examples/muxing: check on frame

Fix crash in case frame is not defined (e.g. with muxing out.wav).

examples/muxing: fix bogus setting of st->id

examples/muxing: remove misleading comment about pending API change

The API was never changed since 2003. Replace with a comment about the
performed operation.

examples/muxing: remove video_outbuf unused and useless code

lavfi/avf_concat: fix invalid exclusive test.

The invalid test did not cause any actual problem since
the first branch is only possible with bogus filters.

Fix coverity issue CID 733850.

tiff: run strlen() after setting the pointer

Fixes CID733803
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffmdec: check av_new_packet() return value

Fixes CID733711
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffmdec: fix hypothetical overflows

Fixes CID703739
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffm_read_write_index: check lseek return code

Fixes CID732184
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffm_write_write_index: check lseek() return code

Fixes CID732185
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffm_seek: fix division by zero

Fixes CID732202
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/lavfutils: remove useless NULL check on format context

Fixes: CID733804
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/lavfutils: remove useless NULL check on codec context

The code would crash before if it was NULL

Fixes CID733804
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mov_probe: fix integer overflows

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

idcinvideo: remove redundant "  id CIN Video: " from av_log()

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  configure: Add support for Tilera processors
  wavdec: check size before reading the data, not after.

Conflicts:
configure

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

Merge commit '79922d7237aba2b8c6abbd2e06a0c08e4f498ad4'

* commit '79922d7237aba2b8c6abbd2e06a0c08e4f498ad4':
  wav: do not fail on empty INFO tags

Conflicts:
libavformat/wavdec.c

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

Merge commit '31c54711cc3f1484af101d629bbb805820d37ad1'

* commit '31c54711cc3f1484af101d629bbb805820d37ad1':
  lavf: split wav muxer and demuxer into separate files.

Conflicts:
libavformat/wavdec.c

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

Merge commit '58b619c8a226cc4564ad5af291bc99a04f89ee56'

* commit '58b619c8a226cc4564ad5af291bc99a04f89ee56':
  wav muxer: write metadata

Conflicts:
Changelog
libavformat/version.h

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

Merge commit '0bca0283ccded5e32da143a462168ad1988a58fd'

* commit '0bca0283ccded5e32da143a462168ad1988a58fd':
  riff: do not write empty INFO tags

Conflicts:
tests/ref/fate/vsynth1-cljr
tests/ref/fate/vsynth1-ffvhuff
tests/ref/fate/vsynth1-h261
tests/ref/fate/vsynth1-h263
tests/ref/fate/vsynth1-h263-obmc
tests/ref/fate/vsynth1-h263p
tests/ref/fate/vsynth1-huffyuv
tests/ref/fate/vsynth1-jpegls
tests/ref/fate/vsynth1-mjpeg
tests/ref/fate/vsynth1-mpeg4-adap
tests/ref/fate/vsynth1-mpeg4-adv
tests/ref/fate/vsynth1-mpeg4-error
tests/ref/fate/vsynth1-mpeg4-nr
tests/ref/fate/vsynth1-mpeg4-qpel
tests/ref/fate/vsynth1-mpeg4-qprd
tests/ref/fate/vsynth1-mpeg4-rc
tests/ref/fate/vsynth1-mpeg4-thread
tests/ref/fate/vsynth1-msmpeg4
tests/ref/fate/vsynth1-msmpeg4v2
tests/ref/fate/vsynth1-rgb
tests/ref/fate/vsynth1-wmv1
tests/ref/fate/vsynth1-wmv2
tests/ref/fate/vsynth1-yuv
tests/ref/fate/vsynth2-cljr
tests/ref/fate/vsynth2-ffvhuff
tests/ref/fate/vsynth2-h261
tests/ref/fate/vsynth2-h263
tests/ref/fate/vsynth2-h263-obmc
tests/ref/fate/vsynth2-h263p
tests/ref/fate/vsynth2-huffyuv
tests/ref/fate/vsynth2-jpegls
tests/ref/fate/vsynth2-mjpeg
tests/ref/fate/vsynth2-mpeg4-adap
tests/ref/fate/vsynth2-mpeg4-error
tests/ref/fate/vsynth2-mpeg4-nr
tests/ref/fate/vsynth2-mpeg4-qpel
tests/ref/fate/vsynth2-mpeg4-qprd
tests/ref/fate/vsynth2-mpeg4-rc
tests/ref/fate/vsynth2-mpeg4-thread
tests/ref/fate/vsynth2-msmpeg4
tests/ref/fate/vsynth2-msmpeg4v2
tests/ref/fate/vsynth2-rgb
tests/ref/fate/vsynth2-wmv1
tests/ref/fate/vsynth2-wmv2
tests/ref/fate/vsynth2-yuv
tests/ref/lavf/avi
tests/ref/seek/h261_avi
tests/ref/seek/h263_avi
tests/ref/seek/h263p_avi
tests/ref/seek/lavf_avi
tests/ref/seek/mjpeg_avi
tests/ref/seek/mpeg4_adap_avi
tests/ref/seek/mpeg4_error_avi
tests/ref/seek/mpeg4_nr_avi
tests/ref/seek/mpeg4_qpel_avi
tests/ref/seek/mpeg4_qprd_avi
tests/ref/seek/mpeg4_rc_avi
tests/ref/seek/mpeg4_thread_avi
tests/ref/seek/msmpeg4_avi
tests/ref/seek/msmpeg4v2_avi
tests/ref/seek/wmv1_avi
tests/ref/seek/wmv2_avi

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

Merge commit '71e92414bfd79e56ea6fff174a665ff7b9b86e68'

* commit '71e92414bfd79e56ea6fff174a665ff7b9b86e68':
  lavf: move RIFF INFO tag writing from avienc to riff
  avconv: fix disabling auto mappings with -map_metadata

Conflicts:
ffmpeg_opt.c
libavformat/riff.h

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

Merge commit 'a25d912dca9cd553440167e0476c47581359c0fc'

* commit 'a25d912dca9cd553440167e0476c47581359c0fc':
  avcodec_encode_audio(): fix invalid free
  pcm-mpeg: correct bitrate calculation
  ffv1: K&R formatting cosmetics
  fate: Add rangecoder test
  network: #include stdint.h in network.h
  nut: export codec_tag provided by rawvideo
  avserver: move avserver-specific code from ffmdec.c to avserver.c

Conflicts:
ffserver.c
libavcodec/ffv1.c
libavformat/ffmdec.c
libavformat/nutenc.c
tests/ref/lavfi/crop
tests/ref/lavfi/crop_scale
tests/ref/lavfi/crop_scale_vflip
tests/ref/lavfi/crop_vflip
tests/ref/lavfi/null
tests/ref/lavfi/pixdesc
tests/ref/lavfi/pixfmts_copy
tests/ref/lavfi/pixfmts_crop
tests/ref/lavfi/pixfmts_hflip
tests/ref/lavfi/pixfmts_null
tests/ref/lavfi/pixfmts_pad
tests/ref/lavfi/pixfmts_scale
tests/ref/lavfi/pixfmts_vflip
tests/ref/lavfi/scale200
tests/ref/lavfi/scale500
tests/ref/lavfi/vflip
tests/ref/lavfi/vflip_crop
tests/ref/lavfi/vflip_vflip

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

lavc/tta: use meaningful error codes

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

tta: datalen is unsigned integer per reference library

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

sws-test: parse command line args before initing contexts

This fixes parsing comand line args after ref

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

lavf/swfdec: support DefineBitsLossless{,2} tag.

ffv1: fix packed rgb with 1.3

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

mov: fix time types related to mov_metadata_creation_time

Fixes Ticket1817
Based on patch by: Przemyslaw Wesolek <przemyslaw.wesolek@go.art.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

examples/muxing: fix video pts

Fixes Ticket1801
Based on suggestion from AztecC
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

configure: Add support for Tilera processors

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

lavfi: limit matching w/h/fmt asserts to non scale filters

This fixes a regression with the scale filters input changing.
In the long run filters should get a flag to indicate support of this
and then this flag be used here.
But the regression should not be left standing until thats done.

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

libavfilter/buffersrc: Do not fail hard on changes of input parameters.

Several filters support this already.

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

ffmpeg: Make video filter graph reinit user selectable

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

yuvPlanartouyvy_c: fix sign extension

Fixes CID732281
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

yuvPlanartoyuy2_c: fix sign extension

Fixes CID732282
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mp3enc: remove unneeded null ptr check

Fixes: CID733746
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mov: print warning if ff_get_wav_header() fails

Fixes CID717497
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

sierravmd: flip reduce arg order.

This should make no difference but might help static analyzers

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

nut: fix int32 overflow

Fixes CID700574
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

riff: fix division by zero for G726

Fixes CID717752
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

swr-test: fix division by 0

Fixes CID733739
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

swr-test: check pointers before use

Fixes: CID733807, CID733806
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

wavdec: check size before reading the data, not after.

wav: do not fail on empty INFO tags

Fixes Bug 379

CC: libav-stable@libav.org

lavf: split wav muxer and demuxer into separate files.

wav muxer: write metadata

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

riff: do not write empty INFO tags

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

lavf: move RIFF INFO tag writing from avienc to riff

It will be useful in the wav muxer.

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

avconv: fix disabling auto mappings with -map_metadata

CC: libav-stable@libav.org

avcodec_encode_audio(): fix invalid free

Since 2bc0de385, AVFrame needs to be initialized
before calling avcodec_get_frame_defaults().

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

pcm-mpeg: correct bitrate calculation

Bitrate calculation is off since the bluray spec always specifies
an even number of coded channels. This was honored in the decoder,
but not for bitrate calculation.

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

ffv1: K&R formatting cosmetics

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

fate: Add rangecoder test

network: #include stdint.h in network.h

This header uses various types provided by stdint.h without
explicitly including it.

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

nut: export codec_tag provided by rawvideo

Raw audio does not provide valid audio tags while rawvideo does.
The fate refs have to be updated because it undoes the previous tag
change.

avserver: move avserver-specific code from ffmdec.c to avserver.c

This way avserver only depends on the data structures of the ffm
demuxer, which it already does, and not also on private functions
being exported by the library.

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  build: simplify linking tools with cmdutils.o
  tiny_psnr: fix range calculation for sample size of 32 bits

Conflicts:
Makefile
tests/tiny_psnr.c

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

Merge commit '3dc06b6972cf389269e9c36ff0a4373f80f7149b'

* commit '3dc06b6972cf389269e9c36ff0a4373f80f7149b':
  tiny_psnr: check for specified sample size less than 1
  fate: improve md5sum utility selection
  rangecoder-test: Drop timer output that clutters stderr

Conflicts:
tests/tiny_psnr.c

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

Merge commit 'c1fcfdec75468009dc7de29a5d1c6adf3b2ef77d'

* commit 'c1fcfdec75468009dc7de29a5d1c6adf3b2ef77d':
  rangecoder-test: Return in case of an error
  build: simplify enabling of compat objects

Conflicts:
configure
libavutil/Makefile

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

tools/ffeval: do not use UNIX-specific /dev/std{in,out} files

Should fix behavior when the /dev/ directory is not defined (e.g. on
Windows).

examples: add README file with simple compilation instructions

Merge commit '66a1ccd7467ab1913cd8877114c6d4c2588bb12f'

* commit '66a1ccd7467ab1913cd8877114c6d4c2588bb12f':
  configure: simplify argument handling in check_ld

Conflicts:
configure

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

Merge commit '4c995fafd861f537360b3717901cdbed6a6844e7'

* commit '4c995fafd861f537360b3717901cdbed6a6844e7':
  configure: simplify get_version() function
  build: support asan and tsan toolchain shortcuts
  rmdec: Move SIPR code shared with Matroska demuxer to a separate file

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

gitignore: add *.dylib for those of us on Darwin/OS X systems.

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

mandelbrot: fix inner=period coloring routine

Fixes CID717571
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

x86/motion_est: widen before multiply.

This fixes CID700558, CID700557, CID700556
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mxfenc: explicitly truncate continuity count.

The field is intended to overflow and have only its low 16bits stored.
This commit avoids the implicit truncation and clarifies that its
intended and not a bug

S326m section 7.6 ("Continuity count"):
> The continuity count word consists of 2 bytes allow-
> ing a number to be created by a modulo 65536
> counter (bits C15 to C0 in figure 7). The continuity
> count shall increment by 1 for each newly transmit-
> ted content package with the same SDTI source and
> destination addresses. The continuity count may
> be used to detect whether the content package
> sequence has been broken by an operation such as
> a routing switch.

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

msvideo1enc: fix interframe encoding

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

ffmpeg: Override r_frame_rate by corrected timebase only for interlaced streams

Fixes Ticket1664

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

utils: consider mpeg4 in mp4/mov to have a unreliable timebase

Partly fixes Ticket1664

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

ra288: assert order to be withinn supported range in do_hybrid_window()

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

msvideo1enc: fix initial keyframe value

keyframe was never set to anything but 1

Fixes CID733730
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

build: simplify linking tools with cmdutils.o

This avoids repeating cmdutils.o in both the prerequisites and
the link command.

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

tiny_psnr: fix range calculation for sample size of 32 bits

For a sample size of 32 bits, the shift would overflow producing
undefined results.  Incidentally, in the only test currently using
32-bit samples, the output matches the reference exactly on most
systems meaning the bad 'max' value is never used.

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

tiny_psnr: check for specified sample size less than 1

A zero or negative sample size is impossible and should be
reported as an error.

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

lavfi/ass: extend syntax for ass filter

Make the filter accept named options for the first argument, and update
documentation accordingly.

fate: improve md5sum utility selection

The 'md5sum' command is used with the -b flag so the presence test
must also use this flag.

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

tools/ffeval: include compat/getopt.c in case of missing system getopt()

examples/muxing: extend usage notice

Merge branch 'docu' of https://github.com/rdp/FFmpeg

* 'docu' of https://github.com/rdp/FFmpeg:
  docu: add word resize to scale filter, to make searching for the word resize simpler
  docu: change verb flite
  docu: add flite ffmpeg example
  docu: fix flite example

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

rangecoder-test: Drop timer output that clutters stderr

rangecoder-test: Return in case of an error

ffmpeg: check timebase validity before using it.

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

doc/filters: pad examples should be a @subsection

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

docu: add word resize to scale filter, to make searching for the word resize simpler

Signed-off-by: rogerdpack <rogerpack2005@gmail.com>

docu: change verb flite

Signed-off-by: rogerdpack <rogerpack2005@gmail.com>

docu: add flite ffmpeg example

Signed-off-by: rogerdpack <rogerpack2005@gmail.com>

docu: fix flite example

Signed-off-by: rogerdpack <rogerpack2005@gmail.com>

lavf/audiointerleave: check return value of av_new_packet()

Fixes CID733709.

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

nutdec: check return value of av_new_packet()

Fixes CID733173.

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

dv: Set FS flag from AVFrame.top_field_first

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

dvdec: Set top_field_first from FS flag

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

dvdec: Move the VSC pack parsing to before avctx->execute()

This allows the next commit to parse the FS flag.

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

rawdec.c: Extract interlace information from quicktime flag if it exisits.

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

build: simplify enabling of compat objects

Add a configure function to pull in a compat object and set up
redirects in one operation.  This avoids duplicating conditions
across configure and makefiles.

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

configure: simplify argument handling in check_ld

Use the existing filter functions instead of open-coding the
separation of general flags and libraries.

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

configure: simplify get_version() function

awk alone can do this, no need for grep.

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

build: support asan and tsan toolchain shortcuts

flvdec: check return value of create_stream()

Fixes null pointer dereference. Fixes CID732242.

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

idcin: check chunk_size value before using it

Fixes integer overflow. Fixes CID732223.

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