riff: check for eof if chunk size and code are 0

Prevent an infinite loop.

Inspired by a patch from Michael Niedermayer

CC: libav-stable@libav.org

Signed-off-by: Diego Biurrun <diego@biurrun.de>
riff: Move guid structs and helper functions into riff

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
riff: Perform full lookup on WAVEFORMATEXTENSIBLE subformat guid

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
riff: Add ACTRAC3+ guid

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
riff: Factor out WAVEFORMATEX parsing

Makes the code simpler to follow.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
afifo: fix request_samples on the last frame in certain cases

The current code can fail to return the last frame if it contains
exactly the requested number of samples.

Fixes the join filter test, which previously did not include the last
408 samples in most cases.

CC:libav-stable@libav.org

Signed-off-by: Diego Biurrun <diego@biurrun.de>
x86: Remove some duplicate function declarations
x86: cavs: Put mmx-specific code into its own init function

Before, this code was labeled as mmxext and enabled both for the
3dnow and the mmxext case.
Merge commit '8e329dba378cef0ff6400c7df9c51da167d5a1f0'

* commit '8e329dba378cef0ff6400c7df9c51da167d5a1f0':
  riff: check for eof if chunk size and code are 0

Merged-by: Michael Niedermayer <michaelni@gmx.at>
h264: Drop unused variable
mxfenc: Use correct printf format specifier for int64_t

libavformat/mxfenc.c:1861:9: warning: format '%lld' expects argument of type 'long long int', but argument 5 has type 'int64_t' [-Wformat]
x86: cavs: Refactor duplicate dspfunc macro
sh4: Remove dubious aligned dsputil code

The code represents a considerable maintenance burden and it is not
clear that it gives a noticeable benefit to outweigh this after 10
years of improvements in compiler technology since its creation.
Merge commit 'e544782623caf1eb4b2429e9c4f35d6b627accba'

* commit 'e544782623caf1eb4b2429e9c4f35d6b627accba':
  riff: Move guid structs and helper functions into riff

Conflicts:
	libavformat/asf.h
	libavformat/riff.c
	libavformat/wtv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'a3bf80a5aea577663354bd538e345b283bcb73de'

* commit 'a3bf80a5aea577663354bd538e345b283bcb73de':
  riff: Perform full lookup on WAVEFORMATEXTENSIBLE subformat guid

Conflicts:
	libavformat/riff.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '516089d5d86b6809a9458f9cf171f2bc9a8e2a25'

* commit '516089d5d86b6809a9458f9cf171f2bc9a8e2a25':
  riff: Add ACTRAC3+ guid

No change, this commit was in ffmpeg already with this formating

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'b845f5e97b655de0a191f736594777fec9754cf5'

* commit 'b845f5e97b655de0a191f736594777fec9754cf5':
  riff: Factor out WAVEFORMATEX parsing

Conflicts:
	libavformat/riff.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '9bfc6e02bae9de354fb9ba09a8a140e83eeadf7d'

* commit '9bfc6e02bae9de354fb9ba09a8a140e83eeadf7d':
  afifo: fix request_samples on the last frame in certain cases

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  x86: Remove some duplicate function declarations

Merged-by: Michael Niedermayer <michaelni@gmx.at>
doc/filters: add examples for stereo3d

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