Log Message:
ffmpeg4, ffplay4: update to 4.4.2

version 4.4.2:
- fate: update reference files after the recent dash manifest muxer changes
- avformat/webmdashenc: fix on-demand profile string
- Update for FFmpeg 4.4.2
- avcodec/exr: Avoid signed overflow in displayWindow
- avcodec/diracdec: avoid signed integer overflow in global mv
- avcodec/takdsp: Fix integer overflow in decorrelate_sf()
- avcodec/apedec: fix a integer overflow in long_filter_high_3800()
- avfilter/vf_subtitles: pass storage size to libass
- avformat/aqtitledec: Skip unrepresentable durations
- avformat/cafdec: Do not store empty keys in read_info_chunk()
- avformat/mxfdec: Do not clear array in mxf_read_strong_ref_array() before writing
- avformat/mxfdec: Check for avio_read() failure in mxf_read_strong_ref_array()
- avformat/mxfdec: Check count in mxf_read_strong_ref_array()
- avformat/hls: Check target_duration
- avcodec/pixlet: Avoid signed integer overflow in scaling in filterfn()
- avformat/matroskadec: Check pre_ns
- avcodec/sonic: Use unsigned for predictor_k to avoid undefined behavior
- avcodec/libuavs3d: Check ff_set_dimensions() for failure
- avcodec/mjpegbdec: Set buf_size
- avformat/matroskadec: Use rounded down duration in get_cue_desc() check
- avcodec/argo: Check packet size
- avcodec/g729_parser: Check channels
- avformat/avidec: Check height
- avformat/rmdec: Better duplicate tags check
- avformat/mov: Disallow empty sidx
- avformat/argo_asf: Fix order of operations in error check in \ 
argo_asf_write_trailer()
- avformat/matroskadec: Check duration
- avformat/mov: Corner case encryption error cleanup in mov_read_senc()
- avcodec/jpeglsdec: Fix if( code style
- avcodec/jpeglsdec: Check get_ur_golomb_jpegls() for error
- avcodec/motion_est: fix indention of ff_get_best_fcode()
- avcodec/motion_est: Fix xy indexing on range violation in ff_get_best_fcode()
- avformat/hls: Use unsigned for iv computation
- avcodec/jpeglsdec: Increase range for N in ls_get_code_runterm() by using unsigned
- avformat/matroskadec: Check desc_bytes
- avformat/utils: Fix invalid NULL pointer operation in ff_parse_key_value()
- avformat/matroskadec: Fix infinite loop with bz decompression
- avformat/mov: Check size before subtraction
- avcodec/cfhd: Avoid signed integer overflow in coeff
- avcodec/apedec: Fix integer overflows in predictor_update_3930()
- avcodec/apedec: fix integer overflow in 8bit samples
- avformat/flvdec: timestamps cannot use the full int64 range
- avcodec/tiff: Remove messing with jpeg context
- avcodec/tiff: Use ff_set_dimensions() for setting up mjpeg context dimensions
- avcodec/tiff: Pass max_pixels to mjpeg context
- avcodec/vqavideo: reset accounting on error
- avcodec/alacdsp: fix integer overflow in decorrelate_stereo()
- avformat/4xm: Check for duplicate track ids
- avformat/4xm: Consider max_streams on reallocating tracks array
- avformat/mov: Check next offset in mov_read_dref()
- avformat/vivo: Favor setting fps from explicit fractions
- avformat/vivo: Do not use the general expression evaluator for parsing a \ 
floating point value
- avformat/mxfdec: Check for duplicate mxf_read_index_entry_array()
- avcodec/apedec: Change avg to uint32_t
- avformat/mxfdec: Check component_depth in mxf_get_color_range()
- avformat/mov: Disallow duplicate smdm
- avformat/mov: Check for EOF in mov_read_glbl()
- avcodec/vp3: Check version in all cases when VP4 code is not built
- avformat/mov: Check channels for mov_parse_stsd_audio()
- avformat/avidec: Check read_odml_index() for failure
- avformat/aiffdec: Use av_rescale() for bitrate
- avformat/aiffdec: sanity check block_align
- avformat/aiffdec: Check sample_rate
- avcodec/libdav1d: free the Dav1dData packet on dav1d_send_data() failure
- avcodec/zmbvenc: Fix memleak upon init error
- avcodec/dnxhdenc: Fix segfault when using too many slice threads
- avcodec/wma(dec|enc): Fix memleaks upon allocation error
- avfilter/avfilter: Actually error out on init error
- avcodec/opus_silk: Remove wrong size information in function declaration
- avformat/omadec: Don't output uninitialized values
- avformat/jacosubenc: Fix writing extradata
- avformat/cafenc: Fix memleak when trailer is never written
- avformat/cafenc: Don't segfault upon allocation error
- avformat/cafenc: Fix potential integer overflow
- avformat/movenc: Limit ism_lookahead to a sane value
- avutil/utils: Remove racy check from avutil_version()
- avformat/sccdec: Don't use uninitialized data, fix crash, simplify logic
- avformat/subtitles: Honour ff_subtitles_read_line() documentation
- avformat/tee: Fix leak of FIFO-options dictionary
- avformat/tee: Fix leak of strings
- avcodec/rasc: Fix potential use of uninitialized value
- avfilter/vf_w3fdif: Fix segfault on allocation error
- avfilter/af_surround: Fix memleaks upon allocation error
- avfilter/af_vibrato: Fix segfault upon allocation error
- avfilter/aeval: Fix leak of expressions upon reallocation error
- avdevice/xv: Increase array size
- avfilter/asrc_flite: Fix use-after-frees
- avfilter/asrc_flite: Don't segfault when using list_voices option
- Revert "avfilter/vf_idet: reduce noisyness if the filter has been auto \ 
inserted"
- avformat/matroskadec: Don't unnecessarily reduce aspect ratio
- avcodec/h263: Fix global-buffer-overflow with noout flag2 set
- avcodec/vaapi_encode: Fix segfault upon closing uninitialized encoder
- avcodec/movtextenc: Fix infinite loop due to variable truncation
- avcodec/libopenh264dec: Increase array sizes, fix stack-buffer overread
- avcodec/libkvazaar: Increase array size
- avformat/aadec: Don't use the same loop counter in inner and outer loop
- avformat/moflex: Don't use uninitialized timebase for data stream
- lavf/udp: do not return an uninitialized value from udp_open()
- avcodec/nvenc: zero-initialize NV_ENC_REGISTER_RESOURCE struct
- configure: Add missing libshine->mpegaudioheader dependency
- avcodec/Makefile: Add missing entry for ADPCM_IMA_AMV_ENCODER
- avcodec/Makefile: Only compile nvenc.o if needed
- avcodec/av1_vaapi: improve decode quality
- avcodec/av1_vaapi: enable segmentation features
- avcodec/av1_vaapi: setting 2 output surface for film grain
- avcodec/vaapi: increase av1 decode pool size
- avcodec/dxva2_av1: fix global motion params
- avcodec/av1_vaapi: add gm params valid check
- avcodec/av1dec: support setup shear process
- avcodec/av1: extend some definitions in spec section 3
- cbs_av1: fix incorrect data type
- avcodec/libdav1d: let libdav1d choose optimal max frame delay
- avcodec/libdav1d: pass auto threads value to libdav1d