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avc: Emit a single buffer per callback

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This commit is contained in:
Quentin Smith 2011-04-19 15:00:53 -04:00 committed by David Schleef
parent edc93f89e1
commit 66956d1c96
1 changed files with 13 additions and 5 deletions
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18
sys/avc/gstavcsrc.cpp
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@ -224,23 +224,31 @@ MyStructuredDataPushProc (UInt32 CycleDataCount,
GstAVCSrc *avcsrc = GST_AVC_SRC (pRefCon);
if (avcsrc) {
UInt32 numPackets = 0;
for (UInt32 cycle = 0; cycle < CycleDataCount; cycle++)
numPackets += pCycleData[cycle].tsPacketCount;
GstBuffer *buffer;
buffer = gst_buffer_new_and_alloc (numPackets*kMPEG2TSPacketSize);
guint8 *data = GST_BUFFER_DATA (buffer);
for (UInt32 cycle = 0; cycle < CycleDataCount; cycle++) {
GST_LOG("Received cycle %lu of %lu - %lu packets (fw time %lx)",
cycle, CycleDataCount, pCycleData[cycle].tsPacketCount,
pCycleData[cycle].fireWireTimeStamp);
for (UInt32 sourcePacket = 0; sourcePacket < pCycleData[cycle].tsPacketCount;
sourcePacket++) {
GstBuffer *buffer;
buffer = gst_buffer_new_and_alloc (kMPEG2TSPacketSize);
memcpy (GST_BUFFER_DATA (buffer),
memcpy (data,
pCycleData[cycle].pBuf[sourcePacket], kMPEG2TSPacketSize);
data += kMPEG2TSPacketSize;
gst_atomic_queue_push (avcsrc->queue, buffer);
avcsrc->packets_enqueued++;
}
}
gst_atomic_queue_push (avcsrc->queue, buffer);
g_mutex_lock (avcsrc->queue_lock);
g_cond_signal (avcsrc->cond);
g_mutex_unlock (avcsrc->queue_lock);