openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-30 22:50:48 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Introduce first_avfilter and use that, together with AVFilter.next,

Browse Source 
for registering and finding filters, rather than use the struct
AVFilterList, which is removed.

Simplify the filter registration management code.

Originally committed as revision 20387 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2009-10-27 19:52:14 +00:00
parent 290d4a44f1
commit 3555d2e88e
1 changed files with 13 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
libavfilter/avfilter.c
View File

@ -28,13 +28,6 @@ unsigned avfilter_version(void) {
return LIBAVFILTER_VERSION_INT;
}
/** list of registered filters */
static struct FilterList
{
AVFilter *filter;
struct FilterList *next;
} *filters = NULL;
/** helper macros to get the in/out pad on the dst/src filter */
#define link_dpad(link) link->dst-> input_pads[link->dstpad]
#define link_spad(link) link->src->output_pads[link->srcpad]
@ -327,34 +320,33 @@ void avfilter_draw_slice(AVFilterLink *link, int y, int h)
draw_slice(link, y, h);
}
AVFilter *first_avfilter = NULL;
AVFilter *avfilter_get_by_name(const char *name)
{
struct FilterList *filt;
AVFilter *filter;
for(filt = filters; filt; filt = filt->next)
if(!strcmp(filt->filter->name, name))
return filt->filter;
for (filter = first_avfilter; filter; filter = filter->next)
if (!strcmp(filter->name, name))
return filter;
return NULL;
}
void avfilter_register(AVFilter *filter)
{
struct FilterList *newfilt = av_malloc(sizeof(struct FilterList));
AVFilter **p;
p = &first_avfilter;
while (*p)
p = &(*p)->next;
newfilt->filter = filter;
newfilt->next = filters;
filters = newfilt;
*p = filter;
filter->next = NULL;
}
void avfilter_uninit(void)
{
struct FilterList *tmp;
for(; filters; filters = tmp) {
tmp = filters->next;
av_free(filters);
}
first_avfilter = NULL;
}
static int pad_count(const AVFilterPad *pads)