Fix CID 1108606.

Fixes out of bounds access
Fixes CID732170
Fixes CID732169

No filter is known to use this function in a way so the issue can be reproduced.

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

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

When the protocol is missing ffurl_alloc() should return
AVERROR_PROTOCOL_NOT_FOUND instead of AVERROR(ENOENT).

Bug-Id: 577
CC: libav-stable@libav.org

Footer partition may not be present and even if present footer partition
offset may not be set in any partition except last one.

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

pthread_wait_cond can wake up unexpectedly (Wikipedia: Spurious_wakeup).

The FF_THREAD_SLICE thread mechanism could spontaneously execute
jobs or allow the caller of avctx->execute to return before all
jobs were complete.

Test both cases to ensure the wakeup is real.

Signed-off-by: Ben Jackson <ben@ben.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

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

Move array size assert after the count increment, and avoid strchr() NULL
dereference on p.

Should fix FFmpeg coverity issue #1108581.

NAL_BLA_W_RADL instead of NAL_BLA_N_LP

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

this is based on libavresample.mak

These tests do not depend on external samples

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

If there is only 1 stream and seek isn't called with a specific stream
index, we pick the first (and only) one.

Regression since dbfe6110.

Fixes CID1108591.

The memset following the memcpy was silencing the problem since
re-writing that same byte.

Fixes CID1108597, CID1108598, (16x16)
      CID1108599, CID1108600, (8x8)
      CID1108601, CID1108602  (32x32)

Signed-off-by: Clément Bœsch <u@pkh.me>

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

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

Fixes CID1108610
Fixes use of uninitialized variable

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

Fixes CID1087079
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes null pointer dereference
Fixes CID1108592
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1108574
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1108573
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes: CID1108605
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes: CID1087075
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

See: CID1108585 and CID1108603
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

See CID1108596 and CID1108595
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Without this, it is 0/0 by default, which is not allowed.
This sets it to 0/1, which means "undefined".

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

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

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

Fixes CID1108609

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

This case does not work as off is uninitialized and it should be
handled fine by the generic code below

Fixes CID1108608

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

Fixes CID1108577

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

Fixes: CID1108607

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>

Fixes: CID1108575
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1108576

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

This isnt needed but it cant hurt, its also more consistent with
how its calculated a few lines before.

See: CID1108593
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1108582

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

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

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

This fixes potential overreads with crafted files.

Found-by: wm4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Define positive return values as non errors and leave further meaning undefined
This allows future extensions to use these values

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

it just wraps around a bitwise shift, and makes the code harder to read

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

* qatar/master:
  wtv: Seek by sector properly

Conflicts:
	libavformat/wtvdec.c

See: a0d13d84a9
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This helps git matchup files on merges correctly

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