static gint64
xmms_ringbuf_plugin_seek (xmms_xform_t *xform, gint64 offset, xmms_xform_seek_mode_t whence, xmms_error_t *error)
{
xmms_ringbuf_priv_t *priv;
gint64 res = -1;
priv = xmms_xform_private_data_get (xform);
g_mutex_lock (&priv->state_lock);
if (priv->state == STATE_BUFFERING) {
priv->state = STATE_WANT_SEEK;
priv->seek_offset = offset;
priv->seek_whence = whence;
xmms_ringbuf_set_eos (priv->buffer, TRUE);
while (priv->state == STATE_WANT_SEEK) {
g_cond_wait (&priv->state_cond, &priv->state_lock);
}
xmms_ringbuf_set_eos (priv->buffer, FALSE);
if (priv->state == STATE_SEEK_DONE) {
res = priv->seek_res;
priv->state = STATE_WANT_BUFFER;
}
}
g_cond_signal (&priv->state_cond);
g_mutex_unlock (&priv->state_lock);
return res;
}
static gboolean
song_changed (void *data)
{
/* executes in the output thread; NOT the filler thread */
xmms_output_song_changed_arg_t *arg = (xmms_output_song_changed_arg_t *)data;
xmms_medialib_entry_t entry;
entry = xmms_xform_entry_get (arg->chain);
XMMS_DBG ("Running hotspot! Song changed!! %d", entry);
arg->output->played = 0;
arg->output->current_entry = entry;
if (!xmms_output_format_set (arg->output, xmms_xform_outtype_get (arg->chain))) {
XMMS_DBG ("Couldn't set format, stopping filler..");
xmms_output_filler_state_nolock (arg->output, FILLER_STOP);
xmms_ringbuf_set_eos (arg->output->filler_buffer, TRUE);
return FALSE;
}
if (arg->flush)
xmms_output_flush (arg->output);
xmms_object_emit_f (XMMS_OBJECT (arg->output),
XMMS_IPC_SIGNAL_OUTPUT_CURRENTID,
XMMSV_TYPE_UINT32,
entry);
return TRUE;
}
static void
xmms_output_filler_state_nolock (xmms_output_t *output, xmms_output_filler_state_t state)
{
output->filler_state = state;
g_cond_signal (output->filler_state_cond);
if (state == FILLER_QUIT || state == FILLER_STOP || state == FILLER_KILL) {
xmms_ringbuf_clear (output->filler_buffer);
}
if (state != FILLER_STOP) {
xmms_ringbuf_set_eos (output->filler_buffer, FALSE);
}
}
static void
fill (xmms_xform_t *xform, xmms_ringbuf_priv_t *priv)
{
xmms_error_t err;
char buf[4096];
int res;
res = xmms_xform_read (xform, buf, sizeof (buf), &err);
if (res > 0) {
xmms_ringbuf_write_wait (priv->buffer, buf, res, &priv->buffer_lock);
} else if (res == -1) {
/* XXX copy error */
g_mutex_lock (&priv->state_lock);
priv->state = STATE_WANT_STOP;
} else {
xmms_ringbuf_set_eos (priv->buffer, TRUE);
priv->state = STATE_WANT_STOP;
}
}
static gboolean
song_changed (void *data)
{
/* executes in the output thread; NOT the filler thread */
xmms_output_song_changed_arg_t *arg = (xmms_output_song_changed_arg_t *)data;
xmms_medialib_entry_t entry;
xmms_stream_type_t *type;
entry = xmms_xform_entry_get (arg->chain);
XMMS_DBG ("Running hotspot! Song changed!! %d", entry);
arg->output->played = 0;
arg->output->current_entry = entry;
type = xmms_xform_outtype_get (arg->chain);
if (!xmms_output_format_set (arg->output, type)) {
gint fmt, rate, chn;
fmt = xmms_stream_type_get_int (type, XMMS_STREAM_TYPE_FMT_FORMAT);
rate = xmms_stream_type_get_int (type, XMMS_STREAM_TYPE_FMT_SAMPLERATE);
chn = xmms_stream_type_get_int (type, XMMS_STREAM_TYPE_FMT_CHANNELS);
XMMS_DBG ("Couldn't set format %s/%d/%d, stopping filler..",
xmms_sample_name_get (fmt), rate, chn);
xmms_output_filler_state_nolock (arg->output, FILLER_STOP);
xmms_ringbuf_set_eos (arg->output->filler_buffer, TRUE);
return FALSE;
}
if (arg->flush)
xmms_output_flush (arg->output);
xmms_object_emit (XMMS_OBJECT (arg->output),
XMMS_IPC_SIGNAL_PLAYBACK_CURRENTID,
xmmsv_new_int (entry));
return TRUE;
}
static void *
xmms_output_filler (void *arg)
{
xmms_output_t *output = (xmms_output_t *)arg;
xmms_xform_t *chain = NULL;
gboolean last_was_kill = FALSE;
char buf[4096];
xmms_error_t err;
gint ret;
xmms_error_reset (&err);
g_mutex_lock (output->filler_mutex);
while (output->filler_state != FILLER_QUIT) {
if (output->filler_state == FILLER_STOP) {
if (chain) {
xmms_object_unref (chain);
chain = NULL;
}
xmms_ringbuf_set_eos (output->filler_buffer, TRUE);
g_cond_wait (output->filler_state_cond, output->filler_mutex);
last_was_kill = FALSE;
continue;
}
if (output->filler_state == FILLER_KILL) {
if (chain) {
xmms_object_unref (chain);
chain = NULL;
output->filler_state = FILLER_RUN;
last_was_kill = TRUE;
} else {
output->filler_state = FILLER_STOP;
}
continue;
}
if (output->filler_state == FILLER_SEEK) {
if (!chain) {
XMMS_DBG ("Seek without chain, ignoring..");
output->filler_state = FILLER_STOP;
continue;
}
ret = xmms_xform_this_seek (chain, output->filler_seek, XMMS_XFORM_SEEK_SET, &err);
if (ret == -1) {
XMMS_DBG ("Seeking failed: %s", xmms_error_message_get (&err));
} else {
XMMS_DBG ("Seek ok! %d", ret);
output->filler_skip = output->filler_seek - ret;
if (output->filler_skip < 0) {
XMMS_DBG ("Seeked %d samples too far! Updating position...",
-output->filler_skip);
output->filler_skip = 0;
output->filler_seek = ret;
}
xmms_ringbuf_clear (output->filler_buffer);
xmms_ringbuf_hotspot_set (output->filler_buffer, seek_done, NULL, output);
}
output->filler_state = FILLER_RUN;
}
if (!chain) {
xmms_medialib_entry_t entry;
xmms_output_song_changed_arg_t *arg;
xmms_medialib_session_t *session;
g_mutex_unlock (output->filler_mutex);
entry = xmms_playlist_current_entry (output->playlist);
if (!entry) {
XMMS_DBG ("No entry from playlist!");
output->filler_state = FILLER_STOP;
g_mutex_lock (output->filler_mutex);
continue;
}
chain = xmms_xform_chain_setup (entry, output->format_list, FALSE);
if (!chain) {
session = xmms_medialib_begin_write ();
if (xmms_medialib_entry_property_get_int (session, entry, XMMS_MEDIALIB_ENTRY_PROPERTY_STATUS) == XMMS_MEDIALIB_ENTRY_STATUS_NEW) {
xmms_medialib_end (session);
xmms_medialib_entry_remove (entry);
} else {
xmms_medialib_entry_status_set (session, entry, XMMS_MEDIALIB_ENTRY_STATUS_NOT_AVAILABLE);
xmms_medialib_entry_send_update (entry);
xmms_medialib_end (session);
}
if (!xmms_playlist_advance (output->playlist)) {
XMMS_DBG ("End of playlist");
output->filler_state = FILLER_STOP;
}
g_mutex_lock (output->filler_mutex);
continue;
}
arg = g_new0 (xmms_output_song_changed_arg_t, 1);
arg->output = output;
arg->chain = chain;
arg->flush = last_was_kill;
xmms_object_ref (chain);
last_was_kill = FALSE;
g_mutex_lock (output->filler_mutex);
xmms_ringbuf_hotspot_set (output->filler_buffer, song_changed, song_changed_arg_free, arg);
}
xmms_ringbuf_wait_free (output->filler_buffer, sizeof (buf), output->filler_mutex);
if (output->filler_state != FILLER_RUN) {
XMMS_DBG ("State changed while waiting...");
continue;
}
g_mutex_unlock (output->filler_mutex);
ret = xmms_xform_this_read (chain, buf, sizeof (buf), &err);
g_mutex_lock (output->filler_mutex);
if (ret > 0) {
gint skip = MIN (ret, output->toskip);
output->toskip -= skip;
if (ret > skip) {
xmms_ringbuf_write_wait (output->filler_buffer,
buf + skip,
ret - skip,
output->filler_mutex);
}
} else {
if (ret == -1) {
/* print error */
xmms_error_reset (&err);
}
xmms_object_unref (chain);
chain = NULL;
if (!xmms_playlist_advance (output->playlist)) {
XMMS_DBG ("End of playlist");
output->filler_state = FILLER_STOP;
}
}
}
g_mutex_unlock (output->filler_mutex);
return NULL;
}