIME_BASE* (int64_t)time_base.num, time_base.den)/100 ;
};
//printf("PTS: %lld new %lld num %d den %d\n",PTS,pkt.pts,
// time_base.num,time_base.den);
#else
if ( pkt.pts != (int64_t) AV_NOPTS_VALUE )
pkt.pts/=100;
#endif
//pkt.pts*=1000/AV_TIME_BASE;
av_dup_packet(&pkt);
// length = -2 : queue packet
PKTDBG("Queue Packet index: %d PTS: %lld\n",pkt.stream_index,pkt.pts);
#if VDRVERSNUM >= 10330
SoftHandles.QueuePacket(SoftDevice,ic,pkt);
#else
SoftDevice->PlayVideo((uchar *)&pkt,-2);
#endif
};
AVPacket * FFMpegDemuxer::getPacket(int StreamIndex)
{
// Make sure enableStream was called on StreamIndex.
assert (m_PacketLists.find(StreamIndex) != m_PacketLists.end());
PacketList & CurPacketList = m_PacketLists.find(StreamIndex)->second;
AVPacket * pPacket;
if (!CurPacketList.empty()) {
pPacket = CurPacketList.front();
CurPacketList.pop_front();
} else {
do {
pPacket = new AVPacket;
memset(pPacket, 0, sizeof(AVPacket));
int err = av_read_frame(m_pFormatContext, pPacket);
// TODO: Check url_ferror here too.
if (err < 0) {
av_free_packet(pPacket);
delete pPacket;
pPacket = 0;
return 0;
}
if (pPacket->stream_index != StreamIndex) {
if (m_PacketLists.find(pPacket->stream_index) != m_PacketLists.end()) {
av_dup_packet(pPacket);
PacketList& OtherPacketList =
m_PacketLists.find(pPacket->stream_index)->second;
OtherPacketList.push_back(pPacket);
} else {
av_free_packet(pPacket);
delete pPacket;
pPacket = 0;
}
} else {
av_dup_packet(pPacket);
}
} while (!pPacket || pPacket->stream_index != StreamIndex);
}
return pPacket;
}
AVPacket * Demux::getPacket(const int theStreamIndex)
{
DB(AC_TRACE << "Demux::getPacket for stream: " << theStreamIndex);
if (_myPacketLists.find(theStreamIndex) == _myPacketLists.end()) {
AC_ERROR << "Demux::getPacket called with nonexistent stream index "
<< theStreamIndex << ".";
}
PacketList & myCurPacketList = _myPacketLists.find(theStreamIndex)->second;
if (!myCurPacketList.empty()) {
DB(AC_TRACE << "Demux::getPacket: packet already there.");
AVPacket * myPacket = myCurPacketList.front();
myCurPacketList.pop_front();
return myPacket;
} else {
DB(AC_TRACE << "Demux::getPacket: packet needs to be read.");
AVPacket * myPacket;
do {
DB(AC_TRACE << "Demux::getPacket: read.");
myPacket = new AVPacket;
memset(myPacket, 0, sizeof(AVPacket));
bool myEndOfFileFlag = (av_read_frame(_myFormatContext, myPacket) < 0);
if (myEndOfFileFlag) {
AC_DEBUG << "Demux::getPacket: end of file.";
av_free_packet(myPacket);
delete myPacket;
myPacket = 0;
return 0;
}
if (myPacket->stream_index != theStreamIndex) {
if (_myPacketLists.find(myPacket->stream_index) != _myPacketLists.end()) {
DB(AC_TRACE << "Demux::getPacket: caching packet.");
// Without av_dup_packet, ffmpeg reuses myPacket->data at first
// opportunity and trashes our memory.
av_dup_packet(myPacket);
PacketList& myOtherPacketList =
_myPacketLists.find(myPacket->stream_index)->second;
myOtherPacketList.push_back(myPacket);
} else {
DB(AC_DEBUG << "Demux::getPacket: rejecting packet.");
av_free_packet(myPacket);
delete myPacket;
myPacket = 0;
}
}
} while (!myPacket || myPacket->stream_index != theStreamIndex);
DB(AC_TRACE << "Demux::getPacket: end.");
return myPacket;
}
}
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *))
{
int ret;
AVPacketList **next_point, *this_pktl;
this_pktl = av_mallocz(sizeof(AVPacketList));
if (!this_pktl)
return AVERROR(ENOMEM);
this_pktl->pkt = *pkt;
#if FF_API_DESTRUCT_PACKET
FF_DISABLE_DEPRECATION_WARNINGS
pkt->destruct = NULL; // do not free original but only the copy
FF_ENABLE_DEPRECATION_WARNINGS
#endif
pkt->buf = NULL;
// Duplicate the packet if it uses non-allocated memory
if ((ret = av_dup_packet(&this_pktl->pkt)) < 0) {
av_free(this_pktl);
return ret;
}
if (s->streams[pkt->stream_index]->last_in_packet_buffer) {
next_point = &(s->streams[pkt->stream_index]->last_in_packet_buffer->next);
} else
next_point = &s->internal->packet_buffer;
if (*next_point) {
if (compare(s, &s->internal->packet_buffer_end->pkt, pkt)) {
while (!compare(s, &(*next_point)->pkt, pkt))
next_point = &(*next_point)->next;
goto next_non_null;
} else {
next_point = &(s->internal->packet_buffer_end->next);
}
}
assert(!*next_point);
s->internal->packet_buffer_end = this_pktl;
next_non_null:
this_pktl->next = *next_point;
s->streams[pkt->stream_index]->last_in_packet_buffer =
*next_point = this_pktl;
return 0;
}
void packetQueue::put(AVPacket* packet)
{
AVPacketList* pktList;
av_dup_packet(packet);
pktList = (AVPacketList*)av_malloc(sizeof(AVPacketList));
pktList->pkt = *packet;
pktList->next = NULL;
pthread_mutex_lock(mut);
if(last_packet == NULL)
first_packet = pktList;
else
last_packet->next = pktList;
last_packet = pktList;
num_packets++;
size += pktList->pkt.size;
pthread_mutex_unlock(mut);
}
int packet_queue_put(PacketQueue *q, AVPacket *pkt)
{
//ffplay_info("Start.\n");
AVPacketList *pkt1;
if(av_dup_packet(pkt) < 0)
{
ffplay_info("av_dup_packet(pkt) < 0\n");
return -1;
}
pkt1 = av_malloc(sizeof(AVPacketList));
if (!pkt1)
{
ffplay_info("pkt1 = 0x%8x\n",pkt1);
return -1;
}
pkt1->pkt = *pkt;
pkt1->next = NULL;
SDL_LockMutex(q->mutex);
ffplay_info("pkt = 0x%8x, q->first_pkt = 0x%8x, q->last_pkt =0x%8x, pkt1 = 0x%8x\n",pkt,q->first_pkt,q->last_pkt,pkt1);
if (!q->last_pkt)
{
q->first_pkt = pkt1;
}
else
{
q->last_pkt->next = pkt1;
}
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size;
SDL_CondSignal(q->cond);
ffplay_info("pkt = 0x%8x, q->first_pkt = 0x%8x, q->last_pkt =0x%8x, pkt1 = 0x%8x\n",pkt,q->first_pkt,q->last_pkt,pkt1);
SDL_UnlockMutex(q->mutex);
//ffplay_info("end.\n");
return 0;
}
int av_packet_split_side_data(AVPacket *pkt) {
if (!pkt->side_data_elems && pkt->size >12 && AV_RB64(pkt->data + pkt->size - 8) == FF_MERGE_MARKER) {
int i;
unsigned int size;
uint8_t *p= pkt->data + pkt->size - 8 - 5;
av_dup_packet(pkt);
for (i=1; ; i++) {
size = AV_RB32(p);
if (size>INT_MAX || p - pkt->data <= size)
return 0;
if (p[4]&128)
break;
p-= size+5;
}
pkt->side_data = av_malloc(i * sizeof(*pkt->side_data));
if (!pkt->side_data)
return AVERROR(ENOMEM);
p= pkt->data + pkt->size - 8 - 5;
for (i=0; ; i++) {
size= AV_RB32(p);
av_assert0(size<=INT_MAX && p - pkt->data > size);
pkt->side_data[i].data = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
pkt->side_data[i].size = size;
pkt->side_data[i].type = p[4]&127;
if (!pkt->side_data[i].data)
return AVERROR(ENOMEM);
memcpy(pkt->side_data[i].data, p-size, size);
pkt->size -= size + 5;
if(p[4]&128)
break;
p-= size+5;
}
pkt->size -= 8;
pkt->side_data_elems = i+1;
return 1;
}
return 0;
}
static int avpacket_queue_put(AVPacketQueue *q, AVPacket *pkt)
{
AVPacketList *pkt1;
// Drop Packet if queue size is > 1GB
if (avpacket_queue_size(q) > 1024 * 1024 * 1024 ) {
av_log(q->avctx, AV_LOG_WARNING, "Decklink input buffer overrun!\n");
return -1;
}
/* duplicate the packet */
if (av_dup_packet(pkt) < 0) {
return -1;
}
pkt1 = (AVPacketList *)av_malloc(sizeof(AVPacketList));
if (!pkt1) {
return -1;
}
pkt1->pkt = *pkt;
pkt1->next = NULL;
pthread_mutex_lock(&q->mutex);
if (!q->last_pkt) {
q->first_pkt = pkt1;
} else {
q->last_pkt->next = pkt1;
}
q->last_pkt = pkt1;
q->nb_packets++;
q->size += pkt1->pkt.size + sizeof(*pkt1);
pthread_cond_signal(&q->cond);
pthread_mutex_unlock(&q->mutex);
return 0;
}
