Allow to select specific documentation components, and reliably check for
component dependencies.

In particular, check for perl presence on the system.

This is a port of the MPlayer hue filter (libmpcodecs/vf_hue.c) by
Michael Niedermayer.
Signed-off-by: Jérémy Tran <tran.jeremy.av@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

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

Fixes Ticket1503
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes Ticket1435
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Allow iteration over filter options.

The script was previously run with perl -w through the shebang
command. Now that the script is executed through direct perl invocation
the -w in the shebang command is ignored. This patch re-enables "use
warnings" whatever way the script is invoked.
Idea-By: jamal <jamrial@gmail.com>

About 30% faster on 32 bit Atom, 120% faster on 64 bit Phenom2.
This is interesting because supporting P16 is easier in e.g.
OpenGL (can misuse support for any 2-component 8 bit format),
whereas supporting p9/p10 without conversion needs a texture
format with at least 14 bits actual precision.
The shiftonly == 0 case is not optimized since the code is more
complex and the speed gain less obvious.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

Fixes Ticket1508
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

This is in preparation for adding support for other colorspaces
and coding types.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

It appears this function is not available everywhere
Should fix Ticket1525
Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

AALP(AALP001) tag is present in 32bpp files encoded with avid codecs
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

This also changes behavior as the descriptor table is more complete than
the switch/case it replaces. As well as considering all non video as
intra only
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This can be used to avoid a time consuming lookup of the
descriptor
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  lavf: Detect discontinuities in timestamps for framerate/analyzeduration calculation
  lavf: Initialize the stream info timestamps in avformat_new_stream
  id3v2: Match PIC mimetype/format case-insensitively
  configure: Rename check_asm() to more fitting check_inline_asm()
  fate: Only test enabled filters
  avresample: De-doxygenize some comments where Doxygen is not appropriate
  rtmp: split chunk_size var into in_chunk_size and out_chunk_size
  rtmp: Factorize the code by adding find_tracked_method

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

If the dts difference is more than 1000 times the average dts
difference, restart the analysis.
Signed-off-by: Martin Storsjö <martin@martin.st>

These are normally initialized to AV_NOPTS_VALUE at the start
of avformat_find_stream_info, but if a new stream is found while
this function is running (e.g. like in mpegts), the newly added
AVStreams didn't have these values properly initalized, leading
to avformat_find_stream_info terminating too soon (when the
first timestamps are far from 0).
Signed-off-by: Martin Storsjö <martin@martin.st>

Some files' embedded art seems to have the mimetype 'image/JPG' instead
of 'image/jpg'. Libav fails to parse those because it matches
case-sensitively.

Use av_strncasecmp() to fix this behaviour.
Signed-off-by: Mohammad Alsaleh <msal@tormail.org>
Signed-off-by: Anton Khirnov <anton@khirnov.net>

Fixes Ticket1506
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Fixes Ticket1627

The fate change is due to ffmpeg no longer pushing audio timestamps
aggressively up (which is what caused the AV sync issues in the ticket)
but leaving them as they are.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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 fixes running FATE without --enable-gpl.

Fixes Ticket1477
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

* qatar/master:
  lavf: simplify is_intra_only() by using codec descriptors.
  lavc: add an intra-only codec property.
  lavc: add codec descriptors.
  lavc: fix mixing CODEC_ID/AV_CODEC_ID in C++ code.
  dict: move struct AVDictionary definition to dict.c
  dict: add av_dict_count()

Conflicts:
	doc/APIchanges
	libavcodec/old_codec_ids.h
	libavformat/utils.c
	libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

Also fix the bytestream reader size parameter to take the
offset into account.
Signed-off-by: Martin Storsjö <martin@martin.st>