mirror of
https://github.com/mpv-player/mpv
synced 2024-10-18 10:25:02 +02:00
de46867f2d
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1108 b3059339-0415-0410-9bf9-f77b7e298cf2
98 lines
1.7 KiB
C
98 lines
1.7 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "audio_out.h"
|
|
#include "audio_out_internal.h"
|
|
|
|
static ao_info_t info =
|
|
{
|
|
"PCM writer audio output",
|
|
"pcm",
|
|
"Atmosfear",
|
|
""
|
|
};
|
|
|
|
LIBAO_EXTERN(pcm)
|
|
|
|
// there are some globals:
|
|
// ao_samplerate
|
|
// ao_channels
|
|
// ao_format
|
|
// ao_bps
|
|
// ao_outburst
|
|
// ao_buffersize
|
|
|
|
static FILE *fp = NULL;
|
|
|
|
// to set/get/query special features/parameters
|
|
static int control(int cmd,int arg){
|
|
return -1;
|
|
}
|
|
|
|
// open & setup audio device
|
|
// return: 1=success 0=fail
|
|
static int init(int rate,int channels,int format,int flags){
|
|
|
|
printf("PCM: File: audiodump.pcm Samplerate: %iHz Channels: %s Format %s\n", rate, (channels > 1) ? "Stereo" : "Mono", audio_out_format_name(format));
|
|
printf("PCM: Info - fastest dumping is achieved with -vo null -hardframedrop.\n");
|
|
fp = fopen("audiodump.pcm", "wb");
|
|
|
|
ao_outburst = 4096;
|
|
|
|
|
|
if(fp) return 1;
|
|
printf("PCM: Failed to open audiodump.pcm for writing!\n");
|
|
return 0;
|
|
}
|
|
|
|
// close audio device
|
|
static void uninit(){
|
|
fclose(fp);
|
|
}
|
|
|
|
// stop playing and empty buffers (for seeking/pause)
|
|
static void reset(){
|
|
|
|
}
|
|
|
|
// stop playing, keep buffers (for pause)
|
|
static void audio_pause()
|
|
{
|
|
// for now, just call reset();
|
|
reset();
|
|
}
|
|
|
|
// resume playing, after audio_pause()
|
|
static void audio_resume()
|
|
{
|
|
}
|
|
|
|
// return: how many bytes can be played without blocking
|
|
static int get_space(){
|
|
|
|
return ao_outburst;
|
|
}
|
|
|
|
// plays 'len' bytes of 'data'
|
|
// it should round it down to outburst*n
|
|
// return: number of bytes played
|
|
static int play(void* data,int len,int flags){
|
|
|
|
//printf("PCM: Writing chunk!\n");
|
|
fwrite(data,len,1,fp);
|
|
|
|
return len;
|
|
}
|
|
|
|
// return: how many unplayed bytes are in the buffer
|
|
static int get_delay(){
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|