示例#1
0
static int determine_colorspace_conversion
(
    vs_video_output_handler_t *vs_vohp,
    enum AVPixelFormat         input_pixel_format,
    enum AVPixelFormat        *output_pixel_format,
    int                       *enable_scaler
)
{
    *enable_scaler = 1;
    avoid_yuv_scale_conversion( &input_pixel_format );
    static const struct
    {
        enum AVPixelFormat  av_input_pixel_format;
        VSPresetFormat      vs_output_pixel_format;
        int                 enable_scaler;
    } conversion_table[] =
        {
            { AV_PIX_FMT_YUV420P,     pfYUV420P8,  0 },
            { AV_PIX_FMT_NV12,        pfYUV420P8,  1 },
            { AV_PIX_FMT_NV21,        pfYUV420P8,  1 },
            { AV_PIX_FMT_YUV422P,     pfYUV422P8,  0 },
            { AV_PIX_FMT_UYVY422,     pfYUV422P8,  1 },
            { AV_PIX_FMT_YUYV422,     pfYUV422P8,  1 },
            { AV_PIX_FMT_YUV444P,     pfYUV444P8,  0 },
            { AV_PIX_FMT_YUV410P,     pfYUV410P8,  0 },
            { AV_PIX_FMT_YUV411P,     pfYUV411P8,  0 },
            { AV_PIX_FMT_UYYVYY411,   pfYUV411P8,  1 },
            { AV_PIX_FMT_YUV440P,     pfYUV440P8,  0 },
            { AV_PIX_FMT_YUV420P9LE,  pfYUV420P9,  0 },
            { AV_PIX_FMT_YUV420P9BE,  pfYUV420P9,  1 },
            { AV_PIX_FMT_YUV422P9LE,  pfYUV422P9,  0 },
            { AV_PIX_FMT_YUV422P9BE,  pfYUV422P9,  1 },
            { AV_PIX_FMT_YUV444P9LE,  pfYUV444P9,  0 },
            { AV_PIX_FMT_YUV444P9BE,  pfYUV444P9,  1 },
            { AV_PIX_FMT_YUV420P10LE, pfYUV420P10, 0 },
            { AV_PIX_FMT_YUV420P10BE, pfYUV420P10, 1 },
            { AV_PIX_FMT_YUV422P10LE, pfYUV422P10, 0 },
            { AV_PIX_FMT_YUV422P10BE, pfYUV422P10, 1 },
            { AV_PIX_FMT_YUV444P10LE, pfYUV444P10, 0 },
            { AV_PIX_FMT_YUV444P10BE, pfYUV444P10, 1 },
            { AV_PIX_FMT_YUV420P16LE, pfYUV420P16, 0 },
            { AV_PIX_FMT_YUV420P16BE, pfYUV420P16, 1 },
            { AV_PIX_FMT_YUV422P16LE, pfYUV422P16, 0 },
            { AV_PIX_FMT_YUV422P16BE, pfYUV422P16, 1 },
            { AV_PIX_FMT_YUV444P16LE, pfYUV444P16, 0 },
            { AV_PIX_FMT_YUV444P16BE, pfYUV444P16, 1 },
            { AV_PIX_FMT_GBRP,        pfRGB24,     0 },
            { AV_PIX_FMT_GBRP9LE,     pfRGB48,     0 },
            { AV_PIX_FMT_GBRP9BE,     pfRGB48,     1 },
            { AV_PIX_FMT_GBRP10LE,    pfRGB48,     0 },
            { AV_PIX_FMT_GBRP10BE,    pfRGB48,     1 },
            { AV_PIX_FMT_GBRP16LE,    pfRGB48,     0 },
            { AV_PIX_FMT_GBRP16BE,    pfRGB48,     1 },
            { AV_PIX_FMT_BGR24,       pfRGB24,     0 },
            { AV_PIX_FMT_RGB24,       pfRGB24,     0 },
            { AV_PIX_FMT_ARGB,        pfRGB24,     0 },
            { AV_PIX_FMT_RGBA,        pfRGB24,     0 },
            { AV_PIX_FMT_ABGR,        pfRGB24,     0 },
            { AV_PIX_FMT_BGRA,        pfRGB24,     0 },
            { AV_PIX_FMT_BGR48LE,     pfRGB48,     0 },
            { AV_PIX_FMT_BGR48BE,     pfRGB48,     1 },
            { AV_PIX_FMT_NONE,        pfNone,      1 }
        };
    if( vs_vohp->variable_info || vs_vohp->vs_output_pixel_format == pfNone )
    {
        /* Determine by input pixel format. */
        for( int i = 0; conversion_table[i].vs_output_pixel_format != pfNone; i++ )
            if( input_pixel_format == conversion_table[i].av_input_pixel_format )
            {
                vs_vohp->vs_output_pixel_format = conversion_table[i].vs_output_pixel_format;
                *enable_scaler                  = conversion_table[i].enable_scaler;
                break;
            }
    }
    else
    {
        /* Determine by both input pixel format and output pixel format. */
        for( int i = 0; conversion_table[i].vs_output_pixel_format != pfNone; i++ )
        {
            if( input_pixel_format              == conversion_table[i].av_input_pixel_format
             && vs_vohp->vs_output_pixel_format == conversion_table[i].vs_output_pixel_format )
            {
                *enable_scaler = conversion_table[i].enable_scaler;
                break;
            }
        }
    }
    *output_pixel_format = *enable_scaler
                         ? vs_to_av_output_pixel_format( vs_vohp->vs_output_pixel_format )
                         : input_pixel_format;
    vs_vohp->component_reorder = get_component_reorder( *output_pixel_format );
    int av_output_flags = av_pix_fmt_desc_get( *output_pixel_format )->flags;
    return set_frame_maker( vs_vohp, (av_output_flags & AV_PIX_FMT_FLAG_PLANAR) && (av_output_flags & AV_PIX_FMT_FLAG_RGB) );
}
示例#2
0
int determine_colorspace_conversion
(
    lw_video_output_handler_t *vohp,
    enum AVPixelFormat         input_pixel_format
)
{
    avoid_yuv_scale_conversion( &input_pixel_format );
    static const struct
    {
        enum AVPixelFormat  av_input_pixel_format;
        VSPresetFormat      vs_output_pixel_format;
        int                 enable_scaler;
    } conversion_table[] =
        {
            { AV_PIX_FMT_YUV420P,     pfYUV420P8,  0 },
            { AV_PIX_FMT_NV12,        pfYUV420P8,  1 },
            { AV_PIX_FMT_NV21,        pfYUV420P8,  1 },
            { AV_PIX_FMT_YUV422P,     pfYUV422P8,  0 },
            { AV_PIX_FMT_UYVY422,     pfYUV422P8,  1 },
            { AV_PIX_FMT_YUYV422,     pfYUV422P8,  1 },
            { AV_PIX_FMT_YUV444P,     pfYUV444P8,  0 },
            { AV_PIX_FMT_YUV410P,     pfYUV410P8,  0 },
            { AV_PIX_FMT_YUV411P,     pfYUV411P8,  0 },
            { AV_PIX_FMT_UYYVYY411,   pfYUV411P8,  1 },
            { AV_PIX_FMT_YUV440P,     pfYUV440P8,  0 },
            { AV_PIX_FMT_YUV420P9LE,  pfYUV420P9,  0 },
            { AV_PIX_FMT_YUV420P9BE,  pfYUV420P9,  1 },
            { AV_PIX_FMT_YUV422P9LE,  pfYUV422P9,  0 },
            { AV_PIX_FMT_YUV422P9BE,  pfYUV422P9,  1 },
            { AV_PIX_FMT_YUV444P9LE,  pfYUV444P9,  0 },
            { AV_PIX_FMT_YUV444P9BE,  pfYUV444P9,  1 },
            { AV_PIX_FMT_YUV420P10LE, pfYUV420P10, 0 },
            { AV_PIX_FMT_YUV420P10BE, pfYUV420P10, 1 },
            { AV_PIX_FMT_YUV422P10LE, pfYUV422P10, 0 },
            { AV_PIX_FMT_YUV422P10BE, pfYUV422P10, 1 },
            { AV_PIX_FMT_YUV444P10LE, pfYUV444P10, 0 },
            { AV_PIX_FMT_YUV444P10BE, pfYUV444P10, 1 },
            { AV_PIX_FMT_YUV420P16LE, pfYUV420P16, 0 },
            { AV_PIX_FMT_YUV420P16BE, pfYUV420P16, 1 },
            { AV_PIX_FMT_YUV422P16LE, pfYUV422P16, 0 },
            { AV_PIX_FMT_YUV422P16BE, pfYUV422P16, 1 },
            { AV_PIX_FMT_YUV444P16LE, pfYUV444P16, 0 },
            { AV_PIX_FMT_YUV444P16BE, pfYUV444P16, 1 },
            { AV_PIX_FMT_BGR24,       pfRGB24,     0 },
            { AV_PIX_FMT_RGB24,       pfRGB24,     0 },
            { AV_PIX_FMT_ARGB,        pfRGB24,     0 },
            { AV_PIX_FMT_RGBA,        pfRGB24,     0 },
            { AV_PIX_FMT_ABGR,        pfRGB24,     0 },
            { AV_PIX_FMT_BGRA,        pfRGB24,     0 },
            { AV_PIX_FMT_BGR48LE,     pfRGB48,     0 },
            { AV_PIX_FMT_BGR48BE,     pfRGB48,     1 },
            { AV_PIX_FMT_NONE,        pfNone,      1 }
        };
    vs_video_output_handler_t *vs_vohp = (vs_video_output_handler_t *)vohp->private_handler;
    if( vs_vohp->variable_info || vs_vohp->vs_output_pixel_format == pfNone )
    {
        /* Determine by input pixel format. */
        for( int i = 0; conversion_table[i].vs_output_pixel_format != pfNone; i++ )
            if( input_pixel_format == conversion_table[i].av_input_pixel_format )
            {
                vs_vohp->vs_output_pixel_format = conversion_table[i].vs_output_pixel_format;
                vohp->scaler.enabled            = conversion_table[i].enable_scaler;
                break;
            }
    }
    else
    {
        /* Determine by both input pixel format and output pixel format. */
        int i = 0;
        while( conversion_table[i].vs_output_pixel_format != pfNone )
        {
            if( input_pixel_format              == conversion_table[i].av_input_pixel_format
             && vs_vohp->vs_output_pixel_format == conversion_table[i].vs_output_pixel_format )
            {
                vohp->scaler.enabled = conversion_table[i].enable_scaler;
                break;
            }
            ++i;
        }
        if( conversion_table[i].vs_output_pixel_format == pfNone )
            vohp->scaler.enabled = 1;
    }
    vohp->scaler.output_pixel_format = vohp->scaler.enabled
                                     ? vs_to_av_output_pixel_format( vs_vohp->vs_output_pixel_format )
                                     : input_pixel_format;
    vs_vohp->component_reorder = get_component_reorder( vohp->scaler.output_pixel_format );
    return set_frame_maker( vs_vohp );
}