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path: root/src/audio_out/audio_oss_out.c
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Diffstat (limited to 'src/audio_out/audio_oss_out.c')
-rw-r--r--src/audio_out/audio_oss_out.c162
1 files changed, 81 insertions, 81 deletions
diff --git a/src/audio_out/audio_oss_out.c b/src/audio_out/audio_oss_out.c
index ba1044ed4..bd16a6dd3 100644
--- a/src/audio_out/audio_oss_out.c
+++ b/src/audio_out/audio_oss_out.c
@@ -1,25 +1,25 @@
-/*
+/*
* Copyright (C) 2000-2008 the xine project
- *
+ *
* This file is part of xine, a free video player.
- *
+ *
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* xine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* 20-8-2001 First implementation of Audio sync and Audio driver separation.
* Copyright (C) 2001 James Courtier-Dutton James@superbug.demon.co.uk
- *
+ *
* General Programming Guidelines: -
* New concept of an "audio_frame".
* An audio_frame consists of all the samples required to fill every audio channel
@@ -90,7 +90,7 @@
#endif
#ifndef AFMT_AC3
-# define AFMT_AC3 0x00000400
+# define AFMT_AC3 0x00000400
#endif
#define AO_OUT_OSS_IFACE_VERSION 8
@@ -127,7 +127,7 @@ typedef struct oss_driver_s {
uint32_t bytes_per_frame;
uint32_t bytes_in_buffer; /* number of bytes writen to audio hardware */
uint32_t last_getoptr;
-
+
int audio_started;
int sync_method;
int latency;
@@ -178,7 +178,7 @@ static int ao_oss_open(ao_driver_t *this_gen,
close (this->audio_fd);
}
-
+
this->mode = mode;
this->input_sample_rate = rate;
this->bits_per_sample = bits;
@@ -192,11 +192,11 @@ static int ao_oss_open(ao_driver_t *this_gen,
this->audio_fd=open(this->audio_dev,O_WRONLY|O_NONBLOCK);
if (this->audio_fd < 0) {
- xprintf(this->xine, XINE_VERBOSITY_LOG,
+ xprintf(this->xine, XINE_VERBOSITY_LOG,
_("audio_oss_out: Opening audio device %s: %s\n"), this->audio_dev, strerror(errno));
return 0;
}
-
+
/* We wanted non blocking open but now put it back to normal */
fcntl(this->audio_fd, F_SETFL, fcntl(this->audio_fd, F_GETFL)&~O_NONBLOCK);
@@ -213,8 +213,8 @@ static int ao_oss_open(ao_driver_t *this_gen,
tmp = this->input_sample_rate;
if (ioctl(this->audio_fd,SNDCTL_DSP_SPEED, &tmp) == -1) {
-
- xprintf(this->xine, XINE_VERBOSITY_LOG,
+
+ xprintf(this->xine, XINE_VERBOSITY_LOG,
_("audio_oss_out: warning: sampling rate %d Hz not supported, trying 44100 Hz\n"),
this->input_sample_rate);
@@ -272,7 +272,7 @@ static int ao_oss_open(ao_driver_t *this_gen,
xprintf(this->xine, XINE_VERBOSITY_LOG, "audio_oss_out: %d channels output\n", this->num_channels);
this->bytes_per_frame=(this->bits_per_sample*this->num_channels)/8;
-
+
/*
* set format
*/
@@ -303,7 +303,7 @@ static int ao_oss_open(ao_driver_t *this_gen,
else
xprintf(this->xine, XINE_VERBOSITY_DEBUG, "audio_oss_out: The AFMT_S16_NE ioctl failed.\n");
return 0;
- }
+ }
}
break;
case AO_CAP_MODE_A52:
@@ -317,7 +317,7 @@ static int ao_oss_open(ao_driver_t *this_gen,
ioctl(this->audio_fd, SNDCTL_DSP_CHANNELS, &tmp);
tmp = AFMT_AC3;
if (ioctl(this->audio_fd, SNDCTL_DSP_SETFMT, &tmp) < 0 || tmp != AFMT_AC3) {
- xprintf(this->xine, XINE_VERBOSITY_DEBUG,
+ xprintf(this->xine, XINE_VERBOSITY_DEBUG,
"audio_oss_out: AC3 SNDCTL_DSP_SETFMT failed. %d. Using alternative.\n",tmp);
tmp = AFMT_S16_LE;
ioctl(this->audio_fd, SNDCTL_DSP_SETFMT, &tmp);
@@ -344,7 +344,7 @@ static int ao_oss_open(ao_driver_t *this_gen,
printf ("audio_oss_out: audio buffer fragment info : %x\n",tmp);
- ioctl(this->audio_fd,SNDCTL_DSP_SETFRAGMENT,&tmp);
+ ioctl(this->audio_fd,SNDCTL_DSP_SETFRAGMENT,&tmp);
*/
return this->output_sample_rate;
@@ -395,9 +395,9 @@ static int ao_oss_delay(ao_driver_t *this_gen) {
* this->output_sample_k_rate / 1000;
frames += (tv.tv_sec - this->start_time.tv_sec)
* this->output_sample_rate;
-
+
frames -= this->latency * this->output_sample_k_rate;
-
+
/* calc delay */
bytes_left = this->bytes_in_buffer - frames * this->bytes_per_frame;
@@ -421,15 +421,15 @@ static int ao_oss_delay(ao_driver_t *this_gen) {
if (ioctl (this->audio_fd, SNDCTL_DSP_GETOPTR, &info)) {
perror ("audio_oss_out: SNDCTL_DSP_GETOPTR failed:");
}
-
+
lprintf ("%d bytes output\n", info.bytes);
if (this->bytes_in_buffer < info.bytes) {
this->bytes_in_buffer -= this->last_getoptr; /* GETOPTR wrapped */
- }
-
+ }
+
bytes_left = this->bytes_in_buffer - info.bytes; /* calc delay */
-
+
if (bytes_left<=0) { /* buffer ran dry */
bytes_left = 0;
this->bytes_in_buffer = info.bytes;
@@ -476,7 +476,7 @@ static int ao_oss_write(ao_driver_t *this_gen,
this->bytes_in_buffer += num_frames * this->bytes_per_frame;
- n = write(this->audio_fd, frame_buffer, num_frames * this->bytes_per_frame);
+ n = write(this->audio_fd, frame_buffer, num_frames * this->bytes_per_frame);
lprintf ("ao_oss_write done\n");
@@ -520,20 +520,20 @@ static int ao_oss_get_property (ao_driver_t *this_gen, int property) {
case AO_PROP_PCM_VOL:
case AO_PROP_MIXER_VOL:
if(!this->mixer.mute) {
-
+
if(this->mixer.fd != -1) {
IOCTL_REQUEST_TYPE cmd = 0;
int v;
-
+
ioctl(this->mixer.fd, SOUND_MIXER_READ_DEVMASK, &audio_devs);
-
+
if(audio_devs & SOUND_MASK_PCM)
cmd = SOUND_MIXER_READ_PCM;
else if(audio_devs & SOUND_MASK_VOLUME)
cmd = SOUND_MIXER_READ_VOLUME;
else
return -1;
-
+
ioctl(this->mixer.fd, cmd, &v);
this->mixer.volume = (((v & 0xFF00) >> 8) + (v & 0x00FF)) / 2;
} else
@@ -559,20 +559,20 @@ static int ao_oss_set_property (ao_driver_t *this_gen, int property, int value)
case AO_PROP_PCM_VOL:
case AO_PROP_MIXER_VOL:
if(!this->mixer.mute) {
-
+
if(this->mixer.fd != -1) {
IOCTL_REQUEST_TYPE cmd = 0;
int v;
-
+
ioctl(this->mixer.fd, SOUND_MIXER_READ_DEVMASK, &audio_devs);
-
+
if(audio_devs & SOUND_MASK_PCM)
cmd = SOUND_MIXER_WRITE_PCM;
else if(audio_devs & SOUND_MASK_VOLUME)
cmd = SOUND_MIXER_WRITE_VOLUME;
else
return -1;
-
+
v = (value << 8) | value;
ioctl(this->mixer.fd, cmd, &v);
this->mixer.volume = value;
@@ -588,26 +588,26 @@ static int ao_oss_set_property (ao_driver_t *this_gen, int property, int value)
this->mixer.mute = (value) ? 1 : 0;
if(this->mixer.mute) {
-
+
if(this->mixer.fd != -1) {
IOCTL_REQUEST_TYPE cmd = 0;
int v = 0;
-
+
ioctl(this->mixer.fd, SOUND_MIXER_READ_DEVMASK, &audio_devs);
-
+
if(audio_devs & SOUND_MASK_PCM)
cmd = SOUND_MIXER_WRITE_PCM;
else if(audio_devs & SOUND_MASK_VOLUME)
cmd = SOUND_MIXER_WRITE_VOLUME;
else
return -1;
-
+
ioctl(this->mixer.fd, cmd, &v);
} else
return -1;
} else
(void) ao_oss_set_property(&this->ao_driver, this->mixer.prop, this->mixer.volume);
-
+
return value;
break;
}
@@ -625,7 +625,7 @@ static int ao_oss_ctrl(ao_driver_t *this_gen, int cmd, ...) {
if (this->sync_method != OSS_SYNC_SOFTSYNC)
ioctl(this->audio_fd, SNDCTL_DSP_RESET, NULL);
-
+
/* close/reopen if RESET causes problems */
if (this->sync_method == OSS_SYNC_GETOPTR) {
ao_oss_close(this_gen);
@@ -641,7 +641,7 @@ static int ao_oss_ctrl(ao_driver_t *this_gen, int cmd, ...) {
lprintf ("AO_CTRL_FLUSH_BUFFERS\n");
if (this->sync_method != OSS_SYNC_SOFTSYNC)
ioctl(this->audio_fd, SNDCTL_DSP_RESET, NULL);
-
+
if (this->sync_method == OSS_SYNC_GETOPTR) {
ao_oss_close(this_gen);
ao_oss_open(this_gen, this->bits_per_sample, this->input_sample_rate, this->mode);
@@ -687,14 +687,14 @@ static int probe_audio_devices(oss_driver_t *this) {
strcpy(this->audio_dev, devname); /* Better, keep this one */
best_rate = rate;
}
-
+
close (audio_fd);
}
}
}
return best_rate; /* Will be zero if we did not find one */
-}
-
+}
+
static void oss_speaker_arrangement_cb (void *user_data,
xine_cfg_entry_t *entry);
@@ -728,7 +728,7 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
#define A52_PASSTHRU 12
int speakers;
-
+
this = calloc(1, sizeof (oss_driver_t));
if (!this)
return NULL;
@@ -762,7 +762,7 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
xprintf(class->xine, XINE_VERBOSITY_LOG,
_("audio_oss_out: audio.device.oss_device_name = auto, probing devs\n"));
if ( ! probe_audio_devices(this)) { /* Returns zero on fail */
- xprintf(class->xine, XINE_VERBOSITY_LOG,
+ xprintf(class->xine, XINE_VERBOSITY_LOG,
_("audio_oss_out: Auto probe for audio device failed\n"));
free (this);
return NULL;
@@ -784,18 +784,18 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
audio_fd = open(this->audio_dev, O_WRONLY|O_NONBLOCK);
if (audio_fd < 0) {
- xprintf(class->xine, XINE_VERBOSITY_LOG,
+ xprintf(class->xine, XINE_VERBOSITY_LOG,
_("audio_oss_out: opening audio device %s failed:\n%s\n"), this->audio_dev, strerror(errno));
free (this);
return NULL;
- }
+ }
/*
* set up driver to reasonable values for capabilities tests
*/
- arg = AFMT_S16_NE;
+ arg = AFMT_S16_NE;
status = ioctl(audio_fd, SNDCTL_DSP_SETFMT, &arg);
arg = 44100;
status = ioctl(audio_fd, SNDCTL_DSP_SPEED, &arg);
@@ -805,7 +805,7 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
*/
this->sync_method = config->register_enum (config, "audio.oss_sync_method", OSS_SYNC_AUTO_DETECT,
- sync_methods,
+ sync_methods,
_("a/v sync method to use by OSS"),
_("xine can use different methods to keep audio and video "
"synchronized. Which setting works best depends on the "
@@ -862,9 +862,9 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
"audio_oss_out: ...will use system real-time clock for soft-sync instead\n"
"audio_oss_out: ...there may be audio/video synchronization issues\n"));
xine_monotonic_clock(&this->start_time, NULL);
-
+
this->latency = config->register_range (config, "audio.oss_latency", 0,
- -3000, 3000,
+ -3000, 3000,
_("OSS audio output latency (adjust a/v sync)"),
_("If you experience audio being not in sync "
"with the video, you can enter a fixed offset "
@@ -873,20 +873,20 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
"of a second."),
20, NULL, NULL);
}
-
+
if (this->sync_method == OSS_SYNC_PROBEBUFFER) {
char *buf;
int c;
this->buffer_size = 0;
-
+
if( (buf=calloc(1, 1024)) != NULL ) {
do {
c = write(audio_fd,buf,1024);
if( c != -1 )
this->buffer_size += c;
} while( c == 1024 );
-
+
free(buf);
}
close(audio_fd);
@@ -896,7 +896,7 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
audio_fd=open(this->audio_dev, O_WRONLY|O_NONBLOCK);
- if(audio_fd < 0)
+ if(audio_fd < 0)
{
xprintf(class->xine, XINE_VERBOSITY_LOG,
_("audio_oss_out: opening audio device %s failed:\n%s\n"), this->audio_dev, strerror(errno));
@@ -907,11 +907,11 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
}
this->capabilities = 0;
-
+
arg = AFMT_U8;
if( ioctl(audio_fd, SNDCTL_DSP_SETFMT, &arg) != -1 && arg == AFMT_U8)
this->capabilities |= AO_CAP_8BITS;
-
+
/* switch back to 16bits, because some soundcards otherwise do not report all their capabilities */
arg = AFMT_S16_NE;
if (ioctl(audio_fd, SNDCTL_DSP_SETFMT, &arg) == -1 || arg != AFMT_S16_NE) {
@@ -956,30 +956,30 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
char *logmsg = strdup (_("audio_oss_out: supported modes are"));
- num_channels = 1;
- status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
+ num_channels = 1;
+ status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
if ( (status != -1) && (num_channels==1) ) {
this->capabilities |= AO_CAP_MODE_MONO;
xine_strcat_realloc (&logmsg, _(" mono"));
}
- num_channels = 2;
- status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
+ num_channels = 2;
+ status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
if ( (status != -1) && (num_channels==2) ) {
this->capabilities |= AO_CAP_MODE_STEREO;
xine_strcat_realloc (&logmsg, _(" stereo"));
}
- num_channels = 4;
- status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
+ num_channels = 4;
+ status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
if ( (status != -1) && (num_channels==4) ) {
if ( speakers == SURROUND4 ) {
this->capabilities |= AO_CAP_MODE_4CHANNEL;
xine_strcat_realloc (&logmsg, _(" 4-channel"));
- }
+ }
else
xine_strcat_realloc (&logmsg, _(" (4-channel not enabled in xine config)"));
}
- num_channels = 5;
- status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
+ num_channels = 5;
+ status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
if ( (status != -1) && (num_channels==5) ) {
if ( speakers == SURROUND5 ) {
this->capabilities |= AO_CAP_MODE_5CHANNEL;
@@ -988,13 +988,13 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
else
xine_strcat_realloc (&logmsg, _(" (5-channel not enabled in xine config)"));
}
- num_channels = 6;
- status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
+ num_channels = 6;
+ status = ioctl(audio_fd, SNDCTL_DSP_CHANNELS, &num_channels);
if ( (status != -1) && (num_channels==6) ) {
if ( speakers == SURROUND51 ) {
this->capabilities |= AO_CAP_MODE_5_1CHANNEL;
xine_strcat_realloc (&logmsg, _(" 5.1-channel"));
- }
+ }
else
xine_strcat_realloc (&logmsg, _(" (5.1-channel not enabled in xine config)"));
}
@@ -1007,13 +1007,13 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
this->capabilities |= AO_CAP_MODE_A52;
this->capabilities |= AO_CAP_MODE_AC5;
xine_strcat_realloc (&logmsg, _(" a/52 pass-through"));
- }
- else
+ }
+ else
xine_strcat_realloc (&logmsg, _(" (a/52 pass-through not enabled in xine config)"));
xprintf(class->xine, XINE_VERBOSITY_DEBUG, "%s\n", logmsg);
free (logmsg);
-
+
/*
* mixer initialisation.
*/
@@ -1022,7 +1022,7 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
int mixer_num;
int audio_devs;
char *parse;
-
+
mixer_num = config->register_num(config, "audio.device.oss_mixer_number", -1,
_("OSS audio mixer number, -1 for none"),
_("The full mixer device name is created by taking the "
@@ -1033,7 +1033,7 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
"The range of this value is -1 or 0-15. This setting is "
"ignored, when the OSS audio device name is set to \"auto\"."),
10, NULL, NULL);
-
+
/* get the mixer device name from the audio device name by replacing "dsp" with "mixer" */
strcpy(mixer_name, this->audio_dev);
if ((parse = strstr(mixer_name, "dsp"))) {
@@ -1050,13 +1050,13 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
} else {
_x_abort();
}
-
+
this->mixer.fd = open(this->mixer.name, O_RDONLY);
if(this->mixer.fd != -1) {
ioctl(this->mixer.fd, SOUND_MIXER_READ_DEVMASK, &audio_devs);
-
+
if(audio_devs & SOUND_MASK_PCM) {
this->capabilities |= AO_CAP_PCM_VOL;
this->mixer.prop = AO_PROP_PCM_VOL;
@@ -1065,9 +1065,9 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
this->capabilities |= AO_CAP_MIXER_VOL;
this->mixer.prop = AO_PROP_MIXER_VOL;
}
-
+
/*
- * This is obsolete in Linux kernel OSS
+ * This is obsolete in Linux kernel OSS
* implementation, so this will certainly doesn't work.
* So we just simulate the mute stuff
*/
@@ -1076,11 +1076,11 @@ static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, const void *da
this->capabilities |= AO_CAP_MUTE_VOL;
*/
this->capabilities |= AO_CAP_MUTE_VOL;
-
- } else
+
+ } else
xprintf (class->xine, XINE_VERBOSITY_LOG,
_("audio_oss_out: open() mixer %s failed: %s\n"), this->mixer.name, strerror(errno));
-
+
this->mixer.mute = 0;
this->mixer.volume = ao_oss_get_property (&this->ao_driver, this->mixer.prop);
@@ -1190,7 +1190,7 @@ static const ao_info_t ao_info_oss = {
*/
const plugin_info_t xine_plugin_info[] EXPORTED = {
- /* type, API, "name", version, special_info, init_function */
+ /* type, API, "name", version, special_info, init_function */
{ PLUGIN_AUDIO_OUT, AO_OUT_OSS_IFACE_VERSION, "oss", XINE_VERSION_CODE, &ao_info_oss, init_class },
{ PLUGIN_NONE, 0, "", 0, NULL, NULL }
};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 18:10:55 +0000