Move fill_image_linesize() and fill_image_data_ptr() from

libavcodec/imgconvert.c and make them public in libavcore/imgutils.h,
with the names av_fill_image_linesizes() and av_fill_image_pointers().

Originally committed as revision 24583 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 3 insertions, 141 deletions

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index cd9c741918..70e6c0b4ff 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -36,6 +36,7 @@
 #include "imgconvert.h"
 #include "libavutil/colorspace.h"
 #include "libavutil/pixdesc.h"
+#include "libavcore/imgutils.h"
 
 #if HAVE_MMX
 #include "x86/mmx.h"
@@ -490,154 +491,15 @@ int ff_set_systematic_pal(uint32_t pal[256], enum PixelFormat pix_fmt){
     return 0;
 }
 
-static int fill_image_linesize(int linesize[4], enum PixelFormat pix_fmt, int width)
-{
-    int i;
-    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
-    int max_plane_step     [4];
-    int max_plane_step_comp[4];
-
-    memset(linesize, 0, 4*sizeof(linesize[0]));
-
-    if (desc->flags & PIX_FMT_HWACCEL)
-        return -1;
-
-    if (desc->flags & PIX_FMT_BITSTREAM) {
-        linesize[0] = (width * (desc->comp[0].step_minus1+1) + 7) >> 3;
-        return 0;
-    }
-
-    memset(max_plane_step     , 0, sizeof(max_plane_step     ));
-    memset(max_plane_step_comp, 0, sizeof(max_plane_step_comp));
-    for (i = 0; i < 4; i++) {
-        const AVComponentDescriptor *comp = &(desc->comp[i]);
-        if ((comp->step_minus1+1) > max_plane_step[comp->plane]) {
-            max_plane_step     [comp->plane] = comp->step_minus1+1;
-            max_plane_step_comp[comp->plane] = i;
-        }
-    }
-
-    for (i = 0; i < 4; i++) {
-        int s = (max_plane_step_comp[i] == 1 || max_plane_step_comp[i] == 2) ? desc->log2_chroma_w : 0;
-        linesize[i] = max_plane_step[i] * (((width + (1 << s) - 1)) >> s);
-    }
-
-    return 0;
-}
-
 int ff_fill_linesize(AVPicture *picture, enum PixelFormat pix_fmt, int width)
 {
-    return fill_image_linesize(picture->linesize, pix_fmt, width);
-}
-
-static int fill_image_data_ptr(uint8_t *data[4], uint8_t *ptr, enum PixelFormat pix_fmt,
-                               int height, const int linesize[4])
-{
-    int size, h2, size2;
-    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
-
-    size = linesize[0] * height;
-    switch(pix_fmt) {
-    case PIX_FMT_YUV420P:
-    case PIX_FMT_YUV422P:
-    case PIX_FMT_YUV444P:
-    case PIX_FMT_YUV410P:
-    case PIX_FMT_YUV411P:
-    case PIX_FMT_YUV440P:
-    case PIX_FMT_YUVJ420P:
-    case PIX_FMT_YUVJ422P:
-    case PIX_FMT_YUVJ444P:
-    case PIX_FMT_YUVJ440P:
-    case PIX_FMT_YUV420P16LE:
-    case PIX_FMT_YUV422P16LE:
-    case PIX_FMT_YUV444P16LE:
-    case PIX_FMT_YUV420P16BE:
-    case PIX_FMT_YUV422P16BE:
-    case PIX_FMT_YUV444P16BE:
-        h2 = (height + (1 << desc->log2_chroma_h) - 1) >> desc->log2_chroma_h;
-        size2 = linesize[1] * h2;
-        data[0] = ptr;
-        data[1] = data[0] + size;
-        data[2] = data[1] + size2;
-        data[3] = NULL;
-        return size + 2 * size2;
-    case PIX_FMT_YUVA420P:
-        h2 = (height + (1 << desc->log2_chroma_h) - 1) >> desc->log2_chroma_h;
-        size2 = linesize[1] * h2;
-        data[0] = ptr;
-        data[1] = data[0] + size;
-        data[2] = data[1] + size2;
-        data[3] = data[1] + size2 + size2;
-        return 2 * size + 2 * size2;
-    case PIX_FMT_NV12:
-    case PIX_FMT_NV21:
-        h2 = (height + (1 << desc->log2_chroma_h) - 1) >> desc->log2_chroma_h;
-        size2 = linesize[1] * h2;
-        data[0] = ptr;
-        data[1] = data[0] + size;
-        data[2] = NULL;
-        data[3] = NULL;
-        return size + size2;
-    case PIX_FMT_RGB24:
-    case PIX_FMT_BGR24:
-    case PIX_FMT_ARGB:
-    case PIX_FMT_ABGR:
-    case PIX_FMT_RGBA:
-    case PIX_FMT_BGRA:
-    case PIX_FMT_RGB48BE:
-    case PIX_FMT_RGB48LE:
-    case PIX_FMT_GRAY16BE:
-    case PIX_FMT_GRAY16LE:
-    case PIX_FMT_BGR444BE:
-    case PIX_FMT_BGR444LE:
-    case PIX_FMT_BGR555BE:
-    case PIX_FMT_BGR555LE:
-    case PIX_FMT_BGR565BE:
-    case PIX_FMT_BGR565LE:
-    case PIX_FMT_RGB444BE:
-    case PIX_FMT_RGB444LE:
-    case PIX_FMT_RGB555BE:
-    case PIX_FMT_RGB555LE:
-    case PIX_FMT_RGB565BE:
-    case PIX_FMT_RGB565LE:
-    case PIX_FMT_YUYV422:
-    case PIX_FMT_UYVY422:
-    case PIX_FMT_UYYVYY411:
-    case PIX_FMT_RGB4:
-    case PIX_FMT_BGR4:
-    case PIX_FMT_MONOWHITE:
-    case PIX_FMT_MONOBLACK:
-    case PIX_FMT_Y400A:
-        data[0] = ptr;
-        data[1] = NULL;
-        data[2] = NULL;
-        data[3] = NULL;
-        return size;
-    case PIX_FMT_PAL8:
-    case PIX_FMT_RGB8:
-    case PIX_FMT_BGR8:
-    case PIX_FMT_RGB4_BYTE:
-    case PIX_FMT_BGR4_BYTE:
-    case PIX_FMT_GRAY8:
-        size2 = (size + 3) & ~3;
-        data[0] = ptr;
-        data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */
-        data[2] = NULL;
-        data[3] = NULL;
-        return size2 + 256 * 4;
-    default:
-        data[0] = NULL;
-        data[1] = NULL;
-        data[2] = NULL;
-        data[3] = NULL;
-        return -1;
-    }
+    return av_fill_image_linesizes(picture->linesize, pix_fmt, width);
 }
 
 int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, enum PixelFormat pix_fmt,
                     int height)
 {
-    return fill_image_data_ptr(picture->data, ptr, pix_fmt, height, picture->linesize);
+    return av_fill_image_pointers(picture->data, pix_fmt, height, ptr, picture->linesize);
 }
 
 int avpicture_fill(AVPicture *picture, uint8_t *ptr,