ffmpeg-2.8.3

[Fernando de Oliveira]

​http://ffmpeg.org/releases/ffmpeg-2.8.3.tar.bz2

​https://git.videolan.org/?p=ffmpeg.git;a=blob_plain;f=Changelog;hb=refs/tags/n2.8.3

version 2.8.3
- avcodec/cabac: Check initial cabac decoder state
- avcodec/cabac_functions: Fix "left shift of negative value -31767"
- avcodec/h264_slice: Limit max_contexts when slice_context_count is
  initialized
- rtmpcrypt: Do the xtea decryption in little endian mode
- avformat/matroskadec: Check subtitle stream before dereferencing
- avcodec/pngdec: Replace assert by request for sample for unsupported
  TRNS cases
- avformat/utils: Do not init parser if probing is unfinished
- avcodec/jpeg2000dec: Fix potential integer overflow with tile
  dimensions
- avcodec/jpeg2000: Use av_image_check_size() in
  ff_jpeg2000_init_component()
- avcodec/wmaprodec: Check for overread in decode_packet()
- avcodec/smacker: Check that the data size is a multiple of a sample
  vector
- avcodec/takdec: Skip last p2 sample (which is unused)
- avcodec/dxtory: Fix input size check in dxtory_decode_v1_410()
- avcodec/dxtory: Fix input size check in dxtory_decode_v1_420()
- avcodec/error_resilience: avoid accessing previous or next frames
  tables beyond height
- avcodec/dpx: Move need_align to act per line
- avcodec/flashsv: Check size before updating it
- avcodec/ivi: Check image dimensions
- avcodec/utils: Better check for channels in
  av_get_audio_frame_duration()
- avcodec/jpeg2000dec: Check for duplicate SIZ marker
- aacsbr: don't call sbr_dequant twice without intermediate
  read_sbr_data
- hqx: correct type and size check of info_offset
- mxfdec: check edit_rate also for physical_track
- avcodec/jpeg2000: Change coord to 32bit to support larger than 32k
  width or height
- avcodec/jpeg2000dec: Check SIZ dimensions to be within the supported
  range
- avcodec/jpeg2000: Check comp coords to be within the supported size
- mpegvideo: clear overread in clear_context
- avcodec/avrndec: Use the AVFrame format instead of the context
- dds: disable palette flag for compressed images
- dds: validate compressed source buffer size
- dds: validate source buffer size before copying
- dvdsubdec: validate offset2 similar to offset1
- brstm: reject negative sample rate
- aacps: avoid division by zero in stereo_processing
- softfloat: assert when the argument of av_sqrt_sf is negative

[Fernando de Oliveira]

Fixed at r16692.