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pbutils: Add SP levels 4a, 5 and 6

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=655503
This commit is contained in:
Jens Georg 2011-07-28 14:43:53 +02:00 committed by Sebastian Dröge
parent 7d22d91fca
commit fe17585568
1 changed files with 9 additions and 3 deletions
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12
gst-libs/gst/pbutils/codec-utils.c
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@ -712,13 +712,16 @@ gst_codec_utils_mpeg4video_get_profile (const guint8 * vis_obj_seq, guint len)
const gchar *
gst_codec_utils_mpeg4video_get_level (const guint8 * vis_obj_seq, guint len)
{
/* The profile/level codes are from 14496-2, table G-1, and the Wireshark
* sources: epan/dissectors/packet-mp4ves.c
/* The profile/level codes are from 14496-2, table G-1, the Wireshark
* sources: epan/dissectors/packet-mp4ves.c and the Xvid Sources:
* src/xvid.h.
* Levels 4a and 5 for SP were added in Amendment 2, level 6 in Amendment 4
* (see Xvid sources vfw/config.c)
*
* Each profile has a different maximum level it defines. Some of them still
* need special case handling, because not all levels start from 1, and the
* Simple profile defines an intermediate level as well. */
static const int level_max[] = { 3, 2, 2, 4, 2, 1, 2, 2, 2, 4, 3, 4, 2, 3, 4,
static const int level_max[] = { 6, 2, 2, 4, 2, 1, 2, 2, 2, 4, 3, 4, 2, 3, 4,
5
};
int profile_id, level_id;
@ -772,6 +775,9 @@ gst_codec_utils_mpeg4video_get_level (const guint8 * vis_obj_seq, guint len)
else if (profile_id == 0 && level_id == 9)
/* Simple Profile / Level 0b */
return "0b";
else if (profile_id == 0 && level_id == 4)
/* Simple Profile / Level 4a */
return "4a";
else if (profile_id == 0xf && level_id > 7)
/* Fine Granularity Scalable Profile */
return digit_to_string (level_id - 8);