//---------------------------------------------------------------------------
void File_Caf::desc()
{
//Parsing
float64 SampleRate;
int32u FormatID, FormatFlags, BytesPerPacket, FramesPerPacket, ChannelsPerFrame, BitsPerChannel;
Get_BF8(SampleRate, "SampleRate");
Get_C4 (FormatID, "FormatID");
Get_B4 (FormatFlags, "FormatFlags");
Get_B4 (BytesPerPacket, "BytesPerPacket");
Get_B4 (FramesPerPacket, "FramesPerPacket");
Get_B4 (ChannelsPerFrame, "ChannelsPerFrame");
Get_B4 (BitsPerChannel, "BitsPerChannel");
FILLING_BEGIN();
if (SampleRate)
Fill(Stream_Audio, 0, Audio_SamplingRate, SampleRate);
CodecID_Fill(Ztring().From_CC4(FormatID), Stream_Audio, 0, InfoCodecID_Format_Mpeg4);
if (ChannelsPerFrame)
Fill(Stream_Audio, 0, Audio_Channel_s_, ChannelsPerFrame);
if (BitsPerChannel)
Fill(Stream_Audio, 0, Audio_BitDepth, BitsPerChannel);
if (BytesPerPacket && SampleRate && FramesPerPacket)
Fill(Stream_Audio, 0, Audio_BitRate, SampleRate*BytesPerPacket*8/FramesPerPacket);
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Ivf::FileHeader_Parse()
{
//Parsing
int32u frame_rate_num, frame_rate_den, frame_count, fourcc;
int16u version, header_size, width, height;
Skip_C4 ( "Signature");
Get_L2 (version, "Version");
if (version==0)
{
Get_L2 (header_size, "Header Size");
if (header_size>=32)
{
Get_C4 (fourcc, "Fourcc");
Get_L2 (width, "Width");
Get_L2 (height, "Height");
Get_L4 (frame_rate_num, "FrameRate Numerator");
Get_L4 (frame_rate_den, "FrameRate Denominator");
Get_L4 (frame_count, "Frame Count");
Skip_L4( "Unused");
if (header_size-32)
Skip_XX(header_size-32, "Unknown");
}
else
{
fourcc=0x00000000;
width=0;
height=0;
frame_rate_num=0;
frame_rate_den=0;
frame_count=0;
}
}
else
{
header_size=0;
fourcc=0x00000000;
width=0;
height=0;
frame_rate_num=0;
frame_rate_den=0;
frame_count=0;
}
FILLING_BEGIN();
Accept("IVF");
Fill(Stream_General, 0, General_Format, "IVF");
if (version==0 && header_size>=32)
{
Stream_Prepare(Stream_Video);
CodecID_Fill(Ztring().From_CC4(fourcc), Stream_Video, 0, InfoCodecID_Format_Riff);
Fill(Stream_Video, 0, Video_FrameRate, (float)frame_rate_num / frame_rate_den);
Fill(Stream_Video, 0, Video_FrameCount, frame_count);
Fill(Stream_Video, 0, Video_Width, width);
Fill(Stream_Video, 0, Video_Height, height);
Fill(Stream_Video, 0, Video_StreamSize, File_Size-header_size-12*frame_count); //Overhead is 12 byte per frame
}
//No more need data
Finish("IVF");
FILLING_END();
}
