Commit Graph

83 Commits

Author SHA1 Message Date
Michael Niedermayer
a63c813797 pngdec: check bits_per_pixel for palette mode.
This fixes a out of array read

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-04-15 18:21:53 +02:00
Michael Niedermayer
c7dc19d68f png: make sure the previous frames dimensions match before using it as reference
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-04-15 18:21:53 +02:00
Michael Niedermayer
6101e5322f Merge remote-tracking branch 'qatar/master'
* qatar/master:
  rtpdec_asf: Set the no_resync_search option for the chained asf demuxer
  asfdec: Add an option for not searching for the packet markers
  cosmetics: Clean up the tiffenc pix_fmts declaration to match the style of others
  cosmetics: Align codec declarations
  cosmetics: Convert mimic.c to utf-8
  avconv: remove an unused function parameter.
  avconv: remove now pointless variables.
  avconv: drop support for building without libavfilter.
  nellymoserenc: fix crash due to memsetting the wrong area.
  libavformat: Only require first packet to be known for audio/video streams
  avplay: Don't try to scale timestamps if the tb isn't set

Conflicts:
	Changelog
	configure
	ffmpeg.c
	libavcodec/aacenc.c
	libavcodec/bmpenc.c
	libavcodec/dnxhddec.c
	libavcodec/dnxhdenc.c
	libavcodec/ffv1.c
	libavcodec/flacenc.c
	libavcodec/fraps.c
	libavcodec/huffyuv.c
	libavcodec/libopenjpegdec.c
	libavcodec/mpeg12enc.c
	libavcodec/mpeg4videodec.c
	libavcodec/pamenc.c
	libavcodec/pgssubdec.c
	libavcodec/pngenc.c
	libavcodec/qtrleenc.c
	libavcodec/rawdec.c
	libavcodec/sgienc.c
	libavcodec/tiffenc.c
	libavcodec/v210dec.c
	libavcodec/wmv2dec.c
	libavformat/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-04-07 22:41:37 +02:00
Martin Storsjö
00c3b67b8a cosmetics: Align codec declarations
Also break some long lines, remove codec function placeholder comments
and add spaces in sample/pixel format lists.

Signed-off-by: Martin Storsjö <martin@martin.st>
2012-04-06 22:37:38 +03:00
Paul B Mahol
25b67dc765 png: fix warning about discarding qualifiers [-Wincompatible-pointer-types]
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-03-26 01:02:11 +02:00
Clément Bœsch
50a3867bab png: make ff_png_pass_mask local to pngdec. 2012-03-22 22:53:51 +01:00
Michael Niedermayer
8f394a6cf8 pngdec: print error message for truncated pngs even if we output them
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-03-20 14:13:01 +01:00
Michael Niedermayer
4ed47d3354 pngdec: dont discard incomplete images.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-03-20 13:45:19 +01:00
Michael Niedermayer
eeb792d862 pngdec: Print error messages for the various failure pathes.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-03-20 13:45:19 +01:00
Michael Niedermayer
a8cedbebf1 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  ttadec: unbreak playback of matroska files
  vorbisdec: avoid invalid memory access
  Fix uninitialized reads on malformed ogg files.
  huffyuv: add padding to classic (v1) huffman tables.
  png: convert to bytestream2 API.
  dca: include libavutil/mathematics.h for possibly missing M_SQRT1_2
  avs: fix infinite loop on end-of-stream.
  tiffdec: Prevent illegal memory access caused by recycled pointers.
  rtpenc: Fix the AVRational used for av_rescale_q_rnd
  wma: fix off-by-one in array bounds check.

Conflicts:
	libavcodec/huffyuv.c
	libavcodec/pngdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-03-09 01:22:31 +01:00
Ronald S. Bultje
4c25269ced png: convert to bytestream2 API.
Protects against overreads in the input buffer.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2012-03-08 11:17:25 -08:00
Michael Niedermayer
39a3a53b66 pngdec: validate length.
Fixes out of array reading.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-03-04 06:25:06 +01:00
Michael Niedermayer
8a08503b78 pngdec: Print error if signature is wrong.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-02-22 03:37:18 +01:00
Michael Niedermayer
184fc600e1 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  mpegvideo_enc: only allocate output packet when we know there will be output
  Add names for more channel layouts to the channel layout map.
  sunrast: Add a sample request for RMP_RAW colormap.
  avcodec: do not override pts or duration from the audio encoder
  Add prores regression test.
  Enable already existing rso regression test.
  Add regression test for "sox" format muxer/demuxer.
  Add dpx encoding regression test.
  swscale: K&R formatting cosmetics for PowerPC code (part I/II)
  img2: Use ff_guess_image2_codec(filename) shorthand where appropriate.
  Clarify licensing information about files borrowed from libjpeg.
  Mark mutable static data const where appropriate.
  avplay: fix -threads option
  dvbsubdec: avoid undefined signed left shift in RGBA macro
  mlpdec: use av_log_ask_for_sample()
  gif: K&R formatting cosmetics
  png: make .long_name more descriptive
  movdec: Adjust keyframe flagging in fragmented files
  rv34: change most "int stride" into "ptrdiff_t stride".

Conflicts:
	avprobe.c
	ffplay.c
	libavcodec/mlpdec.c
	libavcodec/mpegvideo_enc.c
	libavcodec/pngenc.c
	libavcodec/x86/v210-init.c
	libavfilter/vf_boxblur.c
	libavfilter/vf_crop.c
	libavfilter/vf_drawtext.c
	libavfilter/vf_lut.c
	libavfilter/vf_overlay.c
	libavfilter/vf_pad.c
	libavfilter/vf_scale.c
	libavfilter/vf_select.c
	libavfilter/vf_setpts.c
	libavfilter/vf_settb.c
	libavformat/img2.c
	libavutil/audioconvert.c
	tests/codec-regression.sh
	tests/lavf-regression.sh
	tests/ref/lavf/dpx
	tests/ref/vsynth1/prores
	tests/ref/vsynth2/prores

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-02-22 02:24:18 +01:00
Paul B Mahol
08630d25a2 png: make .long_name more descriptive
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2012-02-21 15:47:05 +01:00
Michael Niedermayer
146ef3f37c pngdec: fix warning about pointer types
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-31 21:40:53 +01:00
Carl Eugen Hoyos
97da38c99b Allow decoding of 64bit png images.
Fixes a part of ticket #639.
2012-01-31 00:13:24 +01:00
Carl Eugen Hoyos
ea604de91e Simplify "deloco" and support decoding of 48bit loco png. 2012-01-31 00:03:26 +01:00
Michael Niedermayer
e1492151fb Merge remote-tracking branch 'qatar/master'
* qatar/master:
  png: add missing #if HAVE_SSSE3 around function pointer assignment.
  imdct36: mark SSE functions as using all 16 XMM registers.
  png: move DSP functions to their own DSP context.
  sunrast: Add a sample request for TIFF, IFF, and Experimental Rastfile formats.
  sunrast: Cosmetics
  sunrast: Remove if (unsigned int < 0) check.
  sunrast: Replace magic number by a macro.

Conflicts:
	libavcodec/dsputil.c
	libavcodec/dsputil.h
	libavcodec/pngdec.c
	libavcodec/sunrast.c
	libavcodec/x86/Makefile
	libavcodec/x86/dsputil_mmx.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-30 05:20:58 +01:00
Ronald S. Bultje
e92003514d png: move DSP functions to their own DSP context. 2012-01-29 08:11:18 -08:00
Michael Niedermayer
49f2056289 pngdec: Convert 2/4 bit formats to 8bit.
This way 2 and 4 bit gray, rgb & rgba are supported.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-28 01:36:43 +01:00
Michael Niedermayer
d1c48025a7 pngdec: Do not use SIMD paeth prediction for bpp=2
Fixes decoding of basi4a08.png

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-22 00:46:19 +01:00
Michael Niedermayer
fd8a8373aa pngdec: Fix masks for interlaced decoding
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-22 00:46:19 +01:00
Michael Niedermayer
602e97dfaa pngdec: Add some FF_DEBUG based av_logs.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-22 00:46:19 +01:00
Carl Eugen Hoyos
e209a37777 Simplify 32bit png decoding. 2012-01-19 23:31:22 +01:00
Paul B Mahol
e20a4881ff pngdec: show verbose message for unsupported files 2012-01-09 22:35:19 +01:00
Carl Eugen Hoyos
613cbf3168 Fix some 1bit png samples, they can be palettised.
Fixes ticket #767.
2011-12-27 18:17:57 +01:00
Carl Eugen Hoyos
0c5fd6372e Do not try to read 16bit gray png files with alpha channel.
FFmpeg does not support gray16a.
Fixes the crash in ticket #644.
2011-11-12 19:30:27 +01:00
Reimar Döffinger
371e165443 Try to set AVFrame.reference to correct values.
I am not sure these new values are correct, not am I sure
the semantics are a good idea since we do not seem to make any
use of them but they caused a lot of confusion, but this
seems to make things closer to matching the documentation.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
2011-11-05 23:25:20 +01:00
Michael Niedermayer
f962518036 pngdec: set reference correctly for corepng.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-10-04 06:39:29 +02:00
Carl Eugen Hoyos
f863cdef81 Cosmetics: Fix comment. 2011-09-07 01:10:14 +02:00
Michael Niedermayer
0c9cba24b7 pngdec: implement 4bpp interlaced
Fixes Ticket435

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-06 19:50:01 +02:00
Michael Niedermayer
dcabb3d608 pngdec: implement 2 bpp interlaced.
Fixes Ticket434

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-06 19:50:01 +02:00
Michael Niedermayer
bc6445f2db pngdec: Fix interlaced PAETH prediction
Fixes Ticket161

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-06 16:22:38 +02:00
Michael Niedermayer
2d4102fc13 pngdec: Implement 2bpp
Fixes Ticket433

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-06 15:48:01 +02:00
Michael Niedermayer
dc43ad6d1a pngdec: Fix interlaced 1bpp
Fixes Ticket214

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-06 15:28:36 +02:00
Michael Niedermayer
738219c921 pngdec: 4bpp support
Fixes Ticket208

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-06 14:11:04 +02:00
Michael Niedermayer
faba79e080 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  mxfdec: Include FF_INPUT_BUFFER_PADDING_SIZE when allocating extradata.
  H.264: tweak some other x86 asm for Atom
  probe: Fix insane flow control.
  mpegts: remove invalid error check
  s302m: use nondeprecated audio sample format API
  lavc: use designated initialisers for all codecs.
  x86: cabac: add operand size suffixes missing from 6c32576

Conflicts:
	libavcodec/ac3enc_float.c
	libavcodec/flacenc.c
	libavcodec/frwu.c
	libavcodec/pictordec.c
	libavcodec/qtrleenc.c
	libavcodec/v210enc.c
	libavcodec/wmv2dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-07-30 06:46:08 +02:00
Anton Khirnov
ec6402b7c5 lavc: use designated initialisers for all codecs.
It's more readable and less prone to breakage.
2011-07-29 08:42:34 +02:00
Mans Rullgard
e23a05ab06 Fix incorrect max_lowres values
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-07-20 10:19:36 +01:00
Michael Niedermayer
99eb31e263 Merge remote-tracking branch 'qatar/master'
* qatar/master: (25 commits)
  Replace custom DEBUG preprocessor trickery by the standard one.
  vorbis: Remove non-compiling debug statement.
  vorbis: Remove pointless DEBUG #ifdef around debug output macros.
  cook: Remove non-compiling debug output.
  Remove pointless #ifdefs around function declarations in a header.
  Replace #ifdef + av_log() combinations by av_dlog().
  Replace custom debug output functions by av_dlog().
  cook: Remove unused debug functions.
  Remove stray extra arguments from av_dlog() invocations.
  targa: fix big-endian build
  v4l2: remove one forgotten use of AVFormatParameters.pix_fmt.
  vfwcap: add a framerate private option.
  v4l2: add a framerate private option.
  libdc1394: add a framerate private option.
  fbdev: add a framerate private option.
  bktr: add a framerate private option.
  oma: check avio_read() return value
  nutdec: remove unused variable
  Remove unused variables
  swscale: allocate larger buffer to handle altivec overreads.
  ...

Conflicts:
	ffmpeg.c
	libavcodec/dca.c
	libavcodec/dirac.c
	libavcodec/error_resilience.c
	libavcodec/h264.c
	libavcodec/mpeg12.c
	libavcodec/mpeg4videodec.c
	libavcodec/mpegvideo.c
	libavcodec/mpegvideo_enc.c
	libavcodec/pthread.c
	libavcodec/rv10.c
	libavcodec/s302m.c
	libavcodec/shorten.c
	libavcodec/truemotion2.c
	libavcodec/utils.c
	libavdevice/dv1394.c
	libavdevice/fbdev.c
	libavdevice/libdc1394.c
	libavdevice/v4l2.c
	libavformat/4xm.c
	libavformat/apetag.c
	libavformat/asfdec.c
	libavformat/avidec.c
	libavformat/mmf.c
	libavformat/mpeg.c
	libavformat/mpegenc.c
	libavformat/mpegts.c
	libavformat/oggdec.c
	libavformat/oggparseogm.c
	libavformat/rl2.c
	libavformat/rmdec.c
	libavformat/rpl.c
	libavformat/rtpdec_latm.c
	libavformat/sauce.c
	libavformat/sol.c
	libswscale/utils.c
	tests/ref/vsynth1/error
	tests/ref/vsynth2/error

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-06-03 05:19:30 +02:00
Mans Rullgard
e65ab9d94f Remove unused variables 2011-06-02 20:06:00 +01:00
Stefano Sabatini
68bed67d2e pngdec: relax condition for setting monoblack pixel format
Ignore color_type information for setting the monoblack pixel format,
only rely on bit_depth.

In particular: fix Test_1bpp_grayscale.png from issue #172.

This may work fine for some broken encoder, and not for others.
2011-05-16 16:34:47 +02:00
Stefano Sabatini
ce5e49b0c2 replace deprecated FF_*_TYPE symbols with AV_PICTURE_TYPE_* 2011-05-02 16:41:41 +02:00
Stefano Sabatini
975a1447f7 Replace deprecated FF_*_TYPE symbols with AV_PICTURE_TYPE_*.
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2011-05-02 12:18:44 +02:00
ami_stuff
658296e344 Remove lowres support from png decoder
The lowres support doesn't work correctly (crops the video), so let's remove it.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-04-29 01:29:19 +02:00
Baptiste Coudurier
045cc36fe7 100l, change #ifdef to #if 2011-04-27 14:24:36 -07:00
Baptiste Coudurier
46394d39e3 In png decoder, only call png_init_mmx if HAVE_MMX is defined. 2011-04-27 13:59:30 -07:00
Baptiste Coudurier
e91946ed23 Rename y400a to gray8a.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-04-27 21:36:30 +02:00
Baptiste Coudurier
6d4c49a2af Move png mmx functions into x86/png_mmx.c, remove them from DSPContext.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-04-27 20:08:09 +02:00