[FFmpeg-devel] [PATCH] libopenjpegenc: add 9-15 bit RGB output
mc at michaelcinquin.com
Fri Feb 1 12:30:43 CET 2013
On 1 févr. 2013, at 11:30, Jean First wrote:
> please a a space around >
>> + av_log(avctx, AV_LOG_DEBUG, "cinema-mode\n");
>> + ctx->enc_params.irreversible = 1; + ctx->enc_params.tcp_mct = 1;
> after a quick look at https://github.com/tmeiczin/OpenDCP/blob/master/libopendcp/codecs/opendcp_encoder_openjpeg.c
> it seemsthat: tcp_mct = opj_image->numcomps == 3 ? 1 : 0;
>> + ctx->enc_params.tile_size_on = 0; + /* no subsampling*/ + ctx->enc_params.cp_tdx=1; + ctx->enc_params.cp_tdy=1;
When encoding DCI-compliant j2c, you have 3 channels (XYZ), so I thought we could skip this test or so I thought
> I forgot to ask: Did you use ffmepg to create the mxf aswell ?
> And it would be nice if you could add a "How to create DCP" to http://ffmpeg.org/trac/ffmpeg/wiki .
No, mxf wrapping was done with asdcp-test ; as far as I know, FFmpeg does not make for now mxf that are DCI-compliant
New patch attached
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