[Libav-user] Color depth in MXF file

[Geoffrey tn]

Hi,
Usually I use the function av_find_best_stream(...) to get the color depth of a generic media file and I retrieve the information with "fmt_ctx->streams[video_stream_index]->codec->bits_per_coded_sample" and it works perfectly.
My problem is, it doesn't work with a MXF File. The value of "bits_per_coded_sample" is all the time fixed to 0. 
I tried with MXF files composed of JP2K and IMX.
Can you give me a trick ? 		 	   		  
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