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34 commits

Author SHA1 Message Date
Gwenole Beauchesne
e179a6b4dc codecparsers: vc1: fix PTYPE for interlaced frames. 
Coverity found missing break in parse_frame_header_advanced() when
determining PTYPE from FPTYPE for interlaced streams.

https://bugzilla.gnome.org/show_bug.cgi?id=688626

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
 2012-11-19 13:57:48 +01:00
Tim-Philipp Müller
9e1b75fda3 Fix FSF address 
https://bugzilla.gnome.org/show_bug.cgi?id=687520
 2012-11-04 00:09:59 +00:00
Gwenole Beauchesne
0b2dd2e723 codecparsers: vc1: fix aspect ratio calculation. 
ASPECT_HORIZ_SIZE and ASPECT_VERT_SIZE are syntax elements that hold
binary encodings of sizes ranging from 1 to 256. Thus, the calculated
pixel-aspect-ratio was off by one.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>

https://bugzilla.gnome.org/show_bug.cgi?id=683858
 2012-09-12 10:44:10 +01:00
Thibault Saunier
20669d461a Fix 'ignoring return value of function declared with const attribute' 
This always happens with GstByteReader/Writer and friends when
not taking into account returned boolean of the _read/_write functions
(which is actually wrong).

Make use of the *_unchecked variant as much as possible, or take the
returned value into account.
 2012-03-10 19:22:07 -03:00
Tim-Philipp Müller
12c678c7cf codecparsers: minor fixes 
Const-ify one more VLC table. Fix spelling of 'hybrid'.
No need to explicitly call ensure_debug_category() everywhere,
that will be done automatically from GST_LOG() and friends
via GST_CAT_DEFAULT.
 2011-11-29 09:15:11 +00:00
Thibault Saunier
e464370163 codecparsers: Declare private arrays as static all around 2011-11-28 21:25:34 -03:00
Thibault Saunier
4439048e4a codecparsers: Move shared code to a parser utils file 2011-11-28 21:25:34 -03:00
Vincent Penquerc'h
ca2f96caac vc1parser: do not overwrite buffer 
I do not know the bitstream format, but this seems likely
to be what was intended. Also add a check on the number of
items to read.

https://bugzilla.gnome.org/show_bug.cgi?id=662776
 2011-11-03 09:46:02 +01:00
Sreerenj Balachandran
32a1e05795 vc1parser: fix parsing of RANGEREDFRM 2011-11-03 09:44:18 +01:00
Sreerenj Balachandran
48275dc071 vc1parser: Correct the parsing of FRMRTQ_POSTPROC and BITRTQ_POSTPROC 2011-10-21 10:53:47 +02:00
Sreerenj Balachandran
30a3c5147b vc1parser: Correct the parsing of sequece layer. 2011-10-21 10:53:47 +02:00
Thibault Saunier
73d847ba24 codecparsers: VC1: Compute par and fps in advanced profile 2011-10-17 13:17:40 +02:00
Thibault Saunier
14590f06a0 codecparsers: VC1: Handle interlaced fields 2011-10-17 13:17:40 +02:00
Thibault Saunier
88766dc738 codecparsers: VC1: Handle interlaced frames properly 2011-10-17 13:17:40 +02:00
Thibault Saunier
7a689b6805 codecparsers: VC1: Use enums when possible 
Add GstVC1FrameCodingMode and use it for the fcm field
Use GstVC1PictureType as variable type for ptype
Use GstVC1Level as variable type for level
 2011-10-17 13:17:40 +02:00
Gwenole Beauchesne
40a1ed8288 codecparsers: vc1: fix bitplanes decoding (check for errors). 2011-10-17 13:17:40 +02:00
Gwenole Beauchesne
839acd54f6 codecparsers: vc1: fix bitplanes decoding (INVERT mode). 2011-10-17 13:17:40 +02:00
Gwenole Beauchesne
4280a61a23 codecparsers: vc1: fix MVMODE and MVMODE2 parsing. 2011-10-17 13:17:39 +02:00
Gwenole Beauchesne
b23f7eb38d codecparsers: vc1: handle skipped pictures gracefully. 2011-10-17 13:17:39 +02:00
Thibault Saunier
ce71fdae1b codecparsers: VC1: Implement bitplanes diff operator 2011-10-17 13:17:39 +02:00
Thibault Saunier
8090627581 codecparsers: VC1: Some cosmetics and debug logging enhancements 2011-10-17 13:17:39 +02:00
Gwenole Beauchesne
ef5b8ef581 codecparsers: vc1: Implement bitplanes handling properly 
Add a new GstVC1BitPlanes API.
 2011-10-17 13:17:39 +02:00
Gwenole Beauchesne
ac552a4f82 codecparsers: vc1: fix BFRACTION parser (values range + overflow). 2011-10-17 13:17:39 +02:00
Gwenole Beauchesne
52d8510ee0 codecparsers: vc1: fix VLC decoding. 2011-10-17 13:17:39 +02:00
Thibault Saunier
1a1935dacf codecparsers: VC1: Implement FrameLayer parsing 2011-10-17 13:17:39 +02:00
Thibault Saunier
fc09e45108 codecparsers: VC1: Implement Sequence Layer Data Structures 
Instead of having a single VC1SequenceHeader structure, use the 3 structs
from the "Table 265: Sequence Layer Data Structure" of the specification
for the library to be more flexible.

Implement the functions to parse them
 2011-10-17 13:17:38 +02:00
Thibault Saunier
446e0a5216 codecparsers: VC1: Compute framerate and bitrate in simple/main profiles 2011-10-17 13:17:38 +02:00
Thibault Saunier
2b5e7c1f0f codecparsers: VC1: compute MB height and width 
Add them to GstVC1SequenceHdr
 2011-10-17 13:17:38 +02:00
Gwenole Beauchesne
6137d841a0 codecparsers: vc1: debug cosmetics. 2011-10-17 13:17:38 +02:00
Gwenole Beauchesne
de4a1049e2 codecparsers: vc1: record picture layer header size in bits. 2011-10-17 13:17:38 +02:00
Gwenole Beauchesne
b181bd8bae codecparsers: vc1: compute altpquant. 2011-10-17 13:17:38 +02:00
Gwenole Beauchesne
604ce193dd codecparsers: vc1: use GstVC1ParserResult type name similarly to other parsers. 2011-10-17 13:17:37 +02:00
Gwenole Beauchesne
bd686a6370 codecparsers: vc1: handle End-of-Sequence correctly. 2011-10-17 13:17:37 +02:00
Thibault Saunier
705a80d957 codecparser: VC1: Implement a VC1 parsing library 2011-09-26 08:46:37 -03:00