Commit Graph

258 Commits

Author SHA1 Message Date
Piotr Bandurski
f4596e8bb6 mjpegdec: Add support for 4:1:1 YUV
Fixes part of ticket 2004
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-04-22 22:03:09 +02:00
Michael Niedermayer
bec402b502 mjpegdec: fix overlapping memcpy with upscale_v
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-04-16 20:15:24 +02:00
Michael Niedermayer
aa28c42534 mjpegdec: check buffer before using it
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-29 05:00:15 +01:00
Paul B Mahol
a9b424879f lavc & lavf: replace deprecated av_log* functions
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-03-15 18:10:28 +00:00
Michael Niedermayer
ff9adf5725 mjpegdec: export qp table
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-15 03:02:27 +01:00
Michael Niedermayer
870e625108 mjpegdec: fix indention
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-14 17:31:14 +01:00
Michael Niedermayer
3c24fbbf65 jpegdec: be less picky on padding
Fixes Ticket2353

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-14 17:20:44 +01:00
Michael Niedermayer
fa92ee821b Merge commit '63d744e2be39466e3a734c2987cd713e0bac101e'
* commit '63d744e2be39466e3a734c2987cd713e0bac101e':
  av_log_missing_feature() ---> avpriv_report_missing_feature()

Conflicts:
	libavcodec/aacdec.c
	libavcodec/tta.c
	libavformat/mpegts.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-14 12:30:19 +01:00
Diego Biurrun
63d744e2be av_log_missing_feature() ---> avpriv_report_missing_feature() 2013-03-13 20:42:21 +01:00
Clément Bœsch
1ec94b0f06 lavc: factorize ff_{thread_,re,}get_buffer error messages.
Coccinelle profile used:

  @@
  expression r, ctx, f, loglevel, str, flags;
  @@

  -if ((r = ff_get_buffer(ctx, f, flags)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_get_buffer(ctx, f, flags)) < 0)
  +    return r;

  @@
  expression r, ctx, f, loglevel, str;
  @@

  -if ((r = ff_reget_buffer(ctx, f)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_reget_buffer(ctx, f)) < 0)
  +    return r;

  @@
  expression r, ctx, f, loglevel, str, flags;
  @@

  -if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0)
  +    return r;

...along with some manual patches for the remaining ones.
2013-03-13 19:00:10 +01:00
Ronald S. Bultje
e0a8f31591 mjpeg: use hpeldsp instead of dsputil for half-pel functions. 2013-03-13 03:59:10 +01:00
Michael Niedermayer
80e9e63c94 Merge commit '759001c534287a96dc96d1e274665feb7059145d'
* commit '759001c534287a96dc96d1e274665feb7059145d':
  lavc decoders: work with refcounted frames.

Anton Khirnov (1):
      lavc decoders: work with refcounted frames.

Clément Bœsch (47):
      lavc/ansi: reset file
      lavc/ansi: re-do refcounted frame changes from Anton
      fraps: reset file
      lavc/fraps: switch to refcounted frames
      gifdec: reset file
      lavc/gifdec: switch to refcounted frames
      dsicinav: resolve conflicts
      smc: resolve conflicts
      zmbv: resolve conflicts
      rpza: resolve conflicts
      vble: resolve conflicts
      xxan: resolve conflicts
      targa: resolve conflicts
      vmnc: resolve conflicts
      utvideodec: resolve conflicts
      tscc: resolve conflicts
      ulti: resolve conflicts
      ffv1dec: resolve conflicts
      dnxhddec: resolve conflicts
      v210dec: resolve conflicts
      vp3: resolve conflicts
      vcr1: resolve conflicts
      v210x: resolve conflicts
      wavpack: resolve conflicts
      pngdec: fix compilation
      roqvideodec: resolve conflicts
      pictordec: resolve conflicts
      mdec: resolve conflicts
      tiertexseqv: resolve conflicts
      smacker: resolve conflicts
      vb: resolve conflicts
      vqavideo: resolve conflicts
      xl: resolve conflicts
      tmv: resolve conflicts
      vmdav: resolve conflicts
      truemotion1: resolve conflicts
      truemotion2: resolve conflicts
      lcldec: fix compilation
      libcelt_dec: fix compilation
      qdrw: fix compilation
      r210dec: fix compilation
      rl2: fix compilation
      wnv1: fix compilation
      yop: fix compilation
      tiff: resolve conflicts
      interplayvideo: fix compilation
      qpeg: resolve conflicts (FIXME/TESTME).

Hendrik Leppkes (33):
      012v: convert to refcounted frames
      8bps: fix compilation
      8svx: resolve conflicts
      4xm: resolve conflicts
      aasc: resolve conflicts
      bfi: fix compilation
      aura: fix compilation
      alsdec: resolve conflicts
      avrndec: convert to refcounted frames
      avuidec: convert to refcounted frames
      bintext: convert to refcounted frames
      cavsdec: resolve conflicts
      brender_pix: convert to refcounted frames
      cinepak: resolve conflicts
      cinepak: avoid using AVFrame struct directly in private context
      cljr: fix compilation
      cpia: convert to refcounted frames
      cscd: resolve conflicts
      iff: resolve conflicts and do proper conversion to refcounted frames
      4xm: fix reference frame handling
      cyuv: fix compilation
      dxa: fix compilation
      eacmv: fix compilation
      eamad: fix compilation
      eatgv: fix compilation
      escape124: remove unused variable.
      escape130: convert to refcounted frames
      evrcdec: convert to refcounted frames
      exr: convert to refcounted frames
      mvcdec: convert to refcounted frames
      paf: properly free the frame data on decode close
      sgirle: convert to refcounted frames
      lavfi/moviesrc: use refcounted frames

Michael Niedermayer (56):
      Merge commit '759001c534287a96dc96d1e274665feb7059145d'
      resolve conflicts in headers
      motion_est: resolve conflict
      mpeg4videodec: fix conflicts
      dpcm conflict fix
      dpx: fix conflicts
      indeo3: resolve confilcts
      kmvc: resolve conflicts
      kmvc: resolve conflicts
      h264: resolve conflicts
      utils: resolve conflicts
      rawdec: resolve conflcits
      mpegvideo: resolve conflicts
      svq1enc: resolve conflicts
      mpegvideo: dont clear data, fix assertion failure on fate vsynth1 with threads
      pthreads: resolve conflicts
      frame_thread_encoder: simple compilefix not yet tested
      snow: update to buffer refs
      crytsalhd: fix compile
      dirac: switch to new API
      sonic: update to new API
      svq1: resolve conflict, update to new API
      ffwavesynth: update to new buffer API
      g729: update to new API
      indeo5: fix compile
      j2kdec: update to new buffer API
      linopencore-amr: fix compile
      libvorbisdec: update to new API
      loco: fix compile
      paf: update to new API
      proresdec: update to new API
      vp56: update to new api / resolve conflicts
      xface: convert to refcounted frames
      xan: fix compile&fate
      v408: update to ref counted buffers
      v308: update to ref counted buffers
      yuv4dec: update to ref counted buffers
      y41p: update to ref counted frames
      xbm: update to refcounted frames
      targa_y216: update to refcounted buffers
      qpeg: fix fate/crash
      cdxl: fix fate
      tscc: fix reget buffer useage
      targa_y216dec: fix style
      msmpeg4: fix fate
      h264: ref_picture() copy fields that have been lost too
      update_frame_pool: use channel field
      h264: Put code that prevents deadlocks back
      mpegvideo: dont allow last == current
      wmalossless: fix buffer ref messup
      ff_alloc_picture: free tables in case of dimension mismatches
      h264: fix null pointer dereference and assertion failure
      frame_thread_encoder: update to bufrefs
      ec: fix used arrays
      snowdec: fix off by 1 error in dimensions check
      h264: disallow single unpaired fields as references of frames

Paul B Mahol (2):
      lavc/vima: convert to refcounted frames
      sanm: convert to refcounted frames

Conflicts:
	libavcodec/4xm.c
	libavcodec/8bps.c
	libavcodec/8svx.c
	libavcodec/aasc.c
	libavcodec/alsdec.c
	libavcodec/anm.c
	libavcodec/ansi.c
	libavcodec/avs.c
	libavcodec/bethsoftvideo.c
	libavcodec/bfi.c
	libavcodec/c93.c
	libavcodec/cavsdec.c
	libavcodec/cdgraphics.c
	libavcodec/cinepak.c
	libavcodec/cljr.c
	libavcodec/cscd.c
	libavcodec/dnxhddec.c
	libavcodec/dpcm.c
	libavcodec/dpx.c
	libavcodec/dsicinav.c
	libavcodec/dvdec.c
	libavcodec/dxa.c
	libavcodec/eacmv.c
	libavcodec/eamad.c
	libavcodec/eatgq.c
	libavcodec/eatgv.c
	libavcodec/eatqi.c
	libavcodec/error_resilience.c
	libavcodec/escape124.c
	libavcodec/ffv1.h
	libavcodec/ffv1dec.c
	libavcodec/flicvideo.c
	libavcodec/fraps.c
	libavcodec/frwu.c
	libavcodec/g723_1.c
	libavcodec/gifdec.c
	libavcodec/h264.c
	libavcodec/h264.h
	libavcodec/h264_direct.c
	libavcodec/h264_loopfilter.c
	libavcodec/h264_refs.c
	libavcodec/huffyuvdec.c
	libavcodec/idcinvideo.c
	libavcodec/iff.c
	libavcodec/indeo2.c
	libavcodec/indeo3.c
	libavcodec/internal.h
	libavcodec/interplayvideo.c
	libavcodec/ivi_common.c
	libavcodec/jvdec.c
	libavcodec/kgv1dec.c
	libavcodec/kmvc.c
	libavcodec/lagarith.c
	libavcodec/libopenjpegdec.c
	libavcodec/mdec.c
	libavcodec/mimic.c
	libavcodec/mjpegbdec.c
	libavcodec/mjpegdec.c
	libavcodec/mmvideo.c
	libavcodec/motion_est.c
	libavcodec/motionpixels.c
	libavcodec/mpc7.c
	libavcodec/mpeg12.c
	libavcodec/mpeg4videodec.c
	libavcodec/mpegvideo.c
	libavcodec/mpegvideo.h
	libavcodec/msrle.c
	libavcodec/msvideo1.c
	libavcodec/nuv.c
	libavcodec/options_table.h
	libavcodec/pcx.c
	libavcodec/pictordec.c
	libavcodec/pngdec.c
	libavcodec/pnmdec.c
	libavcodec/pthread.c
	libavcodec/qpeg.c
	libavcodec/qtrle.c
	libavcodec/r210dec.c
	libavcodec/rawdec.c
	libavcodec/roqvideodec.c
	libavcodec/rpza.c
	libavcodec/smacker.c
	libavcodec/smc.c
	libavcodec/svq1dec.c
	libavcodec/svq1enc.c
	libavcodec/targa.c
	libavcodec/tiertexseqv.c
	libavcodec/tiff.c
	libavcodec/tmv.c
	libavcodec/truemotion1.c
	libavcodec/truemotion2.c
	libavcodec/tscc.c
	libavcodec/ulti.c
	libavcodec/utils.c
	libavcodec/utvideodec.c
	libavcodec/v210dec.c
	libavcodec/v210x.c
	libavcodec/vb.c
	libavcodec/vble.c
	libavcodec/vcr1.c
	libavcodec/vmdav.c
	libavcodec/vmnc.c
	libavcodec/vp3.c
	libavcodec/vp56.c
	libavcodec/vp56.h
	libavcodec/vp6.c
	libavcodec/vqavideo.c
	libavcodec/wavpack.c
	libavcodec/xl.c
	libavcodec/xxan.c
	libavcodec/zmbv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-12 03:23:28 +01:00
Anton Khirnov
759001c534 lavc decoders: work with refcounted frames. 2013-03-08 07:38:30 +01:00
Michael Niedermayer
03bc7a004e mjpegdec: fix endiansoup
Fixes Ticket2175

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-02 19:12:06 +01:00
Michael Niedermayer
a984efd104 Merge commit 'c242bbd8b6939507a1a6fb64101b0553d92d303f'
* commit 'c242bbd8b6939507a1a6fb64101b0553d92d303f':
  Remove unnecessary dsputil.h #includes

Conflicts:
	libavcodec/ffv1.c
	libavcodec/h261dec.c
	libavcodec/h261enc.c
	libavcodec/h264pred.c
	libavcodec/lpc.h
	libavcodec/mjpegdec.c
	libavcodec/rectangle.h
	libavcodec/x86/idct_sse2_xvid.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-02-26 13:05:10 +01:00
Diego Biurrun
c242bbd8b6 Remove unnecessary dsputil.h #includes 2013-02-26 00:51:34 +01:00
Michael Niedermayer
47e92153b6 mjpegdec: check for packed rgb mjpeg.
Fixes null pointer dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-02-21 00:03:36 +01:00
Michael Niedermayer
b2e57eb5a3 mjpegdec: pass nb_components into ljpeg_decode_yuv_scan
Fixes null pointer dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-02-13 14:20:46 +01:00
Michael Niedermayer
b05830169d Merge commit 'b9ba5253dd1232be4b48cfe61c31ff4b3de3d10a'
* commit 'b9ba5253dd1232be4b48cfe61c31ff4b3de3d10a':
  dsputil: Move copy_block functions to a separate header
  dsputil: Drop unused functions copy_block{2|4|16}

No functions are droped because they are used in several places.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-02-09 13:23:59 +01:00
Michael Niedermayer
e5212354ea Merge commit 'b9ee5f2cab3ffe1c962e542346b1ed61394864ec'
* commit 'b9ee5f2cab3ffe1c962e542346b1ed61394864ec':
  indeo3: replace use of copy_block4 with put_pixels
  mjpegdec: use put_pixels instead of copy_block8

Conflicts:
	libavcodec/mjpegdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-02-09 12:37:03 +01:00
Mans Rullgard
ed62e6e3c3 mjpegdec: use put_pixels instead of copy_block8
Signed-off-by: Mans Rullgard <mans@mansr.com>
2013-02-07 22:08:19 +01:00
Michael Niedermayer
4ade824e1f mjpegdec: rgb mode is specific for ljpeg, disable it for others.
Fixes null pointer dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-27 23:47:23 +01:00
Michael Niedermayer
8888c72fcf mjpegdec: fix memcmp size for *_count
Fixes assertion failure

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-27 23:47:23 +01:00
Michael Niedermayer
8380fc8884 Merge commit '7bcaeb408e3eb2d2f37a306009fa7fe7eb0f1d79'
* commit '7bcaeb408e3eb2d2f37a306009fa7fe7eb0f1d79':
  mjpegdec: fix indentation
  rawdec: cosmetics, reformat
  mimic: return meaningful error codes.

Conflicts:
	libavcodec/mjpegdec.c
	libavcodec/rawdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-26 15:42:29 +01:00
Anton Khirnov
7bcaeb408e mjpegdec: fix indentation 2013-01-26 13:08:07 +01:00
Michael Niedermayer
ac8987591f Merge commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f'
* commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f':
  Drop DCTELEM typedef

Conflicts:
	libavcodec/alpha/dsputil_alpha.h
	libavcodec/alpha/motion_est_alpha.c
	libavcodec/arm/dsputil_init_armv6.c
	libavcodec/bfin/dsputil_bfin.h
	libavcodec/bfin/pixels_bfin.S
	libavcodec/cavs.c
	libavcodec/cavsdec.c
	libavcodec/dct-test.c
	libavcodec/dnxhdenc.c
	libavcodec/dsputil.c
	libavcodec/dsputil.h
	libavcodec/dsputil_template.c
	libavcodec/eamad.c
	libavcodec/h264_cavlc.c
	libavcodec/h264idct_template.c
	libavcodec/mpeg12.c
	libavcodec/mpegvideo.c
	libavcodec/mpegvideo.h
	libavcodec/mpegvideo_enc.c
	libavcodec/ppc/dsputil_altivec.c
	libavcodec/proresdsp.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-23 17:44:56 +01:00
Diego Biurrun
88bd7fdc82 Drop DCTELEM typedef
It does not help as an abstraction and adds dsputil dependencies.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2013-01-22 18:32:56 -08:00
Michael Niedermayer
969e75eb80 mjpegdec: Fix out of array read in unescaping code
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-11 18:20:25 +01:00
Michael Niedermayer
4c80184cf5 mjpegdec: allow 2 components in ljpeg_decode_yuv_scan()
Fixes assertion failure

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-08 02:54:21 +01:00
Paul B Mahol
d885cc41e5 Fix "knwon" typo and add a check in tools/patcheck
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2013-01-04 19:24:37 +00:00
Michael Niedermayer
69db85c30c mjpegdec: Support 16bit DQT
Fixes Ticket2072

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-27 23:18:40 +01:00
Michael Niedermayer
b61097fe0d mjpegdec: reset restart_count on progressive scans
Fixes Ticket2068

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-27 17:41:53 +01:00
Michael Niedermayer
011169cd41 mjpegdec: handle the occurance of rstn emulation
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-26 20:43:56 +01:00
Michael Niedermayer
5ff8ca1f04 mjpegdec: Handle RSTn in progressive jpegs
Fixes Ticket2003

Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-26 20:43:20 +01:00
Michael Niedermayer
47e7f57a4b mjpegdec: factor handle_rstn() out
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-26 20:25:02 +01:00
Michael Niedermayer
e7d924da30 Merge commit '91ac403b1316d59b4f43c4ea0f237e24cec2819a'
* commit '91ac403b1316d59b4f43c4ea0f237e24cec2819a':
  lavf: fix arithmetic overflows in avformat_seek_file()
  mjpeg: initialize input padding after unescaped buffer to zero

Conflicts:
	libavformat/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-09 13:56:46 +01:00
Piotr Bandurski
e5550c0d09 mjpegdec: support more pix_fmt_ids for grayscale
samples created with

"cjpeg -grayscale -sample 1x3 / 1x4 / 3x1 / 3x3 / 4x1 / 4x3 / 4x4"

http://www.datafilehost.com/download-d828329d.html

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-08 19:24:09 +01:00
Janne Grunau
6a1aa5cb26 mjpeg: initialize input padding after unescaped buffer to zero
Fixes valgrind --undef-value-errors=yes warnings caused by valid
overreads in the fate vsynth jpegls, cover-art-ape and cover-art-wv
tests.
2012-12-08 17:05:45 +01:00
Michael Niedermayer
fc1152de41 Merge commit 'df9b9567518f2840d79a4a96b447ebe1aa326408'
* commit 'df9b9567518f2840d79a4a96b447ebe1aa326408':
  lavc: fix decode_frame() third parameter semantics for video decoders

Conflicts:
	libavcodec/cscd.c
	libavcodec/eamad.c
	libavcodec/ffv1dec.c
	libavcodec/gifdec.c
	libavcodec/h264.c
	libavcodec/iff.c
	libavcodec/mjpegdec.c
	libavcodec/pcx.c
	libavcodec/vp56.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-05 17:20:19 +01:00
Michael Niedermayer
874c5b02c4 Merge commit '594d4d5df3c70404168701dd5c90b7e6e5587793'
* commit '594d4d5df3c70404168701dd5c90b7e6e5587793':
  lavc: add a wrapper for AVCodecContext.get_buffer().

Conflicts:
	libavcodec/4xm.c
	libavcodec/8svx.c
	libavcodec/bmv.c
	libavcodec/cljr.c
	libavcodec/cscd.c
	libavcodec/dnxhddec.c
	libavcodec/dpcm.c
	libavcodec/dpx.c
	libavcodec/eacmv.c
	libavcodec/eamad.c
	libavcodec/frwu.c
	libavcodec/g723_1.c
	libavcodec/gifdec.c
	libavcodec/idcinvideo.c
	libavcodec/iff.c
	libavcodec/indeo3.c
	libavcodec/internal.h
	libavcodec/interplayvideo.c
	libavcodec/kmvc.c
	libavcodec/mpc7.c
	libavcodec/mpegaudiodec.c
	libavcodec/pcx.c
	libavcodec/pngdec.c
	libavcodec/pnmdec.c
	libavcodec/rl2.c
	libavcodec/snow.c
	libavcodec/targa.c
	libavcodec/tscc.c
	libavcodec/txd.c
	libavcodec/utils.c
	libavcodec/v210dec.c
	libavcodec/vb.c
	libavcodec/vmdav.c
	libavcodec/vp56.c
	libavcodec/vqavideo.c
	libavcodec/wavpack.c
	libavcodec/wnv1.c
	libavcodec/xl.c
	libavcodec/yop.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-05 15:18:12 +01:00
Anton Khirnov
df9b956751 lavc: fix decode_frame() third parameter semantics for video decoders
It's got_frame, not data size
2012-12-04 21:45:36 +01:00
Anton Khirnov
594d4d5df3 lavc: add a wrapper for AVCodecContext.get_buffer().
It will be useful in the upcoming transition to refcounted AVFrames.
2012-12-04 21:41:59 +01:00
Michael Niedermayer
bc16031a41 mjpegdec: print error message when quant_index is invalid
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-30 04:17:03 +01:00
Michael Niedermayer
a2f680c7bc mjpegdec: check h/v_count, fix context becoming inconsistent and causing out of array accesses.
This also fixes a long standing comment in the code.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-30 04:17:03 +01:00
Michael Niedermayer
2cfa6fd025 mjpegdec: dont set got_picture to 0 per frame.
Fixes Ticket1915

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-27 20:16:49 +01:00
Michael Niedermayer
541efe4120 mjpegdec: reset got_picture on errors, successful return, init and flush.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-27 20:16:49 +01:00
Michael Niedermayer
1c16483cc0 mjpegdec: replace returns by goto fail in frame decode.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-27 20:16:49 +01:00
Michael Niedermayer
de9fc0e9d6 mjpegdec: make sure ret is set before its used.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-27 20:16:49 +01:00
Michael Niedermayer
dab19048a1 mjpegdec: reset h/v_count, fix assertion failure.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-18 06:00:44 +01:00
Michael Niedermayer
a9456c7c5c mjpegdec: tighten unescaped_buf_size size check, prevent null ptr deref
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-12 20:27:57 +01:00