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155 Commits

Author SHA1 Message Date
Michael Niedermayer
f1b97f62f8 avcodec/iff: Check that video_size is large enough for the read parameters 
video is allocated before parameters like bpp are read.

Fixes: out of array access
Fixes: 19084/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5718556033679360
Fixes: 19465/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5759908398235648

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-28 11:20:48 +01:00
Michael Niedermayer
185f441ba2 avcodec/iff: Skip overflowing runs in decode_delta_d() 
Fixes: Timeout (107sec - 75ms>
Fixes: 18812/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-6295585225441280

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-15 01:01:22 +01:00
Michael Niedermayer
a1f8b36cc4 avcodec/iff: Move index use after check in decodeplane8() 
Fixes: index 9 out of bounds for type 'const uint64_t [8][256]'
Fixes: 18409/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5767030560522240
Fixes: 18720/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5651995784642560

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-20 15:50:15 +01:00
Michael Niedermayer
32b3c8ce7d avcodec/iff: Check available space before entering loop in decode_long_vertical_delta2() / decode_long_vertical_delta() 
Fixes: Timeout (31sec -> 41ms)
Fixes: 18380/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5645210121404416

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-09 17:26:28 +01:00
Michael Niedermayer
dfa5d1a366 avcodec/iff: Check for overlap in cmap_read_palette() 
Fixes: undefined memcpy() use
Fixes: 16302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5678750575886336

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-09-05 19:45:53 +02:00
Andreas Rheinhardt
f12e662a3d libavcodec/iff: Use unsigned to avoid undefined behaviour 
The initialization of the uint32_t plane32_lut matrix uses left shifts
of the form 1 << plane; plane can be as big as 31 which means that this
is undefined behaviour as 1 will be simply an int. So make it unsigned
to avoid this.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-08-05 17:54:24 +02:00
Michael Niedermayer
84669b1872 avcodec/iff: Add "else" to make code look prettier 
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-07-14 22:17:43 +02:00
Michael Niedermayer
f76d7352e0 avcodec/iff: Check ham vs bpp 
This checks the ham value much stricter and avoids hitting cases which cannot be reached
with data from the libavformat demuxer.

Fixes: out of array access
Fixes: 15320/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5080476840099840
Fixes: 15423/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5630765833912320

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-07-08 09:00:21 +02:00
Michael Niedermayer
0f9789c8e3 avcodec/iff: finetune the palette size check in the mask case 
Fixes: out of array access
Fixes: 15381/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5668057826983936

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-23 10:51:16 +02:00
Michael Niedermayer
92e8db532c avcodec/iff: Fix mask_buf / mask_palbuf leak 
Fixes: 15372/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5708881759567872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-23 10:46:49 +02:00
Michael Niedermayer
9a6503f496 avcodec/iff: Cleanup on init failure 
Fixes: memleak
Fixes: 2272/clusterfuzz-testcase-minimized-5059103858622464

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-18 14:05:57 +02:00
Clément Bœsch
549045254c Fix all -Wformat warnings raised by DJGPP 2017-03-29 14:49:29 +02:00
Paul B Mahol
5979fb0b1e avcodec/iff: support for byterun1 ACBM compression 
This is apparently same as no compression.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-02-12 13:28:25 +01:00
Paul B Mahol
49633f9f74 avcodec/iff: add support for vertical word compression in ILBM 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2017-01-06 21:45:52 +01:00
Paul B Mahol
0ea03dbbf9 avcodec/iff: remove palette swapping for anim 
It appears it is wrong.
 2016-08-15 13:21:47 +02:00
Michael Niedermayer
a2550e7d2e avcodec/iff: Check that there are enough bytes in dgb before reading 
Fixes CID1361959

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-07-11 14:48:57 +02:00
Michael Niedermayer
9585c50942 avcodec/iff: remove useless () 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-07-11 14:44:27 +02:00
Michael Niedermayer
55ef890b29 avcodec/iff: Print error for cols/bpp/bytes being bad in decode_delta_j() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-07-06 11:20:41 +02:00
Michael Niedermayer
fcdbbbd85a avcodec/iff: decode_delta_j: Check that the number of bytes that will be read are available 
This should avoid long loops
related to CID1361958

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-07-06 11:19:41 +02:00
Clément Bœsch
9204a84998 Merge commit '5c31eaa9998b2185e0aa04d11adff128498dc14a' 
* commit '5c31eaa9998b2185e0aa04d11adff128498dc14a':
  Remove unnecessary get_bits.h #includes and add missing headers where needed.

Merged-by: Clément Bœsch <clement@stupeflix.com>
 2016-06-21 15:42:49 +02:00
Michael Niedermayer
c3ad63c6a3 avcodec/iff: Fix bytestream advance 
Fixes Ticket5585

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-06-12 20:26:32 +02:00
Piotr Bandurski
854c405dab avcodec/iff: mention RGB8/RGBN decoder 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-05-22 23:04:37 +02:00
Paul B Mahol
a5c5ae5ed8 avcodec/iff: add support for ANBR files 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-19 16:52:30 +02:00
Paul B Mahol
810a8ba5b6 avcodec/iff: add forgotten checks for end of input buffer 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-18 12:46:43 +02:00
Paul B Mahol
eef2f64294 avcodec/iff: scala anim32 & anim16 decompression 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-18 12:32:41 +02:00
Paul B Mahol
95b20ad7b2 avcodec/iff: fix artifacts with uncompressed ham ANIMs 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-17 11:02:44 +02:00
Paul B Mahol
72e33eec3a avcodec/iff: add support for ANIMs with keyframes and concatenated ANIMs 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-16 22:39:03 +02:00
Paul B Mahol
8767470fb5 avcodec/iff: check if there is enough bytes left 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-16 15:39:28 +02:00
Paul B Mahol
5350e0fc97 avcodec/iff: rewrite out of bounds checking in writer 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-15 16:35:47 +02:00
Paul B Mahol
51a1c1c6ac avcodec/iff: check for end of buffer in input for delta_l decompression 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-14 14:29:59 +02:00
Paul B Mahol
01ead2a639 avcodec/iff: implement 3rd delta ANIM decompression 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-13 23:28:19 +02:00
Paul B Mahol
17ea1cd559 avcodec/iff: change delta l offset to uint32_t 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-13 14:02:59 +02:00
Paul B Mahol
cb928fc448 lavc: add IFF ANIM decoder 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2016-05-13 00:24:48 +02:00
Alexandra Hájková
5c31eaa999 Remove unnecessary get_bits.h #includes and add missing headers where needed. 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2016-05-04 15:14:14 +02:00
Andreas Cadhalpun
ec0275843d avcodec: remove leftover iff_byterun1 decoder 
It was merged with the iff_ilbm decoder in commit
929a24efff.

Define AV_CODEC_ID_IFF_BYTERUN1 as AV_CODEC_ID_IFF_ILBM for API
compatibility.

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
 2015-10-12 00:21:13 +02:00
Michael Niedermayer
29d147c94d Merge commit '059a934806d61f7af9ab3fd9f74994b838ea5eba' 
* 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>
 2015-07-27 23:15:19 +02:00
Michael Niedermayer
444e9874a7 Merge commit 'def97856de6021965db86c25a732d78689bd6bb0' 
* 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>
 2015-07-27 22:50:18 +02:00
Vittorio Giovara
059a934806 lavc: Consistently prefix input buffer defines 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-07-27 15:24:59 +01:00
Vittorio Giovara
def97856de lavc: AV-prefix all codec capabilities 
Express bitfields more simply.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-07-27 15:24:58 +01:00
Michael Niedermayer
a94eba6f0c Merge commit '7f9f771eac0d37a632e0ed9bd89961d57fcfb7e0' 
* commit '7f9f771eac0d37a632e0ed9bd89961d57fcfb7e0':
  avcodec: Don't anonymously typedef structs

Conflicts:
	libavcodec/alac.c
	libavcodec/cinepak.c
	libavcodec/cscd.c
	libavcodec/dcadec.c
	libavcodec/g723_1.c
	libavcodec/gif.c
	libavcodec/iff.c
	libavcodec/kgv1dec.c
	libavcodec/libopenjpegenc.c
	libavcodec/libspeexenc.c
	libavcodec/ra288.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-14 21:18:17 +01:00
Diego Biurrun
7f9f771eac avcodec: Don't anonymously typedef structs 2015-02-14 10:13:49 -08:00
Michael Niedermayer
3539d6c63a avcodec/iff: check pixfmt for rgb8 / rgbn 
Fixes out of array access

Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-10 22:05:55 +02:00
Michael Niedermayer
9bcdb98839 avcodec/iff: Factorize av_pix_fmt_desc_get() out 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-10 21:53:39 +02:00
Michael Niedermayer
4843227b2c avcodec/iff: ensure that runs with insufficient input dont leave uninitialized bytes in the output 
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fa0dea15eae_8988_test.iff
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-02 14:52:02 +01:00
Michael Niedermayer
b3f44eafa5 avcodec/iff: warn about truncated input to decode_byterun() and clear remaining output 
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fe205e395ed_8988_test.iff
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-19 21:22:43 +01:00
Michael Niedermayer
ccdfa3e271 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  Add missing #includes for *INT64_MAX and *INT64_C

Conflicts:
	ffmpeg.c
	ffmpeg_filter.c
	ffplay.c
	libavformat/assdec.c
	libavformat/avidec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-24 05:21:19 +01:00
Diego Biurrun
8f8bc92365 Add missing #includes for *INT64_MAX and *INT64_C 2013-11-23 21:55:52 +01:00
Michael Niedermayer
9f890a1656 Merge commit '2e09096da912f563c4dd889a8f25c314529bbaa6' 
* commit '2e09096da912f563c4dd889a8f25c314529bbaa6':
  kgv1: use the AVFrame API properly.
  indeo2: use the AVFrame API properly.
  iff: use the AVFrame API properly.
  msrle: use the AVFrame API properly.

Conflicts:
	libavcodec/iff.c
	libavcodec/indeo2.c
	libavcodec/kgv1dec.c
	libavcodec/msrle.c

See: 451b2ca1b4
See: 80e9e63c94
See: 057dce5f21
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-17 01:38:41 +01:00
Anton Khirnov
4b8a194146 iff: use the AVFrame API properly. 2013-11-16 13:20:44 +01:00
Michael Niedermayer
d5ec8ba7f2 Do not leave positive values undefined when negative are defined as error 
Define positive return values as non errors and leave further meaning undefined
This allows future extensions to use these values

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-19 16:42:57 +02:00