[gst-devel] Question on x264enc, modification in function "gst_x264_enc_header_buf"

[yiliang]

Hi,

The following part in the function "gst_x264_enc_header_buf" is changed in
the latest release of gst-plugin-ugly.

From:

  buffer[0] = 1;                /* AVC Decoder Configuration Record ver. 1
*/
  buffer[1] = sps[0];           /* profile_idc                            
*/
  buffer[2] = sps[1];           /* profile_compability                    
*/
  buffer[3] = sps[2];           /* level_idc                              
*/
  buffer[4] = 0xfc | (4 - 1);   /* nal_length_size_minus1                 
*/

To:

  buffer[0] = 1;                /* AVC Decoder Configuration Record ver. 1
*/
  buffer[1] = sps[1];           /* profile_idc                            
*/
  buffer[2] = sps[2];           /* profile_compability                    
*/
  buffer[3] = sps[3];           /* level_idc                              
*/
  buffer[4] = 0xfc | (4 - 1);   /* nal_length_size_minus1                 
*/

Ubuntu uses libx264 of build 67. At least for this version, I think the
original implementation was right. I do not understand why it was changed.
Please help.

Thanks,
Yiliang

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