public ErrorCode process(ISample sample)
{
while (samples_.Count == MAX_PACKETS && !eos_)
{
Thread.Sleep(1);
}
if (eos_)
{
clear();
return ErrorCode.EndOfStream;
}
Debug.Assert(sample.pointee().Length <= BUFFER_SIZE);
if (buffer_ == IntPtr.Zero)
{
allocator_.alloc(out buffer_, BUFFER_SIZE);
left_ = BUFFER_SIZE;
Debug.Assert(buffer_ != IntPtr.Zero);
}
IntPtr dst = new IntPtr(buffer_.ToInt64() + BUFFER_SIZE - left_);
//amcdx_u8* src = static_cast<amcdx_u8*>(sample->pointee());
if (left_ >= sample.pointee().Length)
{
//memcpy(dst, src, sample->size());
Marshal.Copy(sample.pointee(), 0, dst, sample.pointee().Length);
left_ -= (uint)sample.pointee().Length;
}
else
{
if (left_ > 0)
{
Marshal.Copy(sample.pointee(), 0, dst, (int)left_);
}
PCMSample sampl = new PCMSample();
sampl.size = BUFFER_SIZE;
sampl.pointer = buffer_;
sampl.time = sample.endTime();
samples_.AddLast(sampl);
allocator_.alloc(out buffer_, BUFFER_SIZE);
Debug.Assert(buffer_ != IntPtr.Zero);
Debug.Assert(sample.pointee().Length - left_ <= BUFFER_SIZE);
Marshal.Copy(sample.pointee(), (int)left_, buffer_, (int)(sample.pointee().Length - left_));
left_ = (uint)(BUFFER_SIZE + left_ - sample.pointee().Length);
Debug.Assert(left_ <= BUFFER_SIZE);
}
if ((stopped_ && samples_.Count > 2) || (stopped_ && eos_))
{
lock(cs_)
{
int size = samples_.Count;
if (renderer_ == IntPtr.Zero)
{
waveOutOpen(out renderer_, 0, ref wfx_, IntPtr.Zero, 0, 0);
for (int i = 0; i < Math.Min(size, 2); ++i)
{
if (i == 0)
{
IntPtr ptr = AVUtils.readPtr(hdr0_, 0);
AVUtils.memcpy(samples_.First.Value.pointer, ptr, (int)samples_.First.Value.size);
allocator_.free(samples_.First.Value.pointer, BUFFER_SIZE);
timeStamps_.AddLast(samples_.First.Value.time);
waveOutPrepareHeader(renderer_, hdr0_, 5 * 4 + 3 * Marshal.SizeOf(typeof(IntPtr)));
samples_.RemoveFirst();
}
else
{
IntPtr ptr = AVUtils.readPtr(hdr1_, 0);
AVUtils.memcpy(samples_.First.Value.pointer, ptr, (int)samples_.First.Value.size);
allocator_.free(samples_.First.Value.pointer, BUFFER_SIZE);
timeStamps_.AddLast(samples_.First.Value.time);
waveOutPrepareHeader(renderer_, hdr1_, 5 * 4 + 3 * Marshal.SizeOf(typeof(IntPtr)));
samples_.RemoveFirst();
}
}
}
for (int i = 0; i < Math.Min(size, 2); ++i)
{
if (i == 0)
{
if (waveOutWrite(renderer_, hdr0_, 5 * 4 + 3 * Marshal.SizeOf(typeof(IntPtr))) != 0)
{
Debug.Assert(false);
}
}
else
{
if (waveOutWrite(renderer_, hdr1_, 5 * 4 + 3 * Marshal.SizeOf(typeof(IntPtr))) != 0)
{
Debug.Assert(false);
}
}
}
thread_ = new Thread(threadFunc);
stopped_ = false;
thread_.Start();
}
}
return ErrorCode.Success;
}
public ErrorCode process(ISample sample)
{
if (sample == null)
{
return ErrorCode.NullReference;
}
ErrorCode er = ErrorCode.Success;
if (sample.endTime() < sample.seekTime())
{
//drop frame as we should not render it
return ErrorCode.Success;
}
strm_.refresh(sample.pointee());
while (mpaDecode())
{
//create sampe here and deliver to next filter
byte[] buff = new byte[samples_.Length * sizeof(short)];
System.Buffer.BlockCopy(samples_, 0, buff, 0, buff.Length);
ISample decoded = new Sample(buff, sample.startTime(), sample.endTime(), sample.seekTime(), sample.isDiscontinuous());
if (next_ != null)
{
er = next_.process(decoded);
}
if (renderer_ != null)
{
er = renderer_.process(decoded);
}
}
return er;
}
