#include <gst/gst_global.h>

#include <stdlib.h>

#include <gst/gst.h>

#include <gst/gstelement.h>

#define LOG_FILE "c:\\logs\\launch_logs.txt" 

#include "std_log_result.h" 

#define LOG_FILENAME_LINE __FILE__, __LINE__

void create_xml(int result)

{

    if(result)

    {

        assert_failed = 1;

    } 

    testResultXml(xmlfile);

    close_log_file();

    if(result)

    {

        exit (-1);

    }    

}

GstElement *pipeline, *source, *wavparse,*sink,*conv,*resample,*decoder,*audioconvert,*audioresample ;

GstBus *bus;

GMainLoop *loop;

static gboolean

bus_call (GstBus     *bus,

          GstMessage *msg,

          gpointer    data)

{

  switch (GST_MESSAGE_TYPE (msg)) {

    case GST_MESSAGE_EOS:

        gst_element_set_state (pipeline, GST_STATE_NULL);

        g_main_loop_quit(loop);

        gst_object_unref (GST_OBJECT (pipeline));

        std_log(LOG_FILENAME_LINE, "Test Successful");

        create_xml(0); 

      break;

    case GST_MESSAGE_ERROR: {

      gchar *debug;

      GError *err;

      gst_message_parse_error (msg, &err, &debug);

      g_free (debug);

      g_print ("Error: %s\n", err->message);

      g_error_free (err);

      std_log(LOG_FILENAME_LINE, "Test Failed");

      create_xml(1); 

      break;

    }

    default:

      break;

  }

  return TRUE;

}

static void

cb_newpad (GstElement *decodebin,

       GstPad     *pad,

       gboolean    last,

       gpointer    data)

{

    GstCaps *caps;

    GstStructure *str;

    GstPadLinkReturn linkret= GST_PAD_LINK_OK ;

    GstPad* sinkpad = NULL;

    /* check media type */

    caps = gst_pad_get_caps (pad);

    str = gst_caps_get_structure (caps, 0);

    if (!g_strrstr (gst_structure_get_name (str), "audio")) {

    gst_caps_unref (caps);

    return;

    }

    gst_caps_unref (caps);

//    if( link_with_devsoundsink )

//        {

        sinkpad = gst_element_get_pad( sink, "sink");

        //gst_bin_add_many (GST_BIN (pipeline),source, decoder,sink, NULL);

//        }

//    else

//        {

//        audioconvert = gst_element_factory_make ("audioconvert", "audioconvert");

//        audioresample = gst_element_factory_make ("audioresample", "audioresample");        

//        sinkpad = gst_element_get_pad( audioconvert, "sink");

//        

//        gst_bin_add_many (GST_BIN (pipeline),source, decoder,audioconvert,audioresample,sink, NULL);

//        

//        if (!gst_element_link (audioconvert,audioresample))

//           g_error ("link(audioconvert,audioresample, sink) failed!\n");   

//        if (!gst_element_link (audioresample, sink))

//           g_error ("link(audioconvert,audioresample, sink) failed!\n");         

//        }

    linkret = gst_pad_link (pad, sinkpad);

}

static gboolean

cb_get_position (GstElement* temp /*pipeline*/)

{

    GstFormat fmt = GST_FORMAT_TIME;

    gint64 pos = 0, len, time_nanoseconds, diff;

    GstState state;

    gst_element_get_state(GST_ELEMENT(pipeline),&state,NULL,-1);

    if (gst_element_query_position (pipeline, &fmt, &pos)

    && gst_element_query_duration (pipeline, &fmt, &len)) {

    g_print ("Time: %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT "\r",

    GST_TIME_ARGS (pos), GST_TIME_ARGS (len));

    }

    time_nanoseconds = pos + 1000000000;

    if (!gst_element_seek (pipeline, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,

    GST_SEEK_TYPE_SET, time_nanoseconds,

    GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) {

    g_print ("Seek failed!\n");

    }

    gst_element_get_state(GST_ELEMENT(pipeline),&state,NULL,-1);

    if (gst_element_query_position (pipeline, &fmt, &pos)

    && gst_element_query_duration (pipeline, &fmt, &len)) {

    g_print ("Time: %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT "\r",

    GST_TIME_ARGS (pos), GST_TIME_ARGS (len));

    }

    diff = pos - time_nanoseconds;

    if( diff > 1000000 )

        {

        create_xml( 1 );

        }

    /* call me again */

    return TRUE;

}

int main (int argc, char *argv[])

{

    xmlfile = "launch_logs";

    std_log(LOG_FILENAME_LINE, "Test Started launch");

    if (argc != 2) {

      g_print ("usage: %s <Test file>\n", argv[0]);

      std_log(LOG_FILENAME_LINE, "Test Failed");

      create_xml(1); 

      exit (-1);

    }

    //link_with_devsoundsink = FALSE;

    gst_init (&argc, &argv);

    loop = g_main_loop_new (NULL, FALSE);

    /* create elements */

    pipeline = gst_pipeline_new ("audio-player");

    source = gst_element_factory_make ("filesrc", "file-source");

    decoder = gst_element_factory_make ("decodebin2", "decodebin2-decoder");

    sink = gst_element_factory_make ("devsoundsink", "sink");    

//    audioconvert = gst_element_factory_make ("audioconvert", "audioconvert");

//    audioresample = gst_element_factory_make ("audioresample", "audioresample");    

//    sink = gst_element_factory_make ("devsoundsink", "sink");

    if (!pipeline || !source || !decoder || !sink) {

        g_print ("One element could not be created\n");

        return -1;

        }

    /* set filename property on the file source. Also add a message  handler. */

    g_object_set (G_OBJECT (source), "location", argv[1], NULL);

            /* put all elements in a bin */

    gst_bin_add_many (GST_BIN (pipeline),source, decoder,sink, NULL);

            /* link together - note that we cannot link the parser and  decoder yet, because the parser uses dynamic pads. For that, we set a pad-added signal handler. */

    gst_element_link (source, decoder);

    gst_bus_add_watch (gst_pipeline_get_bus (GST_PIPELINE (pipeline)), bus_call, loop);

    g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK (cb_newpad), NULL);

    g_timeout_add (1000/*in mili sec*/, (GSourceFunc) cb_get_position, NULL);

    //g_signal_connect (decoder, "pad-added", G_CALLBACK (new_pad_cb),pipeline);

            /* Now set to playing and iterate. */

    g_print ("Setting to PLAYING\n");

    gst_element_set_state (pipeline, GST_STATE_PLAYING);

    g_print ("Running\n");

    g_main_loop_run (loop);

            /* clean up nicely */

    g_print ("Returned, stopping playback\n");

    gst_element_set_state (pipeline, GST_STATE_NULL);

    g_print ("Deleting pipeline\n");

    gst_object_unref (GST_OBJECT (pipeline));

    g_print ("completed palying audio\n");

    //std_log(LOG_FILENAME_LINE, "Test Successful");

    //create_xml(0); 

    return 0;

}