statistics.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: statistics.cpp,v 1.6.2.4 2004/10/18 18:53:31 rggammon Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 * 
 * The contents of this file, and the files included with this file,
 * are subject to the current version of the RealNetworks Public
 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
 * RealNetworks.  You may not use this file except in compliance with
 * the RPSL or, if you have a valid RCSL with RealNetworks applicable
 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
 * the rights, obligations and limitations governing use of the
 * contents of the file.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the
 * portions it created.
 * 
 * This file, and the files included with this file, is distributed
 * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
 * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
 * ENJOYMENT OR NON-INFRINGEMENT.
 * 
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 * 
 * Contributor(s):
 * 
 * ***** END LICENSE BLOCK ***** */

#include "hxcom.h"
#include "hxwintyp.h"
#include "hxcore.h"

#include "statistics.h"
#include "commonapp.h"
#include "hxstatisticsobserver.h"
#include "hxplayer-i18n.h"
#include "hxbandwidthgraph.h"

#include <gtk/gtk.h>

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#define STATISTICS_UPDATE_INTERVAL 1000 /* in ms */

extern "C"
{
GtkWidget* hsd_create_bandwidth_graph(gchar *widget_name,
                                      gchar *string1,
                                      gchar *string2,
                                      gint int1,
                                      gint int2);

void hsd_stream_combo_changed(GtkEntry* entry);
}

/* Per-player statistics */
enum
{
    STATISTIC_UI_CLIP_BANDWIDTH = 0,
    STATISTIC_UI_CURRENT_BANDWIDTH,
    STATISTIC_UI_MIN_BANDWIDTH,
    STATISTIC_UI_MAX_BANDWIDTH,
    STATISTIC_UI_AVERAGE_BANDWIDTH,
    STATISTIC_UI_RECEIVED,
    STATISTIC_UI_RECEIVED_PERCENT,
    STATISTIC_UI_RECOVERED,
    STATISTIC_UI_RECOVERED_PERCENT,
    STATISTIC_UI_TOTAL_RECEIVED,
    STATISTIC_UI_TOTAL_RECEIVED_PERCENT,
    STATISTIC_UI_LOST,
    STATISTIC_UI_LOST_PERCENT,
    STATISTIC_UI_LATE,
    STATISTIC_UI_LATE_PERCENT,
    STATISTIC_UI_TOTAL_MISSED,
    STATISTIC_UI_TOTAL_MISSED_PERCENT,
    STATISTIC_UI_RESEND_REQUESTED,
    STATISTIC_UI_RESEND_RECEIVED,
    STATISTIC_UI_LOW_LATENCY,
    STATISTIC_UI_AVERAGE_LATENCY,
    STATISTIC_UI_HIGH_LATENCY,
    STATISTIC_UI_LOST30,               
    STATISTIC_UI_LOST30_PERCENT,

    STATISTIC_UI_COUNT
};

/* Per-source statistics */
enum
{
    STATISTIC_UI_SOURCE_SERVER_INFO = 0,
    STATISTIC_UI_SOURCE_RENDERER_CODEC_NAME,
    STATISTIC_UI_SOURCE_CLIP_BANDWIDTH,
    STATISTIC_UI_SOURCE_TRANSPORT_MODE,
    STATISTIC_UI_SOURCE_RENDERER_CODEC_RATE,
    STATISTIC_UI_SOURCE_RENDERER_FRAMES_DISPLAYED,
    STATISTIC_UI_SOURCE_RENDERER_CURRENT_FRAME_RATE,
    STATISTIC_UI_SOURCE_RENDERER_FRAMES_LOST,
    STATISTIC_UI_SOURCE_RENDERER_POST_FILTER,
    STATISTIC_UI_SOURCE_RENDERER_FRAMES_DROPPED,   

    /* These stats aren't reported in the other players: 
       Duplicate
       Normal
       Total30
       BufferingMode
       OutOfOrder
    */
        
    STATISTIC_UI_SOURCE_COUNT
};

typedef struct _HXStatisticsDialog
{
    GtkLabel* main  [STATISTIC_UI_COUNT];
    GtkLabel* source[STATISTIC_UI_SOURCE_COUNT];
    GladeXML* xml;
    HXPlayer* player;
    HXBandwidthGraph* bandwidth_graph;
    
    /* These are updated by statistics observers */
    gint max_bandwidth;
    gint min_bandwidth;

    gboolean max_bandwidth_is_set;
    gboolean min_bandwidth_is_set;

    HXStatisticsObserver* bandwidth_observer;
    HXStatisticsObserver* advanced_observer;

    GtkCombo* streams_combo;

    gint source_count;
    GArray* stream_counts_array;

    gint current_source;
    gint current_stream;
    
    gint clip_bandwidth_handler;
    gint play_handler;
    guint timer_id;

} HXStatisticsDialog;

static void
update_bandwidth(HXStatisticsDialog* info, GValue* value)
{
    gint bandwidth;

    bandwidth = g_value_get_int(value);

    if(bandwidth < info->min_bandwidth || !info->min_bandwidth_is_set)
    {
        info->min_bandwidth_is_set = TRUE;
        info->min_bandwidth = bandwidth;
    }

    if(bandwidth > info->max_bandwidth || !info->max_bandwidth_is_set)
    {
        info->max_bandwidth_is_set = TRUE;
        info->max_bandwidth = bandwidth;        
    }

    if(info->bandwidth_graph)
    {
        hx_bandwidth_graph_add_value(info->bandwidth_graph, bandwidth);        
    }
}


static void
hsd_update_bandwidth(GObject*     /* observer */,
                     const gchar* /* key */,
                     GValue*      value,
                     gpointer     data)
{
    HXStatisticsDialog* info;

    info = (HXStatisticsDialog*) data;

    update_bandwidth(info, value);
}

static void
hsd_play(HXStatisticsDialog* info)
{
    gboolean result;
    GValue value;
    memset(&value, 0, sizeof(value));
    
    info->min_bandwidth_is_set = FALSE;
    info->max_bandwidth_is_set = FALSE;

    result = hx_player_get_statistic(info->player, "CurrentBandwidth", &value);
    if(result)
    {
        update_bandwidth(info, &value);
        g_value_unset(&value);
    }
}

static gboolean
get_statistic_dialog_info(GladeXML* xml, HXPlayer* player, HXStatisticsDialog* info)
{
    guint i;
    
    info->player = player;
    info->xml = xml;

    info->streams_combo = GTK_COMBO(glade_xml_get_widget (info->xml, "hsd_stream_combo"));
    info->bandwidth_graph = HX_BANDWIDTH_GRAPH(glade_xml_get_widget (info->xml, "hsd_bandwidth_graph"));

    g_return_val_if_fail(info->streams_combo &&
                         info->bandwidth_graph,
                         FALSE);
    
    info->stream_counts_array = g_array_new(TRUE, TRUE, sizeof(guint));
        
    info->main[STATISTIC_UI_CLIP_BANDWIDTH   ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_clip_bandwidth"));
    info->main[STATISTIC_UI_CURRENT_BANDWIDTH] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_current_bandwidth"));
    info->main[STATISTIC_UI_MIN_BANDWIDTH    ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_min_bandwidth"));
    info->main[STATISTIC_UI_MAX_BANDWIDTH    ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_max_bandwidth"));
    info->main[STATISTIC_UI_AVERAGE_BANDWIDTH] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_average_bandwidth"));
    info->main[STATISTIC_UI_RECEIVED         ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_received"));         
    info->main[STATISTIC_UI_RECEIVED_PERCENT ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_received_percent"));         
    info->main[STATISTIC_UI_RECOVERED        ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_recovered"));
    info->main[STATISTIC_UI_RECOVERED_PERCENT] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_recovered_percent"));
    info->main[STATISTIC_UI_TOTAL_RECEIVED   ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_total_received"));
    info->main[STATISTIC_UI_TOTAL_RECEIVED_PERCENT] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_total_received_percent"));
    info->main[STATISTIC_UI_LOST             ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_lost"));
    info->main[STATISTIC_UI_LOST_PERCENT     ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_lost_percent"));
    info->main[STATISTIC_UI_LATE             ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_late"));
    info->main[STATISTIC_UI_LATE_PERCENT     ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_late_percent"));
    info->main[STATISTIC_UI_TOTAL_MISSED     ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_total_missed"));
    info->main[STATISTIC_UI_TOTAL_MISSED_PERCENT] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_total_missed_percent"));
    info->main[STATISTIC_UI_RESEND_REQUESTED ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_resend_requested"));
    info->main[STATISTIC_UI_RESEND_RECEIVED  ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_resend_received"));   
    info->main[STATISTIC_UI_LOW_LATENCY      ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_low_latency"));       
    info->main[STATISTIC_UI_AVERAGE_LATENCY  ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_average_latency"));   
    info->main[STATISTIC_UI_HIGH_LATENCY     ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_high_latency"));   
    info->main[STATISTIC_UI_LOST30           ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_lost_30"));
    info->main[STATISTIC_UI_LOST30_PERCENT   ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_lost_30_percent"));
                                              
    info->source[STATISTIC_UI_SOURCE_SERVER_INFO                ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_server_info"));
    info->source[STATISTIC_UI_SOURCE_RENDERER_CODEC_NAME        ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_renderer_codec_name"));
    info->source[STATISTIC_UI_SOURCE_CLIP_BANDWIDTH             ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_clip_bandwidth"));
    info->source[STATISTIC_UI_SOURCE_TRANSPORT_MODE             ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_transport_mode"));
    info->source[STATISTIC_UI_SOURCE_RENDERER_CODEC_RATE        ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_renderer_codec_frame_rate"));
    info->source[STATISTIC_UI_SOURCE_RENDERER_FRAMES_DISPLAYED  ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_renderer_frames_displayed"));
    info->source[STATISTIC_UI_SOURCE_RENDERER_CURRENT_FRAME_RATE] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_renderer_current_frame_rate"));
    info->source[STATISTIC_UI_SOURCE_RENDERER_FRAMES_LOST       ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_renderer_frames_lost"));
    info->source[STATISTIC_UI_SOURCE_RENDERER_POST_FILTER       ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_renderer_post_filter"));
    info->source[STATISTIC_UI_SOURCE_RENDERER_FRAMES_DROPPED    ] = GTK_LABEL(glade_xml_get_widget (info->xml, "hsd_source_renderer_frames_dropped"));

    for(i = 0; i < STATISTIC_UI_COUNT; i++)
    {
        g_return_val_if_fail(info->main[i], FALSE);
    }
    
    for(i = 0; i < STATISTIC_UI_SOURCE_COUNT; i++)
    {        
        g_return_val_if_fail(info->source[i], FALSE);
    }

    return TRUE;
}

GtkWidget*
hsd_create_bandwidth_graph(gchar*,
                           gchar*,
                           gchar*,
                           gint,
                           gint)
{
    GtkWidget* bandwidth_graph;

    bandwidth_graph = hx_bandwidth_graph_new();
    
    return bandwidth_graph;
}

static void
update_source_stream_count(HXPlayer* player,
                           gint*  sources_count_ptr,
                           GArray** stream_counts_ptr,
                           gboolean* changed_ptr)
{
    gint source = 0;
    gint stream = 0;
    gchar* stream_id;
    gboolean result;
    GValue value;

    memset(&value, 0, sizeof(value));
        
    for(source = 0; ; source++)
    {        
        for(stream = 0; ; stream++)
        {
            stream_id = g_strdup_printf("Source%d.Stream%d", source, stream);

#if 0            
            result = hx_player_get_statistic(player, stream_id, &value);
#else
            // XXXRGG: Hack! Can't check for composite statistics right now, so
            // append Total, a randomly chosen child that should exist
            gchar stream_id_non_composite_hack[256];
            snprintf(stream_id_non_composite_hack,
                     sizeof(stream_id_non_composite_hack),
                     "%s.Total",
                     stream_id);

            result = hx_player_get_statistic(player,
                                             stream_id_non_composite_hack,
                                             &value);
#endif
            g_free(stream_id);
            
            if(result)
            {
                guint sources_count = source + 1;
                g_value_unset(&value);

                if((source + 1) > *sources_count_ptr)
                {
                    *sources_count_ptr = sources_count;
                    *changed_ptr = TRUE;
                }
            }
            else
            {
                guint stream_count = stream;
                guint old_stream_count = g_array_index(*stream_counts_ptr,
                                                       guint,
                                                       source);                
                if(stream_count != old_stream_count)
                {
                    *changed_ptr = TRUE;
                    g_array_insert_val(*stream_counts_ptr, source, stream);
                }

                break;
            }
        }

        if(!result && stream == 0)
        {
            break;
        }
    }
}

static void
update_statistics(HXStatisticsDialog* info)
{
    gboolean result;
    GValue value;
    gint val;
    const gchar* str_val;
    gchar* formatted_str;
    memset(&value, 0, sizeof(value));
    gint total = 0;
    gint received = 0;
    gint recovered = 0;
    gint lost = 0;
    gint late = 0;
    gint total30 = 0;
    gint lost30 = 0;
    gboolean total_is_set = FALSE;
    gboolean received_is_set = FALSE;
    gboolean recovered_is_set = FALSE;
    gboolean lost_is_set = FALSE;
    gboolean late_is_set = FALSE;
    gboolean total30_is_set = FALSE;
    gboolean lost30_is_set = FALSE;
    GString* stream_prop = NULL;
    gboolean streams_combo_dirty = FALSE;

    hx_bandwidth_graph_update(info->bandwidth_graph);

    update_source_stream_count(info->player,
                               &info->source_count,
                               &info->stream_counts_array,
                               &streams_combo_dirty);
    
    /* Build streams combo */
    if(streams_combo_dirty)
    {