[gst-devel] sequence header from "codec_data" for WMV VC-1 Advanced and Simple Main profiles.
felipe.contreras at gmail.com
Tue Oct 21 13:33:36 CEST 2008
On Tue, Oct 21, 2008 at 4:29 AM, Ajitabh Saxena <ajitabhp at broadcom.com> wrote:
> Hi There,
> Thanks for the information. I figured that it should be correct only. Now from the VC1 specs it says that there is a 4 byte sequence strucutre (STRUCT_C) for simple and main profile. The fiels included are:
> PROFILE: 4bits
> FRMRTQ:3 bits
> Though the total of this structure comes to 4 bytes. But when I see the metadata for simple/Main
> 0x4B 0xF1 0x0A 0x01
> The first two bits which designate the profile are set to Advanced profile.
> >From Specs it says that these bits are designated to be
> Value - Meaning.
> 0 - Simple Profile.
> 4 - Main Profile.
> 12 - Advanced Profile.
> Just also want to mention that for advanced profile the Metadata makes perfect sence and the data that I am getting is
> 27 00 00 01 0f DB BE 27 F1 67 88 80 00 00 01 0E 10 44 9F C5 9C 80
> Am I parsing the structure correctly. I know I am missing something.
I don't know how to parse the data, maybe you can take a look at FFmpeg.
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