# Without SW scaling

# ffmpeg -strict experimental -vcodec h264_crystalhd -crystalhd_downscale_width 640 -v verbose -i /home/shared/Serialy\ EN/The\ Simpsons/The.Simpsons.S22E02.720p.HDTV.X264-DIMENSION.mkv -vcodec libx264 -preset veryfast -b:v 1050k -acodec libfaac -ac 2 -ar 44100 -ab 128k -y -f matroska /dev/null

(omitted some unrelated output)

[h264_crystalhd @ 0x152a140] CrystalHD Init for h264_crystalhd
[h264_crystalhd @ 0x152a140] CrystalHD: starting up
Running DIL (3.22.0) Version
DtsDeviceOpen: Opening HW in mode 0
Clock set to 180
Enable single threaded mode
Setting Color Mode to 1
[h264_crystalhd @ 0x152a140] CrystalHD: Init complete.
Output #0, matroska, to '/dev/null':
  Metadata:
    encoder         : Lavf53.29.100
    Stream #0:0(eng): Video: h264, yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 1050 kb/s, 1k tbn, 23.98 tbc
    Stream #0:1: Audio: aac, 44100 Hz, 2 channels, s16, 128 kb/s (default)
Stream mapping:
  Stream #0:0 -> #0:0 (h264_crystalhd -> libx264)
  Stream #0:1 -> #0:1 (ac3 -> libfaac)
Press [q] to stop, [?] for help
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 100000
[h264_crystalhd @ 0x152a140] CrystalHD: Filling pipeline.
Input stream #0:1 frame changed from rate:48000 fmt:s16 ch:6 to rate:48000 fmt:s16 ch:2
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 200000
[h264_crystalhd @ 0x152a140] CrystalHD: Filling pipeline.
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 300000
[h264_crystalhd @ 0x152a140] CrystalHD: Filling pipeline.
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 400000
[h264_crystalhd @ 0x152a140] CrystalHD: Filling pipeline.
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 500000
[h264_crystalhd @ 0x152a140] CrystalHD: Filling pipeline.
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 600000
[h264_crystalhd @ 0x152a140] CrystalHD: Filling pipeline.
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 700000
[h264_crystalhd @ 0x152a140] CrystalHD: Filling pipeline.
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 800000
[h264_crystalhd @ 0x152a140] CrystalHD: Filling pipeline.
[h264_crystalhd @ 0x152a140] CrystalHD: decode_frame
[h264_crystalhd @ 0x152a140] CrystalHD: parser picture type 3
[h264_crystalhd @ 0x152a140] input "pts": 900000
[h264_crystalhd @ 0x152a140] CrystalHD: Initial format change
[h264_crystalhd @ 0x152a140]    YBuffSz: 0
[h264_crystalhd @ 0x152a140]    YBuffDoneSz: 462080
[h264_crystalhd @ 0x152a140]    UVBuffDoneSz: 0
[h264_crystalhd @ 0x152a140]    Timestamp: 100000
[h264_crystalhd @ 0x152a140]    Picture Number: 3
[h264_crystalhd @ 0x152a140]    Width: 1280
[h264_crystalhd @ 0x152a140]    Height: 720
[h264_crystalhd @ 0x152a140]    Chroma: 0x420
[h264_crystalhd @ 0x152a140]    Pulldown: 0
[h264_crystalhd @ 0x152a140]    Flags: 0x80040000
[h264_crystalhd @ 0x152a140]    Frame Rate/Res: 23970
[h264_crystalhd @ 0x152a140]    Aspect Ratio: 0
[h264_crystalhd @ 0x152a140]    Color Primaries: 2
[h264_crystalhd @ 0x152a140]    MetaData: 655616
[h264_crystalhd @ 0x152a140]    Session Number: 0
[h264_crystalhd @ 0x152a140]    ycom: 269488144
[h264_crystalhd @ 0x152a140]    Custom Aspect: 0
[h264_crystalhd @ 0x152a140]    Frames to Drop: 0
[h264_crystalhd @ 0x152a140]    H264 Valid Fields: 0x00000024
[h264_crystalhd @ 0x152a140] output "pts": 100000
[h264_crystalhd @ 0x152a140] output picture type 3
[h264_crystalhd @ 0x152a140] Interlaced state: 0 | trust_interlaced 1
[h264_crystalhd @ 0x152a140] CrystalHD: Copying out frame
[h264_crystalhd @ 0x152a140] CrystalHD: Pipeline length: 10
[libx264 @ 0x8269a0] Input picture width (640) is greater than stride (0) 
Video encoding failed