avcodec_flush_buffers() must release all internally held references
according to its documentation, for which all the threads need to be
flushed.
CC:libav-stable@libav.org
Bug-Id: vlc/9665
(cherry picked from commit d1f9563d502037239185c11578cc614bdf0c5870)
f777504f640260337974848c7d5d7a3f064bbb45 changed a - in +
CC: libav-stable@libav.org
(cherry picked from commit d922c5a5fbaf0b6c73bd8c81ae059bc6e406961c)
And use the value from the specification.
Sample-Id: 00000451-google
Found-by: Mateusz j00ru Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit f777504f640260337974848c7d5d7a3f064bbb45)
This silences a warning in the coverity static analyzer.
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 63848854256a024a19435e87d6bc76fffa65e81e)
These variables are assigned the return values of ftello, which
returns an off_t, which is a signed type. On errors, ftello returns
-1, thus make sure this error return value can be stored properly.
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 03c2a66fcff9707f71ffef7e61ce5e3973220d4b)
qt-faststart doesn't use the normal libav headers at all since
it's supposed to be a completely standalone tool, so we implement
the macro locally in this file.
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit ea15a9a5d8fa6a71af3101b2af18c4dcac07987f)
Copying data in chunks of 1 KB is a little wasteful.
64 KB should still easily fit on the stack, so there's no need
to allocate it dynamically.
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 3cbc7ef3d60b6af3617079f24a4f401d83353003)
The new function has the ability to allocate the structure, allowing it to grow
without needing major bumps
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This structure is used in the interface between libs and thus cannot have
fields added in the middle without major bump
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* qatar/master:
latm: Always reconfigure if no extradata was set previously
See: d039b6074ca68da9b6dc88d8bb40056fee9fecb6
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Timings for Arrandale:
C SSE
win32: 2108 334
win64: 1152 322
Factorizing the inner loop with a call/jmp is a >15 cycles cost, even with
the jmp destination being aligned.
Unrolling for ARCH_X86_64 is a 20 cycles gain.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit '92e598a57a7ce4b8ac9ea56274af39f5fd888311':
prores: Drop DSP infrastructure for prores encoder bits
Conflicts:
libavcodec/Makefile
libavcodec/proresdsp.c
libavcodec/proresenc_kostya.c
Note, these changes only affect one of the 2 prores encoders we have
If someone wants to add optimizations to the affected encoder, or needs/wants
this infrastructure, then iam happy to revert this
Merged-by: Michael Niedermayer <michaelni@gmx.at>
AAC LOAS can have new audio config objects in the stream itself.
Make sure the decoder reconfigures itself when the first one arrives
midstream.
Bug-Id: 644
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
The vector dequantization has a test in a loop preventing effective SIMD
implementation. By moving it out of the loop, this loop can be DSPized.
Therefore, modify the current DSP implementation. In particular, the
DSP implementation no longer has to handle null loop sizes.
The decode_hf implementations have following timings:
For x86 Arrandale:
C SSE SSE2 SSE4
win32: 260 162 119 104
win64: 242 N/A 89 72
The arm NEON optimizations follow in a later patch as external asm. The
now unused check for the y modifier in arm inline asm is removed from
configure.
Based on a patch from Christophe Gisquet.
Unrolling of the m == 0 case avoids a possible use of the uninitilized
value sum when s->predictor_history is not set. I failed to find a
sample for it. It also reduced the cycle count from 220 to 150 on
sandy bridge, x86_64 linux, gcc 4.8.2 compared to his patch.
Timings for Arrandale:
C SSE
win32: 2108 334
win64: 1152 322
Factorizing the inner loop with a call/jmp is a >15 cycles cost, even with
the jmp destination being aligned.
Unrolling for ARCH_X86_64 is a 20 cycles gain.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
The scaling factor is constant so it is faster to scale the
FIR coefficients in the tables during compilation.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
* cus/stable:
lavfi/frei0r: factorize plugin loading with static path
lavfi/frei0r: search plugins in lib64 dirs on all architectures
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* lukaszmluki/master:
lavf/ftp: fix seek to nagative position
lavf/libssh: fix seek to nagative position
Merged-by: Michael Niedermayer <michaelni@gmx.at>
