lavfi: add qp_table_size

This avoid recalculating it and in case w/h changed avoids crashes.

Michael Niedermayer committed 14 years ago

Commit 91141f21 parent 5891e453 files · +3 −1Browse files

Showing the changes to libavfilter/buffer.c (1 of 3 files). Show all

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@@ -42,7 +42,7 @@ void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr) · 41 unmodified lines
42	static void copy_video_props(AVFilterBufferRefVideoProps dst, AVFilterBufferRefVideoProps src) {	42	static void copy_video_props(AVFilterBufferRefVideoProps dst, AVFilterBufferRefVideoProps src) {
43	dst = src;	43	dst = src;
44	if (src->qp_table) {	44	if (src->qp_table) {
45	int qsize = src->qp_table_linesize ? src->qp_table_linesize * ((src->h+15)/16) : (src->w+15)/16;	45	int qsize = src->qp_table_size;
46	dst->qp_table = av_malloc(qsize);	46	dst->qp_table = av_malloc(qsize);
47	memcpy(dst->qp_table, src->qp_table, qsize);	47	memcpy(dst->qp_table, src->qp_table, qsize);
48	}	48	}

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