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In the crop filter, put under ifdef DEBUG the trace logs for the

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evaluated crop area coordinates.

Prevent debug log spamming, define the DEBUG symbol for enabling them.

Originally committed as revision 26110 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini
2010-12-27 18:04:35 +00:00
parent d46c27552b
commit b4356e4118
1 changed files with 4 additions and 0 deletions
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4
libavfilter/vf_crop.c
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@ -23,6 +23,8 @@
* video crop filter
*/
/* #define DEBUG */
#include "avfilter.h"
#include "libavutil/eval.h"
#include "libavutil/avstring.h"
@ -262,9 +264,11 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
crop->x &= ~((1 << crop->hsub) - 1);
crop->y &= ~((1 << crop->vsub) - 1);
#ifdef DEBUG
av_log(ctx, AV_LOG_DEBUG,
"n:%d t:%f x:%d y:%d x+w:%d y+h:%d\n",
(int)crop->var_values[VAR_N], crop->var_values[VAR_T], crop->x, crop->y, crop->x+crop->w, crop->y+crop->h);
#endif
ref2->data[0] += crop->y * ref2->linesize[0];
ref2->data[0] += crop->x * crop->max_step[0];