XMMS2
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00001 /* XMMS2 - X Music Multiplexer System 00002 * Copyright (C) 2003-2011 XMMS2 Team 00003 * 00004 * PLUGINS ARE NOT CONSIDERED TO BE DERIVED WORK !!! 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * This library is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 */ 00016 00017 #ifndef __VISUALIZATION_COMMON_H__ 00018 #define __VISUALIZATION_COMMON_H__ 00019 00020 #include <glib.h> 00021 00022 #include "xmmspriv/xmms_log.h" 00023 #include "xmmspriv/xmms_visualization.h" 00024 #include "xmmsc/xmmsc_visualization.h" 00025 00026 /** 00027 * The structures for a vis client 00028 */ 00029 00030 typedef struct { 00031 union { 00032 xmmsc_vis_unixshm_t shm; 00033 xmmsc_vis_udp_t udp; 00034 } transport; 00035 xmmsc_vis_transport_t type; 00036 unsigned short format; 00037 xmmsc_vis_properties_t prop; 00038 } xmms_vis_client_t; 00039 00040 /* provided by object.c */ 00041 xmms_vis_client_t *get_client (int32_t id); 00042 void delete_client (int32_t id); 00043 void send_data (int channels, int size, int16_t *buf); 00044 00045 /* provided by unixshm.c / dummy.c */ 00046 int32_t init_shm (xmms_visualization_t *vis, int32_t id, int32_t shmid, xmms_error_t *err); 00047 void cleanup_shm (xmmsc_vis_unixshm_t *t); 00048 gboolean write_start_shm (int32_t id, xmmsc_vis_unixshm_t *t, xmmsc_vischunk_t **dest); 00049 void write_finish_shm (int32_t id, xmmsc_vis_unixshm_t *t, xmmsc_vischunk_t *dest); 00050 00051 gboolean write_shm (xmmsc_vis_unixshm_t *t, xmms_vis_client_t *c, int32_t id, struct timeval *time, int channels, int size, short *buf); 00052 00053 /* provided by udp.c */ 00054 int32_t init_udp (xmms_visualization_t *vis, int32_t id, xmms_error_t *err); 00055 void cleanup_udp (xmmsc_vis_udp_t *t, xmms_socket_t socket); 00056 gboolean write_udp (xmmsc_vis_udp_t *t, xmms_vis_client_t *c, int32_t id, struct timeval *time, int channels, int size, short *buf, int socket); 00057 00058 /* provided by format.c */ 00059 void fft_init (void); 00060 short fill_buffer (int16_t *dest, xmmsc_vis_properties_t* prop, int channels, int size, short *src); 00061 00062 /* never call a fetch without a guaranteed release following! */ 00063 #define x_fetch_client(id) \ 00064 g_mutex_lock (vis->clientlock); \ 00065 c = get_client (id); \ 00066 if (!c) { \ 00067 xmms_error_set (err, XMMS_ERROR_INVAL, "invalid server-side identifier provided"); \ 00068 g_mutex_unlock (vis->clientlock); \ 00069 return -1; \ 00070 } 00071 #define x_release_client() \ 00072 g_mutex_unlock (vis->clientlock); 00073 00074 /** 00075 * The structures for the vis module 00076 */ 00077 00078 struct xmms_visualization_St { 00079 xmms_object_t object; 00080 xmms_output_t *output; 00081 xmms_socket_t socket; 00082 GIOChannel *socketio; 00083 00084 GMutex *clientlock; 00085 int32_t clientc; 00086 xmms_vis_client_t **clientv; 00087 }; 00088 00089 #endif