diff options
Diffstat (limited to 'gst-libs/gst/codecparsers')
-rw-r--r-- | gst-libs/gst/codecparsers/gstmpeg4parser.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gst-libs/gst/codecparsers/gstmpeg4parser.c b/gst-libs/gst/codecparsers/gstmpeg4parser.c index 686ae9336..ad7fcb638 100644 --- a/gst-libs/gst/codecparsers/gstmpeg4parser.c +++ b/gst-libs/gst/codecparsers/gstmpeg4parser.c @@ -1497,7 +1497,10 @@ gst_mpeg4_parse_video_plane_short_header (GstMpeg4VideoPlaneShortHdr * g_return_val_if_fail (shorthdr != NULL, GST_MPEG4_PARSER_ERROR); - if (gst_bit_reader_get_remaining (&br) < 26) + if (gst_bit_reader_get_remaining (&br) < 48) + goto failed; + + if (gst_bit_reader_get_bits_uint32_unchecked (&br, 22) != 0x20) goto failed; shorthdr->temporal_reference = @@ -1518,26 +1521,31 @@ gst_mpeg4_parse_video_plane_short_header (GstMpeg4VideoPlaneShortHdr * shorthdr->vop_height = 96; shorthdr->num_macroblocks_in_gob = 8; shorthdr->num_gobs_in_vop = 6; + break; case 0x02: shorthdr->vop_width = 176; shorthdr->vop_height = 144; shorthdr->num_macroblocks_in_gob = 11; shorthdr->num_gobs_in_vop = 9; + break; case 0x03: shorthdr->vop_width = 352; shorthdr->vop_height = 288; shorthdr->num_macroblocks_in_gob = 22; shorthdr->num_gobs_in_vop = 18; + break; case 0x04: shorthdr->vop_width = 704; shorthdr->vop_height = 576; shorthdr->num_macroblocks_in_gob = 88; shorthdr->num_gobs_in_vop = 18; + break; case 0x05: shorthdr->vop_width = 1408; shorthdr->vop_height = 1152; shorthdr->num_macroblocks_in_gob = 352; shorthdr->num_gobs_in_vop = 18; + break; default: shorthdr->vop_width = 0; shorthdr->vop_height = 0; |