mirror of https://github.com/mpv-player/mpv
118 lines
2.0 KiB
C
118 lines
2.0 KiB
C
|
/*
|
||
|
|
* ao_arts - aRts audio output driver for MPlayer
|
||
|
|
*
|
||
|
|
* Michele Balistreri <brain87@gmx.net>
|
||
|
|
*
|
||
|
|
* This driver is distribuited under terms of GPL
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <artsc.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#include "audio_out.h"
|
||
|
|
#include "audio_out_internal.h"
|
||
|
|
#include "afmt.h"
|
||
|
|
#include "../config.h"
|
||
|
|
#include "../mp_msg.h"
|
||
|
|
|
||
|
|
#define OBTAIN_BITRATE(a) (((a != AFMT_U8) || (a != AFMT_S8)) ? 16 : 8)
|
||
|
|
|
||
|
|
static arts_stream_t stream;
|
||
|
|
|
||
|
|
static ao_info_t info =
|
||
|
|
{
|
||
|
|
"aRts audio output",
|
||
|
|
"arts",
|
||
|
|
"Michele Balistreri <brain87@gmx.net>",
|
||
|
|
""
|
||
|
|
};
|
||
|
|
|
||
|
|
LIBAO_EXTERN(arts)
|
||
|
|
|
||
|
|
static int control(int cmd, int arg)
|
||
|
|
{
|
||
|
|
return(CONTROL_UNKNOWN);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int init(int rate_hz, int channels, int format, int flags)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
int frag_spec;
|
||
|
|
|
||
|
|
if(err=arts_init()) {
|
||
|
|
mp_msg(MSGT_AO, MSGL_ERR, "AO: [arts] %s\n", arts_error_text(err));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
else
|
||
|
|
mp_msg(MSGT_AO, MSGL_INFO, "AO: [arts] Connected to sound server\n");
|
||
|
|
|
||
|
|
ao_data.format = format;
|
||
|
|
ao_data.channels = channels;
|
||
|
|
ao_data.samplerate = rate_hz;
|
||
|
|
ao_data.bps = (rate_hz*channels);
|
||
|
|
ao_data.buffersize = 4096;
|
||
|
|
|
||
|
|
if(format != AFMT_U8 && format != AFMT_S8)
|
||
|
|
ao_data.bps*=2;
|
||
|
|
|
||
|
|
for (frag_spec = 0; (0x01<<frag_spec) < ao_data.buffersize; ++frag_spec)
|
||
|
|
;
|
||
|
|
frag_spec |= 0x00020000;
|
||
|
|
stream=arts_play_stream(rate_hz, OBTAIN_BITRATE(format), channels, "Mplayer");
|
||
|
|
arts_stream_set(stream, ARTS_P_PACKET_SETTINGS, frag_spec);
|
||
|
|
arts_stream_set(stream, ARTS_P_BLOCKING, 0);
|
||
|
|
|
||
|
|
if(stream == NULL) {
|
||
|
|
mp_msg(MSGT_AO, MSGL_ERR, "AO: [arts] Unable to open a stream\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
else
|
||
|
|
mp_msg(MSGT_AO, MSGL_INFO, "AO: [arts] Stream opened\n");
|
||
|
|
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void uninit()
|
||
|
|
{
|
||
|
|
arts_close_stream(stream);
|
||
|
|
arts_free();
|
||
|
|
}
|
||
|
|
|
||
|
|
static int play(void* data,int len,int flags)
|
||
|
|
{
|
||
|
|
arts_write(stream, data, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void audio_pause()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static void audio_resume()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static void reset()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
static int get_space()
|
||
|
|
{
|
||
|
|
return arts_stream_get(stream, ARTS_P_BUFFER_SPACE);
|
||
|
|
}
|
||
|
|
|
||
|
|
static float get_delay()
|
||
|
|
{
|
||
|
|
return ((float) arts_stream_get(stream, ARTS_P_BUFFER_SIZE) / (float) ao_data.bps);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|