Support for 16-bit grayscale
Originally committed as revision 7012 to svn://svn.ffmpeg.org/ffmpeg/trunk
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				@ -255,6 +255,14 @@ static int tiff_decode_tag(TiffContext *s, uint8_t *start, uint8_t *buf, uint8_t
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        case 24:
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					        case 24:
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            s->avctx->pix_fmt = PIX_FMT_RGB24;
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					            s->avctx->pix_fmt = PIX_FMT_RGB24;
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            break;
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					            break;
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					        case 16:
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					            if(count == 1){
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					                s->avctx->pix_fmt = PIX_FMT_GRAY16BE;
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					            }else{
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					                av_log(s->avctx, AV_LOG_ERROR, "This format is not supported (bpp=%i)\n", s->bpp);
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					                return -1;
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					            }
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					            break;
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        default:
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					        default:
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            av_log(s->avctx, AV_LOG_ERROR, "This format is not supported (bpp=%i)\n", s->bpp);
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					            av_log(s->avctx, AV_LOG_ERROR, "This format is not supported (bpp=%i)\n", s->bpp);
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            return -1;
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					            return -1;
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