public unsafe AvioContext(
FfmpegCalls.AvioReadData readDataCallback,
FfmpegCalls.AvioSeek seekCallback,
FfmpegCalls.AvioWriteData writeDataCallback)
{
_readDataCallback = readDataCallback;
_seekCallback = seekCallback;
_writeDataCallback = writeDataCallback;
//make sure that the buffer won't be disposed
//the buffer may change. we always have to free _context->buffer
_buffer = new AvioBuffer {
SuppressAvFree = true
};
_context = FfmpegCalls.AvioAllocContext(_buffer, _writeDataCallback != null, IntPtr.Zero,
_readDataCallback, _writeDataCallback, _seekCallback);
}
internal static extern AVIOContext *avio_alloc_context(byte * @buffer, int @buffer_size, int @write_flag, void * @opaque,
[MarshalAs(UnmanagedType.FunctionPtr)] FfmpegCalls.AvioReadData @read_packet,
[MarshalAs(UnmanagedType.FunctionPtr)] FfmpegCalls.AvioWriteData @write_packet,
[MarshalAs(UnmanagedType.FunctionPtr)] FfmpegCalls.AvioSeek @seek);
public AvioContext(
FfmpegCalls.AvioReadData readDataCallback,
FfmpegCalls.AvioSeek seekCallback)
: this(readDataCallback, seekCallback, null)
{
}