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authorMax Kellermann <max@duempel.org>2009-02-10 18:51:49 +0100
committerMax Kellermann <max@duempel.org>2009-02-10 18:51:49 +0100
commita3a6eefcfe6f8b8129ac36a70243ca90e651a7fc (patch)
tree8f30130c658f5f819da2ec4f659159654b741aba /src
parente7505381eb4fa708afa7de6fd50f29736ccf3d5e (diff)
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audio: moved code to output_all.c
Moved code which deals with all audio outputs at once into a separate library.
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am2
-rw-r--r--src/audio.c275
-rw-r--r--src/audio.h40
-rw-r--r--src/main.c1
-rw-r--r--src/output_all.c270
-rw-r--r--src/output_all.h69
-rw-r--r--src/output_print.c2
-rw-r--r--src/output_state.c2
-rw-r--r--src/player_thread.c2
-rw-r--r--src/volume.c1
10 files changed, 366 insertions, 298 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 140c0f436..98fe8bea7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -39,6 +39,7 @@ mpd_headers = \
output_internal.h \
output_api.h \
output_list.h \
+ output_all.h \
output_thread.h \
output_control.h \
output_state.h \
@@ -138,6 +139,7 @@ mpd_SOURCES = \
audioOutput.c \
output_api.c \
output_list.c \
+ output_all.c \
output_thread.c \
output_control.c \
output_state.c \
diff --git a/src/audio.c b/src/audio.c
index 56aa70921..d3e66fdb2 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -21,6 +21,7 @@
#include "output_api.h"
#include "output_control.h"
#include "output_internal.h"
+#include "output_all.h"
#include "path.h"
#include "idle.h"
#include "mixer_api.h"
@@ -31,94 +32,6 @@
#include <stdlib.h>
static struct audio_format configured_audio_format;
-static struct audio_format input_audio_format;
-
-static struct audio_output *audioOutputArray;
-static unsigned int audioOutputArraySize;
-
-unsigned int audio_output_count(void)
-{
- return audioOutputArraySize;
-}
-
-struct audio_output *
-audio_output_get(unsigned i)
-{
- assert(i < audioOutputArraySize);
-
- return &audioOutputArray[i];
-}
-
-struct audio_output *
-audio_output_find(const char *name)
-{
- for (unsigned i = 0; i < audioOutputArraySize; ++i) {
- struct audio_output *ao = audio_output_get(i);
-
- if (strcmp(ao->name, name) == 0)
- return ao;
- }
-
- /* name not found */
- return NULL;
-}
-
-static unsigned
-audio_output_config_count(void)
-{
- unsigned int nr = 0;
- const struct config_param *param = NULL;
-
- while ((param = config_get_next_param(CONF_AUDIO_OUTPUT, param)))
- nr++;
- if (!nr)
- nr = 1; /* we'll always have at least one device */
- return nr;
-}
-
-/* make sure initPlayerData is called before this function!! */
-void initAudioDriver(void)
-{
- const struct config_param *param = NULL;
- unsigned int i;
-
- notify_init(&audio_output_client_notify);
-
- audioOutputArraySize = audio_output_config_count();
- audioOutputArray = g_new(struct audio_output, audioOutputArraySize);
-
- for (i = 0; i < audioOutputArraySize; i++)
- {
- struct audio_output *output = &audioOutputArray[i];
- unsigned int j;
-
- param = config_get_next_param(CONF_AUDIO_OUTPUT, param);
-
- /* only allow param to be NULL if there just one audioOutput */
- assert(param || (audioOutputArraySize == 1));
-
- if (!audio_output_init(output, param)) {
- if (param)
- {
- g_error("problems configuring output device "
- "defined at line %i\n", param->line);
- }
- else
- {
- g_error("No audio_output specified and unable to "
- "detect a default audio output device\n");
- }
- }
-
- /* require output names to be unique: */
- for (j = 0; j < i; j++) {
- if (!strcmp(output->name, audioOutputArray[j].name)) {
- g_error("output devices with identical "
- "names: %s\n", output->name);
- }
- }
- }
-}
void getOutputAudioFormat(const struct audio_format *inAudioFormat,
struct audio_format *outAudioFormat)
@@ -199,171 +112,17 @@ void finishAudioConfig(void)
audio_format_clear(&configured_audio_format);
}
-void finishAudioDriver(void)
-{
- unsigned int i;
-
- for (i = 0; i < audioOutputArraySize; i++) {
- audio_output_finish(&audioOutputArray[i]);
- }
-
- g_free(audioOutputArray);
- audioOutputArray = NULL;
- audioOutputArraySize = 0;
-
- notify_deinit(&audio_output_client_notify);
-}
-
-static void audio_output_wait_all(void)
-{
- unsigned i;
-
- while (1) {
- int finished = 1;
-
- for (i = 0; i < audioOutputArraySize; ++i)
- if (audio_output_is_open(&audioOutputArray[i]) &&
- !audio_output_command_is_finished(&audioOutputArray[i]))
- finished = 0;
-
- if (finished)
- break;
-
- notify_wait(&audio_output_client_notify);
- };
-}
-
-static void syncAudioDeviceStates(void)
-{
- unsigned int i;
-
- if (!audio_format_defined(&input_audio_format))
- return;
-
- for (i = 0; i < audioOutputArraySize; ++i)
- audio_output_update(&audioOutputArray[i], &input_audio_format);
-}
-
-bool playAudio(const char *buffer, size_t length)
-{
- bool ret = false;
- unsigned int i;
-
- assert(length > 0);
- /* no partial frames allowed */
- assert((length % audio_format_frame_size(&input_audio_format)) == 0);
-
- syncAudioDeviceStates();
-
- for (i = 0; i < audioOutputArraySize; ++i)
- if (audio_output_is_open(&audioOutputArray[i]))
- audio_output_play(&audioOutputArray[i],
- buffer, length);
-
- while (true) {
- bool finished = true;
-
- for (i = 0; i < audioOutputArraySize; ++i) {
- struct audio_output *ao = &audioOutputArray[i];
-
- if (!audio_output_is_open(ao))
- continue;
-
- if (audio_output_command_is_finished(ao))
- ret = true;
- else {
- finished = false;
- audio_output_signal(ao);
- }
- }
-
- if (finished)
- break;
-
- notify_wait(&audio_output_client_notify);
- };
-
- return ret;
-}
-
-bool openAudioDevice(const struct audio_format *audioFormat)
-{
- bool ret = false;
- unsigned int i;
-
- if (!audioOutputArray)
- return false;
-
- if (audioFormat != NULL)
- input_audio_format = *audioFormat;
-
- syncAudioDeviceStates();
-
- for (i = 0; i < audioOutputArraySize; ++i) {
- if (audioOutputArray[i].open)
- ret = true;
- }
-
- if (!ret)
- /* close all devices if there was an error */
- closeAudioDevice();
-
- return ret;
-}
-
-void audio_output_pause_all(void)
-{
- unsigned int i;
-
- syncAudioDeviceStates();
-
- for (i = 0; i < audioOutputArraySize; ++i)
- if (audio_output_is_open(&audioOutputArray[i]))
- audio_output_pause(&audioOutputArray[i]);
-
- audio_output_wait_all();
-}
-
-void dropBufferedAudio(void)
-{
- unsigned int i;
-
- syncAudioDeviceStates();
-
- for (i = 0; i < audioOutputArraySize; ++i) {
- if (audio_output_is_open(&audioOutputArray[i]))
- audio_output_cancel(&audioOutputArray[i]);
- }
-
- audio_output_wait_all();
-}
-
-void closeAudioDevice(void)
-{
- unsigned int i;
-
- for (i = 0; i < audioOutputArraySize; ++i)
- audio_output_close(&audioOutputArray[i]);
-}
-
-void sendMetadataToAudioDevice(const struct tag *tag)
-{
- unsigned int i;
-
- for (i = 0; i < audioOutputArraySize; ++i)
- if (audio_output_is_open(&audioOutputArray[i]))
- audio_output_send_tag(&audioOutputArray[i], tag);
-
- audio_output_wait_all();
-}
-
int enableAudioDevice(unsigned int device)
{
- if (device >= audioOutputArraySize)
+ struct audio_output *ao;
+
+ if (device >= audio_output_count())
return -1;
- audioOutputArray[device].reopen_after = 0;
- audioOutputArray[device].enabled = true;
+ ao = audio_output_get(device);
+
+ ao->reopen_after = 0;
+ ao->enabled = true;
idle_add(IDLE_OUTPUT);
return 0;
@@ -371,10 +130,14 @@ int enableAudioDevice(unsigned int device)
int disableAudioDevice(unsigned int device)
{
- if (device >= audioOutputArraySize)
+ struct audio_output *ao;
+
+ if (device >= audio_output_count())
return -1;
- audioOutputArray[device].enabled = false;
+ ao = audio_output_get(device);
+
+ ao->enabled = false;
idle_add(IDLE_OUTPUT);
return 0;
@@ -383,10 +146,11 @@ int disableAudioDevice(unsigned int device)
bool mixer_control_setvol(unsigned int device, int volume, int rel)
{
struct audio_output *output;
- if (device >= audioOutputArraySize)
+
+ if (device >= audio_output_count())
return false;
- output = &audioOutputArray[device];
+ output = audio_output_get(device);
if (output->plugin && output->plugin->control) {
if (rel) {
int cur_volume;
@@ -408,10 +172,11 @@ bool mixer_control_setvol(unsigned int device, int volume, int rel)
bool mixer_control_getvol(unsigned int device, int *volume)
{
struct audio_output *output;
- if (device >= audioOutputArraySize)
+
+ if (device >= audio_output_count())
return false;
- output = &audioOutputArray[device];
+ output = audio_output_get(device);
if (output->plugin && output->plugin->control) {
return output->plugin->control(output->data, AC_MIXER_GETVOL, volume);
}
diff --git a/src/audio.h b/src/audio.h
index 2ccebc358..865890485 100644
--- a/src/audio.h
+++ b/src/audio.h
@@ -20,32 +20,8 @@
#define MPD_AUDIO_H
#include <stdbool.h>
-#include <stddef.h>
-
-#define AUDIO_AO_DRIVER_DEFAULT "default"
struct audio_format;
-struct tag;
-struct config_param;
-
-/**
- * Returns the total number of audio output devices, including those
- * who are disabled right now.
- */
-unsigned int audio_output_count(void);
-
-/**
- * Returns the "i"th audio output device.
- */
-struct audio_output *
-audio_output_get(unsigned i);
-
-/**
- * Returns the audio output device with the specified name. Returns
- * NULL if the name does not exist.
- */
-struct audio_output *
-audio_output_find(const char *name);
void getOutputAudioFormat(const struct audio_format *inFormat,
struct audio_format *outFormat);
@@ -57,22 +33,6 @@ void initAudioConfig(void);
void finishAudioConfig(void);
-void initAudioDriver(void);
-
-void finishAudioDriver(void);
-
-bool openAudioDevice(const struct audio_format *audioFormat);
-
-bool playAudio(const char *playChunk, size_t size);
-
-void audio_output_pause_all(void);
-
-void dropBufferedAudio(void);
-
-void closeAudioDevice(void);
-
-void sendMetadataToAudioDevice(const struct tag *tag);
-
/* these functions are called in the main parent process while the child
process is busy playing to the audio */
int enableAudioDevice(unsigned int device);
diff --git a/src/main.c b/src/main.c
index 7df773146..5dc07975e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -37,6 +37,7 @@
#include "stats.h"
#include "sig_handlers.h"
#include "audio.h"
+#include "output_all.h"
#include "volume.h"
#include "log.h"
#include "permission.h"
diff --git a/src/output_all.c b/src/output_all.c
new file mode 100644
index 000000000..dff84e04a
--- /dev/null
+++ b/src/output_all.c
@@ -0,0 +1,270 @@
+/*
+ * Copyright (C) 2003-2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "output_all.h"
+#include "output_internal.h"
+#include "output_control.h"
+
+#include <assert.h>
+
+static struct audio_format input_audio_format;
+
+static struct audio_output *audioOutputArray;
+static unsigned int audioOutputArraySize;
+
+unsigned int audio_output_count(void)
+{
+ return audioOutputArraySize;
+}
+
+struct audio_output *
+audio_output_get(unsigned i)
+{
+ assert(i < audioOutputArraySize);
+
+ return &audioOutputArray[i];
+}
+
+struct audio_output *
+audio_output_find(const char *name)
+{
+ for (unsigned i = 0; i < audioOutputArraySize; ++i) {
+ struct audio_output *ao = audio_output_get(i);
+
+ if (strcmp(ao->name, name) == 0)
+ return ao;
+ }
+
+ /* name not found */
+ return NULL;
+}
+
+static unsigned
+audio_output_config_count(void)
+{
+ unsigned int nr = 0;
+ const struct config_param *param = NULL;
+
+ while ((param = config_get_next_param(CONF_AUDIO_OUTPUT, param)))
+ nr++;
+ if (!nr)
+ nr = 1; /* we'll always have at least one device */
+ return nr;
+}
+
+/* make sure initPlayerData is called before this function!! */
+void initAudioDriver(void)
+{
+ const struct config_param *param = NULL;
+ unsigned int i;
+
+ notify_init(&audio_output_client_notify);
+
+ audioOutputArraySize = audio_output_config_count();
+ audioOutputArray = g_new(struct audio_output, audioOutputArraySize);
+
+ for (i = 0; i < audioOutputArraySize; i++)
+ {
+ struct audio_output *output = &audioOutputArray[i];
+ unsigned int j;
+
+ param = config_get_next_param(CONF_AUDIO_OUTPUT, param);
+
+ /* only allow param to be NULL if there just one audioOutput */
+ assert(param || (audioOutputArraySize == 1));
+
+ if (!audio_output_init(output, param)) {
+ if (param)
+ {
+ g_error("problems configuring output device "
+ "defined at line %i\n", param->line);
+ }
+ else
+ {
+ g_error("No audio_output specified and unable to "
+ "detect a default audio output device\n");
+ }
+ }
+
+ /* require output names to be unique: */
+ for (j = 0; j < i; j++) {
+ if (!strcmp(output->name, audioOutputArray[j].name)) {
+ g_error("output devices with identical "
+ "names: %s\n", output->name);
+ }
+ }
+ }
+}
+
+void finishAudioDriver(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < audioOutputArraySize; i++) {
+ audio_output_finish(&audioOutputArray[i]);
+ }
+
+ g_free(audioOutputArray);
+ audioOutputArray = NULL;
+ audioOutputArraySize = 0;
+
+ notify_deinit(&audio_output_client_notify);
+}
+
+static void audio_output_wait_all(void)
+{
+ unsigned i;
+
+ while (1) {
+ int finished = 1;
+
+ for (i = 0; i < audioOutputArraySize; ++i)
+ if (audio_output_is_open(&audioOutputArray[i]) &&
+ !audio_output_command_is_finished(&audioOutputArray[i]))
+ finished = 0;
+
+ if (finished)
+ break;
+
+ notify_wait(&audio_output_client_notify);
+ };
+}
+
+static void syncAudioDeviceStates(void)
+{
+ unsigned int i;
+
+ if (!audio_format_defined(&input_audio_format))
+ return;
+
+ for (i = 0; i < audioOutputArraySize; ++i)
+ audio_output_update(&audioOutputArray[i], &input_audio_format);
+}
+
+bool playAudio(const char *buffer, size_t length)
+{
+ bool ret = false;
+ unsigned int i;
+
+ assert(length > 0);
+ /* no partial frames allowed */
+ assert((length % audio_format_frame_size(&input_audio_format)) == 0);
+
+ syncAudioDeviceStates();
+
+ for (i = 0; i < audioOutputArraySize; ++i)
+ if (audio_output_is_open(&audioOutputArray[i]))
+ audio_output_play(&audioOutputArray[i],
+ buffer, length);
+
+ while (true) {
+ bool finished = true;
+
+ for (i = 0; i < audioOutputArraySize; ++i) {
+ struct audio_output *ao = &audioOutputArray[i];
+
+ if (!audio_output_is_open(ao))
+ continue;
+
+ if (audio_output_command_is_finished(ao))
+ ret = true;
+ else {
+ finished = false;
+ audio_output_signal(ao);
+ }
+ }
+
+ if (finished)
+ break;
+
+ notify_wait(&audio_output_client_notify);
+ };
+
+ return ret;
+}
+
+bool openAudioDevice(const struct audio_format *audioFormat)
+{
+ bool ret = false;
+ unsigned int i;
+
+ if (!audioOutputArray)
+ return false;
+
+ if (audioFormat != NULL)
+ input_audio_format = *audioFormat;
+
+ syncAudioDeviceStates();
+
+ for (i = 0; i < audioOutputArraySize; ++i) {
+ if (audioOutputArray[i].open)
+ ret = true;
+ }
+
+ if (!ret)
+ /* close all devices if there was an error */
+ closeAudioDevice();
+
+ return ret;
+}
+
+void audio_output_pause_all(void)
+{
+ unsigned int i;
+
+ syncAudioDeviceStates();
+
+ for (i = 0; i < audioOutputArraySize; ++i)
+ if (audio_output_is_open(&audioOutputArray[i]))
+ audio_output_pause(&audioOutputArray[i]);
+
+ audio_output_wait_all();
+}
+
+void dropBufferedAudio(void)
+{
+ unsigned int i;
+
+ syncAudioDeviceStates();
+
+ for (i = 0; i < audioOutputArraySize; ++i) {
+ if (audio_output_is_open(&audioOutputArray[i]))
+ audio_output_cancel(&audioOutputArray[i]);
+ }
+
+ audio_output_wait_all();
+}
+
+void closeAudioDevice(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < audioOutputArraySize; ++i)
+ audio_output_close(&audioOutputArray[i]);
+}
+
+void sendMetadataToAudioDevice(const struct tag *tag)
+{
+ unsigned int i;
+
+ for (i = 0; i < audioOutputArraySize; ++i)
+ if (audio_output_is_open(&audioOutputArray[i]))
+ audio_output_send_tag(&audioOutputArray[i], tag);
+
+ audio_output_wait_all();
+}
diff --git a/src/output_all.h b/src/output_all.h
new file mode 100644
index 000000000..15a1dce7d
--- /dev/null
+++ b/src/output_all.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2003-2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * Functions for dealing with all configured (enabled) audion outputs
+ * at once.
+ *
+ */
+
+#ifndef OUTPUT_ALL_H
+#define OUTPUT_ALL_H
+
+#include <stdbool.h>
+#include <stddef.h>
+
+struct audio_format;
+struct tag;
+
+/**
+ * Returns the total number of audio output devices, including those
+ * who are disabled right now.
+ */
+unsigned int audio_output_count(void);
+
+/**
+ * Returns the "i"th audio output device.
+ */
+struct audio_output *
+audio_output_get(unsigned i);
+
+/**
+ * Returns the audio output device with the specified name. Returns
+ * NULL if the name does not exist.
+ */
+struct audio_output *
+audio_output_find(const char *name);
+
+void initAudioDriver(void);
+
+void finishAudioDriver(void);
+
+bool openAudioDevice(const struct audio_format *audioFormat);
+
+bool playAudio(const char *playChunk, size_t size);
+
+void audio_output_pause_all(void);
+
+void dropBufferedAudio(void);
+
+void closeAudioDevice(void);
+
+void sendMetadataToAudioDevice(const struct tag *tag);
+
+#endif
diff --git a/src/output_print.c b/src/output_print.c
index 6b2ab1b31..ac188639a 100644
--- a/src/output_print.c
+++ b/src/output_print.c
@@ -23,7 +23,7 @@
#include "output_print.h"
#include "output_internal.h"
-#include "audio.h"
+#include "output_all.h"
#include "client.h"
void
diff --git a/src/output_state.c b/src/output_state.c
index d0a2baeff..c28fc3915 100644
--- a/src/output_state.c
+++ b/src/output_state.c
@@ -23,7 +23,7 @@
#include "output_state.h"
#include "output_internal.h"
-#include "audio.h"
+#include "output_all.h"
#include <glib.h>
diff --git a/src/player_thread.c b/src/player_thread.c
index 239fbab2d..a8f89197b 100644
--- a/src/player_thread.c
+++ b/src/player_thread.c
@@ -20,7 +20,7 @@
#include "player_control.h"
#include "decoder_control.h"
#include "decoder_thread.h"
-#include "audio.h"
+#include "output_all.h"
#include "pcm_volume.h"
#include "path.h"
#include "event_pipe.h"
diff --git a/src/volume.c b/src/volume.c
index 6f7c922c0..501791016 100644
--- a/src/volume.c
+++ b/src/volume.c
@@ -23,6 +23,7 @@
#include "pcm_volume.h"
#include "config.h"
#include "audio.h"
+#include "output_all.h"
#include <glib.h>