mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-02-02 04:22:27 +00:00
Code Issues 1 Projects Releases Wiki Activity

codecparsers: fix pattern/mask of resync_marker parsing of mpeg4

Browse source
This commit is contained in:
Zhao Halley 2011-12-06 08:15:46 +08:00 committed by Thibault Saunier
parent a1305b949c
commit 391ecbda71
1 changed files with 18 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
gst-libs/gst/codecparsers/gstmpeg4parser.c
View file

@ -290,6 +290,7 @@ compute_resync_marker_size (const GstMpeg4VideoObjectPlane * vop,
guint32 * pattern, guint32 * mask)
{
guint8 off;
/* FIXME handle the binary only shape case */
switch (vop->coding_type) {
case (GST_MPEG4_I_VOP):
@ -311,36 +312,36 @@ compute_resync_marker_size (const GstMpeg4VideoObjectPlane * vop,
if (mask && pattern) {
switch (off) {
case 16:
*pattern = 0x00008;
*mask = 0xfffff;
*pattern = 0x00008000;
*mask = 0xffff8000;
break;
case 17:
*pattern = 0x00004;
*mask = 0xfffff;
*pattern = 0x00004000;
*mask = 0xffffc000;
break;
case 18:
*pattern = 0x00002;
*mask = 0xfffff;
*pattern = 0x00002000;
*mask = 0xffffe000;
break;
case 19:
*pattern = 0x00001;
*mask = 0xfffff;
*pattern = 0x00001000;
*mask = 0xfffff000;
break;
case 20:
*pattern = 0x000008;
*mask = 0xffffff;
*pattern = 0x0000080;
*mask = 0xfffff800;
break;
case 21:
*pattern = 0x000004;
*mask = 0xffffff;
*pattern = 0x00000400;
*mask = 0xfffffc00;
break;
case 22:
*pattern = 0x000002;
*mask = 0xffffff;
*pattern = 0x00000200;
*mask = 0xfffffe00;
break;
case 23:
*pattern = 0x000001;
*mask = 0xffffff;
*pattern = 0x00000100;
*mask = 0xffffff00;
break;
}
}
@ -907,6 +908,7 @@ gst_mpeg4_parse_video_object_layer (GstMpeg4VideoObjectLayer * vol,
GstMpeg4VisualObject * vo, const guint8 * data, gsize size)
{
guint8 video_object_layer_start_code;
/* Used for enums types */
guint8 tmp;
GstBitReader br = GST_BIT_READER_INIT (data, size);