| Age | Commit message (Collapse) | Author |
|---|
|
They serve no useful purpose and wreak all kind of havoc when h264.h is
included elsewhere.
|
|
|
|
The sh4 optimizations are removed, because the code is
100% identical to the C code, so it is unlikely to
provide any real practical benefit.
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
|
|
It does not help as an abstraction and adds dsputil dependencies.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
|
|
ref_list is constructed from other fields per slice when needed, so do
not copy it for both frame and slice threading.
default_ref_list is constructed per frame and still needs to be copied
to per-slice contexts for slice threading, but a copy is not needed for
frame threading.
|
|
It's been returning an error value since
bad446e251405dc250c3cbee199072e083a1e4b9
Also check for the errors it returns.
|
|
Clobbering these tables will temporarily clobber the template used
as a basis for other threads to start decoding from. If the other
decoding thread updates from the template right at that moment,
subsequent threads will get invalid (or, usually, none at all) mmco
tables. This leads to invalid reference lists and subsequent decode
failures.
Therefore, instead, decode the mmco tables only for the first slice in
a field or frame. For other slices, decode the bits and ensure they
are identical to the mmco tables in the first slice, but don't ever
clobber the context state. This prevents other threads from using a
clobbered/invalid template as starting point for decoding, and thus
fixes decoding in these cases.
This fixes occasional (~1%) failures of h264-conformance-mr1_bt_a with
frame-multithreading enabled.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
|
|
Fixes CVE-2012-2782.
|
|
Compute dist_scale_factor_field only for MBAFF since that is the only
case in which it is used.
|
|
It is not posible to call get_buffer during frame-mt codec
initialization. Libavformat might pass huge amounts of data as
extradata after parsing broken files. The 'extradata' for the fuzzed
sample sample_varPAR_s5374_r001-02.avi is 2.8M large and contains
multiple slices.
|
|
This requires to move the avcodec_default_free_buffers() call to
ff_MPV_common_end() since otherwise delayed pictures would get freed
during a size change.
|
|
Fixes a crash in the fuzzed sample sample_varPAR.avi_s26638 with
alternating bit depths.
|
|
Reusing MpegEncContext's obmc_scratchpad for this becomes a mess with
adaptive frame-mt.
|
|
|
|
|
|
Also drop the now unnecessary ff_ prefix from its name.
|
|
Conversion of the luma intra prediction mode to one of the constrained
("alzheimer") ones can happen by crafting special bitstreams, causing
a crash because we'll call a NULL function pointer for 16x16 block intra
prediction, since constrained intra prediction functions are only
implemented for chroma (8x8 blocks).
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
|
|
This reverts commit 87eebb3454ff0cd6af6ebf9e1d31bdfd1c3b601b.
|
|
Start code emulation prevention is only required in Annex B bytestream
packed NAL units. For other coding formats the size is already known.
Looking for a start code prefix can result in false positives like in
http://streams.videolan.org/streams/mp4/Mr_MrsSmith-h264_aac.mp4
which has a false positive in the SPS.
|
|
Add the namespace to {AC_,DC_,MV_}{END,ERROR} macros
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
|
|
|
|
Fixes fate-h264-conformance-{mr2_tandberg_e,mr3_tandberg_b} without
requiring -strict 1.
|
|
Fixes the following conformance suite samples:
HCBP1_HHI_A.264, HCBP2_HHI_A.264, HCMP1_HHI_A.264 (main)
HCHP1_HHI_B.264, HCHP2_HHI_A.264, HCHP3_HHI_A.264 (frext)
|
|
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
|
|
This fixes a bunch of unused function warnings.
|
|
This resolves a circular dependency between the headers.
|
|
Fixes the following compile error with darwin/gcc-4.2.1:
In file included from libavcodec/error_resilience.c:33:
libavcodec/h264.h: In function ‘decode_mb_skip’:
libavcodec/h264.h:773: error: ‘always_inline’ function could not be inlined in call to ‘pred_pskip_motion’: the function body must appear before caller
libavcodec/h264.h:1334: error: called from here
|
|
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.
|
|
|
|
Inline the relevant parts of fill_decode_caches into P-SKIP mv prediction to
avoid calling the whole thing.
|
|
These weren't getting inlined all the time in all gcc versions.
|
|
Faster H.264 decoding with ALLOW_INTERLACE off.
|
|
Aliasing avoidance and general cleanup.
|
|
Avoid aliasing, unroll loops, and inline more functions.
|
|
Before this, almost all module groups have been used for grouping functions
and fields in structures semantically. This causes them to not appear
properly in the file documentation and needlessly clutters up the "Modules"
index.
Additionally, this commit streamlines some spelling and appearances.
|
|
Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
|
|
Needs some ARM/PPC asm modifications.
|
|
Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
|
|
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
|
|
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
|
|
In high bit depth, the QP values may now be up to (51 + 6*(bit_depth-8)).
Preparatory patch for high bit depth h264 decoding support.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
|
|
In high bit depth the pixels will not be stored in uint8_t like in the
normal case, but in uint16_t. The pixel size is thus 1 in normal bit
depth and 2 in high bit depth.
Preparatory patch for high bit depth h264 decoding support.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
|
|
Signed-off-by: Diego Biurrun <diego@biurrun.de>
|
|
|
|
Signed-off-by: Mans Rullgard <mans@mansr.com>
|
|
|
|
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
|
|
|
|
No speed improvement, but necessary for some future stuff.
Also opens up the possibility of asm chroma dc idct/dequant.
Originally committed as revision 26349 to svn://svn.ffmpeg.org/ffmpeg/trunk
|
|
Useful so that we don't have to run the hierarchical DC iDCT if there aren't
any coefficients. Opens up some future opportunities for optimization as well.
Originally committed as revision 26337 to svn://svn.ffmpeg.org/ffmpeg/trunk
|
