+
+/**
+ * \defgroup statistics Statistics
+ *
+ * @{
+ */
+
+/****************************
+ * Generic stats stuff
+ ****************************/
+enum
+{
+ STATS_LAST,
+ STATS_COUNTER,
+ STATS_MAX,
+ STATS_MIN,
+ STATS_DERIVATIVE,
+ STATS_TIMER
+};
+
+struct counter_sample_t
+{
+ vlc_value_t value;
+ mtime_t date;
+};
+
+struct counter_t
+{
+ char * psz_name;
+ int i_source_object;
+ int i_compute_type;
+ int i_type;
+ int i_samples;
+ counter_sample_t ** pp_samples;
+
+ mtime_t update_interval;
+ mtime_t last_update;
+};
+
+struct stats_handler_t
+{
+ VLC_COMMON_MEMBERS
+
+ int i_counters;
+ hashtable_entry_t * p_counters;
+};
+
+VLC_EXPORT( void, stats_HandlerDestroy, (stats_handler_t*) );
+
+#define stats_Update( a,b,c, d) __stats_Update( VLC_OBJECT( a ), b, c, d )
+VLC_EXPORT( int, __stats_Update, (vlc_object_t*, const char *, vlc_value_t, vlc_value_t *) );
+#define stats_Create( a,b,c,d ) __stats_Create( VLC_OBJECT(a), b, c, d )
+VLC_EXPORT( int, __stats_Create, (vlc_object_t*, const char *, int, int) );
+#define stats_Get( a,b,c,d ) __stats_Create( VLC_OBJECT(a), b, c, d )
+VLC_EXPORT( int, __stats_Get, (vlc_object_t*, int, const char *, vlc_value_t*) );
+#define stats_CounterGet( a,b,c) __stats_CounterGet( VLC_OBJECT(a), b, c )
+VLC_EXPORT( counter_t*, __stats_CounterGet, (vlc_object_t*, int, const char * ) );
+
+#define stats_GetInteger( a,b,c,d ) __stats_GetInteger( VLC_OBJECT(a), b, c, d )
+static inline int __stats_GetInteger( vlc_object_t *p_obj, int i_id,
+ const char *psz_name, int *value )
+{
+ vlc_value_t val;
+ int i_ret = __stats_Get( p_obj, i_id, psz_name, &val );
+ *value = val.i_int;
+ return i_ret;
+}
+
+#define stats_GetFloat(a,b,c,d ) __stats_GetFloat( VLC_OBJECT(a), b, c, d )
+static inline int __stats_GetFloat( vlc_object_t *p_obj, int i_id,
+ const char *psz_name, float *value )
+{
+ vlc_value_t val;
+ int i_ret = __stats_Get( p_obj, i_id, psz_name, &val );
+ *value = val.f_float;
+ return i_ret;
+}
+#define stats_UpdateInteger( a,b,c,d ) __stats_UpdateInteger( VLC_OBJECT(a),b,c,d )
+static inline int __stats_UpdateInteger( vlc_object_t *p_obj,
+ const char *psz_name, int i, int *pi_new )
+{
+ int i_ret;
+ vlc_value_t val;
+ vlc_value_t new_val;
+ val.i_int = i;
+ i_ret = __stats_Update( p_obj, psz_name, val , &new_val );
+ if( pi_new )
+ *pi_new = new_val.i_int;
+ return i_ret;
+}
+#define stats_UpdateFloat( a,b,c,d ) __stats_UpdateFloat( VLC_OBJECT(a),b,c,d )
+static inline int __stats_UpdateFloat( vlc_object_t *p_obj,
+ const char *psz_name, float f, float *pf_new )
+{
+ vlc_value_t val;
+ int i_ret;
+ vlc_value_t new_val;
+ val.f_float = f;
+ i_ret = __stats_Update( p_obj, psz_name, val, &new_val );
+ if( pf_new )
+ *pf_new = new_val.f_float;
+ return i_ret;
+}
+
+/******************
+ * Input stats
+ ******************/
+struct input_stats_t
+{
+
+ vlc_mutex_t lock;
+
+ /* Input */
+ int i_read_packets;
+ int i_read_bytes;
+ float f_input_bitrate;
+ float f_average_input_bitrate;
+
+ /* Demux */
+ int i_demux_read_packets;
+ int i_demux_read_bytes;
+ float f_demux_bitrate;
+ float f_average_demux_bitrate;
+
+ /* Decoders */
+ int i_decoded_audio;
+ int i_decoded_video;
+
+ /* Vout */
+ int i_displayed_pictures;
+ int i_lost_pictures;
+
+ /* Sout */
+ int i_sent_packets;
+ int i_sent_bytes;
+ float f_send_bitrate;
+
+ /* Aout */
+ int i_played_abuffers;
+ int i_lost_abuffers;
+};
+
+VLC_EXPORT( void, stats_ComputeInputStats, (input_thread_t*, input_stats_t*) );
+VLC_EXPORT( void, stats_ReinitInputStats, (input_stats_t *) );
+VLC_EXPORT( void, stats_DumpInputStats, (input_stats_t *) );
+
+/********************
+ * Global stats
+ *******************/
+struct global_stats_t
+{
+ vlc_mutex_t lock;
+
+ float f_input_bitrate;
+ float f_demux_bitrate;
+ float f_output_bitrate;
+
+ int i_http_clients;
+};
+
+#define stats_ComputeGlobalStats( a,b) __stats_ComputeGlobalStats( VLC_OBJECT(a),b)
+VLC_EXPORT( void, __stats_ComputeGlobalStats, (vlc_object_t*,global_stats_t*));
+
+
+/*********
+ * Timing
+ ********/
+#ifdef DEBUG
+#define stats_TimerStart(a,b) __stats_TimerStart( VLC_OBJECT(a), b )
+#define stats_TimerStop(a,b) __stats_TimerStop( VLC_OBJECT(a), b )
+#define stats_TimerDump(a,b) __stats_TimerDump( VLC_OBJECT(a), b )
+#define stats_TimersDumpAll(a) __stats_TimersDumpAll( VLC_OBJECT(a) )
+#else
+#define stats_TimerStart(a,b) {}
+#define stats_TimerStop(a,b) {}
+#define stats_TimerDump(a,b) {}
+#define stats_TimersDumpAll(a) {}
+#endif
+VLC_EXPORT( void,__stats_TimerStart, (vlc_object_t*, const char *) );
+VLC_EXPORT( void,__stats_TimerStop, (vlc_object_t*, const char *) );
+VLC_EXPORT( void,__stats_TimerDump, (vlc_object_t*, const char *) );
+VLC_EXPORT( void,__stats_TimersDumpAll, (vlc_object_t*) );