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Queue: move HASH_MULT and Item into the Queue class

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This commit is contained in:
Max Kellermann 2013-01-08 15:28:08 +01:00
parent d81a9029db
commit ce57b8b6df
1 changed files with 27 additions and 29 deletions
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56
src/Queue.hxx
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@ -28,35 +28,6 @@
#include <assert.h>
#include <stdint.h>
enum {
/**
* reserve max_length * QUEUE_HASH_MULT elements in the id
* number space
*/
QUEUE_HASH_MULT = 4,
};
/**
* One element of the queue: basically a song plus some queue specific
* information attached.
*/
struct queue_item {
struct song *song;
/** the unique id of this item in the queue */
unsigned id;
/** when was this item last changed? */
uint32_t version;
/**
* The priority of this item, between 0 and 255. High
* priority value means that this song gets played first in
* "random" mode.
*/
uint8_t priority;
};
/**
* A queue of songs. This is the backend of the playlist: it contains
* an ordered list of songs.
@ -68,6 +39,33 @@ struct queue_item {
* - the order number (which only differs from "position" in random mode)
*/
struct queue {
/**
* reserve max_length * QUEUE_HASH_MULT elements in the id
* number space
*/
static constexpr unsigned QUEUE_HASH_MULT = 4;
/**
* One element of the queue: basically a song plus some queue specific
* information attached.
*/
struct queue_item {
struct song *song;
/** the unique id of this item in the queue */
unsigned id;
/** when was this item last changed? */
uint32_t version;
/**
* The priority of this item, between 0 and 255. High
* priority value means that this song gets played first in
* "random" mode.
*/
uint8_t priority;
};
/** configured maximum length of the queue */
unsigned max_length;