mvdec: minor simplification, remove av_inv_q()

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

mvdec: use avpriv_set_pts_info() instead of directly setting tb.

Fixes division by 0

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

sanm: remove "duplicate" for loop.

Fixes input buffer overread

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

sanm: check image dimensions before using them

Avoids integer overflows and out of array accesses.

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

lagarith: return more meaningful error codes

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

lavfi/showwaves: fix check on showwaves->outpicref

outpicref is not always in synch with showwaves->outpicref, which is
changed as a side effect of the call to functions.

Fix regression introduced in 5f634480d1c4ed7711a15d1be07e49177cf351c1,
+10l to me.

Fix compilation with --disable-everything --enable-demuxer=loas

lavf/aiffenc: ID3 tags support

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

lavf/segment: provide link to HTML M3U8 draft, also fix mentioned version in docs

doc/muxers: remove outdated comment about live flags for the segment muxer

The live flags is currently unused, but still kept for backward
compatibility reasons (and in case it turns to be useful again for
whatever reason).

Support solid gray frames when decoding Lagarith.

Fixes bug 431.

libm: Add fallback definition for cbrt() using pow()

The function is known to be missing in at least one target (MSVC).

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  proresdec: support mixed interlaced/non-interlaced content
  vp3/5: move put_no_rnd_pixels_l2 from dsputil to VP3DSPContext.

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

rtpenc: do not use random values for seq when bitexact is requested.

Fixes fate

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

Merge commit '4f56e773fe8a554b8c2662650aaf799c2ece2721'

* commit '4f56e773fe8a554b8c2662650aaf799c2ece2721':
  x86: ac3: Fix HAVE_MMXEXT condition to only refer to external assembly
  rtpenc: Start the sequence numbers from a random offset

Conflicts:
libavformat/version.h

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

Merge commit '9146e872c643fb8f20f9043f1b93a3cddfad15c6'

* commit '9146e872c643fb8f20f9043f1b93a3cddfad15c6':
  Revert "fate: Use wmv2 IDCT for wmv2 tests"

Conflicts:
tests/fate-run.sh
tests/fate/vcodec.mak

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

Merge commit '4af5310d29379283553bcd9f541a3f6c317f706e'

* commit '4af5310d29379283553bcd9f541a3f6c317f706e':
  get_bits/put_bits: K&R formatting cosmetics

Conflicts:
libavcodec/get_bits.h
libavcodec/put_bits.h

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

Merge commit '570a4a0189946c2c983da41d37fdd67fa13266e7'

* commit '570a4a0189946c2c983da41d37fdd67fa13266e7':
  avidec: use sensible error codes instead of -1

Conflicts:
libavformat/avidec.c

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

proresdec: support mixed interlaced/non-interlaced content

Set interlaced to false if we don't have an interlaced frame

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

mov: prevent double free if the caller replaces the io context.

Fixes Ticket2148

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

avcodec/x86/cabac: workaround llvm 4.2.1 bug

x86_64 is affected by this too
Fixes Ticket2156

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

vp3/5: move put_no_rnd_pixels_l2 from dsputil to VP3DSPContext.

The function is only used in VP3 and VP5, so no need to have it in
DSPContext.

doc: document aresample:first_pts

Documentation copied from asyncts, the options are supposed to do
the same thing. If not please submit a testcase where they differ
so we can fix it.

Disscussed-with: saste on IRC
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

x86: ac3: Fix HAVE_MMXEXT condition to only refer to external assembly

CC: libav-stable@libav.org

rtpenc: Start the sequence numbers from a random offset

Expose the current sequence number via an AVOption - this can
be used both for setting the initial sequence number, or for
querying the current number.

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

avf_showwaves: fix null pointer dereference

Found-by: durandal_1707
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

doc/swr: More verbose description of the force resample flag.

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

doc/swr: elaborate on what the LFE mix level is.

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

doc/swr: typo fix

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

doc/swr: docu lfe mix level unit & range

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

doc/swr: try to fix non english "inclusively included between"

Googling this term has 9 hits, 7 from ffmpeg

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

doc/swr: Mention that the internal sample format is choosen automatically if not set

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

docs/swr: better used_channel_count docs

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

img2dec: support seeking in infinitely looped stream

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

Revert "fate: Use wmv2 IDCT for wmv2 tests"

This reverts commit ce378f0dd0c4e5350b3280e6b3e8d6b46fe4b0a3.

doc/muxers: extend and clarify documentation for the segment muxer time options

lavf/hlsenc: append last incomplete segment when closing the output

Also introduce missing check on PTS value in case of NOPTS value.

dsputil: CONFIG_DWT doesnt exist anymore

place snow dwt init under correct checks
should fix compilation with enable-random

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

vp3: fix compilation with a disabled theora

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

get_bits/put_bits: K&R formatting cosmetics

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

oggdec: remove unused variables

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  dsputilenc: x86: Convert pixel inline asm to yasm
  libgsm: detect libgsm header path

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

Merge commit 'ce378f0dd0c4e5350b3280e6b3e8d6b46fe4b0a3'

* commit 'ce378f0dd0c4e5350b3280e6b3e8d6b46fe4b0a3':
  fate: Use wmv2 IDCT for wmv2 tests
  vorbisdsp: change block_size type from int to intptr_t.

Conflicts:
tests/fate-run.sh
tests/fate/vcodec.mak

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

afade filter

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

Merge commit '93af2734ee609133eaeca28329d7f13241dd411f'

* commit '93af2734ee609133eaeca28329d7f13241dd411f':
  lavc: put FF_IDCT_{VP3,H264,CAVS,BINK,EA,WMV2} under FF_API_IDCT.

Conflicts:
libavcodec/version.h

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

Merge commit 'e6bc38fd49c94726b45d5d5cc2b756ad8ec49ee0'

* commit 'e6bc38fd49c94726b45d5d5cc2b756ad8ec49ee0':
  wmv2: move IDCT to its own DSP context.

Conflicts:
libavcodec/dsputil.h
tests/ref/seek/vsynth2-wmv2
tests/ref/vsynth/vsynth1-wmv2
tests/ref/vsynth/vsynth2-wmv2

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

avidec: use sensible error codes instead of -1

Use AVERROR_INVALIDDATA on invalid inputs, and AVERROR_EOF when no more
frames are available in an interleaved AVI.

Signed-off-by: Jindrich Makovicka <makovick@gmail.com>
Signed-off-by: Diego Biurrun <diego@biurrun.de>

Merge commit '8a4f26206d7914eaf2903954ce97cb7686933382'

* commit '8a4f26206d7914eaf2903954ce97cb7686933382':
  dsputil: remove butterflies_float_interleave.
  srtp: Move a variable to a local scope
  srtp: Add tests for the crypto suite with 32/80 bit HMAC

Conflicts:
libavcodec/x86/dsputil.asm
libavcodec/x86/dsputil_mmx.c

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

Merge commit '3ef6d22e1ba544ab37c73e8fc61382f13aac250f'

* commit '3ef6d22e1ba544ab37c73e8fc61382f13aac250f':
  srtp: cosmetics: Use fewer lines for the test vectors
  srtp: Don't require more input data than what actually is needed

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

Merge commit 'a2a991b2ddf951454ffceb7bcedc9db93e26c610'

* commit 'a2a991b2ddf951454ffceb7bcedc9db93e26c610':
  srtp: Improve the minimum encryption buffer size check
  srtp: Add support for a few DTLS-SRTP related crypto suites

Conflicts:
libavformat/version.h

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

Merge commit 'f53490cc0c809975f8238d5a9edbd26f83bd2f84'

* commit 'f53490cc0c809975f8238d5a9edbd26f83bd2f84':
  rtpdec/srtp: Handle CSRC fields being present
  rtpdec: Check the return value from av_new_packet
  ac3dec: fix non-optimal dithering of zero bit mantissas

Conflicts:
libavcodec/ac3dec.c
libavformat/rtpdec.c

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

ac3dec: fix non-optimal dithering of zero bit mantissas

Use a noise range of -0.707 to 0.707 instead of -0.5 to 0.5

Based on patch by: Mathias Rauen <madshi@gmail.com> and commit by Justin Ruggles (04ea5491)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'd9bf716945046333c24580d538f450b516f15710'

* commit 'd9bf716945046333c24580d538f450b516f15710':
  ppc: vorbisdsp: Drop some unnecessary #includes
  avconv: Increase the SDP buffer size to fit xiph SDPs

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

Merge commit 'c6f1dc8e4cd967ae056698eafb891a08003c211c'

* commit 'c6f1dc8e4cd967ae056698eafb891a08003c211c':
  rtpdec: Move setting the parsing flags to the actual depacketizers
  rtpdec: Split handling of mpeg12 audio/video to a separate depacketizer

Conflicts:
libavformat/rtpdec.c

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

Merge commit '2326558d5277ec87ba6d607a01ec6acfc51c694c'

* commit '2326558d5277ec87ba6d607a01ec6acfc51c694c':
  rtpdec: Split mpegts parsing to a normal depacketizer
  rtpdec: Reorder payload handler registration alphabetically

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

Merge commit 'a717f9904227d7979473bad40c50eb40af41d01d'

* commit 'a717f9904227d7979473bad40c50eb40af41d01d':
  mpegts: Share the cleanup code between the demuxer and lavf-internal parser functions
  rtpdec_mpeg4: Return one AAC AU per AVPacket
  ppc: Include string.h for memset

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

Merge commit '68f18f03519ae550e25cf12661172641e9f0eaca'

* commit '68f18f03519ae550e25cf12661172641e9f0eaca':
  videodsp_armv5te: remove #if HAVE_ARMV5TE_EXTERNAL
  dsputil: drop non-compliant "fast" qpel mc functions
  get_bits: change the failure condition in init_get_bits

Conflicts:
libavcodec/get_bits.h

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

EVRC decoder

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

dsputilenc: x86: Convert pixel inline asm to yasm

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

libgsm: detect libgsm header path

Libgsm header can reside either in the base include dir or in
the gsm subdir.

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

fate: Use wmv2 IDCT for wmv2 tests

vorbisdsp: change block_size type from int to intptr_t.

This saves one instruction in the x86-64 assembly.

lavc: put FF_IDCT_{VP3,H264,CAVS,BINK,EA,WMV2} under FF_API_IDCT.

This allows us to get rid of them on the next major bump. All of the
above are functionally irrelevant, and most of them are unused, except
the vp3 one, which is used wrongly in the bfin arch optimizations.

wmv2: move IDCT to its own DSP context.

This allows us to remove FF_IDCT_WMV2, which serves no practical purpose
other than to be able to select the WMV2 IDCT for MPEG (or vice versa)
and get corrupt output.

Fate tests for all wmv2-related tests change, because (for some obscure
reason) they forced use of the MPEG IDCT. You would get the same changes
previously by not using -idct simple in the fate test (or replacing it
with -idct auto).

dsputil: remove butterflies_float_interleave.

The function is unused.

oggdec: #if 0 disabled code

Fixes CID968589
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

fix memory leak on string reassign

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Fixes CID968584 and CID968585

swr: support first_pts

Trolled-by: Daemon404
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

lavfi: fix null checking in avfilter_config_links()

Move the first use of `link' after the null pointer check.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Clarify that the recommended audio squeezing/stretching filter is aresample.

Fixes ticket #2036.

srtp: Move a variable to a local scope

This simplifies the code slightly.

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

srtp: cosmetics: Use fewer lines for the test vectors

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

srtp: Improve the minimum encryption buffer size check

This clarifies where the limit number comes from, and only
requires exactly as much padding space as will be needed.

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

srtp: Add tests for the crypto suite with 32/80 bit HMAC

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

srtp: Don't require more input data than what actually is needed

The theoretical minimum for a (not totally well formed) RTCP packet
is 8 bytes, so we shouldn't require 12 bytes as minimum input.

Also return AVERROR_INVALIDDATA instead of 0 if something that is
not a proper packet is given.

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

srtp: Add support for a few DTLS-SRTP related crypto suites

The main difference to the existing suites from RFC 4568 is
that the version with a 32 bit HMAC still uses 80 bit HMAC
for RTCP packets.

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

rtpdec/srtp: Handle CSRC fields being present

This is untested in practice, but follows the spec.

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

rtpdec: Check the return value from av_new_packet

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

cafdec: fix overflow checking in read_header()

Several compilers such as clang/icc/pathscale will optimize the check
pos + size < pos (assuming size > 0) into false, since signed integer
overflow is undefined behavior in C.  This breaks overflow checking.
Use a safe precondition check instead.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

wtvdec: fix integer overflow

Fixes CID968583
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ac3dec: fix non-optimal dithering of zero bit mantissas

Use a noise range of -0.707 to 0.707 instead of -0.5 to 0.5

Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

h264/ff_generate_sliding_window_mmcos: fix use of uninitialized variable

Fixes CID968587
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

h264: print mismatching opcode details in check_opcodes()

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

h264: fix use of uninitialized variable

Fixed CID968588

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

theora: support midstream reconfiguration

Fixes Ticket868

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

oggdec: Support chained streams, support replacing streams in multistream files.

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

Changelog

ppc: vorbisdsp: Drop some unnecessary #includes

Also fixes compilation with AltiVec disabled.

avconv: Increase the SDP buffer size to fit xiph SDPs

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

rtpdec: Move setting the parsing flags to the actual depacketizers

This gets rid of almost all the codec specific details from the
generic rtpdec code.

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

rtpdec: Split handling of mpeg12 audio/video to a separate depacketizer

This also adds checking of mallocs.

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

rtpdec: Split mpegts parsing to a normal depacketizer

This gets rid of a number of special cases from the common rtpdec
code.

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

rtpdec: Reorder payload handler registration alphabetically

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

vc1dec: add assert to impossible *_valid combination.

This also fixes a warning about uninitialized variables

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

mpegts: Share the cleanup code between the demuxer and lavf-internal parser functions

The lavf-internal parser functions are used when receiving
mpegts over RTP. This fixes memory leaks in this setup.

The normal mpegts demuxer close function was updated in ec7d0d2e in
2004 to fix leaks, but the parsing function used for RTP wasn't
updated and has been leaking ever since.

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

rtpdec_mpeg4: Return one AAC AU per AVPacket

This makes the returned data valid to stream copy into other
containers as well, not only for decoding straight away.

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

ppc: Include string.h for memset

This fixes build failures on ppc machines with a compiler that
supports -Werror=implicit-function-declaration.

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

swr: fix "may be used uninitialized in this function" warnings

The uninitialized use implicates 0 channels, which is unlikely
to reach this function but fixed anyway in this commit.

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

videodsp_armv5te: remove #if HAVE_ARMV5TE_EXTERNAL

libavutil/arm/asm.S sets '.arch' depending on HAVE_ARMV5TE so that
assembling armv5te code will always succeed even if the default -march
flag does not support it. HAVE_ARMV5TE_EXTERNAL tests assembling code
with the default arch.
Fixes the missing symbol ff_prefetch_arm with --cpu= not including
armv5te.

CC: libav-stable@libav.org

h264: Only apply error concealment if theres a frame

Without any correctly decoded slices, there can be no frame.

Fixes out of array reads

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

dsputil: drop non-compliant "fast" qpel mc functions

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