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* avcodec/codec_internal: Use union for FFCodec decode/encode callbacksAndreas Rheinhardt2022-04-05
| | | | | | | | | | | This is possible, because every given FFCodec has to implement exactly one of these. Doing so decreases sizeof(FFCodec) and therefore decreases the size of the binary. Notice that in case of position-independent code the decrease is in .data.rel.ro, so that this translates to decreased memory consumption. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avcodec/codec_internal: Make FFCodec.decode use AVFrame*Andreas Rheinhardt2022-04-05
| | | | | | | | This increases type-safety by avoiding conversions from/through void*. It also avoids the boilerplate "AVFrame *frame = data;" line for non-subtitle decoders. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avcodec/codec_internal: Add FFCodec, hide internal part of AVCodecAndreas Rheinhardt2022-03-21
| | | | | | | | | | | | | | | | Up until now, codec.h contains both public and private parts of AVCodec. This exposes the internals of AVCodec to users and leads them into the temptation of actually using them and forces us to forward-declare structures and types that users can't use at all. This commit changes this by adding a new structure FFCodec to codec_internal.h that extends AVCodec, i.e. contains the public AVCodec as first member; the private fields of AVCodec are moved to this structure, leaving codec.h clean. Reviewed-by: Anton Khirnov <anton@khirnov.net> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avcodec/internal: Move FF_CODEC_CAP_* to a new header codec_internal.hAndreas Rheinhardt2022-03-21
| | | | | | | | | | Also move FF_CODEC_TAGS_END as well as struct AVCodecDefault. This reduces the amount of files that have to include internal.h (which comes with quite a lot of indirect inclusions), as e.g. most encoders don't need it. It is furthemore in preparation for moving the private part of AVCodec out of the public codec.h. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avcodec/4xm: Cleanup generically on init failureAndreas Rheinhardt2022-02-11
| | | | Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avcodec/4xm: Make decoder init-threadsafeAndreas Rheinhardt2021-05-02
| | | | Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avcodec: Constify AVCodecsAndreas Rheinhardt2021-04-27
| | | | | | | | | | Given that the AVCodec.next pointer has now been removed, most of the AVCodecs are not modified at all any more and can therefore be made const (as this patch does); the only exceptions are the very few codecs for external libraries that have a init_static_data callback. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
* avcodec/4xm: Check pre_gb in decode_i_block()Michael Niedermayer2021-03-11
| | | | | | | | Fixes: Timeout Fixes: 31257/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5150866229297152 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bumpAnton Khirnov2021-01-01
| | | | They are not properly namespaced and not intended for public use.
* avcodec/4xm: Check index in decode_i_block() also in the path where its not ↵Michael Niedermayer2019-09-26
| | | | | | | | | | | | | | used. Fixes: Infinite loop Fixes: signed integer overflow: 2147483644 + 16 cannot be represented in type 'int' Fixes: 16169/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5662570416963584 Fixes: 16782/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5743163859271680 Fixes: 17641/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5711603562971136 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/4xm: Check for end of input in decode_p_block()Michael Niedermayer2019-08-13
| | | | | | | | | Fixes: Timeout (81sec -> 0.2sec) Fixes: 16169/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5662570416963584 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/4xm: Fix signed integer overflows in idct()Michael Niedermayer2019-07-08
| | | | | | | | Fixes: signed integer overflow: 20242 * 121095 cannot be represented in type 'int' Fixes: 15310/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5737051745419264 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/4xm: Fix vlc memleakMichael Niedermayer2019-06-26
| | | | | | | | Fixes: memleak Fixes: 15297/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5746203548975104 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/4xm: Fix returned error codesMichael Niedermayer2019-01-01
| | | | | Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/4xm: fix block alignmentRamiro Polla2018-12-26
| | | | | | blockdsp requires 32 byte alignment. Signed-off-by: James Almer <jamrial@gmail.com>
* doc: fix spelling errorsAndreas Cadhalpun2016-10-29
| | | | | Reviewed-by: Lou Logan <lou@lrcd.com> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
* Merge commit '059a934806d61f7af9ab3fd9f74994b838ea5eba'Michael Niedermayer2015-07-27
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '059a934806d61f7af9ab3fd9f74994b838ea5eba': lavc: Consistently prefix input buffer defines Conflicts: doc/examples/decoding_encoding.c libavcodec/4xm.c libavcodec/aac_adtstoasc_bsf.c libavcodec/aacdec.c libavcodec/aacenc.c libavcodec/ac3dec.h libavcodec/asvenc.c libavcodec/avcodec.h libavcodec/avpacket.c libavcodec/dvdec.c libavcodec/ffv1enc.c libavcodec/g2meet.c libavcodec/gif.c libavcodec/h264.c libavcodec/h264_mp4toannexb_bsf.c libavcodec/huffyuvdec.c libavcodec/huffyuvenc.c libavcodec/jpeglsenc.c libavcodec/libxvid.c libavcodec/mdec.c libavcodec/motionpixels.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo.c libavcodec/noise_bsf.c libavcodec/nuv.c libavcodec/nvenc.c libavcodec/options.c libavcodec/parser.c libavcodec/pngenc.c libavcodec/proresenc_kostya.c libavcodec/qsvdec.c libavcodec/svq1enc.c libavcodec/tiffenc.c libavcodec/truemotion2.c libavcodec/utils.c libavcodec/utvideoenc.c libavcodec/vc1dec.c libavcodec/wmalosslessdec.c libavformat/adxdec.c libavformat/aiffdec.c libavformat/apc.c libavformat/apetag.c libavformat/avidec.c libavformat/bink.c libavformat/cafdec.c libavformat/flvdec.c libavformat/id3v2.c libavformat/isom.c libavformat/matroskadec.c libavformat/mov.c libavformat/mpc.c libavformat/mpc8.c libavformat/mpegts.c libavformat/mvi.c libavformat/mxfdec.c libavformat/mxg.c libavformat/nutdec.c libavformat/oggdec.c libavformat/oggparsecelt.c libavformat/oggparseflac.c libavformat/oggparseopus.c libavformat/oggparsespeex.c libavformat/omadec.c libavformat/rawdec.c libavformat/riffdec.c libavformat/rl2.c libavformat/rmdec.c libavformat/rtpdec_latm.c libavformat/rtpdec_mpeg4.c libavformat/rtpdec_qdm2.c libavformat/rtpdec_svq3.c libavformat/sierravmd.c libavformat/smacker.c libavformat/smush.c libavformat/spdifenc.c libavformat/takdec.c libavformat/tta.c libavformat/utils.c libavformat/vqf.c libavformat/westwood_vqa.c libavformat/xmv.c libavformat/xwma.c libavformat/yop.c Merged-by: Michael Niedermayer <michael@niedermayer.cc>
| * lavc: Consistently prefix input buffer definesVittorio Giovara2015-07-27
| | | | | | | | Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* | Merge commit 'def97856de6021965db86c25a732d78689bd6bb0'Michael Niedermayer2015-07-27
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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>
| * lavc: AV-prefix all codec capabilitiesVittorio Giovara2015-07-27
| | | | | | | | | | | | Express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* | Merge commit '7c6eb0a1b7bf1aac7f033a7ec6d8cacc3b5c2615'Michael Niedermayer2015-07-27
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '7c6eb0a1b7bf1aac7f033a7ec6d8cacc3b5c2615': lavc: AV-prefix all codec flags Conflicts: doc/examples/muxing.c ffmpeg.c ffmpeg_opt.c ffplay.c libavcodec/aacdec.c libavcodec/aacenc.c libavcodec/ac3dec.c libavcodec/ac3enc_float.c libavcodec/atrac1.c libavcodec/atrac3.c libavcodec/atrac3plusdec.c libavcodec/dcadec.c libavcodec/ffv1enc.c libavcodec/h264.c libavcodec/h264_loopfilter.c libavcodec/h264_mb.c libavcodec/imc.c libavcodec/libmp3lame.c libavcodec/libtheoraenc.c libavcodec/libtwolame.c libavcodec/libvpxenc.c libavcodec/libxavs.c libavcodec/libxvid.c libavcodec/mpeg12dec.c libavcodec/mpeg12enc.c libavcodec/mpegaudiodec_template.c libavcodec/mpegvideo.c libavcodec/mpegvideo_enc.c libavcodec/mpegvideo_motion.c libavcodec/nellymoserdec.c libavcodec/nellymoserenc.c libavcodec/nvenc.c libavcodec/on2avc.c libavcodec/options_table.h libavcodec/opus_celt.c libavcodec/pngenc.c libavcodec/ra288.c libavcodec/ratecontrol.c libavcodec/twinvq.c libavcodec/vc1_block.c libavcodec/vc1_loopfilter.c libavcodec/vc1_mc.c libavcodec/vc1dec.c libavcodec/vorbisdec.c libavcodec/vp3.c libavcodec/wma.c libavcodec/wmaprodec.c libavcodec/x86/hpeldsp_init.c libavcodec/x86/me_cmp_init.c Merged-by: Michael Niedermayer <michael@niedermayer.cc>
| * lavc: AV-prefix all codec flagsVittorio Giovara2015-07-27
| | | | | | | | | | | | Convert doxygen to multiline and express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* | avcodec/4xm: remove duplicate assertMichael Niedermayer2014-11-13
| | | | | | | | | | Found-by: carl Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Merge commit '68a35473ed423a14731c418939fba7913647979a'Michael Niedermayer2014-11-13
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '68a35473ed423a14731c418939fba7913647979a': 4xm: more thorought check for negative index and negative shift Conflicts: libavcodec/4xm.c Mostly not merged, the added checks, check for impossible conditions for paranoias sake they are replaced by asserts but thats probably overkill the vlc table does not contain out of range values or holes, nor does it permit the log2 values to become negative. Whenever a log2 value reaches 0 the selected table no longer contains an entry to trigger the case that would decrease it further Adding such impossible checks would confuse the reader Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * 4xm: more thorought check for negative index and negative shiftVittorio Giovara2014-11-13
| | | | | | | | | | CC: libav-stable@libav.org Bug-Id: CID 1087094
| * 4xm: drop unnecessary checkVittorio Giovara2014-11-11
| | | | | | | | | | | | | | data_size is always >= 0 in this case. CC: libav-stable@libav.org Bug-Id: CID 1238788
* | avcodec/4xm: Make src of decode_p_block() constMichael Niedermayer2014-09-22
| | | | | | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Merge commit 'c67b449bebbe0b35c73b203683e77a0a649bc765'Michael Niedermayer2014-06-23
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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>
| * dsputil: Split bswap*_buf() off into a separate contextDiego Biurrun2014-06-22
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* | Merge commit 'e74433a8e6fc00c8dbde293c97a3e45384c2c1d9'Michael Niedermayer2014-06-19
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'e74433a8e6fc00c8dbde293c97a3e45384c2c1d9': dsputil: Split clear_block*/fill_block* off into a separate context Conflicts: configure libavcodec/asvdec.c libavcodec/dnxhddec.c libavcodec/dnxhdenc.c libavcodec/dsputil.h libavcodec/eamad.c libavcodec/intrax8.c libavcodec/mjpegdec.c libavcodec/ppc/dsputil_ppc.c libavcodec/vc1dec.c libavcodec/x86/dsputil_init.c libavcodec/x86/dsputil_mmx.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * dsputil: Split clear_block*/fill_block* off into a separate contextDiego Biurrun2014-06-18
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* | Merge commit 'cc8163e1a3601a56f722a4720516e860bf1c6198'Michael Niedermayer2014-03-22
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'cc8163e1a3601a56f722a4720516e860bf1c6198': avcodec: more correct printf specifiers Conflicts: libavcodec/4xm.c libavcodec/alsdec.c libavcodec/dfa.c libavcodec/h264_ps.c libavcodec/jpeg2000dec.c libavcodec/lagarith.c libavcodec/mpeg12dec.c libavcodec/rv10.c libavcodec/svq3.c libavcodec/wmaprodec.c libavcodec/xwddec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * avcodec: more correct printf specifiersDiego Biurrun2014-03-22
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* | Merge commit 'fe80fa53bc4977ef6e8e749a9df8ca5590a09307'Michael Niedermayer2014-01-06
|\| | | | | | | | | | | | | | | | | | | * commit 'fe80fa53bc4977ef6e8e749a9df8ca5590a09307': 4xm: replace forcing EMU_EDGE by a copy Conflicts: libavcodec/4xm.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * 4xm: replace forcing EMU_EDGE by a copyAnton Khirnov2014-01-06
| | | | | | | | | | | | | | | | | | | | | | The decoder currently sets CODEC_FLAG_EMU_EDGE and relies on get_buffer2() to always provide buffers with linesize == 2 * width. This is wrong, since we place no such restriction on get_buffer2() implementations. Fix this by decoding into internal buffers and copying them to output frames. Since this is a very obscure decoder, the performance hit should not be an issue.
| * 4xm: return a proper error code.Anton Khirnov2014-01-06
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* | avcodec/4xm: use av_fast_padded_malloc()Paul B Mahol2013-10-30
| | | | | | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* | Merge commit 'b2bed9325dbd6be0da1d91ffed3f513c40274fd2'Michael Niedermayer2013-10-04
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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>
| * cosmetics: Group .name and .long_name together in codec/format declarationsDiego Biurrun2013-10-03
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* | Merge commit '2f034f255c49050e894ab9b88087c09ebe249f3f'Michael Niedermayer2013-07-24
|\| | | | | | | | | | | | | | | | | | | * commit '2f034f255c49050e894ab9b88087c09ebe249f3f': 4xm: Reject not a multiple of 16 dimension The newly added checks are redundant and thus replaced by asserts See: db5b4875514eb7740844f514dbf236c9179a6a93 Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * 4xm: Reject not a multiple of 16 dimensionLuca Barbato2013-07-23
| | | | | | | | | | Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org
* | 4xm: Dont ignore dc run errorsMichael Niedermayer2013-06-30
| | | | | | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | 4xm: check for invalid zero ac coeffsMichael Niedermayer2013-06-30
| | | | | | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2013-06-13
|\| | | | | | | | | | | | | | | | | | | | | | | * qatar/master: 4xm: check bitstream_size boundary before using it Conflicts: libavcodec/4xm.c See: 9c661e95 Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * 4xm: check bitstream_size boundary before using itLuca Barbato2013-06-12
| | | | | | | | | | | | | | Prevent buffer overread. Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org
* | Merge commit 'fbd0dacc8d61ab418b3fa8e7be22017558323e56'Michael Niedermayer2013-06-13
|\| | | | | | | | | | | | | | | | | | | * commit 'fbd0dacc8d61ab418b3fa8e7be22017558323e56': 4xm: refactor decode_p_block Conflicts: libavcodec/4xm.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * 4xm: refactor decode_p_blockLuca Barbato2013-06-12
| | | | | | | | | | | | Directly return from code 1, 2 and 6 codepaths and simplify the remaining one to have a single overflow check and a single call to mcdc.
* | Merge commit '94aefb1932be882fd93f66cf790ceb19ff575c19'Michael Niedermayer2013-06-13
|\| | | | | | | | | | | | | | | | | | | | | | | | | * commit '94aefb1932be882fd93f66cf790ceb19ff575c19': 4xm: do not overread the source buffer in decode_p_block Conflicts: libavcodec/4xm.c The checks are replaced by av_assert0() as the conditions should be impossible. If these asserts fail, there is a bug elsewhere Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * 4xm: do not overread the source buffer in decode_p_blockLuca Barbato2013-06-12
| | | | | | | | | | | | | | Check for out of picture macroblocks before calling mcdc. Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org
* | Merge commit 'be373cb50d3c411366fec7eef2eb3681abe48f96'Michael Niedermayer2013-06-13
|\| | | | | | | | | | | | | | | | | | | | | * commit 'be373cb50d3c411366fec7eef2eb3681abe48f96': 4xm: do not overread the prestream buffer Conflicts: libavcodec/4xm.c See: 9c661e95 Merged-by: Michael Niedermayer <michaelni@gmx.at>
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