Yorkfield:
 - mmx2: 2.45x (279 vs. 114 cycles)
 - sse2: 3.36x (279 vs.  83 cycles)

Nehalem:
 - mmx2: 2.10x (192 vs.  92 cycles)
 - sse2: 2.84x (192 vs.  68 cycles)

Skylake:
 - mmx2: 1.75x (170 vs.  97 cycles)
 - sse2: 2.47x (170 vs.  69 cycles)
 - avx:  2.47x (170 vs.  69 cycles)

Fixes CID1396851.

Also use av_mallocz_array().

Fixes CID1396839.

Fixes ticket #5997.

Signed-off-by: Thomas Turner <thomastdt@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: Mark Thompson <sw@jkqxz.net>

Signed-off-by: Mark Thompson <sw@jkqxz.net>

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

Fixes #5992, reported and found by Paul Cher <paulcher@icloud.com>.

Only works if packed headers are supported, where we can know the
output before generating the first frame.

(cherry picked from commit 0cf86fab)

av_find_stream_info() was deprecated by avformat_find_stream_info(),
correct the warning message in the avformat_find_stream_info() and
comments in the avformat.h

Signed-off-by: Jun Zhao <jun.zhao@intel.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes out of array access

Fixes: poc_ffserver.py
Found-by: Paul Cher <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

This should make it less ambigous that these are URLs

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes out of array access

Found-by: Paul Cher <paulcher@icloud.com>
Reviewed-by: Paul Cher <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes CID1396857.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

add EXT-X-DISCONTINUITY tag at the position of the append point.

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

Fixes undefined behavior
Fixes: 639961-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes undefined behavior
Fixes: 640889-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

Fixes undefined behavior
Fixes: 640912-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes: left shift of negative value
Fixes: 668346-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

It should still be possible to set these through recommended_encoder_configuration

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>