Filters now use null pointers to indicate having no input/output pads,
rather than empty lists of pads. We can't assume pad is non-null
anymore.
Signed-off-by: Bobby Bingham <uhmmmm@gmail.com>

Signed-off-by: Bobby Bingham <uhmmmm@gmail.com>

Fixes Ticket1742

Based on patch by: Nikola Vranic <nikola.vranic@rt-rk.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This info is crucial in knowing which stream to pick in an
automated setup.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

This avoid a crash when the filter fails before config_input(),
typically with a syntax error in the next filter:
    select=gt(scene\,.4),select=fail

warning C4554: '>>' : check operator precedence for possible error; use parentheses to clarify precedence

Reviewed-by: Derek Buitenhuis

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

before they could become 33 bits
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

fixes compile failure

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

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

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

* qatar/master:
  flvenc: silence bogus warning
  configure: include flags in nm variable
  alsdec: fix misplaced parentheses.
  alsdec: check return values.
  alsdec: fix number of decoded samples in first sub-block in BGMC mode.
  alsdec: Fix out of ltp_gain_values read.
  alsdec: Check that quantized parcor coeffs are within range.
  alsdec: check opt_order.

Conflicts:
	configure
	libavcodec/alsdec.c
	libavformat/flvenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '23aae62c':
  alsdec: Check k used for rice decoder.
  avfiltergraph: silence an uninitialized variable warning
  xsubenc: reindent
  lavc: replace AVCodecContext.encode with subtitle-specific callback
  lavc: add const to private codec class initialization.
  avconv: don't pass a bogus parameter to avfilter_graph_create_filter().
  id3v2: strdup the genre name explicitly.
  lavf/id3v2: do not export empty fields.
  buffersrc: add const to the AVFrame* argument of av_buffersrc_write_frame()
  lavfi: replace empty input/output lists with null pointers

Conflicts:
	ffmpeg_filter.c
	libavcodec/alsdec.c
	libavcodec/dvdsubenc.c
	libavcodec/utils.c
	libavcodec/v210dec.h
	libavfilter/af_channelsplit.c
	libavfilter/avfiltergraph.c
	libavfilter/buffersrc.c
	libavfilter/src_movie.c
	libavfilter/vf_ass.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

The compiler fails to figure out that enc->codec_type can only
have 3 different values.
Thus when an if/else is encountered it triggers on the possibility
of the else case has not initialized the flags variable.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Signed-off-by: Bobby Bingham <uhmmmm@gmail.com>

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

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

they keep showing up if i grep for non av assert()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

gcc produces binary identical output relative to before this change
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This simplifies ensuring proper flags are used when the default
is overridden by the system or on the command line.
Signed-off-by: Mans Rullgard <mans@mansr.com>

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

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

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

This also fixes a potential crash since s->pb can be NULL.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

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

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

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

Fixes CVE-2012-2790

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

ALS spec:
	11.6.3.1.1 Quantization and encoding of parcor coefficients
	...
	In all cases the resulting quantized values ak are restricted to the range [-64,63].

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

Values that fail this check will cause failure of decode_rice()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

Fixes out of array write in quant_cof.
Also make sure no invalid opt_order stays in the context.

Fixes CVE-2012-2775

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

The warning is:
libavfilter/avfiltergraph.c: In function ‘avfilter_graph_config’:
libavfilter/avfiltergraph.c:528:9: warning: ‘best_idx’ may be used uninitialized in this function [-Wuninitialized]
libavfilter/avfiltergraph.c:479:13: note: ‘best_idx’ was declared here

Initialize it to an invalid value and add an assert that it's properly
set later.

AVCodecContext.encode is currently used only for subtitles, encode2 is
used for audio and video.

Silences a warning about discarding const.

The buffer sink does not take any parameters.

Fixes an uninitialized variable warning.