Avoid a division by 0 in ff_mpeg4_set_one_direct_mv.
Sample-Id: 00000168-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
(cherry picked from commit 9514440337875e0c63b409abcd616b68c518283f)
(cherry picked from commit 5df52b0131d3d4d804ad6e221bc9a2cd8b201ef2)
(cherry picked from commit aa2a3ca27a3269e2b975686652204607fad8bc49)
* qatar/release/0.8: (23 commits)
snow: Check mallocs at init
vorbis: Validate that the floor 1 X values contain no duplicates.
vorbisenc: check all allocations for failure
indeo3: validate new frame size before resetting decoder
lavfi: avfilter_merge_formats: handle case where inputs are same
rv34: error out on size changes with frame threading
rv34: Handle only complete frames in frame-mt.
rv34: use AVERROR return values in ff_rv34_decode_frame()
vlc/rl: Add ff_ prefix to the nonstatic symbols
h263: Add ff_ prefix to nonstatic symbols
alsdec: check opt_order.
golomb: check remaining bits during unary decoding in get_ur_golomb_jpegls()
lavf: don't segfault when a NULL filename is passed to avformat_open_input()
mpegvideo: Don't use ff_mspel_motion() for vc1
imgconvert: avoid undefined left shift in avcodec_find_best_pix_fmt
eval: fix swapping of lt() and lte()
nuv: check RTjpeg header for validity
Revert "nuv: check per-frame header for validity."
bmpdec: only initialize palette for pal8.
sipr: fall back to setting mode based on bit_rate.
...
Conflicts:
avconv.c
libavcodec/dnxhddec.c
libavcodec/golomb.h
libavcodec/h263.h
libavcodec/imgconvert.c
libavcodec/mpegvideo_common.h
libavcodec/mpegvideo_enc.c
libavcodec/nuv.c
libavcodec/rv34.c
libavcodec/sipr.c
libavcodec/vorbisdec.c
libavcodec/vorbisenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit e96b4a53df101403c54e329abfadad2edddc47c4)
Conflicts:
libavcodec/4xm.c
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit ddce8953a5056800ec795df2dfd84fc17a11b5fc)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Fixes ticket1212
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit cc229d4e83889d1298f1a0863b55feec6c5c339a)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* qatar/master:
mpeg4dec: use unsigned type for startcode in ff_mpeg4_decode_picture_header
mpeg124: use sign_extend() function
ac3dec: use get_sbits() instead of manually sign-extending
4xm: fix signed overflow
wmavoice: fix a signed overflow
mpegvideo_enc: fix a signed overflow
crc: fix signed overflow
fate: run avconv with -nostats flag
avtools: add -v as alias for -loglevel
avconv: always print stats with AV_LOG_INFO
doc/avconv: add forgotten output/per-stream info to -filter
avconv: add -stats option to enable/disable printing encoding progress
avconv: in output_packet() don't set decoded_data_size for video.
avconv: remove pointless always true condition
avconv: factorize common code in transcode_init()
zmbv: remove memcpy() of decoded frame
mpeg12enc: use sign_extend() function
h264pred: use unsigned types for pixel values, fix signed overflows
h264: fix signed overflows in x*0x01010101 expressions
h264pred: remove unused variables
Conflicts:
avconv.c
tests/fate-run.sh
Merged-by: Michael Niedermayer <michaelni@gmx.at>
FF_COMMON_FRAME holds the contents of the AVFrame structure and is also copied
to struct Picture. Replace by an embedded AVFrame structure in struct Picture.
* qatar/master: (40 commits)
H.264: template left MB handling
H.264: faster fill_decode_caches
H.264: faster write_back_*
H.264: faster fill_filter_caches
H.264: make filter_mb_fast support the case of unavailable top mb
Do not include log.h in avutil.h
Do not include pixfmt.h in avutil.h
Do not include rational.h in avutil.h
Do not include mathematics.h in avutil.h
Do not include intfloat_readwrite.h in avutil.h
Remove return statements following infinite loops without break
RTSP: Doxygen comment cleanup
doxygen: Escape '\' in Doxygen documentation.
md5: cosmetics
md5: use AV_WL32 to write result
md5: add fate test
md5: include correct headers
md5: fix test program
doxygen: Drop array size declarations from Doxygen parameter names.
doxygen: Fix parameter names to match the function prototypes.
...
Conflicts:
libavcodec/x86/dsputil_mmx.c
libavformat/flvenc.c
libavformat/oggenc.c
libavformat/wtv.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.
Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk