summaryrefslogtreecommitdiff
path: root/libavcodec/imgconvert.c
diff options
context:
space:
mode:
authorStefano Sabatini <stefano.sabatini-lala@poste.it>2010-04-11 14:09:05 +0000
committerStefano Sabatini <stefano.sabatini-lala@poste.it>2010-04-11 14:09:05 +0000
commit21302fed02e2a824872d6a12536fb605190d651f (patch)
tree73cfd03857d2eb17c1e7ce9dd3d5a8e07e795730 /libavcodec/imgconvert.c
parent7e939205d9c2d8bae9f122ba09fd16569f962f5b (diff)
Make ff_fill_linesize() use the information stored in
av_pix_fmt_descriptors. Allow simplification and a more generic implementation. Originally committed as revision 22836 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/imgconvert.c')
-rw-r--r--libavcodec/imgconvert.c119
1 files changed, 24 insertions, 95 deletions
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 0fb2fe6c46..e6da96ba51 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -492,107 +492,36 @@ int ff_set_systematic_pal(uint32_t pal[256], enum PixelFormat pix_fmt){
int ff_fill_linesize(AVPicture *picture, enum PixelFormat pix_fmt, int width)
{
- int w2;
+ int i;
const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+ int max_plane_step [4];
+ int max_plane_step_comp[4];
memset(picture->linesize, 0, sizeof(picture->linesize));
- 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:
- w2 = (width + (1 << desc->log2_chroma_w) - 1) >> desc->log2_chroma_w;
- picture->linesize[0] = width;
- picture->linesize[1] = w2;
- picture->linesize[2] = w2;
- break;
- case PIX_FMT_YUV420P16LE:
- case PIX_FMT_YUV422P16LE:
- case PIX_FMT_YUV444P16LE:
- case PIX_FMT_YUV420P16BE:
- case PIX_FMT_YUV422P16BE:
- case PIX_FMT_YUV444P16BE:
- w2 = (width + (1 << desc->log2_chroma_w) - 1) >> desc->log2_chroma_w;
- picture->linesize[0] = 2*width;
- picture->linesize[1] = 2*w2;
- picture->linesize[2] = 2*w2;
- break;
- case PIX_FMT_YUVA420P:
- w2 = (width + (1 << desc->log2_chroma_w) - 1) >> desc->log2_chroma_w;
- picture->linesize[0] = width;
- picture->linesize[1] = w2;
- picture->linesize[2] = w2;
- picture->linesize[3] = width;
- break;
- case PIX_FMT_NV12:
- case PIX_FMT_NV21:
- w2 = (width + (1 << desc->log2_chroma_w) - 1) >> desc->log2_chroma_w;
- picture->linesize[0] = width;
- picture->linesize[1] = 2 * w2;
- break;
- case PIX_FMT_RGB24:
- case PIX_FMT_BGR24:
- picture->linesize[0] = width * 3;
- break;
- case PIX_FMT_ARGB:
- case PIX_FMT_ABGR:
- case PIX_FMT_RGBA:
- case PIX_FMT_BGRA:
- picture->linesize[0] = width * 4;
- break;
- case PIX_FMT_RGB48BE:
- case PIX_FMT_RGB48LE:
- picture->linesize[0] = width * 6;
- break;
- 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:
- picture->linesize[0] = width * 2;
- break;
- case PIX_FMT_UYVY422:
- picture->linesize[0] = width * 2;
- break;
- case PIX_FMT_UYYVYY411:
- picture->linesize[0] = width + width/2;
- break;
- case PIX_FMT_RGB4:
- case PIX_FMT_BGR4:
- picture->linesize[0] = width / 2;
- break;
- case PIX_FMT_MONOWHITE:
- case PIX_FMT_MONOBLACK:
- picture->linesize[0] = (width + 7) >> 3;
- break;
- 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:
- picture->linesize[0] = width;
- break;
- default:
+ if (desc->flags & PIX_FMT_HWACCEL)
return -1;
+
+ if (desc->flags & PIX_FMT_BITSTREAM) {
+ picture->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;
+ picture->linesize[i] = max_plane_step[i] * (((width + (1 << s) - 1)) >> s);
+ }
+
return 0;
}