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Fix avpicture_layout to not chroma shift the alpha plane when outputting YUVA420P 

Originally committed as revision 17654 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Cédric Schieli 2009-02-28 07:31:36 +00:00
parent 73914d56d9
commit 5f59207d94
1 changed files with 7 additions and 1 deletions
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8
libavcodec/imgconvert.c
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@ -721,7 +721,7 @@ int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
unsigned char *dest, int dest_size)
{
const PixFmtInfo* pf = &pix_fmt_info[pix_fmt];
int i, j, w, h, data_planes;
int i, j, w, ow, h, oh, data_planes;
const unsigned char* s;
int size = avpicture_get_size(pix_fmt, width, height);
@ -751,10 +751,16 @@ int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
h = height;
}
ow = w;
oh = h;
for (i=0; i<data_planes; i++) {
if (i == 1) {
w = width >> pf->x_chroma_shift;
h = height >> pf->y_chroma_shift;
} else if (i == 3) {
w = ow;
h = oh;
}
s = src->data[i];
for(j=0; j<h; j++) {