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pnmenc: use bits_per_raw_sample
This allows writing actual bitdepth in RGB48 when it isn't actually 16. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -84,6 +84,8 @@ static int pnm_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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bytestream += strlen(bytestream);
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if (avctx->pix_fmt != AV_PIX_FMT_MONOWHITE) {
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int maxdepth = (1 << (av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth_minus1 + 1)) - 1;
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if( avctx->bits_per_raw_sample )
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maxdepth = (1 << avctx->bits_per_raw_sample) - 1;
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snprintf(bytestream, bytestream_end - bytestream,
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"%d\n", maxdepth);
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bytestream += strlen(bytestream);
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