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lavc,lavfi: fix calculating the plane size in the AVBufferRef wrappers 

It is supposed to be height * linesize, not width * linesize.
Thanks to Hendrik Leppkes for pointing out the bug.
This commit is contained in:
Anton Khirnov 2013-03-16 18:09:17 +01:00
parent 23f4c5acc4
commit 6552808014
2 changed files with 4 additions and 4 deletions
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4
libavcodec/utils.c
View File

@ -667,8 +667,8 @@ do { \
planes = (desc->flags & PIX_FMT_PLANAR) ? desc->nb_components : 1;
for (i = 0; i < planes; i++) {
int h_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
int plane_size = (frame->width >> h_shift) * frame->linesize[i];
int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
int plane_size = (frame->height >> v_shift) * frame->linesize[i];
WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
}

4
libavfilter/buffersrc.c
View File

@ -193,8 +193,8 @@ do { \
planes = (desc->flags & PIX_FMT_PLANAR) ? desc->nb_components : 1;
for (i = 0; i < planes; i++) {
int h_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
int plane_size = (frame->width >> h_shift) * frame->linesize[i];
int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_w : 0;
int plane_size = (frame->height >> v_shift) * frame->linesize[i];
WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
}