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Commit Graph

84143 Commits

Author SHA1 Message Date
Martin Storsjö
f32690a298 aarch64: vp9lpf: Use dup+rev16+uzp1 instead of dup+lsr+dup+trn1
This is one cycle faster in total, and three instructions fewer.

Before:
vp9_loop_filter_mix2_v_44_16_neon: 123.2
After:
vp9_loop_filter_mix2_v_44_16_neon: 122.2

This is cherrypicked from libav commit
3bf9c48320.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:50 +02:00
Martin Storsjö
3fbbad2984 arm/aarch64: vp9lpf: Keep the comparison to E within 8 bit
The theoretical maximum value of E is 193, so we can just
saturate the addition to 255.

Before:                     Cortex A7      A8      A9     A53  A53/AArch64
vp9_loop_filter_v_4_8_neon:     143.0   127.7   114.8    88.0         87.7
vp9_loop_filter_v_8_8_neon:     241.0   197.2   173.7   140.0        136.7
vp9_loop_filter_v_16_8_neon:    497.0   419.5   379.7   293.0        275.7
vp9_loop_filter_v_16_16_neon:   965.2   818.7   731.4   579.0        452.0
After:
vp9_loop_filter_v_4_8_neon:     136.0   125.7   112.6    84.0         83.0
vp9_loop_filter_v_8_8_neon:     234.0   195.5   171.5   136.0        133.7
vp9_loop_filter_v_16_8_neon:    490.0   417.5   377.7   289.0        271.0
vp9_loop_filter_v_16_16_neon:   951.2   814.7   732.3   571.0        446.7

This is cherrypicked from libav commit
c582cb8537.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:50 +02:00
Martin Storsjö
dda45c087b aarch64: Add parentheses around the offset parameter in movrel
This fixes building with clang for linux with PIC enabled.

This is cherrypicked from libav commit
8847eeaa14.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:50 +02:00
Martin Storsjö
c8d6eec85d aarch64: vp9lpf: Fix broken indentation/vertical alignment
This is cherrypicked from libav commit
07b5136c48.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:49 +02:00
Martin Storsjö
9f3a886364 aarch64: vp9lpf: Interleave the start of flat8in into the calculation above
This adds lots of extra .ifs, but speeds it up by a couple cycles,
by avoiding stalls.

This is cherrypicked from libav commit
b0806088d3.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:49 +02:00
Martin Storsjö
83399cf569 arm: vp9lpf: Interleave the start of flat8in into the calculation above
This adds lots of extra .ifs, but speeds it up by a couple cycles,
by avoiding stalls.

This is cherrypicked from libav commit
e18c39005a.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:49 +02:00
Martin Storsjö
92ab8374b1 arm: vp9lpf: Use orrs instead of orr+cmp
This is cherrypicked from libav commit
435cd7bc99.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:49 +02:00
Martin Storsjö
f0ecbb13cf arm/aarch64: vp9lpf: Calculate !hev directly
Previously we first calculated hev, and then negated it.

Since we were able to schedule the negation in the middle
of another calculation, we don't see any gain in all cases.

Before:                     Cortex A7      A8      A9     A53  A53/AArch64
vp9_loop_filter_v_4_8_neon:     147.0   129.0   115.8    89.0         88.7
vp9_loop_filter_v_8_8_neon:     242.0   198.5   174.7   140.0        136.7
vp9_loop_filter_v_16_8_neon:    500.0   419.5   382.7   293.0        275.7
vp9_loop_filter_v_16_16_neon:   971.2   825.5   731.5   579.0        453.0
After:
vp9_loop_filter_v_4_8_neon:     143.0   127.7   114.8    88.0         87.7
vp9_loop_filter_v_8_8_neon:     241.0   197.2   173.7   140.0        136.7
vp9_loop_filter_v_16_8_neon:    497.0   419.5   379.7   293.0        275.7
vp9_loop_filter_v_16_16_neon:   965.2   818.7   731.4   579.0        452.0

This is cherrypicked from libav commit
e1f9de86f4.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:48 +02:00
Martin Storsjö
148cc0bb89 aarch64: vp9itxfm: Optimize 16x16 and 32x32 idct dc by unrolling
This work is sponsored by, and copyright, Google.

Before:                           Cortex A53
vp9_inv_dct_dct_16x16_sub1_add_neon:   235.3
vp9_inv_dct_dct_32x32_sub1_add_neon:   555.1
After:
vp9_inv_dct_dct_16x16_sub1_add_neon:   180.2
vp9_inv_dct_dct_32x32_sub1_add_neon:   475.3

This is cherrypicked from libav commit
3fcf788fbb.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:48 +02:00
Martin Storsjö
758302e4bc arm: vp9itxfm: Optimize 16x16 and 32x32 idct dc by unrolling
This work is sponsored by, and copyright, Google.

Before:                            Cortex A7      A8      A9     A53
vp9_inv_dct_dct_16x16_sub1_add_neon:   273.0   189.5   211.7   235.8
vp9_inv_dct_dct_32x32_sub1_add_neon:   752.0   459.2   862.2   553.9
After:
vp9_inv_dct_dct_16x16_sub1_add_neon:   226.5   145.0   225.1   171.8
vp9_inv_dct_dct_32x32_sub1_add_neon:   721.2   415.7   727.6   475.0

This is cherrypicked from libav commit
a76bf8cf12.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:48 +02:00
Martin Storsjö
045e33ae3f aarch64: vp9mc: Calculate less unused data in the 4 pixel wide horizontal filter
No measured speedup on a Cortex A53, but other cores might benefit.

This is cherrypicked from libav commit
388e0d2515.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:48 +02:00
Martin Storsjö
bff0771590 arm: vp9mc: Calculate less unused data in the 4 pixel wide horizontal filter
Before:                    Cortex A7      A8     A9     A53
vp9_put_8tap_smooth_4h_neon:   378.1   273.2  340.7   229.5
After:
vp9_put_8tap_smooth_4h_neon:   352.1   222.2  290.5   229.5

This is cherrypicked from libav commit
fea92a4b57.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:47 +02:00
Martin Storsjö
ac6cb8ae5b aarch64: vp9mc: Simplify the extmla macro parameters
Fold the field lengths into the macro.

This makes the macro invocations much more readable, when the
lines are shorter.

This also makes it easier to use only half the registers within
the macro.

This is cherrypicked from libav commit
5e0c2158fb.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:47 +02:00
Martin Storsjö
16ef000799 aarch64: vp9itxfm: Fix incorrect vertical alignment
This is cherrypicked from libav commit
0c0b87f12d.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:47 +02:00
Martin Storsjö
d0fbf7f34e aarch64: vp9itxfm: Update a comment to refer to a register with a different name
This is cherrypicked from libav commit
8476eb0d3a.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:46 +02:00
Martin Storsjö
6752318c73 aarch64: vp9itxfm: Use the right lane sizes in 8x8 for improved readability
This is cherrypicked from libav commit
3dd7827258.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:46 +02:00
Martin Storsjö
19a0f9529c aarch64: vp9itxfm: Use a single lane ld1 instead of ld1r where possible
The ld1r is a leftover from the arm version, where this trick is
beneficial on some cores.

Use a single-lane load where we don't need the semantics of ld1r.

This is cherrypicked from libav commit
ed8d293306.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:46 +02:00
Martin Storsjö
3006e5253a aarch64: vp9itxfm: Share instructions for loading idct coeffs in the 8x8 function
This is cherrypicked from libav commit
4da4b2b87f.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:27 +02:00
Martin Storsjö
1d8ab576a7 arm: vp9itxfm: Share instructions for loading idct coeffs in the 8x8 function
This is cherrypicked from libav commit
3933b86bb9.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:26 +02:00
Martin Storsjö
9532a7d4d0 aarch64: vp9itxfm: Do separate functions for half/quarter idct16 and idct32
This work is sponsored by, and copyright, Google.

This avoids loading and calculating coefficients that we know will
be zero, and avoids filling the temp buffer with zeros in places
where we know the second pass won't read.

This gives a pretty substantial speedup for the smaller subpartitions.

The code size increases from 14740 bytes to 24292 bytes.

The idct16/32_end macros are moved above the individual functions; the
instructions themselves are unchanged, but since new functions are added
at the same place where the code is moved from, the diff looks rather
messy.

Before:
vp9_inv_dct_dct_16x16_sub1_add_neon:     236.7
vp9_inv_dct_dct_16x16_sub2_add_neon:    1051.0
vp9_inv_dct_dct_16x16_sub4_add_neon:    1051.0
vp9_inv_dct_dct_16x16_sub8_add_neon:    1051.0
vp9_inv_dct_dct_16x16_sub12_add_neon:   1387.4
vp9_inv_dct_dct_16x16_sub16_add_neon:   1387.6
vp9_inv_dct_dct_32x32_sub1_add_neon:     554.1
vp9_inv_dct_dct_32x32_sub2_add_neon:    5198.5
vp9_inv_dct_dct_32x32_sub4_add_neon:    5198.6
vp9_inv_dct_dct_32x32_sub8_add_neon:    5196.3
vp9_inv_dct_dct_32x32_sub12_add_neon:   6183.4
vp9_inv_dct_dct_32x32_sub16_add_neon:   6174.3
vp9_inv_dct_dct_32x32_sub20_add_neon:   7151.4
vp9_inv_dct_dct_32x32_sub24_add_neon:   7145.3
vp9_inv_dct_dct_32x32_sub28_add_neon:   8119.3
vp9_inv_dct_dct_32x32_sub32_add_neon:   8118.7

After:
vp9_inv_dct_dct_16x16_sub1_add_neon:     236.7
vp9_inv_dct_dct_16x16_sub2_add_neon:     640.8
vp9_inv_dct_dct_16x16_sub4_add_neon:     639.0
vp9_inv_dct_dct_16x16_sub8_add_neon:     842.0
vp9_inv_dct_dct_16x16_sub12_add_neon:   1388.3
vp9_inv_dct_dct_16x16_sub16_add_neon:   1389.3
vp9_inv_dct_dct_32x32_sub1_add_neon:     554.1
vp9_inv_dct_dct_32x32_sub2_add_neon:    3685.5
vp9_inv_dct_dct_32x32_sub4_add_neon:    3685.1
vp9_inv_dct_dct_32x32_sub8_add_neon:    3684.4
vp9_inv_dct_dct_32x32_sub12_add_neon:   5312.2
vp9_inv_dct_dct_32x32_sub16_add_neon:   5315.4
vp9_inv_dct_dct_32x32_sub20_add_neon:   7154.9
vp9_inv_dct_dct_32x32_sub24_add_neon:   7154.5
vp9_inv_dct_dct_32x32_sub28_add_neon:   8126.6
vp9_inv_dct_dct_32x32_sub32_add_neon:   8127.2

This is cherrypicked from libav commit
a63da4511d.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:25 +02:00
Martin Storsjö
824589556c arm: vp9itxfm: Do a simpler half/quarter idct16/idct32 when possible
This work is sponsored by, and copyright, Google.

This avoids loading and calculating coefficients that we know will
be zero, and avoids filling the temp buffer with zeros in places
where we know the second pass won't read.

This gives a pretty substantial speedup for the smaller subpartitions.

The code size increases from 12388 bytes to 19784 bytes.

The idct16/32_end macros are moved above the individual functions; the
instructions themselves are unchanged, but since new functions are added
at the same place where the code is moved from, the diff looks rather
messy.

Before:                              Cortex A7       A8       A9      A53
vp9_inv_dct_dct_16x16_sub1_add_neon:     273.0    189.5    212.0    235.8
vp9_inv_dct_dct_16x16_sub2_add_neon:    2102.1   1521.7   1736.2   1265.8
vp9_inv_dct_dct_16x16_sub4_add_neon:    2104.5   1533.0   1736.6   1265.5
vp9_inv_dct_dct_16x16_sub8_add_neon:    2484.8   1828.7   2014.4   1506.5
vp9_inv_dct_dct_16x16_sub12_add_neon:   2851.2   2117.8   2294.8   1753.2
vp9_inv_dct_dct_16x16_sub16_add_neon:   3239.4   2408.3   2543.5   1994.9
vp9_inv_dct_dct_32x32_sub1_add_neon:     758.3    456.7    864.5    553.9
vp9_inv_dct_dct_32x32_sub2_add_neon:   10776.7   7949.8   8567.7   6819.7
vp9_inv_dct_dct_32x32_sub4_add_neon:   10865.6   8131.5   8589.6   6816.3
vp9_inv_dct_dct_32x32_sub8_add_neon:   12053.9   9271.3   9387.7   7564.0
vp9_inv_dct_dct_32x32_sub12_add_neon:  13328.3  10463.2  10217.0   8321.3
vp9_inv_dct_dct_32x32_sub16_add_neon:  14176.4  11509.5  11018.7   9062.3
vp9_inv_dct_dct_32x32_sub20_add_neon:  15301.5  12999.9  11855.1   9828.2
vp9_inv_dct_dct_32x32_sub24_add_neon:  16482.7  14931.5  12650.1  10575.0
vp9_inv_dct_dct_32x32_sub28_add_neon:  17589.5  15811.9  13482.8  11333.4
vp9_inv_dct_dct_32x32_sub32_add_neon:  18696.2  17049.2  14355.6  12089.7

After:
vp9_inv_dct_dct_16x16_sub1_add_neon:     273.0    189.5    211.7    235.8
vp9_inv_dct_dct_16x16_sub2_add_neon:    1203.5    998.2   1035.3    763.0
vp9_inv_dct_dct_16x16_sub4_add_neon:    1203.5    998.1   1035.5    760.8
vp9_inv_dct_dct_16x16_sub8_add_neon:    1926.1   1610.6   1722.1   1271.7
vp9_inv_dct_dct_16x16_sub12_add_neon:   2873.2   2129.7   2285.1   1757.3
vp9_inv_dct_dct_16x16_sub16_add_neon:   3221.4   2520.3   2557.6   2002.1
vp9_inv_dct_dct_32x32_sub1_add_neon:     753.0    457.5    866.6    554.6
vp9_inv_dct_dct_32x32_sub2_add_neon:    7554.6   5652.4   6048.4   4920.2
vp9_inv_dct_dct_32x32_sub4_add_neon:    7549.9   5685.0   6046.9   4925.7
vp9_inv_dct_dct_32x32_sub8_add_neon:    8336.9   6704.5   6604.0   5478.0
vp9_inv_dct_dct_32x32_sub12_add_neon:  10914.0   9777.2   9240.4   7416.9
vp9_inv_dct_dct_32x32_sub16_add_neon:  11859.2  11223.3   9966.3   8095.1
vp9_inv_dct_dct_32x32_sub20_add_neon:  15237.1  13029.4  11838.3   9829.4
vp9_inv_dct_dct_32x32_sub24_add_neon:  16293.2  14379.8  12644.9  10572.0
vp9_inv_dct_dct_32x32_sub28_add_neon:  17424.3  15734.7  13473.0  11326.9
vp9_inv_dct_dct_32x32_sub32_add_neon:  18531.3  17457.0  14298.6  12080.0

This is cherrypicked from libav commit
5eb5aec475.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:25 +02:00
Martin Storsjö
a681c793a3 aarch64: vp9itxfm: Move the load_add_store macro out from the itxfm16 pass2 function
This allows reusing the macro for a separate implementation of the
pass2 function.

This is cherrypicked from libav commit
79d332ebbd.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:24 +02:00
Martin Storsjö
3bd9b39108 arm: vp9itxfm: Move the load_add_store macro out from the itxfm16 pass2 function
This allows reusing the macro for a separate implementation of the
pass2 function.

This is cherrypicked from libav commit
47b3c2c18d.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:23 +02:00
Martin Storsjö
dc47bf3872 aarch64: vp9itxfm: Make the larger core transforms standalone functions
This work is sponsored by, and copyright, Google.

This reduces the code size of libavcodec/aarch64/vp9itxfm_neon.o from
19496 to 14740 bytes.

This gives a small slowdown of a couple of tens of cycles, but makes
it more feasible to add more optimized versions of these transforms.

Before:
vp9_inv_dct_dct_16x16_sub4_add_neon:    1036.7
vp9_inv_dct_dct_16x16_sub16_add_neon:   1372.2
vp9_inv_dct_dct_32x32_sub4_add_neon:    5180.0
vp9_inv_dct_dct_32x32_sub32_add_neon:   8095.7

After:
vp9_inv_dct_dct_16x16_sub4_add_neon:    1051.0
vp9_inv_dct_dct_16x16_sub16_add_neon:   1390.1
vp9_inv_dct_dct_32x32_sub4_add_neon:    5199.9
vp9_inv_dct_dct_32x32_sub32_add_neon:   8125.8

This is cherrypicked from libav commit
115476018d.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:22 +02:00
Martin Storsjö
f8fcee0daf arm: vp9itxfm: Make the larger core transforms standalone functions
This work is sponsored by, and copyright, Google.

This reduces the code size of libavcodec/arm/vp9itxfm_neon.o from
15324 to 12388 bytes.

This gives a small slowdown of a couple tens of cycles, up to around
150 cycles for the full case of the largest transform, but makes
it more feasible to add more optimized versions of these transforms.

Before:                              Cortex A7       A8       A9      A53
vp9_inv_dct_dct_16x16_sub4_add_neon:    2063.4   1516.0   1719.5   1245.1
vp9_inv_dct_dct_16x16_sub16_add_neon:   3279.3   2454.5   2525.2   1982.3
vp9_inv_dct_dct_32x32_sub4_add_neon:   10750.0   7955.4   8525.6   6754.2
vp9_inv_dct_dct_32x32_sub32_add_neon:  18574.0  17108.4  14216.7  12010.2

After:
vp9_inv_dct_dct_16x16_sub4_add_neon:    2060.8   1608.5   1735.7   1262.0
vp9_inv_dct_dct_16x16_sub16_add_neon:   3211.2   2443.5   2546.1   1999.5
vp9_inv_dct_dct_32x32_sub4_add_neon:   10682.0   8043.8   8581.3   6810.1
vp9_inv_dct_dct_32x32_sub32_add_neon:  18522.4  17277.4  14286.7  12087.9

This is cherrypicked from libav commit
0331c3f5e8.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:20 +02:00
Martin Storsjö
52c7366c83 aarch64: vp9itxfm: Restructure the idct32 store macros
This avoids concatenation, which can't be used if the whole macro
is wrapped within another macro.

This is also arguably more readable.

This is cherrypicked from libav commit
58d87e0f49.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:09 +02:00
Martin Storsjö
31e41350d2 arm: vp9itxfm: Avoid .irp when it doesn't save any lines
This makes it more readable.

This is cherrypicked from libav commit
3bc5b28d5a.

Signed-off-by: Martin Storsjö <martin@martin.st>
2017-03-11 13:14:00 +02:00
Moritz Barsnick
114bbb0b74 libavfilter/avf_showwaves: make sqrt and cbrt scale option values available to showwavespic by name
The 'sqrt' and 'cbrt' scalers were added in commit
80262d8c86, but their symbolic option values
only made available to the showwaves filter, not showwavespic, despite
the scalers working properly by their numerical option values.

Signed-off-by: Moritz Barsnick <barsnick@gmx.net>
2017-03-11 11:55:57 +01:00
Steven Liu
51e3501993 ffprobe: add AVCodecContext help message into ffprobe
because the ffprobe can use AVCodecContext parameters

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
2017-03-11 11:12:23 +08:00
Michael Niedermayer
6e913f2129 avcodec/vp56: Reset have_undamaged_frame on resolution changes
Fixes: timeout in 758/clusterfuzz-testcase-4720832028868608

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-11 02:50:22 +01:00
Michael Niedermayer
dc0b9b218c avcodec/h264_ps: Forward errors from decode_scaling_list()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-11 02:50:22 +01:00
Aaron Boxer
195784ec95 libavcodec/libopenjpegenc: enable lossless option, remove layer option, and improve defaults
1. limit to single layer, as there is no current support for setting distortion/quality of multiple layers
2. encoder mode should be kept at default setting (0)
3. remove fixed_alloc parameter from context : seldom if ever used, and no way of properly configuring at the moment
4. add irreversible setting, to allow for lossless encoding. Set to OpenJPEG default (enabled)
5. set numresolution max to 33, which is the maximum number of allowed resolutions according the J2K spec

Signed-off-by: Michael Bradshaw <mjbshaw@google.com>
2017-03-09 20:28:45 -08:00
Thomas Guilbert
9bbc73ae9f avcodec/vp8: Fix hang with slice threads
Fixes: 447860.webm

Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-10 02:20:21 +01:00
Michael Niedermayer
bac9c03ed9 avcodec/movtextdec: run mov_text_cleanup() before overwriting pointers
Fixes: memleak
Fixes: 741/clusterfuzz-testcase-586996200452915

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-09 23:28:10 +01:00
Michael Niedermayer
e2a4f1a9eb avcodec/mpeg4videodec: Fix runtime error: signed integer overflow: -135088512 * 16 cannot be represented in type 'int'
Fixes: 736/clusterfuzz-testcase-5580263943831552

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-09 23:28:10 +01:00
Michael Niedermayer
222c9f031d avcodec/h264_mvpred: Fix runtime error: left shift of negative value -1
Fixes: 734/clusterfuzz-testcase-4821293192970240

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-09 23:28:10 +01:00
Michael Niedermayer
800d02abe0 avcodec/mjpegdec: Fix runtime error: left shift of negative value -127
Fixes: 733/clusterfuzz-testcase-4682158096515072

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-09 23:28:10 +01:00
Michael Niedermayer
58dd25f8ad avcodec/mpegaudiodec_template: Check for negative e
Fixes: undefined shift
Fixes: 631/clusterfuzz-testcase-6725491035734016

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-09 20:37:10 +01:00
Timo Rothenpieler
5cd3cd5b68 avcodec/cuvid: add support for cropping/resizing
Overhauled version, original patch by Miroslav Slugeň <thunder.m@email.cz>.
2017-03-09 18:39:15 +01:00
James Almer
58eb0f57f6 avformat/matroskaenc: add support for Spherical Video elements
Reviewed-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2017-03-09 13:57:03 -03:00
wm4
f940492bb2 avcodec: clarify some decoding/encoding API details
Make it clear that there is no timing-dependent behavior. In particular,
there is no state in which both input and output are denied, and where
you have to wait for a while yourself to make progress (apparently some
hardware decoders like to do this).

Avoid wording that makes references to time. It shouldn't be mistaken
for some kind of asynchronous API (like POSIX read() can return EAGAIN
if there is no new input yet). It's a state machine, so try to use
appropriate terms.

Signed-off-by: Diego Biurrun <diego@biurrun.de>

Merges Libav commit 8a60bba0ae.
2017-03-09 17:33:56 +01:00
wm4
597c6b789e hls: pass AVFormatContext flags to sub demuxer 2017-03-09 16:24:00 +01:00
wm4
f5da453b06 concatdec: pass AVFormatContext flags to sub demuxer 2017-03-09 16:24:00 +01:00
wm4
fcfc78cbab aacdec: do not mutate input packet metadata
Apparently the demuxer outputs the wrong padding for HE-AAC (based on
the raw sample rate, or so). aacdec contains a hack to adjust the muxer
padding accordingly before it's used to trim the decoder output. This
modified the packet side data, which in combination with the old
decoding API would change the packet the user passed to the decoder.
This is clearly not allowed, and it breaks running some gapless fate
tests with "-fflags +keepside" applied (without keepside, the packet
metadata is typically newly allocated, essentially making a copy and not
modifying the user's input packet).

This should probably be fixed in the demuxer (and consequently also the
muxer), but for now only fix the immediate problem.

Regression since 946ed78f5f (2012).
2017-03-09 10:16:12 +01:00
Muhammad Faiz
53a5cea478 swresample/resample: do not allow odd filter_length
except filter_length == 1

odd filter_length gives worse frequency response,
even when compared with shorter filter_length

also makes build_filter simpler

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
2017-03-09 13:09:14 +07:00
Michael Niedermayer
3016e919d4 avcodec/wavpack: Fix runtime error: left shift of negative value -5
Fixes: 729/clusterfuzz-testcase-5154831595470848

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-08 21:15:07 +01:00
Michael Niedermayer
01a33b835f avcodec/pictordec: Fix runtime error: left shift of 64 by 25 places cannot be represented in type 'int'
Fixes: 724/clusterfuzz-testcase-6738249571631104

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-08 21:15:07 +01:00
Muhammad Faiz
fe57bf7cd6 fate/swresample: fix FUZZ typo
unintentionally changed to 0.01 at
'61926b6c3e560283ef6c015d6d85c32716942833'

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
2017-03-08 21:51:02 +07:00
Michael Niedermayer
1d0bad421c avutil/tests/lfg: Remove debugging start/stop timer
Fixes code with qemu ARM

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-08 14:32:00 +01:00
Thomas Turner
a50ccbd240 avutil/tests/lfg.c: added proper normality test
The Chen-Shapiro(CS) test was used to test normality for
Lagged Fibonacci PRNG.

Normality Hypothesis Test:

The null hypothesis formally tests if the population
the sample represents is normally-distributed. For
CS, when the normality hypothesis is True, the
distribution of QH will have a mean close to 1.

Information on CS can be found here:

http://www.stata-journal.com/sjpdf.html?articlenum=st0264
http://www.originlab.com/doc/Origin-Help/NormalityTest-Algorithm

Signed-off-by: Thomas Turner <thomastdt@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-03-08 14:32:00 +01:00