private void EncodeAndWritePacket()
{
byte[] frameBuffer = new byte[FrameSize];
m_buffer.Read(frameBuffer, 0, frameBuffer.Length);
fixed(byte *pcmSamples = frameBuffer)
{
if (m_disposed)
{
throw new ObjectDisposedException(this.ToString());
}
AVPacket outPacket = new AVPacket();
FFmpeg.av_init_packet(ref outPacket);
byte[] buffer = new byte[FFmpeg.FF_MIN_BUFFER_SIZE];
fixed(byte *encodedData = buffer)
{
try
{
outPacket.size = FFmpeg.avcodec_encode_audio(ref m_avCodecCtx, encodedData, FFmpeg.FF_MIN_BUFFER_SIZE, (short *)pcmSamples);
outPacket.pts = m_avCodecCtx.coded_frame->pts;
outPacket.flags |= FFmpeg.PKT_FLAG_KEY;
outPacket.stream_index = m_avStream.index;
outPacket.data = (IntPtr)encodedData;
if (outPacket.size > 0)
{
if (FFmpeg.av_write_frame(ref m_avFormatCtx, ref outPacket) != 0)
{
throw new IOException("Error while writing encoded audio frame to file");
}
}
}
finally
{
FFmpeg.av_free_packet(ref outPacket);
}
}
}
}
