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gstvideo.cpp
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gstvideo.cpp
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#include "gstvideo.h"
guintptr gstvideo::cam_window_handle;
static GstElement *pipeline;
static GstElement *curr ;
static GstPad *blockpad;
static GstElement *conv_before;
static GstElement *conv_after;
static GstPad *binpad;
static GstElement *queue1;
static GstElement *queue2;
static GstElement *queue3;
static GstElement *queue4;
static GstElement *queue5;
static GstElement *queue6;
static GstElement *queue7;
static GstElement *queue8;
static GstElement *queue9;
static GstElement *vdecoder;
static int effect=0;
gstvideo::gstvideo(QWidget *parent) :
QWidget(parent),
ui(new Ui::gstvideo)
{
ui->setupUi(this);
ui->slider1->setRange(-100,100);//contrast 0 -> 2. default=1
this->setWindowTitle("BitRiver");
ui->slider1->setTickPosition(QSlider::TicksAbove);
ui->slider2->setRange(-100,100);//brightness -1 -> 1. default=0
ui->slider2->setTickPosition(QSlider::TicksAbove);
ui->slider3->setRange(-100,100);//saturation 0 -> 2. default=1
ui->slider3->setTickPosition(QSlider::TicksAbove);
ui->slider4->setRange(-100,100);//hue -1 -> 1. default=0
ui->slider4->setTickPosition(QSlider::TicksAbove);
ui->slider1->setValue(0);
ui->slider2->setValue(0);
ui->slider3->setValue(0);
ui->slider4->setValue(0);
ui->slider5->setRange(0,10);
ui->slider5->setValue(0);
ui->slider5->setTickPosition(QSlider::TicksAbove);
ui->progressBar1->setValue(0);
ui->progressBar1->setRange(-100,100);
ui->progressBar2->setValue(0);
ui->progressBar2->setRange(-100,100);
ui->progressBar3->setValue(0);
ui->progressBar3->setRange(-100,100);
ui->progressBar4->setValue(0);
ui->progressBar4->setRange(-100,100);
ui->comboBox->addItems(QStringList()<<"identity" <<"dicetv"
<<"warptv"<<"shagadelictv"<< "revtv"<< "radioactv"<< "rippletv"<<"TehRoxx0r"<<"Cartoon"<<"invert"
<<"pixeliz0r"<<"Nervous"<<"Vertigo"<<"Color Distance"<<"perspective"<<"color-B"<<"Baltan"<<"Twolay0r"<<"threelay0r"
<<"bw0r"<<"Sobel"<<"Distort0r");
QObject::connect(ui->slider1, SIGNAL(valueChanged(int)),
ui->progressBar1, SLOT(setValue(int)));
QObject::connect(ui->slider2, SIGNAL(valueChanged(int)),
ui->progressBar2, SLOT(setValue(int)));
QObject::connect(ui->slider3, SIGNAL(valueChanged(int)),
ui->progressBar3, SLOT(setValue(int)));
QObject::connect(ui->slider4, SIGNAL(valueChanged(int)),
ui->progressBar4, SLOT(setValue(int)));
ui->widget->setFixedWidth(640);
ui->widget->setFixedHeight(480);
gst_init(NULL, FALSE);
input->exec();
g_print("video Resolution: %dx%d \n", input->resolutionX, input->resolutionY);
g_print("audio rate is: %d; audio bitrate is: %d \n", input->arate, input->abrate);
g_print("video settings - framerate: %d, video bitrate: %d \n",input->framerate, input->vbrate);
g_print("audio channels is: %d \n", input->channels);
this->conversor1 = gst_element_factory_make("videoconvert", "conversor1");
this->conv = gst_element_factory_make("audioconvert","aconv");
this->volume = gst_element_factory_make("volume","volume");
this->x264enc = gst_element_factory_make("x264enc","x264enc");
this->h264parse = gst_element_factory_make("h264parse","h264parse");
this->avdec_h264 = gst_element_factory_make("avdec_h264","avdec_h264");
this->sink = gst_element_factory_make("ximagesink", "sink");
this->videobalance = gst_element_factory_make("videobalance", "balance");
this->audiosink = gst_element_factory_make("autoaudiosink", "ausink");
this->faac = gst_element_factory_make("voaacenc","aacAudioencoder");
this->aacparse = gst_element_factory_make("aacparse", "aacparse");
queue1 = gst_element_factory_make("queue", "queue1");
queue3 = gst_element_factory_make("queue", "queue3");
queue4 = gst_element_factory_make("queue", "queue4");
queue5 = gst_element_factory_make("queue", "queue5");
queue6 = gst_element_factory_make("queue", "queue6");
queue7 = gst_element_factory_make("queue", "queue7");
queue8 = gst_element_factory_make("queue", "queue8");
queue9 = gst_element_factory_make("queue", "queue9");
this->audiosampler = gst_element_factory_make("audioresample", "audiosampler");
queue2 = gst_element_factory_make("queue", "queue2");
this->Ltee2 = gst_element_factory_make("tee","tee2");//audio branch tee for visualization
this->Ltee1 = gst_element_factory_make("tee","tee1");//video branch tee for visualization
this->scale = gst_element_factory_make("videoscale","scale");//for video streaming settings
this->videosinkconvert = gst_element_factory_make("videoconvert", "vsinkconvert");
this->Svideoconvert = gst_element_factory_make("videoconvert", "sconvert");
this->videorate = gst_element_factory_make("videorate", "videorate");
this->audiorate = gst_element_factory_make("audiorate", "audiorate");
//this->audiosinkconvert = gst_element_factory_make("audioconvert","audiosinkconvert");
this->audioparse = gst_element_factory_make("audioparse", "audiopar");
pipeline = gst_pipeline_new("pipeline");
this->rtmp = gst_element_factory_make("rtmpsink","rtmp");
this->flvmux = gst_element_factory_make("flvmux","flvmux");
conv_after = gst_element_factory_make("videoconvert", "conv_after");
conv_before = gst_element_factory_make("videoconvert", "conv_before");
curr = gst_element_factory_make("identity", "curr");
int keyint = 2*input->framerate;
QString location = "rtmp://a.rtmp.youtube.com/live2/x/" + input->youtube + "?videoKeyframeFrequency=1&totalDatarate=8128 app=live2 flashVer=FME/3.0%20(compatible;%20FMSc%201.0) swfUrl=rtmp://a.rtmp.youtube.com/live2";
g_object_set(this->rtmp, "location", location.toUtf8().constData(), "sync", FALSE, NULL);
g_object_set(this->volume, "volume", 0, NULL);
g_object_set(this->faac, "bitrate", input->abrate, NULL);
g_object_set(this->x264enc, "bitrate", input->vbrate, "key-int-max", keyint, "bframes", 0, "byte-stream", false, "aud", true,
"threads", 4, "speed-preset", 1, "pass", 17, NULL);
g_object_set(this->sink, "sync", TRUE, NULL);
g_object_set(this->audiosink, "sync", TRUE, NULL);
g_object_set(this->audioparse, "rate", input->arate, "channels", input->channels, NULL);
g_object_set(this->flvmux, "streamable", TRUE, NULL);
this->Vcaps = gst_caps_new_simple("video/x-raw",
//"format", G_TYPE_STRING, "BGRA",
//"framerate", GST_TYPE_FRACTION, 25, 1,
"interlace-mode", G_TYPE_STRING, "progressive",
"width", G_TYPE_INT, 640,
"height", G_TYPE_INT, 480,
NULL);
this->Scaps = gst_caps_new_simple("video/x-raw",
//"framerate", GST_TYPE_FRACTION, 25, 1,
"interlace-mode", G_TYPE_STRING, "progressive",
"width", G_TYPE_INT, input->resolutionX,
"height", G_TYPE_INT, input->resolutionY,
NULL);
this->Acaps = gst_caps_new_simple("audio/x-raw",
"format", G_TYPE_STRING, "S16LE",
"layout", G_TYPE_STRING, "interleaved",
NULL);
this->enVcaps = gst_caps_new_simple("video/x-h264",
"level", G_TYPE_STRING, "4.1",
"profile", G_TYPE_STRING, "main",
NULL);
this->enAcaps = gst_caps_new_simple("audio/mpeg",
"mpegversion", G_TYPE_INT, 4,
"stream-format", G_TYPE_STRING, "raw",
NULL);
// ########### Checking for errors ########################################################################
if (!pipeline ){
qDebug("pipeline not created");
return;
}
if (!this->conv || !this->volume || !audiosampler || !faac || !aacparse ||!this->audiosink
|| !this->audiorate || !this->audioparse){
qDebug("any audio element not found");
return;
}
if (!this->x264enc || !this->h264parse || !flvmux || !Ltee1 || !Ltee2 || !queue1 || !queue2 || !queue3 || !queue4
|| !queue5 || !queue6 || !queue7 || !queue8 || !queue9 || !this->scale || !this->enAcaps || !this->videobalance
|| !this->conversor1 || !conv_before || !curr || !conv_after || !rtmp || !Vcaps || !Scaps){
qDebug("any video or encoding element not found");
return;
}
//####################################################################################################################################
binpad = gst_element_get_static_pad(this->volume, "src");
GstPad *pad = gst_element_get_static_pad(this->videobalance, "src");
//GstPad *pada = gst_element_get_static_pad(this->conv, "audioconvert");
if(input->local)
{
//if local is selected, set the local objects
this->abin = gst_bin_new("abin");
this->vV4L2bin = gst_bin_new("vV4L2bin");
this->Vlocalsrc = gst_element_factory_make("v4l2src", "v4l2src");
this->Alocalsrc = gst_element_factory_make("alsasrc", "alsasrc");
QString videoDevice="/dev/"+input->localCamera;
QString audioDevice = "plughw:"+input->localAudioCard;
qDebug()<<"the sound card is " << audioDevice;
qDebug()<<"video device is " << videoDevice;
g_object_set(this->Vlocalsrc, "do-timestamp", TRUE, "device", videoDevice.toUtf8().constData(), NULL);
g_object_set(this->Alocalsrc, "do-timestamp", TRUE, "device", audioDevice.toUtf8().constData(), NULL);
blockpad = gst_element_get_static_pad(this->Vlocalsrc, "src");
//audio local bin
gst_bin_add_many(GST_BIN(this->abin), this->Alocalsrc, this->audiorate, this->conv, this->audioparse, this->volume, NULL);
gst_element_link_many(this->Alocalsrc, this->audiorate,this->conv, NULL);
//ghostpad for my audio bin
gst_element_link_filtered(this->conv, this->audioparse, this->Acaps);
gst_element_link(this->audioparse, this->volume);
gst_element_add_pad (this->abin, gst_ghost_pad_new ("src", binpad));
gst_bin_add_many(GST_BIN(this->vV4L2bin), this->Vlocalsrc, this->videorate, this->conversor1,this->scale,
this->videobalance, NULL);
gst_element_link_many(this->Vlocalsrc, this->videorate, this->conversor1, this->scale, NULL);
gst_element_link_filtered (this->scale,this->videobalance ,this->Scaps);//Streaming caps
gst_element_add_pad (this->vV4L2bin, gst_ghost_pad_new ("src", pad));
gst_bin_add_many(GST_BIN(pipeline), this->vV4L2bin, conv_before, curr, conv_after,this->Ltee1, queue7,this->x264enc,
this->h264parse, queue3, this->flvmux, queue4,
this->rtmp, this->abin, this->Ltee2,
queue9, this->faac, this->aacparse, queue5,
queue8, this->audiosink,
queue6, this->videosinkconvert, this->sink, NULL);
gst_element_link_many(this->vV4L2bin,conv_before, curr, conv_after, this->Ltee1, NULL);//tee1 for video visualization
//and streaming branch
gst_element_link_many(queue6, this->videosinkconvert, this->sink, NULL);//for local visualization
gst_element_link_many(queue7, this->x264enc, this->h264parse, queue3, NULL); //queue3 will be linked with flvmux by requesting
gst_element_link_many(this->flvmux, queue4, this->rtmp, NULL);
gst_element_link(this->abin, this->Ltee2);
gst_element_link_many(queue8, this->audiosink, NULL); // audio local branch
gst_element_link_many(queue9, this->faac, this->aacparse, NULL);//audio streaming branch
gst_element_link_filtered(this->aacparse, queue5, this->enAcaps);//queue5 will be link with flvmux
//****** Linking requesting pads ******************************
GstPadTemplate *tee_src_pad_template1, *tee_src_pad_template2;
GstPad *tee1_q6_pad, *tee1_q7_pad,*tee2_q8_pad, *tee2_q9_pad;
GstPad *q6_pad, *q7_pad, *q8_pad, *q9_pad;
if ( !(tee_src_pad_template1 = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (this->Ltee1), "src_%u"))) {
gst_object_unref (pipeline);
g_critical ("Unable to get pad template");
}
if ( !(tee_src_pad_template2 = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (this->Ltee2), "src_%u"))) {
gst_object_unref (pipeline);
g_critical ("Unable to get pad template");
}
tee1_q7_pad = gst_element_request_pad (this->Ltee1, tee_src_pad_template1, NULL, NULL);
q7_pad = gst_element_get_static_pad (queue7, "sink");
/* Link the tee to the queue 7 */
if (gst_pad_link (tee1_q7_pad, q7_pad) != GST_PAD_LINK_OK ){
g_critical ("Tee1 for queue7 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}//Tee linked with queue7 for video branch to x264enc!!!
tee2_q9_pad = gst_element_request_pad (this->Ltee2, tee_src_pad_template2, NULL, NULL);
q9_pad = gst_element_get_static_pad (queue9, "sink");
/* Link the tee to the queue 7 */
if (gst_pad_link (tee2_q9_pad, q9_pad) != GST_PAD_LINK_OK ){
g_critical ("Tee2 for queue9 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}//Tee linked with queue9 for video branch to aacenc!!!
tee1_q6_pad = gst_element_request_pad (this->Ltee1, tee_src_pad_template1, NULL, NULL);
q6_pad = gst_element_get_static_pad(queue6, "sink");
/* Link the tee to the queue 6 */
if (gst_pad_link(tee1_q6_pad, q6_pad) != GST_PAD_LINK_OK ){ // t1 ----> queue6
g_critical ("Tee1 for queue6 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
} //Tee linked with queue6 for local visualization!!!
tee2_q8_pad = gst_element_request_pad (this->Ltee2, tee_src_pad_template2, NULL, NULL);
q8_pad = gst_element_get_static_pad (queue8, "sink");
/* Link the tee to the queue 6 */
if (gst_pad_link (tee2_q8_pad, q8_pad) != GST_PAD_LINK_OK ){
g_critical ("Tee2 for queue8 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
} //Tee linked with queue6 for local visualization!!!
/*######################### Linking queue 3 and 5 to flvmux ###########################################################*/
GstPadTemplate *flvmux_sink_pad_template_audio;
if (!(flvmux_sink_pad_template_audio = gst_element_class_get_pad_template(GST_ELEMENT_GET_CLASS(this->flvmux), "audio"))) {
gst_object_unref (pipeline);
printf ("Unable to get pad template for audio for flvmux element");
exit(1);
}
GstPad * audio_queue5_src_pad = gst_element_get_static_pad(queue5, "src");
GstPad * flvmux_sink_audio_pad = gst_element_request_pad(flvmux, flvmux_sink_pad_template_audio, NULL, NULL);
if (gst_pad_link (audio_queue5_src_pad, flvmux_sink_audio_pad) != GST_PAD_LINK_OK ) {
printf("unable to link audio queue with flvmixer\n");
exit(1);
}
GstPadTemplate *flvmux_sink_pad_template_video;
if (!(flvmux_sink_pad_template_video = gst_element_class_get_pad_template(GST_ELEMENT_GET_CLASS(this->flvmux), "video"))) {
gst_object_unref (pipeline);
printf ("Unable to get pad template for video for flvmux element");
exit(1);
}
GstPad * video_queue3_src_pad = gst_element_get_static_pad(queue3, "src");
GstPad * flvmux_sink_video_pad = gst_element_request_pad(this->flvmux, flvmux_sink_pad_template_video, NULL, NULL);
if (gst_pad_link(video_queue3_src_pad, flvmux_sink_video_pad) == GST_PAD_LINK_OK ) {
printf("link video queue with flvmixer\n");
}
gst_object_unref(audio_queue5_src_pad);
gst_object_unref(video_queue3_src_pad);
gst_object_unref (q6_pad);
gst_object_unref(q7_pad);
gst_object_unref (q8_pad);
gst_object_unref(q9_pad);
gst_object_unref(binpad);
gst_object_unref(pad);
gst_object_unref(tee_src_pad_template1);
gst_object_unref(tee_src_pad_template2);
}
else
{
switch (input->videoBIN){
case 1://tcp input source
{
vdecoder = gst_element_factory_make("decodebin","vdecodebin");
this->Vtcpsrc = gst_element_factory_make("tcpclientsrc", "Vtcpsrc");
g_object_set(this->Vtcpsrc, "host", input->videotcp.toUtf8().constData(), "port", input->vport,NULL);
blockpad = gst_element_get_static_pad(queue1, "src");
this->Vscale = gst_element_factory_make("videoscale","Vscale");
this->Sscale = gst_element_factory_make("videoscale","Sscale");
gst_bin_add_many(GST_BIN(pipeline), this->Vtcpsrc, vdecoder, queue1, this->scale, this->conversor1,
this->videobalance, conv_before, curr, conv_after,this->Ltee1, queue7, this->Sscale,
this->Svideoconvert,this->x264enc,
this->h264parse, queue3, this->flvmux, queue4,
this->rtmp, queue2,this->conv, this->audiosampler, this->volume, this->Ltee2,
queue9, this->faac, this->aacparse, queue5,
queue8, this->audiosink,
queue6, this->Vscale, this->videosinkconvert, this->sink, NULL);
gst_element_link_many(this->Vtcpsrc, vdecoder, NULL);
gst_element_link_many(queue1, this->scale, this->conversor1, this->videobalance,
conv_before, curr, conv_after,this->Ltee1, NULL);
gst_element_link_many(queue6, this->Vscale, this->videosinkconvert, NULL);
gst_element_link_filtered(this->videosinkconvert, this->sink, this->Vcaps);
gst_element_link_many(queue7, this->Sscale, this->Svideoconvert, NULL);
gst_element_link_filtered (this->Svideoconvert, this->x264enc ,this->Scaps);
gst_element_link_many(this->x264enc, this->h264parse, queue3, NULL);
gst_element_link_many(this->flvmux, queue4, this->rtmp, NULL);
gst_element_link_many(queue2, this->conv, this->audiosampler, this->volume, Ltee2, NULL);
gst_element_link_many(queue8, this->audiosink, NULL);
gst_element_link_many(queue9, this->faac, this->aacparse, NULL);
gst_element_link_filtered(this->aacparse, queue5, this->enAcaps);
GstPadTemplate *tee_src_pad_template1, *tee_src_pad_template2;
GstPad *tee1_q6_pad, *tee1_q7_pad,*tee2_q8_pad, *tee2_q9_pad;
GstPad *q6_pad, *q7_pad, *q8_pad, *q9_pad;
if ( !(tee_src_pad_template1 = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (this->Ltee1), "src_%u"))) {
gst_object_unref (pipeline);
g_critical ("Unable to get pad template");
}
if ( !(tee_src_pad_template2 = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (this->Ltee2), "src_%u"))) {
gst_object_unref (pipeline);
g_critical ("Unable to get pad template");
}
tee1_q7_pad = gst_element_request_pad (this->Ltee1, tee_src_pad_template1, NULL, NULL);
q7_pad = gst_element_get_static_pad (queue7, "sink");
/* Link the tee to the queue 7 */
if (gst_pad_link (tee1_q7_pad, q7_pad) != GST_PAD_LINK_OK ){ // t2 ----> queue7
g_critical ("Tee1 for queue7 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}
tee2_q9_pad = gst_element_request_pad (this->Ltee2, tee_src_pad_template2, NULL, NULL);
q9_pad = gst_element_get_static_pad (queue9, "sink");
/* Link the tee to the queue 7 */
if (gst_pad_link (tee2_q9_pad, q9_pad) != GST_PAD_LINK_OK ){
g_critical ("Tee2 for queue9 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}
tee1_q6_pad = gst_element_request_pad (this->Ltee1, tee_src_pad_template1, NULL, NULL);
q6_pad = gst_element_get_static_pad(queue6, "sink");
/* Link the tee to the queue 6 */
if (gst_pad_link(tee1_q6_pad, q6_pad) != GST_PAD_LINK_OK ){ // t1 ----> queue6
g_critical ("Tee1 for queue6 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}
/* Obtaining request pads for the tee1 elements*/
tee2_q8_pad = gst_element_request_pad (this->Ltee2, tee_src_pad_template2, NULL, NULL);
q8_pad = gst_element_get_static_pad (queue8, "sink");
/* Link the tee to the queue 6 */
if (gst_pad_link (tee2_q8_pad, q8_pad) != GST_PAD_LINK_OK ){
g_critical ("Tee2 for queue8 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}
GstPadTemplate *flvmux_sink_pad_template_audio;
if (!(flvmux_sink_pad_template_audio = gst_element_class_get_pad_template(GST_ELEMENT_GET_CLASS(this->flvmux), "audio"))) {
gst_object_unref (pipeline);
printf ("Unable to get pad template for audio for flvmux element");
exit(1);
}
GstPad * audio_queue5_src_pad = gst_element_get_static_pad(queue5, "src");
GstPad * flvmux_sink_audio_pad = gst_element_request_pad(flvmux, flvmux_sink_pad_template_audio, NULL, NULL);
if (gst_pad_link (audio_queue5_src_pad, flvmux_sink_audio_pad) != GST_PAD_LINK_OK ) {
printf("unable to link audio queue with flvmixer\n");
exit(1);
}
GstPadTemplate *flvmux_sink_pad_template_video;
if (!(flvmux_sink_pad_template_video = gst_element_class_get_pad_template(GST_ELEMENT_GET_CLASS(this->flvmux), "video"))) {
gst_object_unref (pipeline);
printf ("Unable to get pad template for video for flvmux element");
exit(1);
}
GstPad * video_queue3_src_pad = gst_element_get_static_pad(queue3, "src");
GstPad * flvmux_sink_video_pad = gst_element_request_pad(this->flvmux, flvmux_sink_pad_template_video, NULL, NULL);
if (gst_pad_link(video_queue3_src_pad, flvmux_sink_video_pad) == GST_PAD_LINK_OK ) {
printf("link video queue with flvmixer\n");
}
gst_object_unref(audio_queue5_src_pad);
gst_object_unref(video_queue3_src_pad);
gst_object_unref (q6_pad);
gst_object_unref(q7_pad);
gst_object_unref (q8_pad);
gst_object_unref(q9_pad);
gst_object_unref(binpad);
gst_object_unref(pad);
gst_object_unref(tee_src_pad_template1);
gst_object_unref(tee_src_pad_template2);
}
break;
case 2:
{
blockpad = gst_element_get_static_pad(queue1, "src");
vdecoder = gst_element_factory_make("decodebin","vdecodebin");
this->Vscale = gst_element_factory_make("videoscale","Vscale");
this->Sscale = gst_element_factory_make("videoscale","Sscale");
this->Vfilesrc = gst_element_factory_make("filesrc", "Vtcpsrc");
g_object_set(this->Vfilesrc, "location", input->videoPath.toUtf8().constData(), "do-timestamp", TRUE, NULL);
gst_bin_add_many(GST_BIN(pipeline), this->Vfilesrc, vdecoder, queue1, this->scale, this->conversor1,
this->videobalance, conv_before, curr, conv_after,this->Ltee1, queue7, this->Sscale,
this->Svideoconvert,this->x264enc,
this->h264parse, queue3, this->flvmux, queue4,
this->rtmp, queue2,this->conv, this->audiosampler, this->volume, this->Ltee2,
queue9, this->faac, this->aacparse, queue5,
queue8, this->audiosink,
queue6, this->Vscale, this->videosinkconvert, this->sink, NULL);
gst_element_link(this->Vfilesrc, vdecoder);
gst_element_link_many(queue1, this->scale, this->conversor1, this->videobalance,
conv_before, curr, conv_after,this->Ltee1, NULL);
gst_element_link_many(queue6, this->Vscale, this->videosinkconvert, NULL);
gst_element_link_filtered(this->videosinkconvert, this->sink, this->Vcaps);
gst_element_link_many(queue7, this->Sscale, this->Svideoconvert, NULL);
gst_element_link_filtered (this->Svideoconvert, this->x264enc ,this->Scaps);
gst_element_link_many(this->x264enc, this->h264parse, queue3, NULL);
gst_element_link_many(this->flvmux, queue4, this->rtmp, NULL);
gst_element_link_many(queue2, this->conv, this->audiosampler, this->volume, Ltee2, NULL);
gst_element_link_many(queue8, this->audiosink, NULL);
gst_element_link_many(queue9, this->faac, this->aacparse, NULL);
gst_element_link_filtered(this->aacparse, queue5, this->enAcaps);
GstPadTemplate *tee_src_pad_template1, *tee_src_pad_template2;
GstPad *tee1_q6_pad, *tee1_q7_pad,*tee2_q8_pad, *tee2_q9_pad;
GstPad *q6_pad, *q7_pad, *q8_pad, *q9_pad;
if ( !(tee_src_pad_template1 = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (this->Ltee1), "src_%u"))) {
gst_object_unref (pipeline);
g_critical ("Unable to get pad template");
}
if ( !(tee_src_pad_template2 = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (this->Ltee2), "src_%u"))) {
gst_object_unref (pipeline);
g_critical ("Unable to get pad template");
}
tee1_q7_pad = gst_element_request_pad (this->Ltee1, tee_src_pad_template1, NULL, NULL);
q7_pad = gst_element_get_static_pad (queue7, "sink");
/* Link the tee to the queue 7 */
if (gst_pad_link (tee1_q7_pad, q7_pad) != GST_PAD_LINK_OK ){ // t2 ----> queue7
g_critical ("Tee1 for queue7 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}
tee2_q9_pad = gst_element_request_pad (this->Ltee2, tee_src_pad_template2, NULL, NULL);
q9_pad = gst_element_get_static_pad (queue9, "sink");
/* Link the tee to the queue 7 */
if (gst_pad_link (tee2_q9_pad, q9_pad) != GST_PAD_LINK_OK ){
g_critical ("Tee2 for queue9 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}
tee1_q6_pad = gst_element_request_pad (this->Ltee1, tee_src_pad_template1, NULL, NULL);
q6_pad = gst_element_get_static_pad(queue6, "sink");
/* Link the tee to the queue 6 */
if (gst_pad_link(tee1_q6_pad, q6_pad) != GST_PAD_LINK_OK ){ // t1 ----> queue6
g_critical ("Tee1 for queue6 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}
/* Obtaining request pads for the tee1 elements*/
tee2_q8_pad = gst_element_request_pad (this->Ltee2, tee_src_pad_template2, NULL, NULL);
q8_pad = gst_element_get_static_pad (queue8, "sink");
/* Link the tee to the queue 6 */
if (gst_pad_link (tee2_q8_pad, q8_pad) != GST_PAD_LINK_OK ){
g_critical ("Tee2 for queue8 could not be linked.\n");
gst_object_unref (pipeline);
exit(1);
}
GstPadTemplate *flvmux_sink_pad_template_audio;
if (!(flvmux_sink_pad_template_audio = gst_element_class_get_pad_template(GST_ELEMENT_GET_CLASS(this->flvmux), "audio"))) {
gst_object_unref (pipeline);
printf ("Unable to get pad template for audio for flvmux element");
exit(1);
}
GstPad * audio_queue5_src_pad = gst_element_get_static_pad(queue5, "src");
GstPad * flvmux_sink_audio_pad = gst_element_request_pad(flvmux, flvmux_sink_pad_template_audio, NULL, NULL);
if (gst_pad_link (audio_queue5_src_pad, flvmux_sink_audio_pad) != GST_PAD_LINK_OK ) {
printf("unable to link audio queue with flvmixer\n");
exit(1);
}
GstPadTemplate *flvmux_sink_pad_template_video;
if (!(flvmux_sink_pad_template_video = gst_element_class_get_pad_template(GST_ELEMENT_GET_CLASS(this->flvmux), "video"))) {
gst_object_unref (pipeline);
printf ("Unable to get pad template for video for flvmux element");
exit(1);
}
GstPad * video_queue3_src_pad = gst_element_get_static_pad(queue3, "src");
GstPad * flvmux_sink_video_pad = gst_element_request_pad(this->flvmux, flvmux_sink_pad_template_video, NULL, NULL);
if (gst_pad_link(video_queue3_src_pad, flvmux_sink_video_pad) == GST_PAD_LINK_OK ) {
printf("link video queue with flvmixer\n");
}
gst_object_unref(audio_queue5_src_pad);
gst_object_unref(video_queue3_src_pad);
gst_object_unref (q6_pad);
gst_object_unref(q7_pad);
gst_object_unref (q8_pad);
gst_object_unref(q9_pad);
gst_object_unref(binpad);
gst_object_unref(pad);
gst_object_unref(tee_src_pad_template1);
gst_object_unref(tee_src_pad_template2);
}
break;
default:
break;
}
}//end of else for input->isLocal evaluation
window = ui->widget->winId();
cam_window_handle=window;
this->bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_set_sync_handler (this->bus, (GstBusSyncHandler) bus_sync_handler, NULL, NULL);
gst_object_unref (this->bus);
GstBus *mbus = gst_pipeline_get_bus(GST_PIPELINE(pipeline));
gst_bus_add_signal_watch(mbus);
connect(ui->slider1, SIGNAL(valueChanged(int)), this, SLOT(contrast(int)));
connect(ui->slider2, SIGNAL(valueChanged(int)), this, SLOT(brightness(int)));
connect(ui->slider3, SIGNAL(valueChanged(int)), this, SLOT(hue(int)));
connect(ui->slider4, SIGNAL(valueChanged(int)), this, SLOT(saturation(int)));
connect(ui->slider5, SIGNAL(valueChanged(int)), this, SLOT(avolume(int)));
connect(ui->bplay, SIGNAL(clicked()), this, SLOT (start()));
connect(ui->bstop, SIGNAL(clicked()), this, SLOT(stop()));
g_signal_connect(vdecoder, "pad-added", G_CALLBACK(videoPad_added_handler), NULL);
g_signal_connect(mbus, "message::error", G_CALLBACK(callback), NULL);
delete input;
}
gstvideo::~gstvideo()
{
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_NULL);
gst_object_unref(pipeline);
delete ui;
}
void gstvideo::callback(GstBus *bus, GstMessage* msg, gpointer user_data)
{
g_print("Got %s message\n", GST_MESSAGE_TYPE_NAME(msg));
GError *err;
gchar *debug;
gst_message_parse_error(msg, &err, &debug);
g_print("from %s \n", GST_MESSAGE_SRC_NAME(msg));
g_print("Error: %s\n", err->message);
g_error_free(err);
g_free(debug);
}
//sync callback function for ximagesink and qt widget
GstBusSyncReply gstvideo::bus_sync_handler (GstBus *bus, GstMessage *message, gpointer user_data)
{
if (!gst_is_video_overlay_prepare_window_handle_message (message))
return GST_BUS_PASS;
GstVideoOverlay *overlay;
overlay = GST_VIDEO_OVERLAY (GST_MESSAGE_SRC (message));
gst_video_overlay_set_window_handle (overlay, cam_window_handle);
gst_message_unref (message);
return GST_BUS_DROP;
//arriba añado los elementos creados en el constructor a la pipeline de gstreamer
//luego los conecto
//obtengo el ID de la ventana creada en qt la cual asignare al ximagesink de gstreamer
//y aseguro de sincronizar el llamado de la ventana a traves de mensajes en el bus de gstreamer
}
void gstvideo::update_color_channel (gchar *channel_name, gint dvalue, GstColorBalance *cb) {
GstColorBalanceChannel *channel = NULL;
const GList *channels, *l;
/* Retrieve the list of channels and locate the requested one */
channels = gst_color_balance_list_channels (cb);
for (l = channels; l != NULL; l = l->next) {
GstColorBalanceChannel *tmp = (GstColorBalanceChannel *)l->data;
if (g_strrstr (tmp->label, channel_name)) {
channel = tmp;
break;
}
}
if (!channel)return;
if (dvalue > channel->max_value)
{
dvalue = channel->max_value;
g_print("%d/n", dvalue);
}
else {
if (dvalue < channel->min_value)
dvalue = channel->min_value;
}
gst_color_balance_set_value(cb, channel, dvalue);
}
GstPadProbeReturn gstvideo::block_src(GstPad *pad, GstPadProbeInfo *info, gpointer user_data){
GstPad *srcpad, *sinkpad;
gst_pad_remove_probe(pad, GST_PAD_PROBE_INFO_ID(info));
/* install new probe for EOS */
srcpad = gst_element_get_static_pad (curr, "src");
gst_pad_add_probe(srcpad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM, (GstPadProbeCallback)event_eos, user_data, NULL);
gst_object_unref (srcpad);
/* push EOS into the element, the probe will be fired when the
* EOS leaves the effect and it has thus drained all of its data */
sinkpad = gst_element_get_static_pad (curr, "sink");
gst_pad_send_event (sinkpad, gst_event_new_eos ());
gst_object_unref (sinkpad);
return GST_PAD_PROBE_OK;
}
GstPadProbeReturn gstvideo::event_eos(GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
if (GST_EVENT_TYPE (GST_PAD_PROBE_INFO_DATA (info)) != GST_EVENT_EOS)
return GST_PAD_PROBE_OK;
gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));
gst_element_set_state (curr, GST_STATE_NULL);
gst_bin_remove (GST_BIN (pipeline), curr);
switch (effect){
case 0:
curr = gst_element_factory_make("identity", "next");
break;
case 1:
curr = gst_element_factory_make("dicetv", "next");
break;
case 2:
curr = gst_element_factory_make("warptv", "next");
break;
case 3:
curr = gst_element_factory_make("shagadelictv", "next");
break;
case 4:
curr = gst_element_factory_make("revtv", "next");
break;
case 5:
curr = gst_element_factory_make("radioactv", "next");
break;
case 6:
curr = gst_element_factory_make("rippletv", "next");
break;
case 7:
curr = gst_element_factory_make("frei0r-filter-tehroxx0r", "next");
break;
case 8:
curr = gst_element_factory_make("frei0r-filter-cartoon", "next");
break;
case 9:
curr = gst_element_factory_make("frei0r-filter-invert0r", "next");
break;
case 10:
curr = gst_element_factory_make("frei0r-filter-pixeliz0r", "next");
break;
case 11:
curr = gst_element_factory_make("frei0r-filter-nervous", "next");
break;
case 12:
curr = gst_element_factory_make("frei0r-filter-vertigo", "next");
break;
case 13:
curr = gst_element_factory_make("frei0r-filter-color-distance", "next");
break;
case 14:
curr = gst_element_factory_make("frei0r-filter-perspective", "next");
g_object_set(curr, "top-left-x", 0.8, "top-left-Y", 0.01, "top-right-x",0.01, "top-right-Y",0.03490 , NULL);
break;
case 15:
curr = gst_element_factory_make("frei0r-filter-b", "next");
break;
case 16:
curr = gst_element_factory_make("frei0r-filter-baltan", "next");
break;
case 17:
curr = gst_element_factory_make("frei0r-filter-twolay0r", "next");
break;
case 18:
curr = gst_element_factory_make("frei0r-filter-threelay0r", "next");
break;
case 19:
curr = gst_element_factory_make("frei0r-filter-bw0r", "next");
break;
case 20:
curr = gst_element_factory_make("frei0r-filter-sobel", "next");
break;
case 21:
curr = gst_element_factory_make("frei0r-filter-distort0r", "next");
break;
default:
curr = gst_element_factory_make("identity", "next");
break;
}
gst_bin_add (GST_BIN (pipeline), curr);
gst_element_link_many (conv_before, curr, conv_after, NULL);
gst_element_set_state (curr, GST_STATE_PLAYING);
return GST_PAD_PROBE_DROP;
}
//################################## DINAMIC CALLBACK for vdecoder ########################################################
/* This function will be called by the pad-added signal */
void gstvideo::videoPad_added_handler(GstElement *src, GstPad *new_pad, gpointer user_data) {
g_print("entering into padd-added video function: ");
GstPad *sink_pad = gst_element_get_static_pad (queue2, "sink"); // pad for audio pipeline, the same data source
GstPad *sink_pad_video = gst_element_get_static_pad(queue1, "sink");
GstPadLinkReturn ret;
GstCaps *new_pad_caps = NULL;
GstStructure *new_pad_struct = NULL;
const gchar *new_pad_type = NULL;
g_print ("Received new pad '%s' from '%s':\n", GST_PAD_NAME (new_pad), GST_ELEMENT_NAME (src));
if (gst_pad_is_linked (sink_pad)) {
g_print (" We are already linkeIgnoring.\n");
goto exit;
}
/* Check the new pad's type */
new_pad_caps = gst_pad_get_current_caps(new_pad);
new_pad_struct = gst_caps_get_structure (new_pad_caps, 0);
new_pad_type = gst_structure_get_name (new_pad_struct);
if ((g_str_has_prefix (new_pad_type, "audio/x-raw"))) {
ret = gst_pad_link (new_pad, sink_pad);
if (GST_PAD_LINK_FAILED (ret)) {
g_print (" Type is '%s' but link failed.\n", new_pad_type);
} else {
g_print (" Link succeeded (type '%s').\n", new_pad_type);
}
} else if (g_str_has_prefix (new_pad_type, "video/x-raw")) {
/* Attempt the link */
ret = gst_pad_link (new_pad, sink_pad_video);
if (GST_PAD_LINK_FAILED (ret)) {
g_print (" Type is '%s' but link failed.\n", new_pad_type);
} else {
g_print (" Link succeeded (type '%s').\n", new_pad_type);
}
} else {
g_print (" It has type '%s' which is not raw video. Ignoring.\n", new_pad_type);
goto exit;
}
exit:
/* Unreference the new pad's caps, if we got them */
if (new_pad_caps != NULL)
gst_caps_unref (new_pad_caps);
/* Unreference the sink pad */
gst_object_unref (sink_pad);
gst_object_unref (sink_pad_video);
}
// ##################################### SLOTS #############################################################################
void gstvideo::start()
{
gst_element_set_state (pipeline, GST_STATE_PLAYING);
qDebug()<<"the Pipeline State is changing to playing STATE";
}
void gstvideo::stop()
{
if (pipeline != NULL)
{
gst_element_change_state(pipeline, GST_STATE_CHANGE_PLAYING_TO_PAUSED);
qDebug()<<"the Pipeline State is changing to Paused";
;
}
}
void gstvideo::contrast(int c){
c = c*10;
this->update_color_channel("CONTRAST", c, GST_COLOR_BALANCE(this->videobalance));
}
void gstvideo::brightness(int b){
b = b*10;
this->update_color_channel("BRIGHTNESS", b, GST_COLOR_BALANCE(this->videobalance));
}
void gstvideo::hue(int h){
h = h*10;
this->update_color_channel("HUE", h, GST_COLOR_BALANCE(this->videobalance));
}
void gstvideo::saturation(int s){
s = s*10;
this->update_color_channel("SATURATION", s, GST_COLOR_BALANCE(this->videobalance));
}
void gstvideo::on_comboBox_currentIndexChanged(int index)
{
effect=ui->comboBox->currentIndex();
gst_pad_add_probe(blockpad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM, (GstPadProbeCallback)block_src, this->loop, NULL);
//GstPadProbeReturn gstvideo::event_eos(GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
}
void gstvideo::avolume(int y){
gdouble x = y/10.0;
g_print("%d \n", x);
gst_stream_volume_set_volume (GST_STREAM_VOLUME(this->volume), GST_STREAM_VOLUME_FORMAT_LINEAR, x);
}