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authorMax Kellermann <max@duempel.org>2012-02-11 19:12:02 +0100
committerMax Kellermann <max@duempel.org>2012-02-11 17:04:29 +0100
commit5d73215a8dad922c8e383f3837f3ec9e26503389 (patch)
tree8fc4b96d93a907054a05d3250f97bf4f68c6df85 /src/decoder_plugin.h
parentb7356bc526dbbd6fa00d40caff2addec10ae7c7e (diff)
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decoder_plugin: scan tags with callback table
Pass a callback table to scan_file() and scan_stream(), instead of returning a tag object.
Diffstat (limited to '')
-rw-r--r--src/decoder_plugin.h44
1 files changed, 26 insertions, 18 deletions
diff --git a/src/decoder_plugin.h b/src/decoder_plugin.h
index 0ce1af53e..933ba6751 100644
--- a/src/decoder_plugin.h
+++ b/src/decoder_plugin.h
@@ -26,6 +26,7 @@
struct config_param;
struct input_stream;
struct tag;
+struct tag_handler;
/**
* Opaque handle which the decoder plugin passes to the functions in
@@ -70,18 +71,22 @@ struct decoder_plugin {
void (*file_decode)(struct decoder *decoder, const char *path_fs);
/**
- * Read the tags of a local file.
+ * Scan metadata of a file.
*
- * @return NULL if the operation has failed
+ * @return false if the operation has failed
*/
- struct tag *(*tag_dup)(const char *path_fs);
+ bool (*scan_file)(const char *path_fs,
+ const struct tag_handler *handler,
+ void *handler_ctx);
/**
- * Read the tags of a stream.
+ * Scan metadata of a file.
*
- * @return NULL if the operation has failed
+ * @return false if the operation has failed
*/
- struct tag *(*stream_tag)(struct input_stream *is);
+ bool (*scan_stream)(struct input_stream *is,
+ const struct tag_handler *handler,
+ void *handler_ctx);
/**
* @brief Return a "virtual" filename for subtracks in
@@ -150,25 +155,28 @@ decoder_plugin_file_decode(const struct decoder_plugin *plugin,
/**
* Read the tag of a file.
*/
-static inline struct tag *
-decoder_plugin_tag_dup(const struct decoder_plugin *plugin,
- const char *path_fs)
+static inline bool
+decoder_plugin_scan_file(const struct decoder_plugin *plugin,
+ const char *path_fs,
+ const struct tag_handler *handler, void *handler_ctx)
{
- return plugin->tag_dup != NULL
- ? plugin->tag_dup(path_fs)
- : NULL;
+ return plugin->scan_file != NULL
+ ? plugin->scan_file(path_fs, handler, handler_ctx)
+ : false;
}
/**
* Read the tag of a stream.
*/
-static inline struct tag *
-decoder_plugin_stream_tag(const struct decoder_plugin *plugin,
- struct input_stream *is)
+static inline bool
+decoder_plugin_scan_stream(const struct decoder_plugin *plugin,
+ struct input_stream *is,
+ const struct tag_handler *handler,
+ void *handler_ctx)
{
- return plugin->stream_tag != NULL
- ? plugin->stream_tag(is)
- : NULL;
+ return plugin->scan_stream != NULL
+ ? plugin->scan_stream(is, handler, handler_ctx)
+ : false;
}
/**