mirror of
https://github.com/mpv-player/mpv
synced 2024-12-29 02:22:19 +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
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up regardless of what you do with it. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "af.h"
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// Initialization and runtime control
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static int control(struct af_instance_s* af, int cmd, void* arg)
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{
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switch(cmd){
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case AF_CONTROL_REINIT:
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memcpy(af->data,(af_data_t*)arg,sizeof(af_data_t));
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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);
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return AF_OK;
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}
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return AF_UNKNOWN;
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}
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// Deallocate memory
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static void uninit(struct af_instance_s* af)
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{
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if(af->data)
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free(af->data);
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}
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// Filter data through filter
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static af_data_t* play(struct af_instance_s* af, af_data_t* data)
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{
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// Do something necessary to get rid of annoying warning during compile
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if(!af)
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af_msg(AF_MSG_ERROR,"EEEK: Argument af == NULL in af_dummy.c play().");
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return data;
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}
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// Allocate memory and set function pointers
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static int open(af_instance_t* af){
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af->control=control;
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af->uninit=uninit;
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af->play=play;
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af->mul.d=1;
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af->mul.n=1;
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af->data=malloc(sizeof(af_data_t));
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if(af->data == NULL)
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return AF_ERROR;
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return AF_OK;
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}
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// Description of this filter
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af_info_t af_info_dummy = {
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"dummy",
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"dummy",
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"Anders",
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"",
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AF_FLAGS_REENTRANT,
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open
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};
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