Implement av_get_image_linesize() and use it in

ff_get_plane_bytewidth().

The new implementation is more generic, more compact and more correct.

Originally committed as revision 24786 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 1 insertions, 47 deletions

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index aacc4f84f9..65b40fd435 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -796,53 +796,7 @@ void ff_img_copy_plane(uint8_t *dst, int dst_wrap,
 
 int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane)
 {
-    int bits;
-    const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
-    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
-
-    pf = &pix_fmt_info[pix_fmt];
-    switch(pf->pixel_type) {
-    case FF_PIXEL_PACKED:
-        switch(pix_fmt) {
-        case PIX_FMT_YUYV422:
-        case PIX_FMT_UYVY422:
-        case PIX_FMT_RGB565BE:
-        case PIX_FMT_RGB565LE:
-        case PIX_FMT_RGB555BE:
-        case PIX_FMT_RGB555LE:
-        case PIX_FMT_RGB444BE:
-        case PIX_FMT_RGB444LE:
-        case PIX_FMT_BGR565BE:
-        case PIX_FMT_BGR565LE:
-        case PIX_FMT_BGR555BE:
-        case PIX_FMT_BGR555LE:
-        case PIX_FMT_BGR444BE:
-        case PIX_FMT_BGR444LE:
-            bits = 16;
-            break;
-        case PIX_FMT_UYYVYY411:
-            bits = 12;
-            break;
-        default:
-            bits = pf->depth * pf->nb_channels;
-            break;
-        }
-        return (width * bits + 7) >> 3;
-        break;
-    case FF_PIXEL_PLANAR:
-            if ((pix_fmt != PIX_FMT_NV12 && pix_fmt != PIX_FMT_NV21) &&
-                (plane == 1 || plane == 2))
-                width= -((-width)>>desc->log2_chroma_w);
-
-            return (width * pf->depth + 7) >> 3;
-        break;
-    case FF_PIXEL_PALETTE:
-        if (plane == 0)
-            return width;
-        break;
-    }
-
-    return -1;
+    return av_get_image_linesize(pix_fmt, width, plane);
 }
 
 void av_picture_data_copy(uint8_t *dst_data[4], int dst_linesize[4],