QuickTime to XDCAMHD422 MXF

[ze'ev דן g]

Hello!

I'm trying to create an XDCAMHD422 MXF with video from a QuickTime and audio from a stereo WAV.

Audio is pcm_s24le, 48000 Hz, 2 channels, s32

But output is mixed:

Stream #0.1(und): Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s
Stream #0.2(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s

And shows alert: Incompatible sample format 's32' for codec 'pcm_s16le', auto-selecting format 's16'

(For XDCAM, it's necessary to split stereo into dual mono.)

Command:

ffmbc -i "$v" -i "$a" -tff -timecode 07:00:00:00 \
-map_audio_channel 1:0:0:0:1:0 \
-map_audio_channel 1:0:1:0:2:0 \
-acodec pcm_s24le -ar 48000 -ac 2 \
-target xdcamhd422 -vtag xd5c -y  -t 1 "$o" \
-acodec pcm_s24le -newaudio

Output:

FFmbc version 0.7.2

Copyright (c) 2008-2014 Baptiste Coudurier and the FFmpeg developers

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mov':

  Metadata:

    major_brand: qt

    minor_version: 537199360

    compatible_brands: qt

    timecode: 00:00:00:00

  Duration: 00:00:30.00, bitrate: 188317 kb/s

    Stream #0.0(eng): Video: prores, yuv422p10le, 1920x1080p, 186502 kb/s, PAR 1:1 DAR 16:9, 25.00 fps

    Metadata:

      codec_name: Apple ProRes 422 (HQ)

    Stream #0.1(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s

    Stream #0.2(eng): Data: unknown (tmcd)

Input #1, wav, from 'audio.wav':

  Metadata:

    encoded_by: Pro Tools

    originator_reference: aaOpK7OBThOk

    date: 2018-11-08

    creation_time: 14:10:50

    time_reference: 175680000

  Duration: 00:00:30.00, bitrate: 2316 kb/s

    Stream #1.0(und): Audio: pcm_s24le, 48000 Hz, 2 channels, s32, 2304 kb/s

[scale @ 0x7ff9f48009a0] w:1920 h:1080 fmt:yuv422p10le -> w:1920 h:1080 fmt:yuv422p flags:0x4 il:0

Incompatible sample format 's32' for codec 'pcm_s16le', auto-selecting format 's16'

Output #0, mxf, to 'mxftest3.mxf':

  Metadata:

    encoder: FFmbc 0.7

    Stream #0.0(und): Video: mpeg2video, yuv422p, 1920x1080i tff [PAR 1:1 DAR 16:9], cbr, 50000 kb/s, 25.00 fps

    Stream #0.1(und): Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s

    Stream #0.2(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s

Stream mapping:

  Stream #0.0 -> #0.0

  Stream #1.0 -> #0.1 [channel: 0 -> 0]

  Stream #1.0 -> #0.2 [channel: 1 -> 0]

Press [q] to stop, [?] for help

frame=   25 fps=  8 q=2.0 Lsize=    7586kB time=00:00:01.00 bitrate=62145.0kbits/s

video:7309kB audio:236kB global headers:0kB muxing overhead 0.541060%