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output/ao: convert to C++

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This commit is contained in:
Max Kellermann
2013-04-17 00:56:09 +02:00
parent 166569200a
commit 86c276f538
4 changed files with 88 additions and 63 deletions
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2
Makefile.am
View File

@@ -817,7 +817,7 @@ endif
if HAVE_AO
liboutput_plugins_a_SOURCES += \
src/output/ao_output_plugin.c src/output/ao_output_plugin.h
src/output/AoOutputPlugin.cxx src/output/AoOutputPlugin.hxx
endif
if HAVE_FIFO

2
src/OutputList.cxx
View File

@@ -21,7 +21,7 @@
#include "OutputList.hxx"
#include "output_api.h"
#include "output/AlsaOutputPlugin.hxx"
#include "output/ao_output_plugin.h"
#include "output/AoOutputPlugin.hxx"
#include "output/FifoOutputPlugin.hxx"
#include "output/HttpdOutputPlugin.hxx"
#include "output/JackOutputPlugin.hxx"

141
src/output/ao_output_plugin.c → src/output/AoOutputPlugin.cxx
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -18,7 +18,7 @@
*/
#include "config.h"
#include "ao_output_plugin.h"
#include "AoOutputPlugin.hxx"
#include "output_api.h"
#include <ao/ao.h>
@@ -28,18 +28,29 @@
#define G_LOG_DOMAIN "ao"
/* An ao_sample_format, with all fields set to zero: */
static const ao_sample_format OUR_AO_FORMAT_INITIALIZER;
static ao_sample_format OUR_AO_FORMAT_INITIALIZER;
static unsigned ao_output_ref;
struct ao_data {
struct AoOutput {
struct audio_output base;
size_t write_size;
int driver;
ao_option *options;
ao_device *device;
} AoData;
bool Initialize(const config_param *param, GError **error_r) {
return ao_base_init(&base, &ao_output_plugin, param,
error_r);
}
void Deinitialize() {
ao_base_finish(&base);
}
bool Configure(const config_param *param, GError **error_r);
};
static inline GQuark
ao_output_quark(void)
@@ -81,23 +92,14 @@ ao_output_error(GError **error_r)
"%s", error);
}
static struct audio_output *
ao_output_init(const struct config_param *param,
GError **error)
inline bool
AoOutput::Configure(const config_param *param, GError **error_r)
{
struct ao_data *ad = g_new(struct ao_data, 1);
if (!ao_base_init(&ad->base, &ao_output_plugin, param, error)) {
g_free(ad);
return NULL;
}
ao_info *ai;
const char *value;
ad->options = NULL;
options = nullptr;
ad->write_size = config_get_block_unsigned(param, "write_size", 1024);
write_size = config_get_block_unsigned(param, "write_size", 1024);
if (ao_output_ref == 0) {
ao_initialize();
@@ -106,53 +108,67 @@ ao_output_init(const struct config_param *param,
value = config_get_block_string(param, "driver", "default");
if (0 == strcmp(value, "default"))
ad->driver = ao_default_driver_id();
driver = ao_default_driver_id();
else
ad->driver = ao_driver_id(value);
driver = ao_driver_id(value);
if (ad->driver < 0) {
g_set_error(error, ao_output_quark(), 0,
if (driver < 0) {
g_set_error(error_r, ao_output_quark(), 0,
"\"%s\" is not a valid ao driver",
value);
ao_base_finish(&ad->base);
g_free(ad);
return NULL;
return false;
}
if ((ai = ao_driver_info(ad->driver)) == NULL) {
g_set_error(error, ao_output_quark(), 0,
ao_info *ai = ao_driver_info(driver);
if (ai == nullptr) {
g_set_error(error_r, ao_output_quark(), 0,
"problems getting driver info");
ao_base_finish(&ad->base);
g_free(ad);
return NULL;
return false;
}
g_debug("using ao driver \"%s\" for \"%s\"\n", ai->short_name,
config_get_block_string(param, "name", NULL));
config_get_block_string(param, "name", nullptr));
value = config_get_block_string(param, "options", NULL);
if (value != NULL) {
gchar **options = g_strsplit(value, ";", 0);
value = config_get_block_string(param, "options", nullptr);
if (value != nullptr) {
gchar **_options = g_strsplit(value, ";", 0);
for (unsigned i = 0; options[i] != NULL; ++i) {
gchar **key_value = g_strsplit(options[i], "=", 2);
for (unsigned i = 0; _options[i] != nullptr; ++i) {
gchar **key_value = g_strsplit(_options[i], "=", 2);
if (key_value[0] == NULL || key_value[1] == NULL) {
g_set_error(error, ao_output_quark(), 0,
if (key_value[0] == nullptr || key_value[1] == nullptr) {
g_set_error(error_r, ao_output_quark(), 0,
"problems parsing options \"%s\"",
options[i]);
ao_base_finish(&ad->base);
g_free(ad);
return NULL;
_options[i]);
return false;
}
ao_append_option(&ad->options, key_value[0],
ao_append_option(&options, key_value[0],
key_value[1]);
g_strfreev(key_value);
}
g_strfreev(options);
g_strfreev(_options);
}
return true;
}
static struct audio_output *
ao_output_init(const config_param *param, GError **error_r)
{
AoOutput *ad = new AoOutput();
if (!ad->Initialize(param, error_r)) {
delete ad;
return nullptr;
}
if (!ad->Configure(param, error_r)) {
ad->Deinitialize();
delete ad;
return nullptr;
}
return &ad->base;
@@ -161,11 +177,11 @@ ao_output_init(const struct config_param *param,
static void
ao_output_finish(struct audio_output *ao)
{
struct ao_data *ad = (struct ao_data *)ao;
AoOutput *ad = (AoOutput *)ao;
ao_free_options(ad->options);
ao_base_finish(&ad->base);
g_free(ad);
ad->Deinitialize();
delete ad;
ao_output_ref--;
@@ -176,7 +192,7 @@ ao_output_finish(struct audio_output *ao)
static void
ao_output_close(struct audio_output *ao)
{
struct ao_data *ad = (struct ao_data *)ao;
AoOutput *ad = (AoOutput *)ao;
ao_close(ad->device);
}
@@ -186,7 +202,7 @@ ao_output_open(struct audio_output *ao, struct audio_format *audio_format,
GError **error)
{
ao_sample_format format = OUR_AO_FORMAT_INITIALIZER;
struct ao_data *ad = (struct ao_data *)ao;
AoOutput *ad = (AoOutput *)ao;
switch (audio_format->format) {
case SAMPLE_FORMAT_S8:
@@ -212,7 +228,7 @@ ao_output_open(struct audio_output *ao, struct audio_format *audio_format,
ad->device = ao_open_live(ad->driver, &format, ad->options);
if (ad->device == NULL) {
if (ad->device == nullptr) {
ao_output_error(error);
return false;
}
@@ -230,7 +246,7 @@ static int ao_play_deconst(ao_device *device, const void *output_samples,
{
union {
const void *in;
void *out;
char *out;
} u;
u.in = output_samples;
@@ -241,7 +257,7 @@ static size_t
ao_output_play(struct audio_output *ao, const void *chunk, size_t size,
GError **error)
{
struct ao_data *ad = (struct ao_data *)ao;
AoOutput *ad = (AoOutput *)ao;
if (size > ad->write_size)
size = ad->write_size;
@@ -255,10 +271,19 @@ ao_output_play(struct audio_output *ao, const void *chunk, size_t size,
}
const struct audio_output_plugin ao_output_plugin = {
.name = "ao",
.init = ao_output_init,
.finish = ao_output_finish,
.open = ao_output_open,
.close = ao_output_close,
.play = ao_output_play,
"ao",
nullptr,
ao_output_init,
ao_output_finish,
nullptr,
nullptr,
ao_output_open,
ao_output_close,
nullptr,
nullptr,
ao_output_play,
nullptr,
nullptr,
nullptr,
nullptr,
};

6
src/output/ao_output_plugin.h → src/output/AoOutputPlugin.hxx
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -17,8 +17,8 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_AO_OUTPUT_PLUGIN_H
#define MPD_AO_OUTPUT_PLUGIN_H
#ifndef MPD_AO_OUTPUT_PLUGIN_HXX
#define MPD_AO_OUTPUT_PLUGIN_HXX
extern const struct audio_output_plugin ao_output_plugin;