Clément Bœsch
b46f19100b
cosmetics: group remaining .name and .long_name.
...
See b2bed9325
.
11 years ago
Diego Biurrun
b2bed9325d
cosmetics: Group .name and .long_name together in codec/format declarations
11 years ago
Ronald S. Bultje
face578d56
Rewrite emu_edge functions to have separate src/dst_stride arguments.
...
This allows supporting files for which the image stride is smaller than
the max. block size + number of subpel mc taps, e.g. a 64x64 VP9 file
or a 16x16 VP8 file with -fflags +emu_edge.
11 years ago
Michael Niedermayer
356031348c
avcodec/vc1dec: fix propagating error codes from various functions
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
a51f3b53fe
avcodec/vc1dec: Fix return code on malloc() failure from ff_vc1_decode_init_alloc_tables()
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Martin Storsjö
23d6ba2c44
vc1dec: Check the error handling flags on slice/field header decode errors
...
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Michael Niedermayer
bb7bf17595
vc1dec: Don't decode slices when the latest slice header failed to decode
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Martin Storsjö
5e25fdbfe0
vc1dec: Make sure last_picture is initialized in vc1_decode_skip_blocks
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Martin Storsjö
b772b0e28e
vc1dec: Undo mpegvideo initialization if unable to allocate tables
...
Previously, s->context_initialized was left set to 1
if ff_vc1_decode_init_alloc_tables failed, skipping the
initialization completely on the next decode call.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Martin Storsjö
ede508443e
vc1dec: Fix leaks in ff_vc1_decode_init_alloc_tables on errors
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Michael Niedermayer
a0c6c8e53e
Revert "Merge commit of 'vdpau: remove old-style decoders'"
...
This reverts commit bf36dc50ea
, reversing
changes made to b7fc2693c7
.
Conflicts:
libavcodec/h264.c
Keeping support for the old VDPAU API has been requested by our VDPAU maintainer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Luca Barbato
43bacd5b7d
vc1: check mb_height validity.
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
090cd06311
vc1: check the source buffer in vc1_mc functions
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Rémi Denis-Courmont
578ea75a9e
vdpau: remove old-style decoders
...
Signed-off-by: Anton Khirnov <anton@khirnov.net>
12 years ago
Carl Eugen Hoyos
ac83d62136
Avoid a null pointer dereference on oom when decoding vc1.
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Fixes ticket #2723 .
12 years ago
Michael Niedermayer
6c4516d041
avcodec/vc1dec: Check source picture availability in vc1_mc_4mv_chroma4()
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Fixes null pointer dereference
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
fca435fee1
vc1dec: Disable dead code
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Fixes CID732197/6
A assert is added to check that the disabled code wont
be needed in the future.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
d8b9dbe776
vc1dec: Fix mixed field/frame intensity compensation
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
17410faa22
vc1dec: Match addressing between compensation and MC in vc1_mc_4mv_chroma4
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
1be175f929
vc1dec: Handle top and bottom blocks in vc1_mc_4mv_chroma4() differently if needed
...
Now it can use different references for those blocks and even use
averaging.
This fixes several chroma artifacts in several videos.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
c69765a2cc
vc1dec: Fix doxy for vc1_mc_4mv_chroma4()
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
b412f705b5
vc1dec: Drop old use_ic code from vc1_b_mc
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Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
5053a9a1ff
vc1: Use shuffled use_ic instead of equally shuffled mv_mode
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
3ced06f283
vc1dec: Implement intensity compensation for vc1_interp_mc()
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
28243b0d35
vc1dec: Redesign the intensity compensation
...
Use the intensity-compensated reference frame for subsequent
fields/B-frames.
Since we currently don't change the reference frame we have to
maintain lookup tables for intensity compensation in the following
dependent frames.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
93b1281264
vc1dec: Shuffle field MVs after decoding, not before
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This simplifies the code since copying MVs to the reference is not needed
anymore (and maybe something about fixing artifacts).
Also remove the unused mv_f_last.
Fixes a small number of artifacts in black_screen_VC-1.mkv
and several more artifacts in other videos.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
ebe8c7fe52
vc1dec: restructure interpmvp code
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This fixes a valgrind warning about use of uninitialized stuff
(no actual such use occurs though)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Sebastian Sandberg
1fb013a57c
vc1dec: Add support for interlaced B-frames
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Clément Bœsch
6c5bd7d785
lavc/vc1dec: fix a few "may be used uninitialized" warnings.
12 years ago
Michael Niedermayer
f4cc38e339
vc1dec: silence "may be used uninitialized in this function" warning from gcc
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Martin Storsjö
3ca3709ad4
vc1dec: Remove some now unused variables
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Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
4162fc62b3
vc1dec: Do not allow field_mode to change after the first header
...
This fixes out of array accesses.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Martin Storsjö
ec7d002e55
vc1, mss2: Check for any negative return value from ff_vc1_parse_frame_header
...
This is required if we return other error codes than explicitly
-1, which so far has been the only other possible return value
besides 0.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
ccb148e478
vc1dec: Fix current ptr selection in vc1_mc_4mv_chroma()
...
No sample tried shows a difference.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
201412ffec
vc1dec: Factorize picture pointer selection in vc1_mc_4mv_chroma()
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
2412ad1717
vc1dec: Factorize picture pointer selection code
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
19673db34a
vc1dec: Factorize srcU/V offseting
...
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
012b319d91
vc1dec: Fix tff == 0 handling in init_block_index()
...
This fixes several files from VLC ticket 5887.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
0313653928
vc1dec: Update destination pointers in context for fields
...
This replaces a large number of checks for the second field by
fixing the pointers when they are setup.
This should also fix I/BI field pictures.
Changes checksums for vc1_sa10143, the file becomes slightly closer
to what the reference decoder outputs.
Based on "vc1dec: the second field is written wrong to the picture"
by Sebastian Sandberg <sebastiand.sandberg@gmail.com>.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Martin Storsjö
5d9d8461fb
vc1dec: Don't apply the loop filter on fields
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Fixes read of uninitialized memory.
Based on a patch by Michael Niedermayer.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
46430fd47c
vc1dec: Don't attempt error concealment on field pictures
...
This is not implemented and doesn't work.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Sebastian Sandberg
1bd57a850a
vc1dec: fieldtx is only valid for interlaced frame pictures
...
The fieldtx_plane is not cleared for interlaced fields.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Carl Eugen Hoyos
905e1e4b52
Cosmetics: Fix indentation and add braces after last commit.
12 years ago
Carl Eugen Hoyos
8b8fa09b65
vc1dec: Call ff_vdpau_vc1_decode_picture() once for each field.
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Fixes mplayer -vc ffvc1vdpau for interlaced streams.
12 years ago
Michael Niedermayer
d29f9f4a0e
vc1dec: fix lutuv use in vc1_mc_4mv_chroma4()
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
7e30bfcb91
vc1dec: Fix mixed field/frame intensity compensation
...
Fixes Ticket2523
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
90c2e40ebb
vc1dec: vc1_mc_4mv_chroma4: match addressing between compensation and MC
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
688fc4ac56
vc1dec: Try to fix vc1_mc_4mv_chroma4() parameters
...
This fixes several chroma artifacts in several videos
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
9b49d3974e
vc1dec: add avg & variable direction support to vc1_mc_4mv_chroma4()
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
5183365aeb
vc1dec: fix doxy for vc1_mc_4mv_chroma4()
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago