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94 Commits

Author SHA1 Message Date
Andreas Rheinhardt
40bdd8cc05 avformat: Avoid allocation for AVStreamInternal 
Do this by allocating AVStream together with the data that is
currently in AVStreamInternal; or rather: Put AVStream at the
beginning of a new structure called FFStream (which encompasses
more than just the internal fields and is a proper context in its own
right, hence the name) and remove AVStreamInternal altogether.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-09-17 13:22:25 +02:00
Michael Niedermayer
89505d38de avformat/wtvdec: Check for EOF before seeking back in parse_media_type() 
Fixes: Infinite loop
Fixes: 36311/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-4889181296918528

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>
 2021-08-06 21:04:43 +02:00
James Almer
b9c5fdf602 avformat: move AVStream.{parser,need_parsing} to AVStreamInternal 
Those are private fields, no reason to have them exposed in a public
header.

Signed-off-by: James Almer <jamrial@gmail.com>
 2021-05-07 09:27:21 -03:00
Andreas Rheinhardt
bc70684e74 avformat: Constify all muxer/demuxers 
This is possible now that the next-API is gone.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-04-27 11:48:06 -03:00
Michael Niedermayer
f8ec1da8ac avformat/wtvdec: Improve size overflow checks in parse_chunks() 
Fixes: signed integer overflow: 32 + 2147483647 cannot be represented in type 'int
Fixes: 32967/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5132856218222592

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>
 2021-04-22 16:01:21 +02:00
Andreas Rheinhardt
39ecb63d0f avformat: Add and use helper function to add attachment streams 
All instances of adding attached pictures to a stream or adding
a stream and an attached packet to said stream have several things
in common like setting the index and flags of the packet, setting
the stream disposition etc. This commit therefore factors this out.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-04-01 18:23:13 +02:00
Michael Niedermayer
1f74661543 avformat/wtvdec: Check size in SBE2_STREAM_DESC_EVENT / stream2_guid 
Fixes: signed integer overflow: 539033600 - -1910497124 cannot be represented in type 'int'
Fixes: 30928/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5922630966312960

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-03-29 22:19:39 +02:00
Michael Niedermayer
5552ceaf56 avformat/wtvdec: Check len in parse_chunks() to avoid overflow 
Fixes: signed integer overflow: 2147483647 + 7 cannot be represented in type 'int'
Fixes: 30084/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-6192261941559296

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>
 2021-02-09 19:37:27 +01:00
Michael Niedermayer
69754e07f5 avformat/wtvdec: Check for EOF before potentially reseting the eof state 
Fixes: infinite loop
Fixes: 28042/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-6311288967528448

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-09 19:37:27 +01:00
Michael Niedermayer
1868cb7316 avformat/wtvdec: Check dir_length 
Fixes: Infinite loop
Fixes: 26445/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5125558331244544

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>
 2020-10-21 17:21:41 +02:00
Andreas Rheinhardt
acbd950ed2 avformat/wtvdec: Forward errors when reading packet 
wtvfile_read_packet did not abide by the requirements of an
AVIOContext's read_packet-function: If it did not read anything,
it returned zero, which currently leads to a warning in read_packet_wrapper
in aviobuf.c. Said warning will be an av_assert2 as soon as
FF_API_OLD_AVIO_EOF_0 is zero (probably the next major version bump).
So instead forward the error code from the underlying protocol.

This error/assert is triggered in the wtv-demux FATE test.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-02-19 22:37:30 +01:00
Andreas Rheinhardt
653ef8828a avformat/wtvdec: Cosmetics 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: James Almer <jamrial@gmail.com>
 2020-01-07 22:35:52 -03:00
Andreas Rheinhardt
373c1c9b69 avformat/wtvdec: Fix memleak when reading header fails 
Fixes #8314.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: James Almer <jamrial@gmail.com>
 2020-01-07 22:35:27 -03:00
Michael Niedermayer
dd357d76e5 avformat/wtvdec: Avoid (32bit signed) sectors 
Fixes: left shift of negative value -14614752
Fixes: 15174/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5670543606415360

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>
 2019-06-14 21:36:39 +02:00
Carl Eugen Hoyos
4d8875ec23 lavf: Constify the probe function argument. 
Reviewed-by: Lauri Kasanen
Reviewed-by: Tomas Härdin
 2019-03-21 11:42:17 +01:00
Daniel Kucera
feed201849 libavformat/wtvdec: return AVERROR_EOF on EOF 
Signed-off-by: Daniel Kucera <daniel.kucera@gmail.com>
Signed-off-by: wm4 <nfxjfg@googlemail.com>
 2017-10-13 17:23:54 +02:00
Anton Khirnov
78a7af823b Use the new AVIOContext destructor. 
(cherry picked from commit 6f554521af)
Signed-off-by: James Almer <jamrial@gmail.com>
 2017-09-01 02:16:33 -03:00
Michael Niedermayer
cc5e5548df avformat/wtvdec: Check pointer before use 
Fixes out of array read
Fixes: 049fdf78565f1ce5665df236d90f8657/asan_heap-oob_10a5a97_1026_42f9d4855547329560f385768de2f3fb.wtv

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-08-21 21:31:46 +02:00
Clément Bœsch
8ef57a0d61 Merge commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb' 
* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
  cosmetics: Fix spelling mistakes

Merged-by: Clément Bœsch <u@pkh.me>
 2016-06-21 21:55:34 +02:00
Derek Buitenhuis
6f69f7a8bf Merge commit '9200514ad8717c63f82101dc394f4378854325bf' 
* commit '9200514ad8717c63f82101dc394f4378854325bf':
  lavf: replace AVStream.codec with AVStream.codecpar

This has been a HUGE effort from:
    - Derek Buitenhuis <derek.buitenhuis@gmail.com>
    - Hendrik Leppkes <h.leppkes@gmail.com>
    - wm4 <nfxjfg@googlemail.com>
    - Clément Bœsch <clement@stupeflix.com>
    - James Almer <jamrial@gmail.com>
    - Michael Niedermayer <michael@niedermayer.cc>
    - Rostislav Pehlivanov <atomnuker@gmail.com>

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2016-04-10 20:59:55 +01:00
Michael Niedermayer
92dfeb5c31 avformat/wtvdec: Set AVFMTCTX_NOHEADER 
Needed for noStreams.wtv unless something else forces continued parsing (like looking for more than 1
frame in attachments)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-03-19 22:58:34 +01:00
Derek Buitenhuis
1a12eb4a73 Merge commit '29c2d06d67724e994980045afa055c6c34611b30' 
* commit '29c2d06d67724e994980045afa055c6c34611b30':
  cosmetics: Drop empty comment lines

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2016-02-24 17:31:44 +00:00
Timothy Gu
e5a6dcac47 wtvdec: Removed unused variable 2016-01-31 15:52:23 -08:00
popcornmix
def56677e5 wtv: Speed up wtv index creation 
The index creation is O(N^2) with number of entries (typically thousands).
On a Pi this can take more than 60 seconds to execute for a recording of a few hours.

By replacing with an O(N) loop, this takes virtually zero time

Liked-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-02-01 00:40:47 +01:00
Michael Niedermayer
ba77fb61f7 Merge commit 'd80811c94e068085aab797f9ba35790529126f85' 
* commit 'd80811c94e068085aab797f9ba35790529126f85':
  riff: Use the correct logging context

Conflicts:
	libavformat/asfdec_o.c
	libavformat/avidec.c
	libavformat/dxa.c
	libavformat/matroskadec.c
	libavformat/mov.c
	libavformat/riff.h
	libavformat/riffdec.c
	libavformat/wavdec.c
	libavformat/wtvdec.c
	libavformat/xwma.c

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-12 15:22:37 +02:00
Michael Niedermayer
d44e0d8b93 avformat/wtvdec: Use 64bit for ret to avoid overflow 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-20 20:57:31 +01:00
Rodger Combs
62e95757d5 wtvdec: fix integer overflow resulting in errors with large files 
This fixes a regression in 9fbc613f0d

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-20 18:38:36 +01:00
Michael Niedermayer
a0fe1a25fa Merge commit 'daf8cf358a098a903d59adb6c0d0cc3262a8c93e' 
* commit 'daf8cf358a098a903d59adb6c0d0cc3262a8c93e':
  avformat: Don't anonymously typedef structs

Conflicts:
	libavformat/adtsenc.c
	libavformat/aiffenc.c
	libavformat/avidec.c
	libavformat/gif.c
	libavformat/iff.c
	libavformat/img2dec.c
	libavformat/jvdec.c
	libavformat/matroskadec.c
	libavformat/udp.c
	libavformat/wtvdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-14 21:07:40 +01:00
Michael Niedermayer
443bd2715d avformat/wtvdec: Use av_freep() avoid leaving stale pointers in memory 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-12-25 12:51:48 +01:00
Thomas Volkert
00d7555f34 wavdec: RIFX file format support 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-12-18 00:10:35 +01:00
Michael Niedermayer
4a39d4c65a Merge commit '82ee7d0dda0fec8cdb670f4e844bf5c2927ad9de' 
* commit '82ee7d0dda0fec8cdb670f4e844bf5c2927ad9de':
  Use gmtime_r instead of gmtime and localtime_r instead of localtime

Conflicts:
	libavformat/mov.c
	libavformat/mxfenc.c
	libavformat/wtvdec.c
	libavutil/parseutils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-26 02:38:26 +01:00
Michael Niedermayer
3b709fd912 Merge commit '9dcf2397219ca796f0fafce2a703770d6fd09920' 
* commit '9dcf2397219ca796f0fafce2a703770d6fd09920':
  lavf: Check the return value of strftime

Conflicts:
	libavformat/wtvdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-26 02:06:40 +01:00
Michael Niedermayer
50697ac5b2 Merge commit '851ace79a307bea54b44bd6f7ecd3b7861c28ec6' 
* commit '851ace79a307bea54b44bd6f7ecd3b7861c28ec6':
  wtv: Avoid needlessly calling gmtime twice with the same argument

Conflicts:
	libavformat/wtvdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-26 02:21:42 +02:00
Michael Niedermayer
c04f125bb4 Merge commit '9fbc613f0df1628e7e78bca791fa8833846f8210' 
* commit '9fbc613f0df1628e7e78bca791fa8833846f8210':
  wtv: check seek_by_sector return value

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-20 21:43:44 +02:00
Carl Eugen Hoyos
6efe4137ce Stop demuxing wtv on eof. 
Fixes ticket #3991.
Fixes ticket #3995.
Fixes ticket #3997.

Reviewed-by: Peter Ross
Reviewed-by: Paul B Mahol
 2014-10-02 09:41:57 +02:00
Peter Ross
9b8eedd736 avformat/wtvdec: seek over broken chunks 
Fixes ticket #3898

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-29 14:00:58 +02:00
James Almer
d34ec64a22 replace calls to url_feof() with avio_feof() 
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-08 00:48:38 +02:00
Peter Ross
be098f6237 avformat/wtvdec: ignore mpeg2 extradata 
Files produced by windows media center contain meaningless mpeg1 sequence
header. The mpeg2 decoder detects the presence mpeg1 sequence header start
codes and attempts to decode the stream as mpeg1. (This problem introduced
in 73a2d16b.)

Fixes ticket #3601.

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-05-01 18:36:27 +02:00
Peter Ross
0cc685e3ad avformat/wtvdec: populate codec_tag from BITMAPINFOHEADER 
Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-04 17:20:38 +02:00
Peter Ross
8348bd198f avformat/wtvdec: ignore MPEG2VIDEO extradata when count is invalid 
Fixes ticket #3522.

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-04 17:11:47 +02:00
Peter Ross
73a2d16bfa avformat/wtvdec: demux mpeg2 extradata 
Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-30 06:22:50 +02:00
Michael Niedermayer
28ee7757f5 Merge commit 'd92024f18fa3d69937cb2575f3a8bf973df02430' 
* commit 'd92024f18fa3d69937cb2575f3a8bf973df02430':
  lavf: more correct printf format specifiers

Conflicts:
	libavformat/asfdec.c
	libavformat/cafdec.c
	libavformat/dxa.c
	libavformat/framecrcenc.c
	libavformat/hnm.c
	libavformat/iff.c
	libavformat/mov.c
	libavformat/mxfdec.c
	libavformat/rmdec.c
	libavformat/rpl.c
	libavformat/smacker.c
	libavformat/xmv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-11 21:05:34 +01:00
Peter Ross
686b6dc33a wtv: make ff_format_videoinfo2 visible to wtv encoder 
Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-23 19:43:09 +01:00
Peter Ross
d08ea75a82 wtvenc: test avio_size() validity 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-23 13:33:45 +01:00
Peter Ross
8baaa924bd wtvdec: when testing for truncated files, actually check the .wtv file size 
Previously the demuxer was testing against avio_tell, and this would generate
many false warnings.

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-21 11:45:14 +01:00
Michael Niedermayer
b6413cdc02 Merge commit 'c0bba95c2363641d3297b3852b2ece1474cda295' 
* commit 'c0bba95c2363641d3297b3852b2ece1474cda295':
  wtv: fix variable sign in format

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-03 12:48:28 +01:00
Michael Niedermayer
fec6d547cc avformat/wtvdec: drop SHIFT_SECTOR_BITS() macro 
it just wraps around a bitwise shift, and makes the code harder to read

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-19 11:24:20 +02:00
Michael Niedermayer
2a5f4c1ea2 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  wtv: Seek by sector properly

Conflicts:
	libavformat/wtvdec.c

See: a0d13d84a9
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-19 11:11:34 +02:00
Carl Eugen Hoyos
a0d13d84a9 Add some necessary casts in the wtv demuxer. 
This reverts e8023dba, fixes ticket #3049.
 2013-10-17 09:54:03 +02:00
Michael Niedermayer
6c18775bae Merge commit '83c285f88016b087c2f0f4b9ef356ad8ef12d947' 
* commit '83c285f88016b087c2f0f4b9ef356ad8ef12d947':
  wtv: Add more sanity checks for a length read from the file

Conflicts:
	libavformat/wtv.c

See: c42efad3c3
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-20 14:51:02 +02:00