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FFmbc 0.5

FFmbc

480x360 frame containing letter-box 16:9 square-pixel video to IMX30 MXF


ffmbc -i "input.mov"
 -vf "[in]scale=702:576,pad=720:608:9:32:black[out]"
 -r 25 -top 1 -aspect 16:9 -pix_fmt yuv422p
 -vcodec mpeg2video
 -minrate 30000k -maxrate 30000k -b 30000k
 -bufsize 1200000 -rc_init_occupancy 1200000
 -flags +ildct+ilme+low_delay
 -flags2 +ivlc+non_linear_q -qscale 1
 -ps 1 -qmin 1 -rc_max_vbv_use 1
 -rc_min_vbv_use 1 -dc 10 -intra
 -acodec pcm_s16le -ar 48000 -ac 2
 -f mxf_d10 -y "output.mxf"


After using ffmpeg to transcode to IMX30 video and audio it is possible to use writeavidmxf to create media directly usable in Avid MediaComposer 3.0 and above.

IMX30 (720x608i25) video + 4 PCM audio tracks in an MXF file to h.264 video + 2 AAC audio tracks in an MP4 file

ffmbc
 -i input.mxf
 -vcodec libx264
 -b 8M
 -g 15
 -vf crop=720:576:0:32
 -bf 3
 -b_strategy 1 -coder 1 -qmin 10 -qmax 51
 -sc_threshold 40
 -flags +loop+ildct+ilme -cmp +chroma
 -me_range 16 -me_method hex -subq 5
 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4
 -directpred 1
 -flags2 +fastpskip
 -dts_delta_threshold 1
 -ac 2
 -map_audio_channel 0:1:0:0:1:0 -map_audio_channel 0:1:1:0:1:1 
 -acodec aac -strict experimental
 -ab 192k
 -y output.mp4


FFmbc 0.5 is mentioned on: FFmbc


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