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45 Commits

Author SHA1 Message Date
Aurelien Jacobs
3ee8ca9b08 add avcodec_get_subtitle_defaults() to initialize AVSubtitle struct 
Call this new function before decode() to replace the custom and
inconsistant initialization in various decoders.
This function is equivalent to avcodec_get_frame_defaults() for AVFrame.

Signed-off-by: Aurelien Jacobs <aurel@gnuage.org>
 2011-04-11 23:27:50 +02:00
Janne Grunau
1a08928538 dvbsubdec: check against buffer overreads 
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit 493aa30adf)
 2011-02-11 02:54:09 +01:00
Reimar Döffinger
20708223db Do not fail DVB sub decoding because of a few padding bytes 
Instead of returning an error when bytes are left over, just return
the number of actually used bytes as other decoders do.
Instead add a special case so an error will be returned when none
of the data looks valid to avoid making debugging a pain.

Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
(cherry picked from commit 4a72765a1c)
 2011-02-11 02:54:09 +01:00
Jindrich Makovicka
52b2e95cd9 dvdsubdec.c: prevent input buffer overflow 
In some places, dvbsubdec passes improper input buffer size to
bitstream reading functions, not accounting for reading pointer
updates.

Fixed by using buffer_end - buffer pointer instead of fixed buffer length.

Signed-off-by: Jindrich Makovicka <makovick@gmail.com>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-02-07 16:56:49 +01:00
Clément Bœsch
e31a744155 Remove a few if (p) av_free(p) forms 
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 437fb1c87d)
 2011-02-04 03:10:10 +01:00
Luca Barbato
9ef5a9deaf Replace dprintf with av_dlog 
dprintf clashes with POSIX.1-2008
(cherry picked from commit dfd2a005eb)
 2011-01-30 03:41:48 +01:00
Diego Elio Pettenò
e7e2df27f8 Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf. 
None of these symbols should be accessed directly, so declare them as
hidden.

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit d36beb3f69)
 2011-01-28 03:15:34 +01:00
Reimar Döffinger
b834becdae Pass the composition and ancillary ID for DVB subtitles via extradata instead 
of sub_id, this allows detecting when that information is not available and
just decode everything.
In addition extradata is required for many codecs and thus in contrast to
sub_id generally already passed on by any programs using libav*.
Also ask for a sample if we encounter a stream with multiple/changing IDs.

Originally committed as revision 24238 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-14 17:28:40 +00:00
Reimar Döffinger
3174073623 Remove useless casts and memset. 
Originally committed as revision 24186 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-11 07:45:42 +00:00
Stefano Sabatini
2b4abbd6f5 Move colorspace.h from libavcodec to libavutil. 
Avoid a compile-time dependency of the pad filter on libavcodec.

Originally committed as revision 23940 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-01 18:49:44 +00:00
Janne Grunau
08943c0bd1 dvbsub: parse display definition segment 
The display definition segment is used to properly display SD DVB subtitles in
HD video streams.

Originally committed as revision 23626 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-06-16 13:07:12 +00:00
Stefano Sabatini
72415b2adb Define AVMediaType enum, and use it instead of enum CodecType, which 
is deprecated and will be dropped at the next major bump.

Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-30 23:30:55 +00:00
Reimar Döffinger
29d7eef7dc Always allocate a buffer of AVPALETTE_SIZE for palette in the subtitle 
decoders instead of as small as possible.
This avoids completely unnecessary issues with e.g. libswscale.

Originally committed as revision 19673 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-08-20 18:54:50 +00:00
Diego Biurrun
8b44de14d1 Change av_log() calls surrounded by '#ifdef DEBUG' into dprintf macros. 
Originally committed as revision 19550 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-30 21:00:08 +00:00
Janne Grunau
d6a1611cc2 Set subtitle type in DVB subtitle decoder. 
Patch by Janne Grunau <j?nne-f?mpeg@jannau?net>.

Originally committed as revision 19432 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-14 23:12:43 +00:00
Stefano Sabatini
9106a698e7 Rename bitstream.h to get_bits.h. 
Originally committed as revision 18494 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-13 16:20:26 +00:00
Reynaldo H. Verdejo Pinochet
8bf7a510b9 Fix wrong size computation for buffer. Patch is part of 
netgem's changeset.

Originally committed as revision 18477 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-12 21:48:43 +00:00
Thilo Borgmann
7a00bbad21 Implement avcodec_decode_video2(), _audio3() and _subtitle2() which takes an 
AVPacket argument rather than a const uint8_t *buf + int buf_size. This allows
passing of packet-specific flags from demuxer to decoder, such as the keyframe
flag, which appears necessary to playback corePNG P-frames.

Patch by Thilo Borgmann thilo.borgmann googlemail com, see also the thread
"Google Summer of Code participation" on the mailinglist.

Originally committed as revision 18351 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-07 15:59:50 +00:00
Diego Biurrun
406792e7b0 cosmetics: Remove pointless period after copyright statement non-sentences. 
Originally committed as revision 16684 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-19 15:46:40 +00:00
Michael Niedermayer
25b4c651a3 Replace AVSubtitleRect.rgba_palette and bitmap by AVPicture. 
Originally committed as revision 16416 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-03 19:17:18 +00:00
Michael Niedermayer
db4fac64db Change AVSubtitle.rects to an array of pointers so ABI does not break 
when the size of AVSubtitleRect changes.

Originally committed as revision 16412 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-03 17:54:48 +00:00
Stefano Sabatini
fe4bf37455 Make AVCodec long_names definition conditional depending on CONFIG_SMALL. 
Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-06-12 21:50:13 +00:00
Michael Niedermayer
dd72228e53 minor simplification 
Originally committed as revision 13485 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-05-28 01:34:46 +00:00
Michael Niedermayer
8403c543de redundant 
Originally committed as revision 13484 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-05-28 01:30:59 +00:00
Stefano Sabatini
162d4fc99d Add long names to AVCodec declarations. 
patch by Stefano Sabatini, stefano.sabatini-lala poste it

Originally committed as revision 13009 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-04-27 22:39:51 +00:00
Zuxy Meng
98a6fff98c Apply 'cold' attribute to init/uninit functions in libavcodec 
Originally committed as revision 12525 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-03-21 03:11:20 +00:00
Michael Niedermayer
7993df6527 consts 
I have underestimated this a little, and these are just some ...

Originally committed as revision 11708 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-02-01 03:26:31 +00:00
Diego Biurrun
cedb83a671 colour --> color in variable names 
Originally committed as revision 11159 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-12-03 13:33:48 +00:00
Michael Niedermayer
e59d932826 cosmetic (x==NULL -> !x) 
Originally committed as revision 11067 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-11-19 20:33:25 +00:00
Michael Niedermayer
5b2052b38f cosmetic (place { consistently) 
Originally committed as revision 11066 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-11-19 20:30:00 +00:00
Michael Niedermayer
0dd954b1f0 cosmetic (remove != 0 / != NULL) 
Originally committed as revision 11064 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-11-19 20:26:35 +00:00
Michael Niedermayer
e1c48b7aae use sizeof in snprintf (note the changed code is all under #if 0) 
Originally committed as revision 11063 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-11-19 20:18:30 +00:00
Michael Niedermayer
2867ed9b1c check region depth for validity 
(32/64/128 would crash at least due to 1<<depth allocation later,
and no i do not have a sample file)

Originally committed as revision 11062 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-11-19 20:14:46 +00:00
Alex Beregszaszi
5fc32c275e use get_bits1(..) instead get_bits(.., 1) 
Originally committed as revision 9999 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-09 00:13:31 +00:00
Ian Caulfield
04d2e45f3f create colorspace.h and use it where appropriate 
patch by Ian Caulfield: /ian caulfield gmail com/

Originally committed as revision 9716 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-07-17 12:33:14 +00:00
Diego Biurrun
0d02cacda9 Move dvbsubdec parser to its own file. 
Originally committed as revision 8906 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-05-06 02:11:31 +00:00
Michael Niedermayer
0c3c674cde remove useless static cm variable 
Originally committed as revision 8393 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-03-13 22:53:01 +00:00
Alex Beregszaszi
fead30d444 rename BE/LE_8/16/32 to AV_RL/B_8/16/32 
Originally committed as revision 7587 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-01-19 22:12:59 +00:00
Måns Rullgård
55fde95e3b rename cropTbl -> ff_cropTbl 
Originally committed as revision 6992 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-12 20:08:09 +00:00
Steve L'Homme
949b1a13bf Replace most of the %lld and %llx by their (cleaner) PRI*64 counterparts. 
patch by Steve Lhomme, slhomme divxcorp com

Originally committed as revision 6868 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-11-01 22:39:58 +00:00
Diego Biurrun
b78e7197a8 Change license headers to say 'FFmpeg' instead of 'this program/this library' 
and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-10-07 15:30:46 +00:00
Diego Biurrun
5509bffa88 Update licensing information: The FSF changed postal address. 
Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2006-01-12 22:43:26 +00:00
Diego Biurrun
115329f160 COSMETICS: Remove all trailing whitespace. 
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-12-17 18:14:38 +00:00
Ian Caulfield
bf01fb696d subs.diff fixes a couple of minor bugs in my DVB subtitle decoder, and also fixes a few 
problems in the DVD decoder (the palette entries were being read
back-to-front, and the timing conversions were slighly off)
patch by (Ian Caulfield: imc25, cam ac uk)

Originally committed as revision 4520 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-08-14 01:15:27 +00:00
Michael Niedermayer
c6ec28b18c DVB subtitle decoder by (Ian Caulfield: imc25, cam ac uk) 
Originally committed as revision 4448 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2005-07-17 00:28:12 +00:00