Log Message:
ffmpeg4: updated to 4.1.4

version 4.1.4:
avcodec/ilbcdec: Simplify use of unsigned and fix more undefined overflows
avcodec/golomb: Correct the doxy about get_ue_golomb() and errors
avformat/utils: Check timebase before use in estimate_timings()
avcodec/hq_hqa: Use ff_set_dimensions()
avcodec/rv10: Fix integer overflow in aspect ratio compare
avcodec/4xm: Fix signed integer overflows in idct()
avcodec/qdm2: Check checksum_size for 0
avcodec/qdm2: error out of qdm2_fft_decode_tones() before entering endless loop
avcodec/qdm2: Do not read out of array in fix_coding_method_array()
avcodec/svq3: Use ff_set_dimension()
avcodec/iff: Check ham vs bpp
avcodec/ffwavesynth: use uint32_t to compute difference, it is enough
avcodec/ffwavesynth: Simplify lcg_seek(), avoid negative case
avcodec/ffwavesynth: Fix backward lcg_seek()
avcodec/flicvideo: Fix off by 1 error in flic_decode_frame_24BPP()
avcodec/vc1_block: Check for vlc error in vc1_decode_ac_coeff()
avcodec/alac: Check lpc_quant
avcodec/dxv: Initialize tex_funct to NULL
avcodec/alsdec: Add FF_CODEC_CAP_INIT_CLEANUP
avcodec/alsdec: Fix integer overflow with buffer number
avcodec/alsdec: Fixes signed integer overflow in LSB addition
avcodec/alsdec: Check opt_order / sb_length in ra_block handling
avcodec/alsdec: Fix integer overflow with shifting samples
avcodec/alsdec: Fix undefined behavior in decode_rice()
avcodec/alsdec: Fixes invalid shifts in read_var_block_data() and INTERLEAVE_OUTPUT()
avcodec/hevc_ps: Change num_tile_rows/columns checks to sps->ctb_height/weight
avcodec/hevc_ps: Fix integer overflow with num_tile_rows and num_tile_columns
avcodec/apedec: Add k < 24 check to the only k++ case which lacks such a check
avformat/aviobuf: Delay buffer downsizing until asserts are met
avcodec/fitsdec: Check data_min/max
avcodec/m101: Fix off be 2 error
avcodec/qdm2: Move fft_order check up
avcodec/libvorbisdec: Check extradata size
avformat/vqf: Check header_size
avcodec/atrac9dec: Check q_unit_cnt in parse_band_ext()
avcodec/atrac9dec: Check that the reused block has succeeded initilization
avcodec/utils: Check bits_per_coded_sample
avcodec/videodsp_template: Fix overflow of addition
avcodec/alsdec: Fix invalid shift in multiply()
avcodec/ffwavesynth: Check ts_end - ts_start for overflow
avcodec/vc1dsp: Avoid undefined shifts in vc1_v_s_overlap_c / vc1_h_s_overlap_c
avcodec/tta: Fix undefined shift
avcodec/qdmc: Fix integer overflows in PRNG
avcodec/bintext: Check font height
avcodec/binkdsp: Fix integer overflows in idct
avcodec/bink: Fix integer overflow in unquantize_dct_coeffs()
avcodec/motionpixels: Check for vlc error in mp_get_vlc()
avcodec/loco: Limit lossy parameter so it is sane and does not overflow
avformat/mov: Set fragment.found_tfhd only after TFHD has been parsed
avcodec/xpmdec: Do not use context dimensions as temporary variables
avcodec/fitsdec: Fix division by 0 in size check
avcodec/aacpsdsp_template: Fix integer overflow in ps_hybrid_analysis_c()
avcodec/truemotion2: Fix integer overflow in last loop in tm2_update_block()
avcodec/iff: finetune the palette size check in the mask case
avcodec/iff: Fix mask_buf / mask_palbuf leak
avformat/icodec: Free ico->images on error paths
avformat/wsddec: Fix undefined shift
avcodec/fmvc: Check if header fields are available before allocating the image
avcodec/bink: Reorder operations in init to avoid memleak on error
avformat/wtvdec: Avoid (32bit signed) sectors
avcodec/bitstream: Check for more conflicting codes in build_table()
avcodec/bitstream: Check for integer code truncation in build_table()
avformat/sbgdec: Fixes integer overflow in str_to_time() with hours
avformat/vpk: Check offset for validity
avformat/vpk: Fix integer overflow in samples_per_block computation
avcodec/mjpegdec: Check for non ls PAL8
avcodec/interplayvideo: check decoding_map_size with video_data_size
avcodec/h264_parse: Use 64bit for expectedpoc and expected_delta_per_poc_cycle
avcodec/mss4: Check input size against skip bits
avcodec/dxv: Check op_offset in dxv_decompress_cocg()
avcodec/diracdec: Fix integer overflow in global_mv()
avcodec/vmnc: Check available space against chunks before reget_buffer()
avcodec/aacdec_template: skip apply_tns() if max_sfb is 0 (from previous header \ 
decode failure)
avcodec/aacdec_fixed: Handle more extreem cases in noise_scale()
avcodec/aacdec_template: Merge 3 #ifs related to noise handling
avcodec/aacdec_fixed: ssign seems always -1 in noise_scale(), simplify
avformat/mp3enc: Avoid SEEK_END as it is unsupported
avcodec/truemotion2: Fix several integer overflows in tm2_update_block()
avformat/webm_chunk: Specify expected argument length of get_chunk_filename()
avformat/webm_chunk: Check header filename length
avcodec/cpia: Check input size also against linesizes and EOL
swscale/tests/swscale: Lengthen pixfmt name buffer to 21 bytes
libswcale: Fix possible string overflow in test.
avcodec/hq_hqa: Check available space before reading slice offsets
lavf/webm_chunk: Respect buffer size
avcodec/fits: Check bitpix
avcodec/jvdec: Use ff_get_buffer() when the content is not reused
avcodec/truemotion2: Fix 2 integer overflows in tm2_update_block()
avcodec/gdv: Check input palette size before rescale()
avcodec/jpeg2000: Check stepsize before using it
avcodec/aacdec_fixed: Fix undefined shift in noise_scale()
avutil/avstring: Fix bug and undefined behavior in av_strncasecmp()
avformat/mov: Skip stsd adjustment without chunks
avformat/aadec: Check for scanf() failure
avcodec/ccaption_dec: Add a blank like at the end to avoid rollup reading from \ 
outside
avcodec/ivi: Move buffer/block end check to caller of ivi_dc_transform()
avcodec/diracdec: Use 64bit in intermediate of global motion vector field generation
avcodec/truemotion2: Fix integer overflow in tm2_decode_blocks()
movsub_bsf: Fix mov2textsub regression
lavc/libaomenc: Add a maximum constraint of 64 encoder threads.
avformat/aacdec: fix demuxing of small frames
avcodec/cuviddec: improve progressive frame detection
avformat/matroskaenc: fix leak on error
avformat/av1: Initialize padding in ff_isom_write_av1c
avcodec/cbs_av1: fix parsing spatial_id