diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-01-28 04:23:26 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-01-28 07:53:34 +0100 |
| commit | e37f161e66e042d6c2c7470c4d9881df9427fc4a (patch) | |
| tree | 6400fd6453f0525a65724937532d5baa33deead3 /libavcodec/mjpegbdec.c | |
| parent | f21b6159cf3110a5f018d6addf7382840d427199 (diff) | |
| parent | e771e6dd63e837220aa5d959486546d2be972e83 (diff) | |
Merge remote-tracking branch 'qatar/master'
* qatar/master: (71 commits)
movenc: Allow writing to a non-seekable output if using empty moov
movenc: Support adding isml (smooth streaming live) metadata
libavcodec: Don't crash in avcodec_encode_audio if time_base isn't set
sunrast: Document the different Sun Raster file format types.
sunrast: Add a check for experimental type.
libspeexenc: use AVSampleFormat instead of deprecated/removed SampleFormat
lavf: remove disabled FF_API_SET_PTS_INFO cruft
lavf: remove disabled FF_API_OLD_INTERRUPT_CB cruft
lavf: remove disabled FF_API_REORDER_PRIVATE cruft
lavf: remove disabled FF_API_SEEK_PUBLIC cruft
lavf: remove disabled FF_API_STREAM_COPY cruft
lavf: remove disabled FF_API_PRELOAD cruft
lavf: remove disabled FF_API_NEW_STREAM cruft
lavf: remove disabled FF_API_RTSP_URL_OPTIONS cruft
lavf: remove disabled FF_API_MUXRATE cruft
lavf: remove disabled FF_API_FILESIZE cruft
lavf: remove disabled FF_API_TIMESTAMP cruft
lavf: remove disabled FF_API_LOOP_OUTPUT cruft
lavf: remove disabled FF_API_LOOP_INPUT cruft
lavf: remove disabled FF_API_AVSTREAM_QUALITY cruft
...
Conflicts:
doc/APIchanges
libavcodec/8bps.c
libavcodec/avcodec.h
libavcodec/libx264.c
libavcodec/mjpegbdec.c
libavcodec/options.c
libavcodec/sunrast.c
libavcodec/utils.c
libavcodec/version.h
libavcodec/x86/h264_deblock.asm
libavdevice/libdc1394.c
libavdevice/v4l2.c
libavformat/avformat.h
libavformat/avio.c
libavformat/avio.h
libavformat/aviobuf.c
libavformat/dv.c
libavformat/mov.c
libavformat/utils.c
libavformat/version.h
libavformat/wtv.c
libavutil/Makefile
libavutil/file.c
libswscale/x86/input.asm
libswscale/x86/swscale_mmx.c
libswscale/x86/swscale_template.c
tests/ref/lavf/ffm
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mjpegbdec.c')
| -rw-r--r-- | libavcodec/mjpegbdec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/mjpegbdec.c b/libavcodec/mjpegbdec.c index c8b1452e9e..fc77b14b44 100644 --- a/libavcodec/mjpegbdec.c +++ b/libavcodec/mjpegbdec.c @@ -59,6 +59,9 @@ read_header: s->restart_count = 0; s->mjpb_skiptosod = 0; + if (buf_end - buf_ptr >= 1 << 28) + return AVERROR_INVALIDDATA; + init_get_bits(&hgb, buf_ptr, /*buf_size*/(buf_end - buf_ptr)*8); skip_bits(&hgb, 32); /* reserved zeros */ @@ -111,7 +114,8 @@ read_header: av_log(avctx, AV_LOG_DEBUG, "sod offs: 0x%x\n", sod_offs); if (sos_offs) { - init_get_bits(&s->gb, buf_ptr+sos_offs, FFMIN(field_size, buf_end - (buf_ptr+sos_offs))*8); + init_get_bits(&s->gb, buf_ptr + sos_offs, + 8 * FFMIN(field_size, buf_end - buf_ptr - sos_offs)); s->mjpb_skiptosod = (sod_offs - sos_offs - show_bits(&s->gb, 16)); s->start_code = SOS; if (ff_mjpeg_decode_sos(s, NULL, NULL) < 0 && |