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Implement trace messages logging in the filterchain processing. 

It is only enabled when the DEBUG symbol is defined.

Originally committed as revision 20187 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2009-10-06 22:07:32 +00:00
parent 2ad4c241c8
commit 96da1c51f6
1 changed files with 35 additions and 0 deletions
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35
libavfilter/avfilter.c
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@ -19,6 +19,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* #define DEBUG */
#include "libavcodec/imgconvert.h"
#include "avfilter.h"
@ -160,21 +162,50 @@ int avfilter_config_links(AVFilterContext *filter)
return 0;
}
static void dprintf_picref(void *ctx, AVFilterPicRef *picref, int end)
{
dprintf(ctx,
"picref[%p data[%p, %p, %p, %p] linesize[%d, %d, %d, %d] pts:%"PRId64" s:%dx%d]%s",
picref,
picref->data [0], picref->data [1], picref->data [2], picref->data [3],
picref->linesize[0], picref->linesize[1], picref->linesize[2], picref->linesize[3],
picref->pts, picref->w, picref->h,
end ? "\n" : "");
}
static void dprintf_link(void *ctx, AVFilterLink *link, int end)
{
dprintf(ctx,
"link[%p s:%dx%d %-16s->%-16s]%s",
link, link->w, link->h,
link->src ? link->src->filter->name : "",
link->dst ? link->dst->filter->name : "",
end ? "\n" : "");
}
#define DPRINTF_START(ctx, func) dprintf(NULL, "%-16s: ", #func)
AVFilterPicRef *avfilter_get_video_buffer(AVFilterLink *link, int perms)
{
AVFilterPicRef *ret = NULL;
DPRINTF_START(NULL, get_video_buffer); dprintf_link(NULL, link, 0); dprintf(NULL, " perms:%d\n", perms);
if(link_dpad(link).get_video_buffer)
ret = link_dpad(link).get_video_buffer(link, perms);
if(!ret)
ret = avfilter_default_get_video_buffer(link, perms);
DPRINTF_START(NULL, get_video_buffer); dprintf_link(NULL, link, 0); dprintf(NULL, " returning "); dprintf_picref(NULL, ret, 1);
return ret;
}
int avfilter_request_frame(AVFilterLink *link)
{
DPRINTF_START(NULL, request_frame); dprintf_link(NULL, link, 1);
if(link_spad(link).request_frame)
return link_spad(link).request_frame(link);
else if(link->src->inputs[0])
@ -205,6 +236,8 @@ void avfilter_start_frame(AVFilterLink *link, AVFilterPicRef *picref)
void (*start_frame)(AVFilterLink *, AVFilterPicRef *);
AVFilterPad *dst = &link_dpad(link);
DPRINTF_START(NULL, start_frame); dprintf_link(NULL, link, 0); dprintf(NULL, " "); dprintf_picref(NULL, picref, 1);
if(!(start_frame = dst->start_frame))
start_frame = avfilter_default_start_frame;
@ -253,6 +286,8 @@ void avfilter_draw_slice(AVFilterLink *link, int y, int h)
int i, j, hsub, vsub;
void (*draw_slice)(AVFilterLink *, int, int);
DPRINTF_START(NULL, draw_slice); dprintf_link(NULL, link, 0); dprintf(NULL, " y:%d h:%d\n", y, h);
/* copy the slice if needed for permission reasons */
if(link->srcpic) {
avcodec_get_chroma_sub_sample(link->format, &hsub, &vsub);