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

Unified · Split

3 files

libavfilter/avcodec.c +1 −0
libavfilter/avfilter.h +1 −0
libavfilter/buffer.c +1 −1

libavfilter/avcodec.c+1−0

@@ -50,6 +50,7 @@ int avfilter_copy_frame_props(AVFilterBufferRef dst, const AVFrame src) · 49 unmodified lines
50	50	if(!dst->video->qp_table)
51	51	return AVERROR(ENOMEM);
52	52	dst->video->qp_table_linesize = src->qstride;
	53	+ dst->video->qp_table_size = qsize;
53	54	memcpy(dst->video->qp_table, src->qscale_table, qsize);
54	55	}
55	56	break;

libavfilter/avfilter.h+1−0

@@ -132,6 +132,7 @@ typedef struct AVFilterBufferRefVideoProps { · 131 unmodified lines
132	132	enum AVPictureType pict_type; ///< picture type of the frame
133	133	int key_frame; ///< 1 -> keyframe, 0-> not
134	134	int qp_table_linesize; ///< qp_table stride
	135	+ int qp_table_size; ///< qp_table size
135	136	int8_t *qp_table; ///< array of Quantization Parameters
136	137	} AVFilterBufferRefVideoProps;
137	138

libavfilter/buffer.c+1−1

@@ -42,7 +42,7 @@ void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr) · 41 unmodified lines
42	42	static void copy_video_props(AVFilterBufferRefVideoProps dst, AVFilterBufferRefVideoProps src) {
43	43	dst = src;
44	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	46	dst->qp_table = av_malloc(qsize);
47	47	memcpy(dst->qp_table, src->qp_table, qsize);
48	48	}