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64 Commits

Author SHA1 Message Date
Diego Biurrun
3281d823cd intrax8: Change type of array stride parameters to ptrdiff_t 
ptrdiff_t is the correct type for array strides and similar.

Also rename all such parameters to "stride" for consistency.
 2016-09-29 14:48:03 +02:00
Vittorio Giovara
41ed7ab45f cosmetics: Fix spelling mistakes 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2016-05-04 18:16:21 +02:00
Vittorio Giovara
ca8c759173 intrax8: Remove mpegvideo dependency 2016-03-29 13:41:09 +02:00
Diego Biurrun
6ebd06a9b2 intrax8: Drop lots of pointless parentheses 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2016-03-29 13:41:09 +02:00
Vittorio Giovara
9b57995cdd intrax8: Drop MB emulation code 
This is already performed in init_context_frame().
 2016-03-29 13:41:09 +02:00
Vittorio Giovara
9fa888c028 intrax8: Keep a reference to the decoder blocks 2016-03-29 13:41:09 +02:00
Vittorio Giovara
c2084ffcbf intrax8: Use the generic horizband function 
This is assuming that intrax8 has no support for interlacing
Carry over lowdelay value in ff_intrax8_decode_picture.
 2016-03-29 13:41:09 +02:00
Vittorio Giovara
b1268e0f03 intrax8: Pass macroblock coordinates to ff_intrax8_decode_picture 
These values need to be updated with the last macroblock position,
so keep them as pointers.
 2016-03-29 13:41:09 +02:00
Vittorio Giovara
d0540fd021 intrax8: Pass macroblock size to ff_intrax8_common_init 
Helps in decoupling this code from mpegvideo.
 2016-03-29 13:41:09 +02:00
Vittorio Giovara
159323897f intrax8: Add a local BlockDSPContext and initialize it 
Helps in decoupling this code from mpegvideo.
 2016-03-25 15:55:49 -04:00
Vittorio Giovara
1eaae7abb8 intrax8: Reference the current AVCodecContext 
It will be needed to initialize BlockDSP in the next commit.
 2016-03-25 15:55:02 -04:00
Vittorio Giovara
8072345e9f intrax8: Keep a reference to the GetBitContext reader 
Helps in decoupling this code from mpegvideo.
 2016-03-25 15:54:29 -04:00
Vittorio Giovara
65f14128c4 intrax8: Use a constant buffer instead of a ScratchpadContext 
The size of the block is fixed (8x8 plus padding).
 2016-03-25 15:54:06 -04:00
Vittorio Giovara
eaeba6f241 intrax8: Pass the output frame to the decoding function 
Helps in decoupling this code from mpegvideo.
 2016-03-25 15:53:02 -04:00
Vittorio Giovara
577393321c intrax8: Carry over the loopfilter value in ff_intrax8_decode_picture 
Helps in decoupling this code from mpegvideo.
 2016-03-25 15:52:44 -04:00
Vittorio Giovara
68127e1bf8 intrax8: Keep a reference to the context idctdsp 
Use it instead of the embedded mpegvideo one. Update init function
signature to load it directly from the callers.
 2016-03-25 15:52:24 -04:00
Vittorio Giovara
65127450ad intrax8: Make x8_init_block_index not use mpegvideo fields 2016-03-25 15:52:10 -04:00
Vittorio Giovara
922b7e6d86 intrax8: Use local destination buffers 
These buffers are just a way to store frame pointers and be able to
modify them without touching the original ones.

The two dependent decoders (WMV2 and VC1) do not need special care for
these fields: the former does not seem to use the dest buffers, while
the latter reinits them every time to the current frame data buffers.

So only keep a local copy rather than the one from mpegvideo.
 2016-03-25 15:51:50 -04:00
Diego Biurrun
8dead2aaca Move const qualifier before type name 2016-03-23 09:25:30 +01:00
Vittorio Giovara
0372e73f91 intrax8: Check and propagate errors from ff_intrax8_common_init 
This allows dropping an afterwards redundant assert.
 2016-03-22 17:33:32 -04:00
Vittorio Giovara
ad8aa8e6c6 intrax8: Move documentation from implementation to header file 2016-03-22 17:33:28 -04:00
Vittorio Giovara
2ade1cdafb intrax8: K&R formatting cosmetics 2016-03-22 17:12:20 -04:00
Diego Biurrun
6f5ff559db intrax8: Adjust printf conversion specifier for sizeof expression 2016-03-22 17:12:20 -04:00
Vittorio Giovara
42244ce07a intrax8: Move a comment to the place it corresponds 2016-03-22 16:51:09 -04:00
Vittorio Giovara
750562549c intrax8: Wrap multiline macros in do{}while(0) clauses 
These macros are treated like functions, the wrapping simplifies error
checking and avoids deeply nested ifs in the following commit.
 2016-03-22 16:51:09 -04:00
Vittorio Giovara
0c6a70873f intrax8: Move error resilience out of intrax8 
The intrax8 decoding process does not imply any kind of error
resilience, and the only call present is more related to how mpegvideo
works rather than anything else.

Therefore have the parent decoders carry out er when actually needed.
 2016-03-22 16:51:09 -04:00
Vittorio Giovara
da0c8664b4 mpegvideo: Move various temporary buffers to a separate context 2015-06-08 12:39:42 +01:00
Diego Biurrun
835f798c7d mpegvideo: cosmetics: Lowercase ugly uppercase MPV_ function name prefixes 2014-08-15 01:26:33 -07:00
Diego Biurrun
e3fcb14347 dsputil: Split off IDCT bits into their own context 2014-06-30 07:58:46 -07:00
Diego Biurrun
e74433a8e6 dsputil: Split clear_block*/fill_block* off into a separate context 2014-06-18 14:07:23 -07:00
wm4
f6774f905f mpegvideo: operate with pointers to AVFrames instead of whole structs 
The most interesting parts are initialization in ff_MPV_common_init() and
uninitialization in ff_MPV_common_end().

ff_mpeg_unref_picture and ff_thread_release_buffer have additional NULL
checks for Picture.f, because these functions can be called on
uninitialized or partially initialized Pictures.

NULL pointer checks are added to ff_thread_release_buffer() stub function.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2014-04-09 02:12:19 +02:00
Diego Biurrun
c591d4575a avcodec: Replace local extern declarations for tables with header #includes 2013-08-15 14:38:03 +02:00
Anton Khirnov
759001c534 lavc decoders: work with refcounted frames. 2013-03-08 07:38:30 +01:00
Diego Biurrun
5f401b7b71 Add missing error_resilience includes to files that use ER 2013-03-07 15:04:49 +01:00
Anton Khirnov
1d0feb5d1a mpegvideo: split ff_draw_horiz_band(). 
Split out dependency on MpegEncContext.
 2013-02-15 16:10:19 +01:00
Anton Khirnov
54974c6298 error_resilience: decouple ER from MpegEncContext 2013-02-15 16:10:11 +01:00
Mans Rullgard
15616eb042 intrax8: move functions from dsputil to own context 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-09-02 16:32:57 +01:00
Mans Rullgard
2bcbd98459 Remove lowres video decoding 
This feature is complex, of questionable utility, and slows down
normal decoding.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-04-21 18:56:19 +01:00
Martin Storsjö
5f2c159c0f vc1: Add ff_ prefix to nonstatic symbols 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-02-15 22:07:05 +02:00
Martin Storsjö
1fec055066 msmpeg4: Add ff_ prefixes to nonstatic symbols 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-02-15 22:07:01 +02:00
Luca Barbato
63ccd46687 lavc: introduce ER_MB_END and ER_MB_ERROR 
Simplify a little error resilience calls

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2011-12-13 16:20:58 +01:00
Luca Barbato
5bf2ac2b37 error_resilience: use the ER_ namespace 
Add the namespace to {AC_,DC_,MV_}{END,ERROR} macros

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2011-12-13 16:20:58 +01:00
Diego Biurrun
657ccb5ac7 Eliminate FF_COMMON_FRAME macro. 
FF_COMMON_FRAME holds the contents of the AVFrame structure and is also copied
to struct Picture.  Replace by an embedded AVFrame structure in struct Picture.
 2011-07-11 00:19:00 +02:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 13:33:20 +00:00
Diego Biurrun
ba87f0801d Remove explicit filename from Doxygen @file commands. 
Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-04-20 14:45:34 +00:00
Reimar Döffinger
2f9bbdd25c Change VLC table creation in x8_vlc_init to use INIT_VLC_USE_NEW_STATIC. 
Originally committed as revision 20011 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-24 11:04:46 +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
Michael Niedermayer
1b923aa44a Two INIT_VLC_USE_STATIC cases Carl missed. 
Originally committed as revision 18438 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-11 14:16:30 +00:00
Carl Eugen Hoyos
e161e007be Use INIT_VLC_USE_STATIC and not its value "1". 
Originally committed as revision 18430 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-11 11:47:15 +00:00
Alex Converse
5363c43ea8 Add av_cold attributes to *_init and *_end functions. 
Originally committed as revision 16980 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-02-03 23:09:00 +00:00