| Commit message (Collapse) | Author | Age |
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PSEUDOPAL pixel formats are not paletted, but carried a palette with the
intention of allowing code to treat unpaletted formats as paletted. The
palette simply mapped the byte values to the resulting RGB values,
making it some sort of LUT for RGB conversion.
It was used for 1 byte formats only: RGB4_BYTE, BGR4_BYTE, RGB8, BGR8,
GRAY8. The first 4 are awfully obscure, used only by some ancient bitmap
formats. The last one, GRAY8, is more common, but its treatment is
grossly incorrect. It considers full range GRAY8 only, so GRAY8 coming
from typical Y video planes was not mapped to the correct RGB values.
This cannot be fixed, because AVFrame.color_range can be freely changed
at runtime, and there is nothing to ensure the pseudo palette is
updated.
Also, nothing actually used the PSEUDOPAL palette data, except xwdenc
(trivially changed in the previous commit). All other code had to treat
it as a special case, just to ignore or to propagate palette data.
In conclusion, this was just a very strange old mechnaism that has no
real justification to exist anymore (although it may have been nice and
useful in the past). Now it's an artifact that makes the API harder to
use: API users who allocate their own pixel data have to be aware that
they need to allocate the palette, or FFmpeg will crash on them in
_some_ situations. On top of this, there was no API to allocate the
pseuo palette outside of av_frame_get_buffer().
This patch not only deprecates AV_PIX_FMT_FLAG_PSEUDOPAL, but also makes
the pseudo palette optional. Nothing accesses it anymore, though if it's
set, it's propagated. It's still allocated and initialized for
compatibility with API users that rely on this feature. But new API
users do not need to allocate it. This was an explicit goal of this
patch.
Most changes replace AV_PIX_FMT_FLAG_PSEUDOPAL with FF_PSEUDOPAL. I
first tried #ifdefing all code, but it was a mess. The FF_PSEUDOPAL
macro reduces the mess, and still allows defining FF_API_PSEUDOPAL to 0.
Passes FATE with FF_API_PSEUDOPAL enabled and disabled. In addition,
FATE passes with FF_API_PSEUDOPAL set to 1, but with allocation
functions manually changed to not allocating a palette.
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Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
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* commit '549d0bdca53af7a6e0c612ab4b03baecf3a5878f':
decode: be more explicit about storing the last packet properties
Also copy pkt->size in extract_packet_props(), as it's needed for
AVFrame.pkt_size
Merged-by: James Almer <jamrial@gmail.com>
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Fixes valgrind warnings about usage of uninitialized values.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
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Fixes out of array read
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes assertion failure
Fixes: 9eb9cf5b8c26dd0fa7107ed0348dcc1f/signal_sigabrt_7ffff6ae7c37_8926_4609a5c3f071d555d2d557625f9687b1.swf
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Decoder based on a patch by v0lt, v0lt rambler ru
Fixes ticket #5657.
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Fixes out of array access
Fixes: poc.swf
Found-by: 连一汉 <lianyihan@360.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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bits_per_coded_sample == 1
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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The line alignment for 1 bpp raw AV_PIX_FMT_MONOWHITE video (currently
used for AVI) was previously 4 bytes, which generated alignment warning
messages, not only for odd-width files. The alignment is now 16 bytes.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Avoids potential division by 0
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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This patch aligns the lines of 1 bpp depth for QuickTime, and 2, 4 and 8
bpp depths for AVI and QuickTime, on 16-byte boundaries. At the same
time, the packet row stride is properly catered for.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Match the use of AV_PIX_FMT_PAL8 for 1-bit QuickTime Animation in
lavc/qtrle. To reiterate, 1-bit video is not necessary black & white in
QuickTime, merely bi-level. The two colors can be any color. The palette,
either included in the sample description, or the default Macintosh
palette (black & white for 1-bit video) will be set in lavf/qtpalette.
See the QuickTime File Format Specification for details.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Otherwise the too small buffer is directly used in the frame, causing
segmentation faults, when trying to use the frame.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
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* commit 'ef3a3519c10620c4206738595bf03fc0bed71802':
rawdec: Replace avpicture functions with imgutils
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
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Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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* commit 'def97856de6021965db86c25a732d78689bd6bb0':
lavc: AV-prefix all codec capabilities
Conflicts:
cmdutils.c
ffmpeg.c
ffplay.c
libavcodec/8svx.c
libavcodec/aacenc.c
libavcodec/ac3dec.c
libavcodec/adpcm.c
libavcodec/alac.c
libavcodec/atrac3plusdec.c
libavcodec/bink.c
libavcodec/dnxhddec.c
libavcodec/dvdec.c
libavcodec/dvenc.c
libavcodec/ffv1dec.c
libavcodec/ffv1enc.c
libavcodec/fic.c
libavcodec/flacdec.c
libavcodec/flacenc.c
libavcodec/flvdec.c
libavcodec/fraps.c
libavcodec/frwu.c
libavcodec/gifdec.c
libavcodec/h261dec.c
libavcodec/hevc.c
libavcodec/iff.c
libavcodec/imc.c
libavcodec/libopenjpegdec.c
libavcodec/libvo-aacenc.c
libavcodec/libvorbisenc.c
libavcodec/libvpxdec.c
libavcodec/libvpxenc.c
libavcodec/libx264.c
libavcodec/mjpegbdec.c
libavcodec/mjpegdec.c
libavcodec/mpegaudiodec_float.c
libavcodec/msmpeg4dec.c
libavcodec/mxpegdec.c
libavcodec/nvenc_h264.c
libavcodec/nvenc_hevc.c
libavcodec/pngdec.c
libavcodec/qpeg.c
libavcodec/ra288.c
libavcodec/rv10.c
libavcodec/s302m.c
libavcodec/sp5xdec.c
libavcodec/takdec.c
libavcodec/tiff.c
libavcodec/tta.c
libavcodec/utils.c
libavcodec/v210dec.c
libavcodec/vp6.c
libavcodec/vp9.c
libavcodec/wavpack.c
libavcodec/yop.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes out of array access
Fixes: asan_heap-oob_22388d0_3435_cov_3297128910_small_roll5_FlashCine1.cine
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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It's been dead code for more than a year
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'c67b449bebbe0b35c73b203683e77a0a649bc765':
dsputil: Split bswap*_buf() off into a separate context
Conflicts:
configure
libavcodec/4xm.c
libavcodec/ac3dec.c
libavcodec/ac3dec.h
libavcodec/apedec.c
libavcodec/eamad.c
libavcodec/flacenc.c
libavcodec/fraps.c
libavcodec/huffyuv.c
libavcodec/huffyuvdec.c
libavcodec/motionpixels.c
libavcodec/truemotion2.c
libavcodec/x86/Makefile
libavcodec/x86/dsputil_init.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Print an error if a combination of rawvideo and an unusual pix_fmt
that will be impossible to decode are written to avi or mov.
Fixes ticket #3545.
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The missing swscale feature was implemented in 2011.
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* commit 'b6a09ef700786b4e1e871dfa0f5c386ea43bbd0a':
rawvideo: Support decoding YVYU422 FourCC
See: ab7d6cb8f770c3b88a8139d1182fcc934062f891
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '4a0f6651434c6f213d830140f575b4ec7858519f':
libavcodec: when decoding, copy replaygain side data to decoded frames
Conflicts:
libavcodec/internal.h
libavcodec/rawdec.c
libavcodec/utils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes build with --disable-everything
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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bits_per_coded_sample < 16
The bit packing method is communicted via codec_tag:
BIT[0] big-endian packing
BIT[16] 16-bit little endian packing
BIT[32] 32-bit little-endian packing
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This reverts commit 691dec62011fe9993809fbc793126b40cac0c584.
The commit did not fix ticket #3215, it was fixed one commit earlier.
The revert may break other use-cases but they should be fixed differently,
the offending commit introduced too many problems.
Fixes ticket #3377.
Fixes ticket #3378.
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Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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< 16
Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This reverts 0de2157f / r12272.
Fixes ticket #3215.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'da6506c607eda585ba4b15430cf3c9a2ce09c3a9':
lavc: move AVCodecContext.pkt to AVCodecInternal
Conflicts:
libavcodec/internal.h
libavcodec/rawdec.c
libavcodec/utils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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It's a private field, not meant to be accessed from outside lavc.
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* commit 'b2bed9325dbd6be0da1d91ffed3f513c40274fd2':
cosmetics: Group .name and .long_name together in codec/format declarations
Conflicts:
libavcodec/8svx.c
libavcodec/alac.c
libavcodec/cljr.c
libavcodec/dnxhddec.c
libavcodec/dnxhdenc.c
libavcodec/dpxenc.c
libavcodec/dvdec.c
libavcodec/dvdsubdec.c
libavcodec/dvdsubenc.c
libavcodec/ffv1dec.c
libavcodec/flacdec.c
libavcodec/flvdec.c
libavcodec/fraps.c
libavcodec/frwu.c
libavcodec/g726.c
libavcodec/gif.c
libavcodec/gifdec.c
libavcodec/h261dec.c
libavcodec/h263dec.c
libavcodec/iff.c
libavcodec/imc.c
libavcodec/libopencore-amr.c
libavcodec/libopenjpegdec.c
libavcodec/libopenjpegenc.c
libavcodec/libspeexenc.c
libavcodec/libvo-amrwbenc.c
libavcodec/libvorbisenc.c
libavcodec/libvpxenc.c
libavcodec/libx264.c
libavcodec/libxavs.c
libavcodec/libxvid.c
libavcodec/ljpegenc.c
libavcodec/mjpegbdec.c
libavcodec/mjpegdec.c
libavcodec/mpeg12dec.c
libavcodec/mpeg4videodec.c
libavcodec/msmpeg4dec.c
libavcodec/pgssubdec.c
libavcodec/pngdec.c
libavcodec/pngenc.c
libavcodec/proresdec_lgpl.c
libavcodec/proresenc_kostya.c
libavcodec/ra144enc.c
libavcodec/rawdec.c
libavcodec/rv10.c
libavcodec/sp5xdec.c
libavcodec/takdec.c
libavcodec/tta.c
libavcodec/v210dec.c
libavcodec/vp6.c
libavcodec/wavpack.c
libavcodec/xbmenc.c
libavcodec/yop.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Restores carefully the old behaviour
(and does not break decoding avi samples).
Fixes Ticket2536
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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The aix header math.h defines "extern int class()" for C.
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Otherwise the created buffer can be smaller than buf_size, which results
in buffer overreads if the original image has extra padding on every line.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master:
pixdesc: rename PIX_FMT_* flags to AV_PIX_FMT_FLAG_*
Conflicts:
doc/APIchanges
libavcodec/avpicture.c
libavcodec/ffv1dec.c
libavcodec/ffv1enc.c
libavcodec/imgconvert.c
libavcodec/tiffenc.c
libavfilter/vf_pixdesctest.c
libavfilter/vf_scale.c
libavutil/imgutils.c
libavutil/pixdesc.c
libavutil/version.h
libswscale/swscale_internal.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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