[FFmpeg-user] How can I set in a D10 MXF (IMX50) file the flags for output color_range, -space, -transfer and primaries?

James Heliker james.heliker at gmail.com
Wed Apr 29 23:36:27 CEST 2015


On 4/29/2015 2:22 PM, Christoph Gerstbauer wrote:
> I found out that a IMX50 mxf file encoded with FFmbc and the IMX50 mxf 
> file encoded with actual ffmpeg builds are different in these mxf 
> metadata flags (by reading out via ffprobe - show_streams)
>

+1 if anyone can answer this question, it would be very helpful for my 
needs also

> FFMBC IMX FILE stream 0:0:
> color_range=tv
> color_space=smpte170m
> color_transfer=bt709
> color_primaries=bt470bg
>
>
> FFMPEG IMX FILE stream 0:0:
> color_range=tv
> color_space=unknown
> color_transfer=unknown
> color_primaries=unknown
>
> I want to set these metadata flags to the same values, but with FFmpeg.
> How can I produce the same output like ffmbc with these 4 metadata flags?
> I didnt found a answer to that in the ffmpeg documentation :/
>
> Best Regards
> CHristoph
>
>
> COMMAND LINE OUTPUT:
>
> FFmbc encoding:
>
> ffmbc -i I:\IMX_tests\IMX50_CARBON.avi -target imx50 -acodec pcm_s24le
> I:\IMX_tests\_FFMBC_PAL_IMX_24bit_2.mxf -loglevel debug
> FFmbc version 0.7-rc7
> Copyright (c) 2008-2012 Baptiste Coudurier and the FFmpeg developers
> Input #0, avi, from 'I:\IMX_tests\IMX50_CARBON.avi':
>    Metadata:
>      encoder: Lavf55.0.100
>      ISMP: 00:00:00:00
>    Duration: 00:00:20.00, start: 0.000000, bitrate: 113291 kb/s
>      Stream #0.0(und): Video: ffvhuff, yuv422p, 720x608p, PAR 152:135
> DAR 4:3, 25.00 fps
>      Stream #0.1(und): Audio: pcm_s24le, 48000 Hz, stereo, s32, 2304 kb/s
> [buffer @ 00000000002EFF60] w:720 h:608 pixfmt:yuv422p tb:1/1000000
> sar:152/135 sws_param:
> Warning, QMAT_SHIFT is larger than 21, overflows possible
>      Last message repeated 1 times
> Output #0, mxf_d10, to 'I:\IMX_tests\_FFMBC_PAL_IMX_24bit_2.mxf':
>    Metadata:
>      encoder: FFmbc 0.7
>      Stream #0.0(und), 0, 1/25: Video: mpeg2video, yuv422p, 720x608i tff
> [PAR 152:135 DAR 4:3], tbc 1/25, cbr, 50000 kb/s, 25.00 fps
>      Stream #0.1(und), 0, 1/48000: Audio: pcm_s24le, 48000 Hz, stereo,
> s32, 2304 kb/s
> Stream mapping:
>    Stream #0.0 -> #0.0
>    Stream #0.1 -> #0.1
> Press [q] to stop, [?] for help
> [mxf_d10 @ 00000000003BF460] package type:1
> [mxf_d10 @ 00000000003BF460] package type:2
> [mxf_d10 @ 00000000003BF460] edit units count 0
> frame=  341 fps= 25 q=3.0 size=  103570kB time=00:00:13.60
> bitrate=62385.4kbits/s eta=00:00:06.41
>
> -------------------------------------------------------------
>
> FFMPEG encoding:
>
> ffmpegnew -i I:\IMX_tests\IMX50_CARBON.avi -map 0:v -map 0:a -c:v
> mpeg2video -r 25 -pix_fmt yuv422p -aspect 4:3 -minrate 50000k -maxrate
> 50000k -b:v 50000k -intra -flags +ildct+low_del
> ay -intra_vlc 1 -non_linear_quant 1 -ps 1 -qmin 1 -qmax 3 -top 1 -dc 10
> -bufsize 2000000 -rc_init_occupancy 2000000 -rc_max_vbv_use 1
> -rc_min_vbv_use 1 -c:a pcm_s24le -ar 48000 -f mxf_d10 I:\IMX_tests
> \_FFMPEGNEW_PAL_IMX_24bit_2.mxf
> ffmpeg version N-71727-g46778ab Copyright (c) 2000-2015 the FFmpeg
> developers
>    built with gcc 4.9.2 (GCC)
>    configuration: --enable-gpl --enable-version3 --disable-w32threads
> --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
> --enable-gnutls --enable-iconv --enable-libass --enable-libblu
> ray --enable-libbs2b --enable-libcaca --enable-libdcadec
> --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc
> --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
> le-libopencore-amrwb --enable-libopenjpeg --enable-libopus
> --enable-librtmp --enable-libschroedinger --enable-libsoxr
> --enable-libspeex --enable-libtheora --enable-libtwolame
> --enable-libvidstab --ena
> ble-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
> --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
> --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --ena
> ble-decklink --enable-zlib
>    libavutil      54. 23.101 / 54. 23.101
>    libavcodec     56. 35.101 / 56. 35.101
>    libavformat    56. 31.100 / 56. 31.100
>    libavdevice    56.  4.100 / 56.  4.100
>    libavfilter     5. 14.100 /  5. 14.100
>    libswscale      3.  1.101 /  3.  1.101
>    libswresample   1.  1.100 /  1.  1.100
>    libpostproc    53.  3.100 / 53.  3.100
> Input #0, avi, from 'I:\IMX_tests\IMX50_CARBON.avi':
>    Metadata:
>      encoder         : Lavf55.0.100
>      timecode        : 00:00:00:00
>    Duration: 00:00:20.00, start: 0.000000, bitrate: 113291 kb/s
>      Stream #0:0: Video: ffvhuff (FFVH / 0x48564646), yuv422p, 720x608,
> 111196 kb/s, SAR 152:135 DAR 4:3, 25 fps, 25 tbr, 25 tbn, 25 tbc
>      Stream #0:1: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
> stereo, s32 (24 bit), 2304 kb/s
> File 'I:\IMX_tests\_FFMPEGNEW_PAL_IMX_24bit_2.mxf' already exists.
> Overwrite ? [y/N] y
> Output #0, mxf_d10, to 'I:\IMX_tests\_FFMPEGNEW_PAL_IMX_24bit_2.mxf':
>    Metadata:
>      timecode        : 00:00:00:00
>      encoder         : Lavf56.31.100
>      Stream #0:0: Video: mpeg2video, yuv422p, 720x608 [SAR 152:135 DAR
> 4:3], q=1-3, 50000 kb/s, 25 fps, 25 tbn, 25 tbc
>      Metadata:
>        encoder         : Lavc56.35.101 mpeg2video
>      Stream #0:1: Audio: pcm_s24le, 48000 Hz, stereo, s32 (24 bit), 2304
> kb/s
>      Metadata:
>        encoder         : Lavc56.35.101 pcm_s24le
> Stream mapping:
>    Stream #0:0 -> #0:0 (ffvhuff (native) -> mpeg2video (native))
>    Stream #0:1 -> #0:1 (pcm_s24le (native) -> pcm_s24le (native))
> Press [q] to stop, [?] for help
> [mxf_d10 @ 00000000003bf240] the number of audio channels shall be 4 or
> 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount
> to fix this
> frame=  500 fps=347 q=1.6 Lsize=  152756kB time=00:00:20.00
> bitrate=62568.9kbits/s
> video:122070kB audio:5625kB subtitle:0kB other streams:0kB global
> headers:0kB muxing overhead: 19.625412%
>
>
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