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>

avcodec/vqavideo: check destination size on all exit pathes

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>

examples/muxing: fix memleaks in resampler

  - do not allocate resample dst buffer when resample is off
  - free sample buffers in addition to freeing data pointer arrays

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

examples/muxing: use S16 sample_fmt for resample src regardless of codec sample_fmt

We generate S16 samples and we should allocate the right buffer

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

examples/muxing: fix av_frame_free() not called when got_packet is false

Hi list! Since my last patch (fix 2 memleaks in doc/examples/muxing.c)
I found more problems to fix.

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

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>

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  arm: Don't clobber callee saved registers in scalarproduct

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

Merge commit '5c3fa74b94fdedfd63b606f36920d7fbbc069b72'

* commit '5c3fa74b94fdedfd63b606f36920d7fbbc069b72':
  hevc: support luma bit depth != chroma bit depth for PCM coding units

Conflicts:
libavcodec/hevc.c

See: 0afa254d4efd3c06fd0194789aefc193c8506947
See: a7e300649a7a2105a4f7edfaf936f0a9e05a2d43
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '78d0b7f36e39bb4745613e312024ddd508e2f0fb'

* commit '78d0b7f36e39bb4745613e312024ddd508e2f0fb':
  hevc: warn when an unknown profile is used

See: a21839149cddf2fa6d4cfc37d066cdb68a2ac8aa
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '259cddb137988a25607f091c2414158ff81ca7d6'

* commit '259cddb137988a25607f091c2414158ff81ca7d6':
  hevc_ps: fix indentation

See: 36658c978f5d7df2ce556075946f3a80f7eca753
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '2d18aaa14bc2233b0647d2c5abb72e0bc828c2a8'

* commit '2d18aaa14bc2233b0647d2c5abb72e0bc828c2a8':
  hevc: refactor Profile Tier Level
  hevc: don't check for errors in PTL code

Conflicts:
libavcodec/hevc_ps.c

See: 36658c978f5d7df2ce556075946f3a80f7eca753
See: dddc9b7a8ec3a03e48c69991ca7f20f10dd6f022
See: ecb21d24373ccf8f1d090cff48f4e0c384b7f998
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '321cb8b048c7a8c0d2950f9278f36d912a886fa0'

* commit '321cb8b048c7a8c0d2950f9278f36d912a886fa0':
  hevc: store profile and level in AVCodecContext

See: fb7d70c1cd95529cbbbeeab5e9fa3b200ef2545c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '2a41826bea3833895dc06939831b7f35ca1f597e'

* commit '2a41826bea3833895dc06939831b7f35ca1f597e':
  lavc: add HEVC profiles names

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

See: fb7d70c1cd95529cbbbeeab5e9fa3b200ef2545c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'f412b2c9f3a7add0ab8021262ec4bad249347e30'

* commit 'f412b2c9f3a7add0ab8021262ec4bad249347e30':
  flv: Use the correct type to hold the file offset

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

Merge commit '15739a9bd19a7d47ad8afb25348c684a3bdd6ef2'

* commit '15739a9bd19a7d47ad8afb25348c684a3bdd6ef2':
  jvdec: Do not feed the decoder with known wrong data

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

Merge commit 'e518cb863edc931888ccca6cad86f73ca7430cef'

* commit 'e518cb863edc931888ccca6cad86f73ca7430cef':
  jvdec: Fix memory leak of jv->frames

See: 596814f9781772050c65bdd8add27445bc8374a4
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '027712e851da4d124a842c9e2802f95d50582553'

* commit '027712e851da4d124a842c9e2802f95d50582553':
  jvdec: Return EOF on end of file

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

Merge commit 'dfc50ac85e9d68a771b556297b7c411650206f3b'

* commit 'dfc50ac85e9d68a771b556297b7c411650206f3b':
  x86: mpegvideo: move denoise_dct asm to mpegvideoenc

Conflicts:
libavcodec/x86/mpegvideo.c
libavcodec/x86/mpegvideoenc.c

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

Merge commit 'b254490bdabb21bd517c05b1a68717f9952ac8c4'

* commit 'b254490bdabb21bd517c05b1a68717f9952ac8c4':
  vc1: arm: Add NEON no_rnd chroma MC

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

Merge commit '832e19063209a5f355af733d1a45f5051f49ce33'

* commit '832e19063209a5f355af733d1a45f5051f49ce33':
  vc1: arm: Add NEON assembly

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

avformat/pva: Make sure the header is large enough before reading the timestamp from it

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f34b5dc6d58_2674_PVA_test-partial.pva
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/pva: Make sure the first byte of pes_header_data has been initialized

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f53c1d0e95c_2674_PVA_test-partial.pva
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

arm: Don't clobber callee saved registers in scalarproduct

q4-q7/d8-d15 are supposed to not be clobbered by the callee.

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>

hevc: support luma bit depth != chroma bit depth for PCM coding units

Signed-off-by: Anton Khirnov <anton@khirnov.net>

hevc: warn when an unknown profile is used

Bitstreams conforming to the spec should not use profiles not defined
in it.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

hevc_ps: fix indentation

Signed-off-by: Anton Khirnov <anton@khirnov.net>

hevc: refactor Profile Tier Level

Also store a few PTL flags which were skipped before

Signed-off-by: Anton Khirnov <anton@khirnov.net>

hevc: don't check for errors in PTL code

According to the spec, the value of XXX_reserved_zero_44bits should be
ignored, so don't report an error when it's not zero.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

hevc: store profile and level in AVCodecContext

Signed-off-by: Anton Khirnov <anton@khirnov.net>

lavc: add HEVC profiles names

Signed-off-by: Anton Khirnov <anton@khirnov.net>

lavfi/hue: show first decimal value of saturation

lavfi/hue: use av_clip_uint8() instead of av_clip_uint8_c()

The generic version should be faster if optimized.

lavfi/hue: force table initialization for the first frame

avformat/smacker: check for format mismatch more completely

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f6e83322950_9769_wetlogo.smk
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/nistspheredec: initialize header_size to -1

Fixes use of uninitialized memory
This also avoids the need to check the scanf() return as the subsequent check catches it
Fixes: msan_uninit-mem_7f712e4dc173_7414_nist_ulaw.nist
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

flv: Use the correct type to hold the file offset

jvdec: Do not feed the decoder with known wrong data

Still assume the size value is right in non-explode mode.

jvdec: Fix memory leak of jv->frames

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

jvdec: Return EOF on end of file

x86: mpegvideo: move denoise_dct asm to mpegvideoenc

This function is encoding-only.

Signed-off-by: Diego Biurrun <diego@biurrun.de>

avcodec/mpegvideo_enc: fix frame skipping with intra only codecs

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

avcodec/mpegvideo_enc: fix integer overflow with -skip_exp >= 2

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

vc1: arm: Add NEON no_rnd chroma MC

Apply David Conrad's old patch to the modern codebase.

http://ffmpeg.org/pipermail/ffmpeg-devel/2009-April/059877.html

Signed-off-by: Martin Storsjö <martin@martin.st>

vc1: arm: Add NEON assembly

For:

ff_vc1_inv_trans_{8,4}x{8,4}_{dc_,}neon
ff_put_pixels8x8_neon
ff_put_vc1_mspel_mc{0,1,2,3}{0,1,2,3}_neon (except for 00)

Based on ARM assembly code in libavcodec/arm by Rob Clark and Mans
Rullgard.

Signed-off-by: Martin Storsjö <martin@martin.st>

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  atomics: cosmetics: Restructure ifdefs for greater clarity

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

Merge commit '8558595a59913a4667f57d5a4658b1340f1a4354'

* commit '8558595a59913a4667f57d5a4658b1340f1a4354':
  configure: Express atomics/thread deps through the dependency system

Conflicts:
configure

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

atomics: cosmetics: Restructure ifdefs for greater clarity

Also fix the #endif comment in a few places and #include config.h to
avoid assuming it is #included implicitly.

avformat/sierravmd: Check avio_read return value

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f82af392dae_1848_HR060606.VMD
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>