mirror of
https://github.com/mpv-player/mpv
synced 2024-12-29 10:32:15 +00:00
66f4e56389
-- Support for runtime cpu detection -- Stand alone compile of libaf -- Unlimited number of channels (compiletime switch) -- Sample format defined by bit-fields -- New formats: float, A-Law and mu-law -- Format conversion set in human readable format i.e. format=4:us_be to set 32 bit unsigned big endian output -- Format reporting in human readable format -- Volume control has only one parameter for setting the volume i.e. volume=-10.0:1:0:1 to set atenuation = -10dB git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8168 b3059339-0415-0410-9bf9-f77b7e298cf2
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* The name speaks for itself this filter is a dummy and will not blow
|
|
up regardless of what you do with it. */
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "af.h"
|
|
|
|
// Initialization and runtime control
|
|
static int control(struct af_instance_s* af, int cmd, void* arg)
|
|
{
|
|
switch(cmd){
|
|
case AF_CONTROL_REINIT:
|
|
memcpy(af->data,(af_data_t*)arg,sizeof(af_data_t));
|
|
af_msg(AF_MSG_VERBOSE,"[dummy] Was reinitialized, rate=%iHz, nch = %i, format = 0x%08X and bps = %i\n",af->data->rate,af->data->nch,af->data->format,af->data->bps);
|
|
return AF_OK;
|
|
}
|
|
return AF_UNKNOWN;
|
|
}
|
|
|
|
// Deallocate memory
|
|
static void uninit(struct af_instance_s* af)
|
|
{
|
|
if(af->data)
|
|
free(af->data);
|
|
}
|
|
|
|
// Filter data through filter
|
|
static af_data_t* play(struct af_instance_s* af, af_data_t* data)
|
|
{
|
|
// Do something necessary to get rid of annoying warning during compile
|
|
if(!af)
|
|
af_msg(AF_MSG_ERROR,"EEEK: Argument af == NULL in af_dummy.c play().");
|
|
return data;
|
|
}
|
|
|
|
// Allocate memory and set function pointers
|
|
static int open(af_instance_t* af){
|
|
af->control=control;
|
|
af->uninit=uninit;
|
|
af->play=play;
|
|
af->mul.d=1;
|
|
af->mul.n=1;
|
|
af->data=malloc(sizeof(af_data_t));
|
|
if(af->data == NULL)
|
|
return AF_ERROR;
|
|
return AF_OK;
|
|
}
|
|
|
|
// Description of this filter
|
|
af_info_t af_info_dummy = {
|
|
"dummy",
|
|
"dummy",
|
|
"Anders",
|
|
"",
|
|
AF_FLAGS_REENTRANT,
|
|
open
|
|
};
|