1YAMITRANSCODE(1) User Commands YAMITRANSCODE(1)
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6 yamitranscode - transcode application base on libyami
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9 This program transcode video bitstream to different codec.
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12 -i <source filename> load a raw yuv file or a compressed video file -W
13 <width> -H <height> -o <coded file> optional -b <bitrate: kbps>
14 optional -f <frame rate> optional -c <codec: HEVC|AVC|VP8|JPEG> -s
15 <fourcc: I420|NV12|IYUV|YV12> -N <number of frames to encode(camera
16 default 50), useful for camera> -t <AVC scalability temporal layer num‐
17 ber (default 1)> optional --qp <initial qp> optional --rcmode
18 <CBR|CQP> optional --ipperiod <0 (I frame only) | 1 (I and P frames) |
19 N (I,P and B frames, B frame number is N-1)> optional --intraperiod
20 <Intra frame period(default 30)> optional --refnum <number of referece
21 frames(default 1)> optional --idrinterval <AVC/HEVC IDR frame inter‐
22 val(default 0)> optional --disable-cabac <AVC is to use CABAC or not,
23 for Main and High Profile, default is enabled --enable-dct8x8 <AVC is
24 to use DCT8x8 or not, for High Profile, default is disabled --disable-
25 deblock <AVC is to use Deblock or not, default is enabled --deblock‐
26 alphadiv2 <AVC Alpha offset of debloking filter divided 2 (default 2)>
27 optional --deblockbetadiv2 <AVC Beta offset of debloking filter divided
28 2 (default 2)> optional --qpip <qp difference between adjacent I/P
29 (default 0)> optional --qpib <qp difference between adjacent I/B
30 (default 0)> optional --priorityid <AVC priority_id of prefix nal unit
31 (default 0)> optional --ow <output width> optional --oh <output height>
32 optional --btl0 <svc-t layer 0 bitrate: kbps> optional --btl1 <svc-t
33 layer 1 bitrate: kbps > optional --btl2 <svc-t layer 2 bitrate: kbps>
34 optional --btl3 <svc-t layer 3 bitrate: kbps> optional
35yamitranscode October 2016 YAMITRANSCODE(1)