compared to qsort this is slower but its stable and doesnt have a O(n^2) worst
case
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

about 2-5 times faster than gnu libcs qsort()
And should be 100% binary identical across platforms.

I will bump the version once the API is certainly stable and
everyone is happy with the API.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This avoids the "Output file is empty" warning
with subtitles-only files.

Signed-off-by: Michael Bradshaw <mbradshaw@sorensonmedia.com>

Fixes ticket #1215

* cus/stable:
  ffplay: fix -vismv 1
  ffplay: rename buffer source instance from "src" to "ffplay_buffer"
  ffplay: use key=val syntax for the buffersrc args
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  amr: Cosmetic cleanup
  mov_chan: Fix operator precedence by adding parentheses
  doc: Add missing protocols to list of supported protocols.
  tcp: Check the listen call

Conflicts:
	libavformat/amr.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Marton Balint <cus@passwd.hu>

The new name is more descriptive.
Signed-off-by: Marton Balint <cus@passwd.hu>

Fix warning:
[src @ ...] Flat options syntax is deprecated, use key=value pairs.
Signed-off-by: Marton Balint <cus@passwd.hu>

Fixes ticket1403
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This should fix --enable-hardcoded-tables
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Add spaces around operators, fix brace placement and whitespace to
match K&R style, vertically align code, remove redundant != 0 and
convert x == 0 into !x, drop useless braces.
Signed-off-by: Martin Storsjö <martin@martin.st>

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: Martin Storsjö <martin@martin.st>

While here:
    - add missing .version and .category,
    - make .class_name consistent across filters,
    - align declarations.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Fixes Ticket1292
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Add atempo audio filter for adjusting audio tempo without affecting
pitch. This filter implements WSOLA algorithm with fast cross
correlation calculation in frequency domain.
Signed-off-by: Pavel Koshevoy <pavel@homestead.aragog.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

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

This can happen if a application doesnt use ffmpegs configure
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Saves few bytes if only some of them in same file are enabled.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Defining restrict results - for some compilers - in changing other
uses of the restrict keyword also, e.g. __declspec(restrict) gets
changed to __declspec(__restrict) on MSVC. This causes compilation
failures. Therefore, using a private namespace macro instead is
more reliable and robust.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  flacdec: read attached pictures.
  lavf: don't segfault when a NULL filename is passed to avformat_open_input()
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This might fix Ticket1412
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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