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authorClément Bœsch <ubitux@gmail.com>2013-05-07 16:31:02 +0200
committerClément Bœsch <ubitux@gmail.com>2013-05-09 16:59:42 +0200
commit570d63eef3f911869672cd20fa9c2abedb11093d (patch)
tree2b993b08de62362e2e59e8049e28a92e6c2bb0af /libavcodec/utils.c
parentd9cb1e0e15e5cabb0b36f10cba079ea6532ed8e7 (diff)
lavu: add FF_CEIL_RSHIFT and use it in various places.
Diffstat (limited to 'libavcodec/utils.c')
-rw-r--r--libavcodec/utils.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 5899eb831a..0d8306b54c 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -179,8 +179,8 @@ void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
{
s->coded_width = width;
s->coded_height = height;
- s->width = -((-width ) >> s->lowres);
- s->height = -((-height) >> s->lowres);
+ s->width = FF_CEIL_RSHIFT(width, s->lowres);
+ s->height = FF_CEIL_RSHIFT(height, s->lowres);
}
#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX
@@ -573,8 +573,9 @@ void avpriv_color_frame(AVFrame *frame, const int c[4])
for (p = 0; p<desc->nb_components; p++) {
uint8_t *dst = frame->data[p];
int is_chroma = p == 1 || p == 2;
- int bytes = -((-frame->width) >> (is_chroma ? desc->log2_chroma_w : 0));
- for (y = 0; y<-((-frame->height) >> (is_chroma ? desc->log2_chroma_h : 0)); y++){
+ int bytes = is_chroma ? FF_CEIL_RSHIFT(frame->width, desc->log2_chroma_w) : frame->width;
+ int height = is_chroma ? FF_CEIL_RSHIFT(frame->height, desc->log2_chroma_h) : frame->height;
+ for (y = 0; y < height; y++) {
if (desc->comp[0].depth_minus1 >= 8) {
for (x = 0; x<bytes; x++)
((uint16_t*)dst)[x] = c[p];
@@ -623,8 +624,8 @@ int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
switch (avctx->codec->type) {
case AVMEDIA_TYPE_VIDEO:
- frame->width = FFMAX(avctx->width , -((-avctx->coded_width )>>avctx->lowres));
- frame->height = FFMAX(avctx->height, -((-avctx->coded_height)>>avctx->lowres));
+ frame->width = FFMAX(avctx->width, FF_CEIL_RSHIFT(avctx->coded_width, avctx->lowres));
+ frame->height = FFMAX(avctx->height, FF_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
if (frame->format < 0)
frame->format = avctx->pix_fmt;
if (!frame->sample_aspect_ratio.num)