Log message:
ffmpeg3: update to 3.4

version 3.4:
- deflicker video filter
- doubleweave video filter
- lumakey video filter
- pixscope video filter
- oscilloscope video filter
- config.log and other configuration files moved into ffbuild/ directory
- update cuvid/nvenc headers to Video Codec SDK 8.0.14
- afir audio filter
- scale_cuda CUDA based video scale filter
- librsvg support for svg rasterization
- crossfeed audio filter
- spec compliant VP9 muxing support in MP4
- remove the libnut muxer/demuxer wrappers
- remove the libschroedinger encoder/decoder wrappers
- surround audio filter
- sofalizer filter switched to libmysofa
- Gremlin Digital Video demuxer and decoder
- headphone audio filter
- superequalizer audio filter
- roberts video filter
- The x86 assembler default switched from yasm to nasm, pass
  --x86asmexe=yasm to configure to restore the old behavior.
- additional frame format support for Interplay MVE movies
- support for decoding through D3D11VA in ffmpeg
- limiter video filter
- libvmaf video filter
- Dolby E decoder and SMPTE 337M demuxer
- unpremultiply video filter
- tlut2 video filter
- floodfill video filter
- pseudocolor video filter
- raw G.726 muxer and demuxer, left- and right-justified
- NewTek NDI input/output device
- Some video filters with several inputs now use a common set of options:
  blend, libvmaf, lut3d, overlay, psnr, ssim.
  They must always be used by name.
- FITS demuxer and decoder
- FITS muxer and encoder
- add --disable-autodetect build switch
- drop deprecated qtkit input device (use avfoundation instead)
- despill video filter
- haas audio filter
- SUP/PGS subtitle muxer
- convolve video filter
- VP9 tile threading support
- KMS screen grabber
- CUDA thumbnail filter
- V4L2 mem2mem HW assisted codecs
- Rockchip MPP hardware decoding
- vmafmotion video filter
- use MIME type "G726" for little-endian G.726, "AAL2-G726" \ 
for big-endian G.726

Log message:
ffmpeg3: add untested rpi option

Add hardware support for Raspberry Pi.
From trebol on pkgsrc-users.

Log message:
ffmpeg[123]: added rtmp option

Log message:
version 3.3.4:
- avcodec/hevc_ps: improve check for missing default display window bitstream
- avcodec/hevc_ps: Fix c?_qp_offset_list size
- avcodec/shorten: Move buffer allocation and offset init to end of read_header()
- avcodec/jpeg2000dsp: Fix multiple integer overflows in ict_int()
- avcodec/hevcdsp_template: Fix undefined shift in put_hevc_pel_bi_w_pixels
- avcodec/diracdec: Fix overflow in DC computation
- avcodec/scpr: optimize shift loop.
- avcodec/dirac_vlc: limit res_bits in APPEND_RESIDUE()
- libavcodec/h264_parse: don't use uninitialized value when chroma_format_idc==0
- avformat/asfdec: Fix DoS in asf_build_simple_index()
- avformat/mov: Fix DoS in read_tfra()
- avcodec/dirac_vlc: Fix invalid shift in ff_dirac_golomb_read_32bit()
- avcodec/dirac_dwt: Fix multiple overflows in 9/7 lifting
- avcodec/diracdec: Fix integer overflow in INTRA_DC_PRED()
- avformat/mxfdec: Fix Sign error in mxf_read_primer_pack()
- avformat/mxfdec: Fix DoS issues in mxf_read_index_entry_array()
- avformat/nsvdec: Fix DoS due to lack of eof check in nsvs_file_offset loop.
- avcodec/snowdec: Fix integer overflow in decode_subband_slice_buffered()
- avcodec/hevc_ps: Fix undefined shift in pcm code
- avcodec/sbrdsp_fixed: Fix undefined overflows in autocorrelate()
- avformat/mvdec: Fix DoS due to lack of eof check
- avformat/rl2: Fix DoS due to lack of eof check
- avformat/rmdec: Fix DoS due to lack of eof check
- avformat/cinedec: Fix DoS due to lack of eof check
- avformat/asfdec: Fix DoS due to lack of eof check
- avformat/hls: Fix DoS due to infinite loop
- ffprobe: Fix NULL pointer handling in color parameter printing
- ffprobe: Fix null pointer dereference with color primaries
- avcodec/hevc_ps: Check delta_pocs in ff_hevc_decode_short_term_rps()
- avformat/rtpdec_h264: Fix heap-buffer-overflow
- avformat/aviobuf: Fix signed integer overflow in avio_seek()
- avformat/mov: Fix signed integer overflows with total_size
- avcodec/utils: Fix signed integer overflow in rc_initial_buffer_occupancy \ 
initialization
- avcodec/aacdec_template: Fix running cleanup in decode_ics_info()
- avcodec/me_cmp: Fix crashes on ARM due to misalignment
- avcodec/pixlet: Fixes: undefined shift in av_mod_uintp2()
- avcodec/dirac_dwt_template: Fix integer overflow in vertical_compose53iL0()
- avcodec/fic: Fixes signed integer overflow
- avcodec/snowdec: Fix off by 1 error
- avcodec/pixlet: fixes integer overflow in read_highpass()
- avcodec/zmbv: Check decomp_size
- avcodec/diracdec: Fixes integer overflow
- avcodec/diracdec: Check perspective_exp and zrs_exp.
- avcodec/ffv1dec_template: Fix undefined shift
- avcodec/mpeg4videodec: Clear mcsel before decoding an image
- avcodec/dirac_dwt: Fixes integer overflows in COMPOSE_DAUB97*
- avcodec/aacdec_fixed: fix invalid shift in predict()
- avcodec/h264_slice: Fix overflow in slice offset
- avformat/utils: fix memory leak in avformat_free_context
- swscale: fix gbrap16 alpha channel issues
- avcodec/h264idct_template: Fix integer overflow in ff_h264_idct_add()
- avcodec/diracdsp: fix integer overflow
- avcodec/diracdec: Check weight_log2denom
- avcodec/nvenc: only push cuda context on encoder close if encoder exists
- avfilter/vf_ssim: fix temp size calculation

Log message:
version 3.3.3:
- avcodec/dirac_dwt: Fix multiple integer overflows in COMPOSE_DD97iH0()
- avcodec/diracdec: Fix integer overflow in divide3()
- avcodec/takdec: Fix integer overflow in decode_subframe()
- avformat/rtmppkt: Convert ff_amf_get_field_value() to bytestream2
- avformat/rtmppkt: Convert ff_amf_tag_size() to bytestream2
- avcodec/diracdec: Fix integer overflow in signed multiplication in UNPACK_ARITH()
- avcodec/pixlet: Simplify nbits computation
- avcodec/dnxhddec: Move mb height check out of non hr branch
- avcodec/hevc_ps: fix integer overflow in log2_parallel_merge_level_minus2
- avformat/oggparsecelt: Do not re-allocate os->private
- avcodec/ylc: Fix shift overflow
- avcodec/aacps: Fix multiple integer overflow in map_val_34_to_20()
- avcodec/aacdec_fixed: fix: left shift of negative value -1
- avcodec/dirac_vlc: Fix undefined shift
- doc/filters: typo in frei0r
- avcodec/cfhd: Fix decoding regression due to height check
- avcodec/aacdec_template (fixed point): Check gain in decode_cce() to avoid \ 
undefined shifts later
- avcodec/ffv1dec_template: Fix signed integer overflow
- avcodec/aacdec_template: Fix undefined integer overflow in apply_tns()
- avcodec/magicyuv: Check that vlc len is not too large
- avcodec/mjpegdec: Clip DC also on the negative side.
- avcodec/aacps (fixed point): Fix multiple signed integer overflows
- avcodec/ylc: Fix vlc of 31 bits
- avcodec/sbrdsp_fixed: Fix integer overflow in sbr_hf_apply_noise()
- avcodec/hevcdec: do not let updated extradata corrupt state
- avcodec/wavpack: Fix invalid shift
- avcodec/h264_slice: Fix signed integer overflow
- avcodec/hevc_ps: Fix integer overflow with beta/tc offsets
- avcodec/cfhd: Fix invalid left shift of negative value
- avcodec/vb: Check vertical GMC component before multiply
- avcodec/hevcdec: do basic validity check on delta_chroma_weight and offset
- avcodec/jpeg2000dwt: Fix integer overflow in dwt_decode97_int()
- avcodec/apedec: Fix integer overflow
- avcodec/wavpack: Fix integer overflow in wv_unpack_stereo()
- avcodec/hevc_ps: Fix max_dec_buffer check
- avcodec/mpeg4videodec: Fix GMC with videos of dimension 1
- avcodec/wavpack: Fix integer overflow
- avcodec/takdec: Fix integer overflow
- avcodec/tiff: Update pointer only when the result is used
- avcodec/cfhd: Check bpc before setting bpc in context
- avcodec/cfhd: Fix undefined shift
- avcodec/hevc_filter: Fix invalid shift
- avcodec/mpeg4videodec: Fix overflow in virtual_ref computation
- avcodec/lpc: signed integer overflow in compute_lpc_coefs() (aacdec_fixed)
- avcodec/wavpack: Fix undefined integer negation
- avcodec/aacdec_fixed: Check s for being too small
- avcodec/htmlsubtitles: Replace very slow redundant sscanf() calls by cleaner \ 
and faster code
- avcodec/h264: Fix mix of lossless and lossy MBs decoding
- avcodec/h264_mb: Fix 8x8dct in lossless for new versions of x264
- avcodec/h264_cabac: Fix CABAC+8x8dct in 4:4:4
- avcodec/takdec: Fixes: integer overflow in AV_SAMPLE_FMT_U8P output
- avcodec/jpeg2000dsp: Reorder operations in ict_int() to avoid 2 integer overflows
- avcodec/hevcpred_template: Fix left shift of negative value
- avcodec/hevcdec: Fix signed integer overflow in decode_lt_rps()
- avcodec/jpeg2000dec: Check nonzerobits more completely
- avcodec/shorten: Sanity check maxnlpc
- avcodec/truemotion2: Move skip computation after checks
- avcodec/jpeg2000: Fixes integer overflow in ff_jpeg2000_ceildivpow2()
- avcodec/dnxhd_parser: Do not return invalid value from dnxhd_find_frame_end() \ 
on error
- avcodec/hevcdec: Check nb_sps
- avcodec/hevc_refs: Check nb_refs in add_candidate_ref()
- avcodec/mpeg4videodec: Check sprite delta upshift against overflowing.
- avcodec/mpeg4videodec: Fix integer overflow in num_sprite_warping_points=2 case
- avcodec/aacsbr_fixed: Check shift in sbr_hf_assemble()
- avcodec/sbrdsp_fixed: Return an error from sbr_hf_apply_noise() if operations \ 
are impossible
- avcodec/libvpxdec: Check that display dimensions fit in the storage dimensions
- avcodec/jpeg2000dwt: Fix runtime error: left shift of negative value -123
- avcodec/wavpack: Fix runtime error: signed integer overflow: 1886191616 + \ 
277872640 cannot be represented in type 'int'
- avcodec/snowdec: Fix runtime error: left shift of negative value -1
- avcodec/aacdec_fixed: Fix runtime error: left shift of negative value -1297616
- avcodec/tiff: Fix leak of geotags[].val
- avcodec/ra144: Fix runtime error: signed integer overflow: -2200 * 1033073 \ 
cannot be represented in type 'int'
- avcodec/flicvideo: Fix runtime error: signed integer overflow: 4864 * 459296 \ 
cannot be represented in type 'int'
- avcodec/cfhd: Check band parameters before storing them
- avcodec/h264_parse: Check picture structure when initializig weight table
- avcodec/indeo4: Check remaining data in Pic hdr extension parsing code
- avcodec/ac3dec_fixed: Fix multiple runtime error: signed integer overflow: \ 
-39271008 * 59 cannot be represented in type 'int'
- lavc/aarch64/simple_idct: fix idct_col4_top coefficient

Log message:
Rev1: build libavresample -- needed by multimedia/gpac

Log message:
version 3.3.2:
- avcodec/mpeg4videodec: Fix runtime error: signed integer overflow: 53098 * \ 
40448 cannot be represented in type 'int'
- avcodec/pafvideo: Fix assertion failure
- avcodec/takdec: Fix multiple runtime error: signed integer overflow: 637072 * \ 
4096 cannot be represented in type 'int'
- avcodec/mjpegdec: Check that reference frame matches the current frame
- avcodec/tiff: Avoid loosing allocated geotag values
- avcodec/cavs: Fix runtime error: signed integer overflow: -12648062 * 256 \ 
cannot be represented in type 'int'
- avformat/hls: Check local file extensions
- avcodec/qdrw: Fix null pointer dereference
- avutil/softfloat: Fix sign error in and improve documentation of av_int2sf()
- avcodec/hevc_ps: Fix runtime error: index 32 out of bounds for type 'uint8_t [32]'
- avcodec/dxv: Check remaining bytes in dxv_decompress_raw()
- avcodec/pafvideo: Check packet size and frame code before ff_reget_buffer()
- avcodec/ac3dec_fixed: Fix runtime error: left shift of 419 by 23 places cannot \ 
be represented in type 'int'
- avformat/options: log filename on open
- avcodec/aacps: Fix runtime error: left shift of 1073741824 by 1 places cannot \ 
be represented in type 'INTFLOAT' (aka 'int')
- avcodec/wavpack: Fix runtime error: shift exponent 32 is too large for 32-bit \ 
type 'int'
- avcodec/cfhd: Fix runtime error: signed integer overflow: 65280 * 65288 cannot \ 
be represented in type 'int'
- avcodec/wavpack: Fix runtime error: signed integer overflow: 2013265955 - \ 
-134217694 cannot be represented in type 'int'
- avcodec/cinepak: Check input packet size before frame reallocation
- avcodec/hevc_ps: Fix runtime error: signed integer overflow: 2147483628 + 256 \ 
cannot be represented in type 'int'
- avcodec/ra144: Fixes runtime error: signed integer overflow: 7160 * 327138 \ 
cannot be represented in type 'int'
- avcodec/pnm: Use ff_set_dimensions()
- avcodec/cavsdec: Fix runtime error: signed integer overflow: 59 + 2147483600 \ 
cannot be represented in type 'int'
- avcodec/nvenc: fix hw accelerated transcode with bframes
- libavformat/hls: Observe Set-Cookie headers
- libavformat/http: Ignore expired cookies
- avformat/avidec: Limit formats in gab2 to srt and ass/ssa
- avcodec/acelp_pitch_delay: Fix runtime error: value 4.83233e+39 is outside the \ 
range of representable values of type 'float'
- avcodec/wavpack: Check float_shift
- avcodec/wavpack: Fix runtime error: signed integer overflow: 24 * -2147483648 \ 
cannot be represented in type 'int'
- avcodec/ansi: Fix frame memleak
- avcodec/dds: Fix runtime error: left shift of 145 by 24 places cannot be \ 
represented in type 'int'
- avcodec/jpeg2000dec: Use ff_set_dimensions()
- avcodec/truemotion2: Fix passing null pointer to memset()
- avcodec/truemotion2: Fix runtime error: left shift of 1 by 31 places cannot be \ 
represented in type 'int'
- avcodec/ra144: Fix runtime error: signed integer overflow: -2449 * 1398101 \ 
cannot be represented in type 'int'
- avcodec/ra144: Fix runtime error: signed integer overflow: 11184810 * 404 \ 
cannot be represented in type 'int'
- avcodec/aac_defines: Add missing () to AAC_HALF_SUM() macro
- avcodec/webp: Fixes null pointer dereference
- avcodec/aacdec_fixed: Fix runtime error: left shift of 1 by 31 places cannot \ 
be represented in type 'int'
- avcodec/ylc: Check count in build_vlc()
- avcodec/snow: Fix runtime error: signed integer overflow: 1086573993 + \ 
1086573994 cannot be represented in type 'int'
- avcodec/jpeg2000: Fix runtime error: signed integer overflow: 4185 + \ 
2147483394 cannot be represented in type 'int'
- avcodec/jpeg2000dec: Check tile offsets more completely
- avcodec/sheervideo: Check input buffer size before allocating and decoding
- avcodec/aacdec_fixed: Fix multiple runtime error: shift exponent 127 is too \ 
large for 32-bit type 'int'
- avcodec/wnv1: More strict buffer size check
- avcodec/libfdk-aacdec: Correct buffer_size parameter
- avcodec/sbrdsp_template: Fix: runtime error: signed integer overflow: \ 
849815297 + 1315389781 cannot be represented in type 'int'
- avcodec/ivi_dsp: Fix runtime error: left shift of negative value -2
- doc/filters: Clarify scale2ref example
- avcodec/mlpdec: Do not leave invalid values in matrix_out_ch[] on error
- avcodec/ra144dec: Fix runtime error: left shift of negative value -17
- avcodec/pixlet: Fix runtime error: signed integer overflow: 2147483647 + 32 \ 
cannot be represented in type 'int'
- avformat/mux: Fix copy an paste typo
- avutil/internal: Do not enable CHECKED with DEBUG
- avcodec/clearvideo: Check buf_size before decoding frame
- avcodec/aacdec_fixed: Fix runtime error: signed integer overflow: -2147483648 \ 
* -1 cannot be represented in type 'int'
- avcodec/smc: Check remaining input
- avcodec/diracdec: Fix off by 1 error in quant check
- avcodec/jpeg2000dec: Fix copy and paste error
- avcodec/jpeg2000dec: Check tile offsets
- avcodec/sanm: Fix uninitialized reference frames
- avcodec/jpeglsdec: Check get_bits_left() before decoding a picture
- avcodec/fmvc: Fix use of uninitialized memory when the first frame is not a \ 
keyframe
- avcodec/ivi_dsp: Fix multiple runtime error: left shift of negative value -71
- avcodec/mjpegdec: Fix runtime error: signed integer overflow: -32767 * 130560 \ 
cannot be represented in type 'int'
- avcodec/aacdec_fixed: Fix runtime error: shift exponent 34 is too large for \ 
32-bit type 'int'
- avcodec/mpeg4videodec: Check for multiple VOL headers
- avcodec/vp9block: fix runtime error: signed integer overflow: 196675 * 20670 \ 
cannot be represented in type 'int'
- avcodec/vmnc: Check location before use
- avcodec/takdec: Fix runtime error: signed integer overflow: 8192 * 524308 \ 
cannot be represented in type 'int'
- avcodec/aac_defines: Fix: runtime error: left shift of negative value -2
- avcodec/takdec: Fix runtime error: left shift of negative value -63
- avcodec/mlpdsp: Fix runtime error: signed integer overflow: -24419392 * 128 \ 
cannot be represented in type 'int'
- avcodec/sbrdsp_fixed: fix runtime error: left shift of 1 by 31 places cannot \ 
be represented in type 'int'
- avcodec/aacsbr_fixed: Fix multiple runtime error: shift exponent 170 is too \ 
large for 32-bit type 'int'
- avcodec/mlpdec: Do not leave a invalid num_primitive_matrices in the context
- avcodec/aacsbr_fixed: Fix multiple runtime error: shift exponent 150 is too \ 
large for 32-bit type 'int'
- avcodec/mimic: Use ff_set_dimensions() to set the dimensions
- avcodec/fic: Fix multiple runtime error: signed integer overflow: 5793 * \ 
419752 cannot be represented in type 'int'
- avcodec/pixlet: Fix reading invalid numbers of bits
- avcodec/mlpdec: Fix: runtime error: left shift of negative value -8
- avcodec/dfa: Fix: runtime error: signed integer overflow: -14202 * 196877 \ 
cannot be represented in type 'int'
- avcodec/aacdec: Fix runtime error: signed integer overflow: 2147483520 + 255 \ 
cannot be represented in type 'int'
- avcodec/aacdec_template: Fix fixed point scale in decode_cce()
- avcodec/fmvc: Fix off by 1 error
- avcodec/flicvideo: Check frame_size before decrementing
- avcodec/mlpdec: Fix runtime error: left shift of negative value -1
- avcodec/takdec: Fix  runtime error: left shift of negative value -42
- avcodec/hq_hqa: Fix: runtime error: signed integer overflow: -255 * 10180917 \ 
cannot be represented in type 'int'
- avcodec/scpr: mask bits to prevent out of array read
- avcodec/truemotion1: Fix multiple runtime error: signed integer overflow: \ 
1246906962 * 2 cannot be represented in type 'int'
- avcodec/svq3: Fix runtime error: left shift of negative value -6
- avcodec/tiff: reset sampling[] if its invalid
- configure: Fix the msvcrt version check for mingw32
- lavf/mov: make invalid m{d,v}hd time_scale default to 1 instead of erroring out
- lavc/ffjni: add missing '\n'
- lavc/mediacodec_wrapper: do not declare \ 
JNIAMedia{Codec,CodecList,Format}Fields on the stack
- lavc/mediacodec_wrapper: fix local reference leaks
- avcodec/nvenc: remove unnecessary alignment
- Use AVOnce as a static variable consistently
- avfilter: take_samples: do not directly return frame when samples are skipped
- avutil/hwcontext_dxva2: Don't improperly free IDirect3DSurface9 objects

Log message:
ffmpeg3: introduce x11 option (default on) and wrap vaapi/vdpau
options with it- makes it easier for non-x11 users to disable those.

may want to make vdpau/vaapi just an option again, limited (if any)
benefit. but this fixes the immediate problem of pulling in Xorg
unnecessarily.

Log message:
Add comments to the patches which didn't have one already.
No revision bump, no source or binary change.

Log message:
version 3.3.1:
- libswscale/tests/swscale: Fix uninitialized variables
- avcodec/ffv1dec: Fix runtime error: signed integer overflow: 1550964438 + \ 
1550964438 cannot be represented in type 'int'
- avcodec/webp: Fix signedness in prefix_code check
- avcodec/svq3: Fix runtime error: signed integer overflow: 169 * 12717677 \ 
cannot be represented in type 'int'
- avcodec/mlpdec: Check that there is enough data for headers
- avcodec/ac3dec: Keep track of band structure
- avcodec/webp: Add missing input padding
- avcodec/aacdec_fixed: Fix runtime error: left shift of negative value -1
- avcodec/aacsbr_template: Do not change bs_num_env before its checked
- avcodec/scpr: Fix multiple runtime error: index 256 out of bounds for type \ 
'unsigned int [256]'
- avcodec/mlp: Fix multiple runtime error: left shift of negative value -1
- avcodec/xpmdec: Fix multiple pointer/memory issues
- avcodec/vp8dsp: vp7_luma_dc_wht_c: Fix multiple runtime error: signed integer \ 
overflow: -1366381240 + -1262413604 cannot be represented in type 'int'
- avcodec/avcodec: Limit the number of side data elements per packet
- avcodec/texturedsp: Fix runtime error: left shift of 255 by 24 places cannot \ 
be represented in type 'int'
- avcodec/g723_1dec: Fix runtime error: left shift of negative value -1
- avcodec/wmv2dsp: Fix runtime error: signed integer overflow: 181 * -17047030 \ 
cannot be represented in type 'int'
- avcodec/diracdec: Fix Assertion frame->buf[0] failed at libavcodec/decode.c:610
- avcodec/msmpeg4dec: Check for cbpy VLC errors
- avcodec/cllc: Check num_bits
- avcodec/cllc: Factor VLC_BITS/DEPTH out, do not use repeated literal numbers
- avcodec/scpr: Check y in first line loop in decompress_i()
- avcodec/dvbsubdec: Check entry_id
- avcodec/aacdec_fixed: Fix multiple shift exponent 33 is too large for 32-bit \ 
type 'int'
- avcodec/mpeg12dec: Fixes runtime error: division by zero
- avcodec/pixlet: Fix runtime error: signed integer overflow: 436207616 * \ 
-5160230545260541 cannot be represented in type 'long'
- avcodec/webp: Always set pix_fmt
- avfilter/vf_uspp: Fix currently unused input frame dimensions
- avcodec/truemotion1: Fix multiple runtime error: left shift of negative value -1
- avcodec/eatqi: Fix runtime error: signed integer overflow: 4466147 * 1075 \ 
cannot be represented in type 'int'
- avcodec/dss_sp: Fix runtime error: signed integer overflow: 2147481189 + 4096 \ 
cannot be represented in type 'int'
more...