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-rw-r--r--src/decoder_control.c121
1 files changed, 73 insertions, 48 deletions
diff --git a/src/decoder_control.c b/src/decoder_control.c
index 44bb63e15..eeb4670a0 100644
--- a/src/decoder_control.c
+++ b/src/decoder_control.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -17,108 +17,133 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "config.h"
#include "decoder_control.h"
+#include "player_control.h"
#include <assert.h>
-struct decoder_control dc;
+void
+dc_init(struct decoder_control *dc)
+{
+ dc->thread = NULL;
-void dc_init(void)
+ dc->mutex = g_mutex_new();
+ dc->cond = g_cond_new();
+
+ dc->state = DECODE_STATE_STOP;
+ dc->command = DECODE_COMMAND_NONE;
+}
+
+void
+dc_deinit(struct decoder_control *dc)
{
- notify_init(&dc.notify);
- dc.state = DECODE_STATE_STOP;
- dc.command = DECODE_COMMAND_NONE;
+ g_cond_free(dc->cond);
+ g_mutex_free(dc->mutex);
}
-void dc_deinit(void)
+static void
+dc_command_wait_locked(struct decoder_control *dc)
{
- notify_deinit(&dc.notify);
+ while (dc->command != DECODE_COMMAND_NONE)
+ player_wait_decoder(dc);
}
void
-dc_command_wait(struct notify *notify)
+dc_command_wait(struct decoder_control *dc)
{
- while (dc.command != DECODE_COMMAND_NONE) {
- notify_signal(&dc.notify);
- notify_wait(notify);
- }
+ decoder_lock(dc);
+ dc_command_wait_locked(dc);
+ decoder_unlock(dc);
}
static void
-dc_command(struct notify *notify, enum decoder_command cmd)
+dc_command_locked(struct decoder_control *dc, enum decoder_command cmd)
{
- dc.command = cmd;
- dc_command_wait(notify);
+ dc->command = cmd;
+ decoder_signal(dc);
+ dc_command_wait_locked(dc);
}
-static void dc_command_async(enum decoder_command cmd)
+static void
+dc_command(struct decoder_control *dc, enum decoder_command cmd)
{
- dc.command = cmd;
- notify_signal(&dc.notify);
+ decoder_lock(dc);
+ dc_command_locked(dc, cmd);
+ decoder_unlock(dc);
}
-void
-dc_start(struct notify *notify, struct song *song)
+static void
+dc_command_async(struct decoder_control *dc, enum decoder_command cmd)
{
- assert(dc.pipe != NULL);
- assert(song != NULL);
+ decoder_lock(dc);
- dc.next_song = song;
- dc_command(notify, DECODE_COMMAND_START);
+ dc->command = cmd;
+ decoder_signal(dc);
+
+ decoder_unlock(dc);
}
void
-dc_start_async(struct song *song)
+dc_start(struct decoder_control *dc, struct song *song,
+ struct music_buffer *buffer, struct music_pipe *pipe)
{
- assert(dc.pipe != NULL);
assert(song != NULL);
+ assert(buffer != NULL);
+ assert(pipe != NULL);
- dc.next_song = song;
- dc_command_async(DECODE_COMMAND_START);
+ dc->song = song;
+ dc->buffer = buffer;
+ dc->pipe = pipe;
+ dc_command(dc, DECODE_COMMAND_START);
}
void
-dc_stop(struct notify *notify)
+dc_stop(struct decoder_control *dc)
{
- if (dc.command != DECODE_COMMAND_NONE)
+ decoder_lock(dc);
+
+ if (dc->command != DECODE_COMMAND_NONE)
/* Attempt to cancel the current command. If it's too
late and the decoder thread is already executing
the old command, we'll call STOP again in this
function (see below). */
- dc_command(notify, DECODE_COMMAND_STOP);
+ dc_command_locked(dc, DECODE_COMMAND_STOP);
+
+ if (dc->state != DECODE_STATE_STOP && dc->state != DECODE_STATE_ERROR)
+ dc_command_locked(dc, DECODE_COMMAND_STOP);
- if (dc.state != DECODE_STATE_STOP && dc.state != DECODE_STATE_ERROR)
- dc_command(notify, DECODE_COMMAND_STOP);
+ decoder_unlock(dc);
}
bool
-dc_seek(struct notify *notify, double where)
+dc_seek(struct decoder_control *dc, double where)
{
- assert(dc.state != DECODE_STATE_START);
+ assert(dc->state != DECODE_STATE_START);
assert(where >= 0.0);
- if (dc.state == DECODE_STATE_STOP ||
- dc.state == DECODE_STATE_ERROR || !dc.seekable)
+ if (dc->state == DECODE_STATE_STOP ||
+ dc->state == DECODE_STATE_ERROR || !dc->seekable)
return false;
- dc.seek_where = where;
- dc.seek_error = false;
- dc_command(notify, DECODE_COMMAND_SEEK);
+ dc->seek_where = where;
+ dc->seek_error = false;
+ dc_command(dc, DECODE_COMMAND_SEEK);
- if (dc.seek_error)
+ if (dc->seek_error)
return false;
return true;
}
void
-dc_quit(void)
+dc_quit(struct decoder_control *dc)
{
- assert(dc.thread != NULL);
+ assert(dc->thread != NULL);
- dc.quit = true;
- dc_command_async(DECODE_COMMAND_STOP);
+ dc->quit = true;
+ dc_command_async(dc, DECODE_COMMAND_STOP);
- g_thread_join(dc.thread);
- dc.thread = NULL;
+ g_thread_join(dc->thread);
+ dc->thread = NULL;
}