avcodec/shorten: clear bitstream buffer

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f3ca95606fb_6393_luckynight-partial.shn
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  configure: Explicitly disable w32threads if the test for it fails

Merged-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mpc8: check avio_read() return in mpc8_parse_seektable()

no sample / testcase known

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mpc8: clear buffer padding area

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fa6a48cd1d5_8853_sv8_notags.mpc
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffmpeg_opt: Fix -target vcd

The removed line makes no sense and doesnt work

fixes ticket #3239

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffprobe: Dont clear AVFrame between uses.

The old API required this clearing in the past, the new API does not
require it.

Fixes memleak
Regression introduced by 37a749012aaacc801fe860428417a6d7b81c103f

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

lavfi/volume: fix NULL reference in filter_frame()

Fix crash.

doc/protocols/tcp,lavf/tcp: apply minor fixes to TCP protocol documentation

lavf/tcp: honor listen option value in a tag

Consistent with what is done in udp.c, allow to explicitly disable listen
with listen=0.

doc/protocols/udp,lavf/udp: apply minor documentation fixes

lavfi/volume: extend volume logging

lavfi/volume: implement process_command() callback, with the volume command

Address trac ticket #2868.

lavfi/volume: support volume expression and per-frame expression evaluation

The eval mode allows to evaluate the expression per-frame or just at
init.

In particular, address ticket #3234.

avformat/westwood_vqa: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/vc1test: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/rsd: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/rmdec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/rl2: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/riffdec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/nuv: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/nutdec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mpc8: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mpc: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mov: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/isom: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/idcin: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/flvdec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/ffmdec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/cafdec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/bink: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/avidec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/apetag: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/apc: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/aiffdec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/adxdec: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat: add ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/isom: free extradata  on failure to read it

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f607d80f661_6965_mov00003.mqv
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mov: check avio_read return in mov_read_dvc1()

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f46d5199ee1_9456_vc1-wmapro.ism
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

matroskadec: Fix bug when parsing realaudio codec parameters

flavor can be 0.

This fixes tract ticket #3214

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

configure: Explicitly disable w32threads if the test for it fails

This avoids false positive enabling of w32threads if explicitly
requested on the command line, but dependencies are missing.

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  error.h: Do not circularly depend on avutil.h

See: 7c2bb79f3b849d12800856379063f99f3b018678
Merged-by: Michael Niedermayer <michaelni@gmx.at>

avformat/ape: free packet on avio_read() failure

Fixes memleak
Fixes: msan_uninit-mem_7fcc198b365b_8417_sh3.ape
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/nut: add minor_version field with version>=4

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/nut: store version in the context

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/ape: zero seektable&bittable and warn when they where only partially filled

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fcc198b365b_8417_sh3.ape
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/vmdav: return the amount of data that has been unpacked from lz_unpack() (as well as errors)

and setup the bytestream buffer size accordingly

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fdcc513cd45_229_12.vmd
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

error.h: Do not circularly depend on avutil.h

avcodec/eatgv: use av_mallocz() for frame_buffer

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fbf6159587b_2571_ORIGIN.TGV
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

swscale/utils: fix wrong deprecated message with rgb0

Fixes Ticket3242
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Allow stream-copying grayscale mov files.

This reverts 0de2157f / r12272.
Fixes ticket #3215.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mov: Do not compute a grayscale palette for cinepak in mov.

This was never done for avi files, the decoder always produced
output no matter if a palette was computed or not.
Since a non-standard palette was needed, this simplifies the code.
See issue 1067 and ticket #165.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/matroskadec: Fix start_time

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

vp9: fix crash if segmentation=1, keyframe/intraonly=1 and updatemap=0.

The reference map is never used in such cases, but we accidently copied
it anyway. This could cause crashes if this map has not yet been
allocated. Fixes trac ticket 3188.

Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

vp9: fix bug in updating of coef probabilities with parallelmode=1.

Fixes trac ticket 3228.

Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/libopusdec: Set codec->delay to pre_skip not fixed value

Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Read pictures in id3v2.2

avcodec/wavpack fix *void pointer arithmetic

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

wtvenc: output ff_format_none if ff_put_wav_header fails

This occurs when muxing E-AC-3.

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

wtvenc: use codec tag + MEDIASUBTYPE_BASE_GUID, if there is no suitable guid

This permits H264, AAC, AAC-LATM muxing.

Fixes ticket #536.

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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>

tools/zmqsend: rename ctx to zmq_ctx

The new name is more explicit.

tools/zmqsend: use valid NULL log context

The zmq context is not a valid log context. Fix crash.

avcodec/apedec: use av_fast_padded_malloc()

Fixes use of uninitialized memory
Fixes part of msan_uninit-mem_7fa0d8c8bd58_8417_sh3.ape
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/apedec: more checks for k

Fixes assertion failure
Fixes part of msan_uninit-mem_7fa0d8c8bd58_8417_sh3.ape
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/libopencore-amr: remove av_free coded_frame.

There seems to be nothing that sets coded_frame
also av_free is wrong

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

MAINTAINERS: drop 2.0 from the releases that i maintain

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/iss: check sscanf() return code

Fixes use of uninitialized data
Fixes: msan_uninit-mem_7f883205ce82_15_0001010100.iss
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

wtvenc: populate VIDEOINFOHEADER2

Fixes ticket #2835.

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/riffenc: indent

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

riffenc: add option to ff_put_bmp_header to ignore extradata

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

wtvenc: test avio_size() validity

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  lavu: fix typo in documentation.

See: e53061154f42cda93052a2f558e1c4697e3b0c1a
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '57ead8449e44bd07b3d4a5bd42f1aab64566f92e'

* commit '57ead8449e44bd07b3d4a5bd42f1aab64566f92e':
  doc: fix link to the ISC license text in the developer documentation.

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '6c0e83511705e7f8f5100e7852a1e7fd16aa8877'

* commit '6c0e83511705e7f8f5100e7852a1e7fd16aa8877':
  doc: fix a coding style error in the developer documentation.

Merged-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/utils: fix memleak on avcodec_open2() failure

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/wavpack: clear remainder of data in case of error in wv_unpack_mono/stereo()

Fixes use of uninitialized data
Fixes: msan_uninit-mem_7fd85b654950_4005_because.wv
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

lavu: fix typo in documentation.

doc: fix link to the ISC license text in the developer documentation.

doc: fix a coding style error in the developer documentation.

avutil/avstring: add av_strnlen()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Convert XvMC to hwaccel v3

Signed-off-by: Ivan Kalvachev <ikalvachev@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  vc1: Fix intensity compensation performance regression

Conflicts:
libavcodec/vc1.c

See: ed5bed4152203aed8cce01a679bed67bbda8903f
Merged-by: Michael Niedermayer <michaelni@gmx.at>

configure: support raising major version in soname

this allows seperate installation of shared libs that should not conflict with
whatever is already installed.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffmpeg: use timestamp from before and after the decoder to detect backward moving dts for discontinuity detection

This should make discontinuity detection more robust and detect
more cases. Timestamps after the decoder can be delayed due to threads,
timestamps before can be missing

no testcase available/known

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

nutenc/write_index: warn if 2 consecutive keyframes have the same PTS and discard the 2nd

This fixes an assertion failure and regression and restores previous behaviour
Fixes Ticket3197

An alternative would be to fail hard in this case and refuse to mux such data.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

vc1: Fix intensity compensation performance regression

Introduced by 28243b0d35b47bbf9abbd454fc444a6e0a9e7b71

Intensity compensation is always used once it was encountered, because
v->next_use_ic is never set back to zero.

Reset v->next_use_ic, when resetting v->next_luty/uv.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

vc1: simplify *_use_ic initialization

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

VC1: Fix intensity compensation performance regression

Fix https://trac.ffmpeg.org/ticket/3204

The problem was that intensity compensation was always used once it was
encountered. This is because v->next_use_ic was never set back to zero.
To fix this, when resetting v->next_luty/uv, also reset v->next_use_ic.

This improved (restored) performance by 85% when decoding
http://bit.ly/bbbwmv

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  hevc: move DSP declarations from hevc.h into hevcdsp.h

Conflicts:
libavcodec/hevc.h
libavcodec/hevcdsp.c
libavcodec/hevcdsp.h

See: c8dd048ab8cff815c9f4b16a62db0b74df011f0a
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'be7c323176e2e5fcf30e3d2ff20975b2f936811b'

* commit 'be7c323176e2e5fcf30e3d2ff20975b2f936811b':
  Add a libwebp encoder

Conflicts:
Changelog
doc/encoders.texi
doc/general.texi
libavcodec/version.h
libavformat/img2enc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

hevc: move DSP declarations from hevc.h into hevcdsp.h

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

avformat/4xm: shrink packet if it was only partially initialized

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f6c76ab7950_4920_dracula.4xm
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/isom: check avio_read() result

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f7aa4151661_4885_dmbts3.ts
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/rmdec: zero string destination before use

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f9677850d99_4635_crashed.rm
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Add a libwebp encoder

vcodec/rv34: use av_mallocz() to allocate tables

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f75e2a55b88_4146_brokenaudio.rmvb
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/electronicarts: detect endianness by comparing sizes instead of using an arbitrary threshold

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/gxfenc: dont use a int intermediate to store in a unsigned int table

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/electronicarts: use 64bit variable for avio_tell() result

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/vqavideo: clear uninitialized parts of the decode buffer

Fixes use of uninitialized memory
Fixes part of msan_uninit-mem_7f841fe2ab3b_4608_cow2_1.vqa
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>