Make af_control_any_rev return the matching filter

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14293 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2005-01-01 18:46:56 +00:00
parent 4be95cc5f4
commit 6119b03712
2 changed files with 12 additions and 7 deletions

View File

@ -615,16 +615,21 @@ inline int af_resize_local_buffer(af_instance_t* af, af_data_t* data)
return AF_OK;
}
// send control to all filters, starting with the last until
// one responds with AF_OK
int af_control_any_rev (af_stream_t* s, int cmd, void* arg) {
/**
* \brief send control to all filters, starting with the last, until
* one responds with AF_OK
* \return The instance that accepted the command or NULL if none did.
*/
af_instance_t *af_control_any_rev (af_stream_t* s, int cmd, void* arg) {
int res = AF_UNKNOWN;
af_instance_t* filt = s->last;
while (filt && res != AF_OK) {
while (filt) {
res = filt->control(filt, cmd, arg);
if (res == AF_OK)
return filt;
filt = filt->prev;
}
return (res == AF_OK);
return NULL;
}
void af_help (void) {

View File

@ -153,8 +153,8 @@ af_data_t* af_play(af_stream_t* s, af_data_t* data);
// send control to all filters, starting with the last until
// one accepts the command with AF_OK.
// Returns true if accepting filter was found.
int af_control_any_rev (af_stream_t* s, int cmd, void* arg);
// Returns the accepting filter or NULL if none was found.
af_instance_t *af_control_any_rev (af_stream_t* s, int cmd, void* arg);
/* Calculate how long the output from the filters will be given the
input length "len". The calculated length is >= the actual