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Author SHA1 Message Date
Alex Converse
028a2375e2 mov: Make format string match variable type. 2011-11-26 19:41:54 -08:00
Alex Converse
f11b0e9543 wmavoice: Make format string match variable type. 2011-11-26 19:40:34 -08:00
Kostya Shishkov
498605b4ad vc1: select interlaced scan table by FCM element 
Interlaced videos can contain progressive frames too and now wrong scantable
is selected for them.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-11-26 18:14:07 -08:00
Victor Vasiliev
12bc20502a Generalize RIFF INFO tag support; support reading INFO tag in wav 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-11-26 17:14:13 -08:00
Cheng Sun
3f5aa7dfa6 pthread: track thread existence in a separate variable. 
This fixes a compile error on mingw32 when using p->thread
directly (as if it were a pointer) to track thread existence,
because the type is opaque and may be a non-pointer.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-11-26 17:14:13 -08:00
Mans Rullgard
7c5ce99bd9 swscale: fix signed overflow in yuv2mono_X_c_template 
As old bits are shifted out of the accumulator, they cause signed
overflows when they reach the end.  Making the variable unsigned fixes
this.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 22:53:47 +00:00
Mans Rullgard
8540dcfd7a snow: fix integer overflows 
The way these values are used, they should have an unsigned type.
A similar change was made for mpegvideo in cb66847.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 22:53:47 +00:00
Mans Rullgard
0e55edcb57 svq1enc: remove stale altivec-related hack 
altivec.h is no longer (indirectly) included, so this hack is not
needed.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 22:53:47 +00:00
Mans Rullgard
ff6d9cc558 snow: fix signed overflow in byte to 32-bit replication 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 22:53:46 +00:00
Justin Ruggles
9d2dd356c2 adx: rename ff_adx_decode_header() to avpriv_adx_decode_header() 
It is used by the ADX decoder, and therefore needs to be exported in order to
work with shared libs.
 2011-11-26 17:00:00 -05:00
Justin Ruggles
a17c3c7d15 avformat: add CRI ADX format demuxer 2011-11-26 16:25:07 -05:00
Justin Ruggles
27360ccc5e adx: add an ADX parser. 
This simplifies the decoder so it doesn't have to process an in-packet header
or handle arbitrary-sized packets. It also fixes decoding of files with large
headers.
 2011-11-26 16:25:07 -05:00
Justin Ruggles
d8cec2d7fc adx: move header decoding to ADX common code 2011-11-26 16:25:07 -05:00
Justin Ruggles
7ff55d9bdb adx: calculate the number of blocks in a packet 2011-11-26 16:25:07 -05:00
Justin Ruggles
05c1f11b56 adx: define and use 2 new macro constants BLOCK_SIZE and BLOCK_SAMPLES 2011-11-26 16:25:07 -05:00
Justin Ruggles
d1745619db adx: check for unsupported ADX formats 2011-11-26 16:25:07 -05:00
Justin Ruggles
994238536a adx: simplify encoding by using put_sbits() 2011-11-26 16:25:07 -05:00
Justin Ruggles
b237248e29 adx: calculate correct LPC coeffs 
Instead of using fixed coefficients, the correct way is to calculate the
coefficients using the highpass cutoff frequency from the ADX stream header
and the sample rate.
 2011-11-26 16:25:06 -05:00
Justin Ruggles
954d94dd5e adx: use 12-bit coefficients instead of 14-bit to avoid integer overflow 2011-11-26 16:25:06 -05:00
Justin Ruggles
c52ddc6024 adx: simplify adx_decode() by using get_sbits() to read residual samples 2011-11-26 16:25:06 -05:00
Justin Ruggles
ca9e4727ba adx: fix the data offset parsing in adx_decode_header() 
first 2 bytes are 0x80, 0x00. offset is only 16-bit.
this is according to format descriptions on multimedia wiki and wikipedia.
 2011-11-26 16:25:06 -05:00
Justin Ruggles
837bbd19eb adx: remove unneeded post-decode channel interleaving 
instead interleave channels while decoding
 2011-11-26 16:25:06 -05:00
Justin Ruggles
e2d1eace00 adx: validate header values 2011-11-26 16:25:06 -05:00
Justin Ruggles
8db67610c0 adx: cosmetics: general pretty-printing and comment clean-up 2011-11-26 16:25:06 -05:00
Justin Ruggles
fbc79a9101 adx: remove useless comments 2011-11-26 16:25:06 -05:00
Justin Ruggles
e0722d7fb7 adx: change short to int16_t 2011-11-26 16:25:06 -05:00
Justin Ruggles
dd1b9f7cd9 adx: rename struct PREV to ADXChannelState 2011-11-26 16:25:06 -05:00
Mans Rullgard
3a83b2461e dnxhdenc: fix signed overflows 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 20:52:10 +00:00
Mans Rullgard
b6ae086682 dv: simplify bitstream splicing in dv_decode_ac() 
This is simpler and fixes some overflow checker warnings.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 20:52:09 +00:00
Mans Rullgard
b02aa3a8ea s3tc: fix shift overflow by using unsigned constant 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 18:50:42 +00:00
Mans Rullgard
f7f892e4d5 svq1enc: fix signed multiplication overflow 
This multiplication can overflow the signed range but not the
unsigned.  After right-shifting it will thus fit in the signed
range again.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 18:50:27 +00:00
Mans Rullgard
e4faa31a0a svq1dec: use sign_extend() 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 18:50:02 +00:00
Mans Rullgard
171ec81223 rv34: fix signed multiplication overflow 
Multiply by unsigned 0x01010101 to replicate bytes into 32-bit
word.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 18:49:51 +00:00
Cheng Sun
e524eadbf8 [PATCH] Fix crash when initializing multi-threaded decoding for corrupted file. 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-11-26 10:46:08 -08:00
Mans Rullgard
3d1af11df4 sol: use AV_RL32 instead of raw pointer cast 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 11:38:41 +00:00
Mans Rullgard
b7581b5c83 cook: use a table for xor key rotation 
This is simpler and avoids an invalid shift by 32 in the
aligned case.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 11:38:41 +00:00
Mans Rullgard
644bff6c9b apedec: fix signed integer overflows 
This bit manipulation is equivalent but avoids undefined
shifts and overflows.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 11:38:41 +00:00
Mans Rullgard
93c286e54f qtrle: simplify 32-bit decode using intreadwrite macros 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 11:38:41 +00:00
Mans Rullgard
3bd1162a52 gif: fix invalid signed shifts 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-26 11:38:40 +00:00
Reimar Döffinger
7fb55e0b02 rtjpeg: simplify get_block() by using get_bits_left. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-11-26 08:40:51 +01:00
Reimar Döffinger
7a62ddb689 rtjpeg: check get_block return value for error. 
This avoids crashes due to reading out-of-bounds.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-11-26 08:39:58 +01:00
Reimar Döffinger
f6afacdb3b nuv: check per-frame header for validity. 
Since it contains dimensions parsing an invalid one has rather
annoying effects.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-11-26 08:38:59 +01:00
Reimar Döffinger
785baa738a nuv: use FFALIGN. 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-11-26 08:38:14 +01:00
Carl Eugen Hoyos
1484b5dec5 flicvideo: check extradata_size before accessing extradata. 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-11-26 08:36:16 +01:00
Michael Niedermayer
5ace144fe0 fraps: check for overread. 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-11-26 08:35:57 +01:00
K.Y.H
51f316a997 cook: fix apparent typo in extradata parsing 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-11-26 08:33:31 +01:00
Anton Khirnov
488eec1044 lavc: update doxy to use nondeprecated API. 2011-11-26 08:26:24 +01:00
Martin Storsjö
f32dfad9dc swscale: Readd #define _SVID_SOURCE 
This was removed erroneously in
046f081b46. This define still is
necessary for getting MAP_ANONYMOUS defined on linux/glibc,
despite the define reshuffling done in that commit.

Without MAP_ANONYMOUS defined, the mprotect calls for setting the
generated mmx2 scaler code pages executable are left out, causing
crashes if that codepath is chosen.

This patch fixes scaling from 192x144 to 320x240 with
-sws_flags fast_bilinear, which crashes on linux at the
moment.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2011-11-25 19:59:15 +02:00
Mans Rullgard
019dd23657 Fix av_get_channel_layout_string() for positions >31 
A value shifted left by >31 needs to have a 64-bit type.
As there are no defined channels in this range, the fix
is purely theoretical at this point, although it does
avoid some invalid shifts triggering the overflow
checker.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-11-25 15:19:55 +00:00
Rafaël Carré
be1e872582 configure: Store vda lib flags in extralibs instead of ldflags 
This way the needed linking flags end up in libavcodec.pc.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2011-11-25 15:52:55 +02:00