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Author SHA1 Message Date
Martin Storsjö
e81e5e8ad2 lavf: Avoid using av_malloc(0) in av_dump_format 
On OS X, av_malloc(0) returns pointers that cause crashes when
freed.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2011-09-30 22:31:30 +03:00
Carl Eugen Hoyos
bcb1555489 dxva2_h264: pass the correct 8x8 scaling lists 
Copy the Inter 8x8 scaling list as second 8x8 matrix into DXVA2's
quantization matrix data structure instead of a potentially unset
Intra chroma scaling matrix.

Fix dxva2 decoding for some H264 samples.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-09-30 20:15:17 +02:00
Mans Rullgard
bf5d46d8e6 dca: NEON optimised high freq VQ decoding 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-09-30 19:01:23 +01:00
Justin Ruggles
6326afd5e9 avcodec: reject audio packets with NULL data and non-zero size 
There is no valid reason the user should ever send such packets in the
first place, but the documentation for CODEC_CAP_DELAY states that the
codec is guaranteed not to get a NULL packet unless that capability is
set. That isn't true without preventing this case.
 2011-09-30 11:02:50 -04:00
Joakim Plate
dcce09d64b dxva: Add ability to enable workaround for older ATI cards 
The workaround needs to be enabled per PCI ID which cannot be detected inside
libavcodec. So add a flag to manually enable the alternate behavior.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-09-30 11:17:53 +02:00
Kieran Kunhya
d4a544cbc4 latmenc: Set latmBufferFullness to largest value to indicate it is not used 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-09-30 11:17:27 +02:00
Justin Ruggles
e562fbd003 adpcm: move codec-specific variable declarations to the sections for the corresponding codecs. 2011-09-29 16:54:01 -04:00
Justin Ruggles
9662539c10 adpcm: check buffer size in Funcom ISS decoder before reading header. 
Also use the post-header data size to control termination of the main
decoding loop.
 2011-09-29 16:54:01 -04:00
Justin Ruggles
ba5d2890d7 adpcm: simplify reading of Funcom ISS frame header. 2011-09-29 16:54:01 -04:00
Justin Ruggles
5c9eb4fabb adpcm: check buffer size in IMA DK4 decoder before reading header. 
Also use the post-header data size to control termination of the main
decoding loop.
 2011-09-29 16:54:01 -04:00
Justin Ruggles
a57ea1a87e adpcm: simplify reading of IMA DK4 frame header. 2011-09-29 16:54:01 -04:00
Justin Ruggles
8114f94ac9 adpcm_ms: clean up reading of predictor coefficients 2011-09-29 16:54:01 -04:00
Justin Ruggles
943f4db552 adpcm_4xm: process planar packets sequentially rather than simultaneously. 
Also properly clip the right channel step_index.
 2011-09-29 16:54:00 -04:00
Justin Ruggles
119974b164 adpcm_ima_wav: process channel-interleaved blocks sequentially rather than simultaneously. 
Speeds up the ADPCM IMA WAV decoder by 15-20% overall.
 2011-09-29 16:54:00 -04:00
Justin Ruggles
7c287b18a0 adpcm: update reference links 
Add Multimedia Wiki link.
Mark dead links with [dead]. Some can still be accessed through archive.org.
Update URLs for pages which have moved.
Replace duplicated links in adpcmenc.c with a note to see the ADPCM decoder
reference documents.
 2011-09-29 16:54:00 -04:00
Justin Ruggles
ac94b8bcc6 adpcm: simplify packet size bounds checking in the ADPCM IMA QT decoder. 
This is easier to understand. It also avoids returning existing samples mixed
with new samples when the packet is too small.
 2011-09-29 16:54:00 -04:00
Justin Ruggles
de0b586a87 adpcm: simplify and speed up several ADPCM decoders. 2011-09-29 16:54:00 -04:00
Justin Ruggles
5a9ed7c110 adpcm: pretty-print tables 2011-09-29 16:54:00 -04:00
Alex Converse
fcbe421cee prores: Handle 0 or fewer bits left 
show_bits() is undefined when the number of bits is less than or equal to
zero.
 2011-09-29 09:45:57 -07:00
Alex Converse
fe21f78d2b mpeg probe: check the 2/4-bit synchronization value found after a pack_start_code. 2011-09-29 09:45:57 -07:00
Mans Rullgard
bf00a73ace dca: clear inactive subbands only once in qmf_32_subbands() 
Writing zeros to the high entries in the array need only be
done once as the cutoff position is constant throughout the
loop.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-09-29 12:34:17 +01:00
Stefano Sabatini
1ee2014190 vf_unsharp: set default chroma size value to 5x5 
The previous default value 0x0 was not good, since it is not even
valid.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-29 07:20:05 +02:00
Stefano Sabatini
998e8519ef vf_unsharp: fix out-of-buffer read 
In apply_unsharp(), when y is >= height, prevent out-of-buffer reading
from src, read from the last buffer line in src2 instead.

The check was implemented in the original unsharp libmpcodecs code and
lost in the port.

This also fixes output discrepancy between the two filters.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-29 07:19:30 +02:00
Alex Converse
daf9890811 avconv: Reformat s16 volume adjustment. 2011-09-28 12:33:51 -07:00
Mans Rullgard
baf6b738f2 ARM: NEON optimised vector_fmac_scalar() 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-09-28 15:56:09 +01:00
Mans Rullgard
a92a1b93b4 dca: use vector_fmac_scalar from dsputil 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-09-28 15:56:09 +01:00
Mans Rullgard
fcca826a63 dsputil: add vector_fmac_scalar() 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-09-28 15:56:08 +01:00
Kieran Kunhya
32dfd8ca65 latmenc: Fix private options 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2011-09-28 15:49:07 +03:00
Stefano Sabatini
1c257dc32d vf_unsharp: store hsub/vsub in the filter context 
Also drop obfuscating CHROMA_WIDTH/HEIGHT macros.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:09:18 +02:00
Stefano Sabatini
e6d17ba426 vf_unsharp: adopt a more natural order of params in apply_unsharp() 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:09:03 +02:00
Stefano Sabatini
de7b58da3e vf_unsharp: rename method "unsharpen" to "apply_unsharp" 
More consistent with the original libmpcodecs code, and the name
"unsharpen" was confusing.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:08:56 +02:00
Michael Niedermayer
d33e0c6bc8 vf_scale: apply the same transform to the aspect during init that is applied per frame 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:08:30 +02:00
Stefano Sabatini
80de930a78 vf_pad: fix "vsub" variable value computation 
It was shifting 2 rather than 1, +10l.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:03:30 +02:00
Stefano Sabatini
46b29397a6 vf_scale: add a "sar" variable 
Also create a "dar" alias for the "a" variable, for avoiding possible
confusion between dar/sar.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:03:24 +02:00
Stefano Sabatini
0ec56d1144 lavfi: fix realloc size computation in avfilter_add_format() 
Replace sizeof((*avff)->formats)
with    sizeof(*(*avff)->formats)

as the size of the array element is given by the pointed element
rather than by its pointer.

In particular fix computation with the pending patch when
sizeof(int64_t) != sizeof(int64_t *).

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:03:18 +02:00
Stefano Sabatini
e63e4c99c9 vsrc_color: use internal timebase 
Avoid timescale conversion, simplify.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:03:11 +02:00
Stefano Sabatini
57fa314090 lavfi: fix signature for avfilter_graph_parse() and avfilter_graph_config() 
Require "void *" rather than "AVClass *" for the log context type.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:02:53 +02:00
Stefano Sabatini
64abd375ec graphparser: prefer void * over AVClass * for log contexts 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:02:42 +02:00
Stefano Sabatini
59cef18c24 avfiltergraph: use meaningful error codes 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-09-28 08:02:32 +02:00
Alex Converse
4bb0b31f76 avconv: Initialize return value for codec copy path. 2011-09-27 19:32:26 -07:00
Mans Rullgard
dec4b4705f fate: use 'run' helper for seek-test 
This is simpler, and the actual seek-test command is printed with V=1.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-09-28 02:30:30 +01:00
Mans Rullgard
bc3a741fa0 fate: remove seek-mpeg2reuse test 
The input file for this test is no longer generated.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-09-28 02:30:30 +01:00
Michael Niedermayer
77d2ef13a8 Fix memory (re)allocation in matroskadec.c, related to MSVR-11-0080. 
Whitespace of the patch cleaned up by Aurel
Some of the issues have been reported by Steve Manzuik / Microsoft Vulnerability Research (MSVR)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

(cherry picked from commit 956c901c68)

Further suggestions from Kostya <kostya.shishkov@gmail.com> have been
implemented by Reinhard Tartler <siretart@tauware.de>

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
 2011-09-27 23:14:05 +02:00
Alex Converse
a9a033773a avconv: Fix volume adjustment for non-s16 sample formats 2011-09-27 14:10:12 -07:00
Alex Converse
fe332cf5b9 avconv: Make samples void*. 
Different sample formats are different sizes.
 2011-09-27 14:10:12 -07:00
Alex Converse
af3c06b4db avconv: Use the size of the decode sample format when allocating the audio samples buffer. 2011-09-27 14:10:12 -07:00
Anton Khirnov
d3c1d37a90 avconv: use different variables for decoded and filtered frame. 
Makes the code less obfuscated and fixes encoding one video stream to
several outputs.

Also use avcodec_alloc_frame() instead of allocating AVFrame on stack.

Breaks me_threshold in avconv, as motion vectors aren't passed through
lavfi. They could be copied manually, but I don't think this misfeature
is useful enough to justify ugly hacks.
 2011-09-27 19:17:37 +02:00
Anton Khirnov
3ccd15803b avconv: add support for copying attachments. 2011-09-27 15:26:36 +02:00
Anton Khirnov
c7a63a521b matroskaenc: write attachments. 2011-09-27 15:26:36 +02:00
Anton Khirnov
98cfe22b5c matroskadec: export mimetype of attachments as metadata. 2011-09-27 15:26:36 +02:00