/*
* close audio device
*/
static void uninit(int immed)
{
if (esd_play_fd >= 0) {
esd_close(esd_play_fd);
esd_play_fd = -1;
}
if (esd_svinfo) {
esd_free_server_info(esd_svinfo);
esd_svinfo = NULL;
}
if (esd_fd >= 0) {
esd_close(esd_fd);
esd_fd = -1;
}
}
/* release all memory allocated for the esd info structure */
void esd_free_all_info( esd_info_t *info ) {
esd_player_info_t *player, *oplayer;
esd_sample_info_t *sample, *osample;
if ( info != NULL ) {
/*
if ( info->server )
free(info->server);
*/
esd_free_server_info(info->server);
/*
// TODO: do we need to free more?
if ( info->player_list )
free(info->player_list);
if ( info->sample_list )
free(info->sample_list);
*/
player = info->player_list;
while (player) {
oplayer = player;
player = player->next;
free(oplayer);
}
sample = info->sample_list;
while (sample) {
osample = sample;
sample = sample->next;
free(osample);
}
free(info);
}
}
static int open_esound(audio_output_t *ao)
{
esd_format_t format = ESD_STREAM | ESD_PLAY;
if (!esd_rate)
{
int esd;
esd_server_info_t *info;
esd_format_t fmt;
if ((esd = esd_open_sound(NULL)) >= 0)
{
info = esd_get_server_info(esd);
esd_rate = info->rate;
fmt = info->format;
esd_free_server_info(info);
esd_close(esd);
}
else
{
esd_rate = esd_audio_rate;
fmt = esd_audio_format;
}
esd_format = MPG123_ENC_UNSIGNED_8;
if ((fmt & ESD_MASK_BITS) == ESD_BITS16)
esd_format |= MPG123_ENC_SIGNED_16;
esd_channels = fmt & ESD_MASK_CHAN;
}
if (ao->format == -1)
ao->format = esd_format;
else if (!(ao->format & esd_format))
{
error1("Unsupported audio format: %d\n", ao->format);
errno = EINVAL;
return -1;
}
if (ao->format & MPG123_ENC_SIGNED_16)
format |= ESD_BITS16;
else if (ao->format & MPG123_ENC_UNSIGNED_8)
format |= ESD_BITS8;
else assert(0);
if (ao->channels == -1) ao->channels = 2;
else if (ao->channels <= 0 || ao->channels > esd_channels)
{
error1("Unsupported no of channels: %d\n", ao->channels);
errno = EINVAL;
return -1;
}
if (ao->channels == 1)
format |= ESD_MONO;
else if (ao->channels == 2)
format |= ESD_STEREO;
else assert(0);
if (ao->rate == -1) ao->rate = esd_rate;
else if (ao->rate > esd_rate)
return -1;
ao->fn = esd_play_stream_fallback(format, ao->rate, ao->device, "mpg123");
return (ao->fn);
}
int audio_open(struct audio_info_struct *ai)
{
esd_format_t format = ESD_STREAM | ESD_PLAY;
if (!esd_rate)
{
int esd;
esd_server_info_t *info;
esd_format_t fmt;
if ((esd = esd_open_sound(NULL)) >= 0)
{
info = esd_get_server_info(esd);
esd_rate = info->rate;
fmt = info->format;
esd_free_server_info(info);
esd_close(esd);
}
else
{
esd_rate = esd_audio_rate;
fmt = esd_audio_format;
}
esd_format = AUDIO_FORMAT_UNSIGNED_8;
if ((fmt & ESD_MASK_BITS) == ESD_BITS16)
esd_format |= AUDIO_FORMAT_SIGNED_16;
esd_channels = fmt & ESD_MASK_CHAN;
}
if (ai->format == -1)
ai->format = esd_format;
else if (!(ai->format & esd_format))
{
fprintf(stderr, "audio: Unsupported audio format: %d\n", ai->format);
errno = EINVAL;
return -1;
}
if (ai->format & AUDIO_FORMAT_SIGNED_16)
format |= ESD_BITS16;
else if (ai->format & AUDIO_FORMAT_UNSIGNED_8)
format |= ESD_BITS8;
else
assert(0);
if (ai->channels == -1)
ai->channels = 2;
else if (ai->channels <= 0 || ai->channels > esd_channels)
{
fprintf(stderr, "audio: Unsupported no of channels: %d\n", ai->channels);
errno = EINVAL;
return -1;
}
if (ai->channels == 1)
format |= ESD_MONO;
else if (ai->channels == 2)
format |= ESD_STEREO;
else
assert(0);
if (ai->rate == -1)
ai->rate = esd_rate;
else if (ai->rate > esd_rate)
return -1;
ai->fn = esd_play_stream_fallback(format, ai->rate, param.esdserver, "mpg123");
return (ai->fn);
}
static gboolean
gst_esdsink_open (GstAudioSink * asink)
{
esd_server_info_t *server_info;
GstPadTemplate *pad_template;
GstEsdSink *esdsink;
gchar *saved_env;
gint i;
esdsink = GST_ESDSINK (asink);
GST_DEBUG_OBJECT (esdsink, "open");
/* ensure libesd doesn't auto-spawn a sound daemon if none is running yet */
saved_env = g_strdup (g_getenv ("ESD_NO_SPAWN"));
g_setenv ("ESD_NO_SPAWN", "1", TRUE);
/* now try to connect to any existing/running sound daemons */
esdsink->ctrl_fd = esd_open_sound (esdsink->host);
/* and restore the previous state */
if (saved_env != NULL) {
g_setenv ("ESD_NO_SPAWN", saved_env, TRUE);
} else {
g_unsetenv ("ESD_NO_SPAWN");
}
g_free (saved_env);
if (esdsink->ctrl_fd < 0)
goto couldnt_connect;
/* get server info */
server_info = esd_get_server_info (esdsink->ctrl_fd);
if (!server_info)
goto no_server_info;
GST_INFO_OBJECT (esdsink, "got server info rate: %i", server_info->rate);
pad_template = gst_static_pad_template_get (&sink_factory);
esdsink->cur_caps = gst_caps_copy (gst_pad_template_get_caps (pad_template));
gst_object_unref (pad_template);
for (i = 0; i < esdsink->cur_caps->structs->len; i++) {
GstStructure *s;
s = gst_caps_get_structure (esdsink->cur_caps, i);
gst_structure_set (s, "rate", G_TYPE_INT, server_info->rate, NULL);
}
esd_free_server_info (server_info);
GST_INFO_OBJECT (esdsink, "server caps: %" GST_PTR_FORMAT, esdsink->cur_caps);
return TRUE;
/* ERRORS */
couldnt_connect:
{
GST_ELEMENT_ERROR (esdsink, RESOURCE, OPEN_WRITE,
(_("Could not establish connection to sound server")),
("can't open connection to esound server"));
return FALSE;
}
no_server_info:
{
GST_ELEMENT_ERROR (esdsink, RESOURCE, OPEN_WRITE,
(_("Failed to query sound server capabilities")),
("couldn't get server info!"));
return FALSE;
}
}
