ffmpeg-4.2.1

[Bruce Dubbs]

New point version.

[Bruce Dubbs]

version 4.2.1:

• avformat/vividas: check for tiny blocks using alignment
• avcodec/vc1_pred: Fix refdist in scaleforopp()
• avcodec/vorbisdec: fix FASTDIV usage for vr_type == 2
• avcodec/iff: Check for overlap in cmap_read_palette()
• avcodec/apedec: Fix 32bit int overflow in do_apply_filter()
• lavf/rawenc: Only accept the appropriate stream type for raw muxers.
• avformat/matroskadec: use av_fast_realloc to reallocate ebml list arrays
• avformat/matroskadec: use proper types for some EbmlSyntax fields
• avcodec/ralf: fix undefined shift in extend_code()
• avcodec/ralf: fix undefined shift
• avcodec/bgmc: Check input space in ff_bgmc_decode_init()
• avcodec/vp3: Check for end of input in 2 places of vp4_unpack_macroblocks()
• avcodec/truemotion2: Fix multiple integer overflows in tm2_null_res_block()
• avcodec/vc1_block: Check the return code from vc1_decode_p_block()
• avcodec/vc1dec: Require res_sprite for wmv3images
• avcodec/vc1_block: Check for double escapes
• avcodec/vorbisdec: Check get_vlc2() failure
• avcodec/tta: Fix integer overflow in prediction
• avcodec/vb: Check input packet size to be large enough to contain flags
• avcodec/cavsdec: Limit the number of access units per packet to 2
• avcodec/atrac9dec: Check block_align
• avcodec/alac: Check for bps of 0
• avcodec/alac: Fix multiple integer overflows in lpc_prediction()
• avcodec/rl2: set dimensions
• avcodec/aacdec: Add FF_CODEC_CAP_INIT_CLEANUP
• avcodec/idcinvideo: Add 320x240 default maximum resolution
• avformat/realtextdec: free queue on error
• avcodec/vp5/6/8: use vpX_rac_is_end()
• avformat/vividas: Check av_xiphlacing() return value before use
• avcodec/alsdec: Fix integer overflow in decode_var_block_data()
• avcodec/alsdec: Limit maximum channels to 512
• avcodec/anm: Check input size for a frame with just a stop code
• avcodec/flicvideo: Optimize and Simplify FLI_COPY in flic_decode_frame_24BPP() by using bytestream2_get_buffer()
• avcodec/loco: Check left column value
• avcodec/ffwavesynth: Fixes invalid shift with pink noise seeking
• avcodec/ffwavesynth: Fix integer overflow for some corner case values
• avcodec/indeo2: Check remaining input more often
• avcodec/diracdec: Check that slices are fewer than pixels
• avcodec/vp56: Consider the alpha start as end of the prior header
• avcodec/4xm: Check for end of input in decode_p_block()
• avcodec/hevcdec: Check delta_luma_weight_l0/1
• avcodec/hnm4video: Optimize postprocess_current_frame()
• avcodec/hevc_refs: Optimize 16bit generate_missing_ref()
• avcodec/scpr: Use av_memcpy_backptr() in type 17 and 33
• avcodec/tiff: Enforce increasing offsets
• avcodec/dds: Use ff_set_dimensions()
• avformat/vividas: Fix another infinite loop
• avformat/vividas: Fix infinite loop in header parser
• avcodec/mpc8: Fix 32bit mask/enum
• avcodec/alsdec: Fix integer overflows of raw_samples in decode_var_block_data()
• avcodec/alsdec: Fix integer overflow of raw_samples in decode_blocks()
• avcodec/alsdec: fix mantisse shift
• avcodec/pngdec: consider chunk size in minimal size check
• avcodec/vc1_block: Fix invalid shifts in vc1_decode_i_blocks()
• avcodec/vc1_block: fix invalid shift in vc1_decode_p_mb()
• avcodec/aacdec_template: fix integer overflow in imdct_and_windowing()
• avformat/mpegts: Check if ready on SCTE reception
• avcodec/omx: fix xFramerate calculation
• avformat/avidec: add support for recognizing HEVC fourcc when demuxing
• avformat/mpegts: fix teletext PTS when selecting teletext streams only
• avcodec/h2645_parse: zero initialize the rbsp buffer
• avcodec/omx: Fix handling of fragmented buffers
• avcodec/omx: ensure zerocopy mode can be disabled on rpi builds
• avformat/mxfdec: do not ignore bad size errors
• avformat/matroskadec: Fix seeking
• ffplay: properly detect all window size changes

[Bruce Dubbs]

Fixed at revision 22125.