output_*: convert to C++

1 files changed, 0 insertions, 336 deletions

diff --git a/src/output_control.c b/src/output_control.c
deleted file mode 100644
index 7b95be49b..000000000
--- a/src/output_control.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program 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.
- *
- * This program 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 02110-1301 USA.
- */
-
-#include "config.h"
-#include "output_control.h"
-#include "output_api.h"
-#include "output_internal.h"
-#include "output_thread.h"
-#include "mixer_control.h"
-#include "mixer_plugin.h"
-#include "filter_plugin.h"
-#include "notify.h"
-
-#include <assert.h>
-#include <stdlib.h>
-
-enum {
-	/** after a failure, wait this number of seconds before
-	    automatically reopening the device */
-	REOPEN_AFTER = 10,
-};
-
-struct notify audio_output_client_notify;
-
-/**
- * Waits for command completion.
- *
- * @param ao the #audio_output instance; must be locked
- */
-static void ao_command_wait(struct audio_output *ao)
-{
-	while (ao->command != AO_COMMAND_NONE) {
-		g_mutex_unlock(ao->mutex);
-		notify_wait(&audio_output_client_notify);
-		g_mutex_lock(ao->mutex);
-	}
-}
-
-/**
- * Sends a command to the #audio_output object, but does not wait for
- * completion.
- *
- * @param ao the #audio_output instance; must be locked
- */
-static void ao_command_async(struct audio_output *ao,
-			     enum audio_output_command cmd)
-{
-	assert(ao->command == AO_COMMAND_NONE);
-	ao->command = cmd;
-	g_cond_signal(ao->cond);
-}
-
-/**
- * Sends a command to the #audio_output object and waits for
- * completion.
- *
- * @param ao the #audio_output instance; must be locked
- */
-static void
-ao_command(struct audio_output *ao, enum audio_output_command cmd)
-{
-	ao_command_async(ao, cmd);
-	ao_command_wait(ao);
-}
-
-/**
- * Lock the #audio_output object and execute the command
- * synchronously.
- */
-static void
-ao_lock_command(struct audio_output *ao, enum audio_output_command cmd)
-{
-	g_mutex_lock(ao->mutex);
-	ao_command(ao, cmd);
-	g_mutex_unlock(ao->mutex);
-}
-
-void
-audio_output_enable(struct audio_output *ao)
-{
-	if (ao->thread == NULL) {
-		if (ao->plugin->enable == NULL) {
-			/* don't bother to start the thread now if the
-			   device doesn't even have a enable() method;
-			   just assign the variable and we're done */
-			ao->really_enabled = true;
-			return;
-		}
-
-		audio_output_thread_start(ao);
-	}
-
-	ao_lock_command(ao, AO_COMMAND_ENABLE);
-}
-
-void
-audio_output_disable(struct audio_output *ao)
-{
-	if (ao->thread == NULL) {
-		if (ao->plugin->disable == NULL)
-			ao->really_enabled = false;
-		else
-			/* if there's no thread yet, the device cannot
-			   be enabled */
-			assert(!ao->really_enabled);
-
-		return;
-	}
-
-	ao_lock_command(ao, AO_COMMAND_DISABLE);
-}
-
-/**
- * Object must be locked (and unlocked) by the caller.
- */
-static bool
-audio_output_open(struct audio_output *ao,
-		  const struct audio_format *audio_format,
-		  const struct music_pipe *mp)
-{
-	bool open;
-
-	assert(ao != NULL);
-	assert(ao->allow_play);
-	assert(audio_format_valid(audio_format));
-	assert(mp != NULL);
-
-	if (ao->fail_timer != NULL) {
-		g_timer_destroy(ao->fail_timer);
-		ao->fail_timer = NULL;
-	}
-
-	if (ao->open &&
-	    audio_format_equals(audio_format, &ao->in_audio_format)) {
-		assert(ao->pipe == mp ||
-		       (ao->always_on && ao->pause));
-
-		if (ao->pause) {
-			ao->chunk = NULL;
-			ao->pipe = mp;
-
-			/* unpause with the CANCEL command; this is a
-			   hack, but suits well for forcing the thread
-			   to leave the ao_pause() thread, and we need
-			   to flush the device buffer anyway */
-
-			/* we're not using audio_output_cancel() here,
-			   because that function is asynchronous */
-			ao_command(ao, AO_COMMAND_CANCEL);
-		}
-
-		return true;
-	}
-
-	ao->in_audio_format = *audio_format;
-	ao->chunk = NULL;
-
-	ao->pipe = mp;
-
-	if (ao->thread == NULL)
-		audio_output_thread_start(ao);
-
-	ao_command(ao, ao->open ? AO_COMMAND_REOPEN : AO_COMMAND_OPEN);
-	open = ao->open;
-
-	if (open && ao->mixer != NULL) {
-		GError *error = NULL;
-
-		if (!mixer_open(ao->mixer, &error)) {
-			g_warning("Failed to open mixer for '%s': %s",
-				  ao->name, error->message);
-			g_error_free(error);
-		}
-	}
-
-	return open;
-}
-
-/**
- * Same as audio_output_close(), but expects the lock to be held by
- * the caller.
- */
-static void
-audio_output_close_locked(struct audio_output *ao)
-{
-	assert(ao != NULL);
-	assert(ao->allow_play);
-
-	if (ao->mixer != NULL)
-		mixer_auto_close(ao->mixer);
-
-	assert(!ao->open || ao->fail_timer == NULL);
-
-	if (ao->open)
-		ao_command(ao, AO_COMMAND_CLOSE);
-	else if (ao->fail_timer != NULL) {
-		g_timer_destroy(ao->fail_timer);
-		ao->fail_timer = NULL;
-	}
-}
-
-bool
-audio_output_update(struct audio_output *ao,
-		    const struct audio_format *audio_format,
-		    const struct music_pipe *mp)
-{
-	assert(mp != NULL);
-
-	g_mutex_lock(ao->mutex);
-
-	if (ao->enabled && ao->really_enabled) {
-		if (ao->fail_timer == NULL ||
-		    g_timer_elapsed(ao->fail_timer, NULL) > REOPEN_AFTER) {
-			bool success = audio_output_open(ao, audio_format, mp);
-			g_mutex_unlock(ao->mutex);
-			return success;
-		}
-	} else if (audio_output_is_open(ao))
-		audio_output_close_locked(ao);
-
-	g_mutex_unlock(ao->mutex);
-	return false;
-}
-
-void
-audio_output_play(struct audio_output *ao)
-{
-	g_mutex_lock(ao->mutex);
-
-	assert(ao->allow_play);
-
-	if (audio_output_is_open(ao))
-		g_cond_signal(ao->cond);
-
-	g_mutex_unlock(ao->mutex);
-}
-
-void audio_output_pause(struct audio_output *ao)
-{
-	if (ao->mixer != NULL && ao->plugin->pause == NULL)
-		/* the device has no pause mode: close the mixer,
-		   unless its "global" flag is set (checked by
-		   mixer_auto_close()) */
-		mixer_auto_close(ao->mixer);
-
-	g_mutex_lock(ao->mutex);
-	assert(ao->allow_play);
-	if (audio_output_is_open(ao))
-		ao_command_async(ao, AO_COMMAND_PAUSE);
-	g_mutex_unlock(ao->mutex);
-}
-
-void
-audio_output_drain_async(struct audio_output *ao)
-{
-	g_mutex_lock(ao->mutex);
-	assert(ao->allow_play);
-	if (audio_output_is_open(ao))
-		ao_command_async(ao, AO_COMMAND_DRAIN);
-	g_mutex_unlock(ao->mutex);
-}
-
-void audio_output_cancel(struct audio_output *ao)
-{
-	g_mutex_lock(ao->mutex);
-
-	if (audio_output_is_open(ao)) {
-		ao->allow_play = false;
-		ao_command_async(ao, AO_COMMAND_CANCEL);
-	}
-
-	g_mutex_unlock(ao->mutex);
-}
-
-void
-audio_output_allow_play(struct audio_output *ao)
-{
-	g_mutex_lock(ao->mutex);
-
-	ao->allow_play = true;
-	if (audio_output_is_open(ao))
-		g_cond_signal(ao->cond);
-
-	g_mutex_unlock(ao->mutex);
-}
-
-void
-audio_output_release(struct audio_output *ao)
-{
-	if (ao->always_on)
-		audio_output_pause(ao);
-	else
-		audio_output_close(ao);
-}
-
-void audio_output_close(struct audio_output *ao)
-{
-	assert(ao != NULL);
-	assert(!ao->open || ao->fail_timer == NULL);
-
-	g_mutex_lock(ao->mutex);
-	audio_output_close_locked(ao);
-	g_mutex_unlock(ao->mutex);
-}
-
-void audio_output_finish(struct audio_output *ao)
-{
-	audio_output_close(ao);
-
-	assert(ao->fail_timer == NULL);
-
-	if (ao->thread != NULL) {
-		assert(ao->allow_play);
-		ao_lock_command(ao, AO_COMMAND_KILL);
-		g_thread_join(ao->thread);
-		ao->thread = NULL;
-	}
-
-	audio_output_free(ao);
-}