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document the extradata protocol for VP6F 

Originally committed as revision 6772 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2006-10-23 00:10:18 +00:00
parent fa73604f61
commit 246f86a4d6
2 changed files with 11 additions and 0 deletions
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5
libavcodec/vp6.c
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@ -19,6 +19,11 @@
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*
* The VP6F decoder accept an optional 1 byte extradata. It is composed of:
* - upper 4bits: difference between encoded width and visible width
* - lower 4bits: difference between encoded height and visible height
*/
#include <stdlib.h>

6
libavformat/flvdec.c
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@ -17,6 +17,12 @@
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*
* This demuxer will generate a 1 byte extradata for VP6F content.
* It is composed of:
* - upper 4bits: difference between encoded width and visible width
* - lower 4bits: difference between encoded height and visible height
*/
#include "avformat.h"