alsdec: make return checking for read_*_block_data() consistent

Reviewed-by: Thilo Borgmann <thilo.borgmann@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

alsdec: Use AVERROR_INVALIDDATA in read_const_block_data

Reviewed-by: Thilo Borgmann <thilo.borgmann@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mips: ac3 downmix updated to the new data layout.

Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

lavf/matroskaenc: check for overflow in display width.

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  aacdec: Fix an off-by-one overwrite when switching to LTP profile from MAIN.
  x86inc: fix stack alignment on win64
  rtpproto: Remove unused defines

Conflicts:
libavcodec/aacdec.c

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

Merge commit 'f3f60dcbdd6ff2201526a603fe28293975bb7667'

* commit 'f3f60dcbdd6ff2201526a603fe28293975bb7667':
  rtpdec_mpeg4: Cosmetic cleanup
  rtpdec: Cosmetic cleanup of the header
  rtpdec: Get rid of a useless _s suffix on a struct name

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

Merge commit '7941159df6aad2d219e2a7184489be7a735dd944'

* commit '7941159df6aad2d219e2a7184489be7a735dd944':
  rtpdec/enc: Remove outdated/useless/misleading comments
  rtpdec: Improve some comments
  rtpdec: Remove unused context variables
  rtpdec: Limit writing to the buffer size
  svq1: Fix building with -DDEBUG
  svq1: return meaningful error codes.

Conflicts:
libavcodec/svq1dec.c

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

Merge commit '998fdcff41bbda8ef13c991743376556f910efa9'

* commit '998fdcff41bbda8ef13c991743376556f910efa9':
  lavc: replace some forgotten instances of PixelFormat with AVPixelFormat
  svq1: unmacroify macros used only once.

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

Merge commit '95baf701db719ecad6b31000429e20eca2526ed6'

* commit '95baf701db719ecad6b31000429e20eca2526ed6':
  svq1: deMpegEncContextize

Conflicts:
libavcodec/svq1dec.c

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

lavfi: drop ff_null_start_frame/end_frame/draw_slice.

The functions have become unused

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

lavfi/select: assign NAN to ignored values

Also log scene value. Improve debugging.

lavfi/select: add support to options

Add options introspection, and improve error feedback.

lavfi/select: in select_frame(), rename picref -> ref

The variable is now used also for audio frames.

doc/filters: itemize select/aselect examples

Improve rendering.

lavfi: mv vf_select.c -> f_select.c

The file now contains also an audio select implementation. Also move the
aselect/select documentation from video filters to the multimedia filters
section.

lavfi: add aselect audio variant of select

lavfi/select: remove deprecated and unused poll_frame() callback

Simplify.

aacdec: Fix an off-by-one overwrite when switching to LTP profile from MAIN.

Found-by: pawlkt
CC: libav-stable@libav.org

lavf/matroskaenc: use integers to for display size.

Avoid rounding differences between x86_32 and x86_64.
Fix trac ticket #1997.

x86inc: fix stack alignment on win64

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

mpeg1video: fix regression with slices != threads

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

mpeg1video: support multi threaded slice encoding.

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

adpcm: fix off by 1 error and out of array access in DK4

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

msmpeg4dec: fix coeff index

Fixes assertion failure

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

read_gab2_sub: fix null pointer dereference

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

avfilter_get_audio_buffer_ref_from_frame: check that layout and channels match if they are set

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

ffmpeg: sub2video: use start and end time.

Until now, the end_display_time was ignored, making single
packets subtitles (like dvdsub) stay indefinitely.

start_display_time was also ignored, but is it almost always 0.

rtpproto: Remove unused defines

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

ff_copy_buffer_ref: use the channel count

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

avfilter_get_video_buffer_ref_from_frame: check channel count

more than 8 channels is not supported and crashes with null pointer dereference

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

alsdec: check block length

Fix writing over the end

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

lavf/concatdec: avoid leaking URLs.

Use av_realloc instead of av_realloc_f to keep the original
array in case of failure: it is freed in full by the fail label.

mxf_set_audio_pts: fix division by 0

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

oggspeexparse: fix array overread

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

rtpdec_mpeg4: Cosmetic cleanup

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

rtpdec: Cosmetic cleanup of the header

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

rtpdec: Get rid of a useless _s suffix on a struct name

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

rtpdec/enc: Remove outdated/useless/misleading comments

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

rtpdec: Improve some comments

The previous comment about the buffer was wildly inaccurate and
misleading.

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

rtpdec: Remove unused context variables

These stem from back when both the rtp muxer and rtp depacketizing
shared the same struct.

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

rtpdec: Limit writing to the buffer size

This fixes potential buffer overwrites.

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

svq1: Fix building with -DDEBUG

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  lavr: fix segfault due to overlooked change needed in 14758e3
  x86inc: support stack mem allocation and re-alignment in PROLOGUE

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

x86inc: support stack mem allocation and re-alignment in PROLOGUE.

Use this in VP8/H264-8bit loopfilter functions so they can be used if
there is no aligned stack (e.g. MSVC 32bit or ICC 10.x).

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

Merge commit '14758e3211d34a97c42b07acae117ce5627d7f57'

* commit '14758e3211d34a97c42b07acae117ce5627d7f57':
  lavr: temporarily store custom matrix in AVAudioResampleContext
  lavr: clarify documentation for avresample_get/set_matrix()

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

Merge commit 'd04c17c91363a6b15d1ac2d79c817f3d5e2998b3'

* commit 'd04c17c91363a6b15d1ac2d79c817f3d5e2998b3':
  swfdec: cosmetics: fix indentation

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

swfdec: print warning when len is cliped

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

Fix frame-rate documentation.

svq1: return meaningful error codes.

lavc: replace some forgotten instances of PixelFormat with AVPixelFormat

svq1: unmacroify macros used only once.

svq1: deMpegEncContextize

This decoder is quite simple and none of the MpegEncContext complexity
is actually needed.

Merge commit 'e70c5b034c4787377e82cab2d5565486baec0c2a'

* commit 'e70c5b034c4787377e82cab2d5565486baec0c2a':
  swfdec: do better validation of tag length
  Make LOCAL_ALIGNED syntactically similar on all systems

Conflicts:
libavformat/swfdec.c

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

lavr: fix segfault due to overlooked change needed in 14758e3

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

x86inc: support stack mem allocation and re-alignment in PROLOGUE

Use this in VP8/H264-8bit loopfilter functions so they can be used if
there is no aligned stack (e.g. MSVC 32bit or ICC 10.x).

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

lavfi/showinfo: check plane count before dereferencing.

ac3dec: fix out of array read

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

cafdec: Check duration before use.

Fix division by 0

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

bfi: fix division by 0

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

Changelog: update for soxr

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

doc/ffmpeg: fix/extend documentation for -copyts

swr: Add SOX resampler support

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

swr: add a lowpass default so that each Resampler can have its own default.

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

swr: move flush into Resampler

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

swr: make realloc_audio() available outside swresample.c

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

swr: Add API to make resample engine selectable.

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

lavc/utils: Do not require dimensions for PNG.

pngenc doesnt need them and mplayer doesnt set them.

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

doc/filters: fix grammar mistake in setfield documentation

Spotted-by: Tim Nicholson <nichot20@yahoo.com>

lavr: temporarily store custom matrix in AVAudioResampleContext

This allows AudioMix to be treated the same way as other conversion contexts
and removes the requirement to allocate it at the same time as the
AVAudioResampleContext.

The current matrix get/set functions are split between the public interface
and AudioMix private functions.

lavr: clarify documentation for avresample_get/set_matrix()

lavfi/fps: remove parse opt error message.

See cc650cf0 for more info.

doc/filters: extend fps documentation.

lavfi/fps: add shorthand.

mxfdec: drop unneeded extradata padding

Found-by: Tomas Härdin <tomas.hardin@codemill.se>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

swfdec: cosmetics: fix indentation

swfdec: do better validation of tag length

Avoids trying to read a packet with 0 or negative size.
Avoids a potential infinite loop due to seeking backwards.

Partially based on a patch by Michael Niedermayer.

mxfdec: fix leak of extradata

Reviewed-by: Tomas Härdin <tomas.hardin@codemill.se>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Make LOCAL_ALIGNED syntactically similar on all systems

This changes the LOCAL_ALIGNED definition on systems where
DECLARE_ALIGNED is used so it matches the manual alignment
case, ensuring invalid use will not compile on x86 only to
fail on everything else.

Signed-off-by: Mans Rullgard <mans@mansr.com>

filters.texi: document more aresample options

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

svq3: fix cast type to be independant of "sizeof(int)"

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

build: fix dca encoder dependencies

Signed-off-by: Paul B Mahol <onemda@gmail.com>

fate: add BRSTM demuxer test

Signed-off-by: Paul B Mahol <onemda@gmail.com>

iff decoder: support RGB8 and RGBN

iff demuxer: support RGB8 and RGBN

lavf: remove unneeded pb check

Fixes CID747727
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

astenc: fix assignment vs compare

Fixes CID747736
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

lavf: fix memleak

Fixes CID747738
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  build: fix 'clean' target
  ZeroCodec: Flip output

Conflicts:
libavcodec/version.h

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

lavfi: remove mp=denoise3d filter.

hqdn3d was meant to be a more efficient denoise3d filter, is supported
natively, and is faster on my computer thanks to the ASM optimisations.

doc: fix a -map syntax in one command line example.

build: fix prores decoder dependencies.

According to lavc/proresdsp.c, both prores and prores-lgpl decoders need
lavc/x86/proresdsp_init.c:ff_proresdsp_x86_init().

doxy: add ref for lavfi, lpp and lsws.

doxy: fix swr group name

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

Print bpc (for bits per component) with pixel format if it is smaller than expected.

lavf/segment: add reset_timestamps option

The new options reset the timestamps at each new segment, so that the
generated segments will have timestamps starting close to 0.

It is meant to address trac ticket #1425.

opt: fix memleak on error of range_array

Fixes CID747739
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

http: dont null check p, its unneeded

Fixes CID747740
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

vf_tinterlace: default of mode switch is impossible, add assert.

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

libavcodec/x86/mpegvideo: switch to av_assert2

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

itu H.263: Fix handling of PB blocks

This fixes artifacts in Ticket744

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