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-rw-r--r--src/input_stream.c143
1 files changed, 36 insertions, 107 deletions
diff --git a/src/input_stream.c b/src/input_stream.c
index 6a1b5841b..96c692176 100644
--- a/src/input_stream.c
+++ b/src/input_stream.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
@@ -17,137 +17,64 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "input_plugin.h"
#include "config.h"
-#include "conf.h"
-
-#include "input/file_input_plugin.h"
+#include "input_stream.h"
+#include "input_registry.h"
+#include "input_plugin.h"
#include "input/rewind_input_plugin.h"
-#ifdef ENABLE_ARCHIVE
-#include "input/archive_input_plugin.h"
-#endif
-
-#ifdef HAVE_CURL
-#include "input/curl_input_plugin.h"
-#endif
-
-#include "input/lastfm_input_plugin.h"
-
-#ifdef ENABLE_MMS
-#include "input/mms_input_plugin.h"
-#endif
-
#include <glib.h>
#include <assert.h>
-#include <string.h>
-
-static const struct input_plugin *const input_plugins[] = {
- &input_plugin_file,
-#ifdef ENABLE_ARCHIVE
- &input_plugin_archive,
-#endif
-#ifdef HAVE_CURL
- &input_plugin_curl,
-#endif
-#ifdef ENABLE_LASTFM
- &lastfm_input_plugin,
-#endif
-#ifdef ENABLE_MMS
- &input_plugin_mms,
-#endif
-};
-
-static bool input_plugins_enabled[G_N_ELEMENTS(input_plugins)];
-
-static const unsigned num_input_plugins =
- sizeof(input_plugins) / sizeof(input_plugins[0]);
-
-/**
- * Find the "input" configuration block for the specified plugin.
- *
- * @param plugin_name the name of the input plugin
- * @return the configuration block, or NULL if none was configured
- */
-static const struct config_param *
-input_plugin_config(const char *plugin_name)
-{
- const struct config_param *param = NULL;
-
- while ((param = config_get_next_param(CONF_INPUT, param)) != NULL) {
- const char *name =
- config_get_block_string(param, "plugin", NULL);
- if (name == NULL)
- g_error("input configuration without 'plugin' name in line %d",
- param->line);
-
- if (strcmp(name, plugin_name) == 0)
- return param;
- }
-
- return NULL;
-}
-void input_stream_global_init(void)
+static inline GQuark
+input_quark(void)
{
- for (unsigned i = 0; i < num_input_plugins; ++i) {
- const struct input_plugin *plugin = input_plugins[i];
- const struct config_param *param =
- input_plugin_config(plugin->name);
-
- if (!config_get_block_bool(param, "enabled", true))
- /* the plugin is disabled in mpd.conf */
- continue;
-
- if (plugin->init == NULL || plugin->init(param))
- input_plugins_enabled[i] = true;
- }
+ return g_quark_from_static_string("input");
}
-void input_stream_global_finish(void)
+struct input_stream *
+input_stream_open(const char *url, GError **error_r)
{
- for (unsigned i = 0; i < num_input_plugins; ++i)
- if (input_plugins_enabled[i] &&
- input_plugins[i]->finish != NULL)
- input_plugins[i]->finish();
-}
+ GError *error = NULL;
-bool
-input_stream_open(struct input_stream *is, const char *url)
-{
- is->seekable = false;
- is->ready = false;
- is->offset = 0;
- is->size = -1;
- is->error = 0;
- is->mime = NULL;
-
- for (unsigned i = 0; i < num_input_plugins; ++i) {
+ assert(error_r == NULL || *error_r == NULL);
+
+ for (unsigned i = 0; input_plugins[i] != NULL; ++i) {
const struct input_plugin *plugin = input_plugins[i];
+ struct input_stream *is;
+
+ if (!input_plugins_enabled[i])
+ continue;
- if (input_plugins_enabled[i] && plugin->open(is, url)) {
+ is = plugin->open(url, &error);
+ if (is != NULL) {
assert(is->plugin != NULL);
assert(is->plugin->close != NULL);
assert(is->plugin->read != NULL);
assert(is->plugin->eof != NULL);
assert(!is->seekable || is->plugin->seek != NULL);
- input_rewind_open(is);
+ is = input_rewind_open(is);
- return true;
+ return is;
+ } else if (error != NULL) {
+ g_propagate_error(error_r, error);
+ return NULL;
}
}
+ g_set_error(error_r, input_quark(), 0, "Unrecognized URI");
return false;
}
bool
-input_stream_seek(struct input_stream *is, off_t offset, int whence)
+input_stream_seek(struct input_stream *is, goffset offset, int whence,
+ GError **error_r)
{
if (is->plugin->seek == NULL)
return false;
- return is->plugin->seek(is, offset, whence);
+ return is->plugin->seek(is, offset, whence, error_r);
}
struct tag *
@@ -161,19 +88,20 @@ input_stream_tag(struct input_stream *is)
}
size_t
-input_stream_read(struct input_stream *is, void *ptr, size_t size)
+input_stream_read(struct input_stream *is, void *ptr, size_t size,
+ GError **error_r)
{
assert(ptr != NULL);
assert(size > 0);
- return is->plugin->read(is, ptr, size);
+ return is->plugin->read(is, ptr, size, error_r);
}
void input_stream_close(struct input_stream *is)
{
- is->plugin->close(is);
-
g_free(is->mime);
+
+ is->plugin->close(is);
}
bool input_stream_eof(struct input_stream *is)
@@ -181,10 +109,11 @@ bool input_stream_eof(struct input_stream *is)
return is->plugin->eof(is);
}
-int input_stream_buffer(struct input_stream *is)
+int
+input_stream_buffer(struct input_stream *is, GError **error_r)
{
if (is->plugin->buffer == NULL)
return 0;
- return is->plugin->buffer(is);
+ return is->plugin->buffer(is, error_r);
}