tests/examples/gl/generic/recordgraphic/main.cpp - mtk-gst-plugins-bad-debian - Git at Google

 /*
  * GStreamer
  * Copyright (C) 2008-2009 Julien Isorce <julien.isorce@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */

 #include <GL/gl.h>
 #if __WIN32__ || _WIN32
 # include <GL/glext.h>
 #endif
 #include <gst/gst.h>
 #include <gst/video/video.h>

 #include <iostream>
 #include <string>

 static gboolean bus_call (GstBus *bus, GstMessage *msg, gpointer data)
 {
     GMainLoop *loop = (GMainLoop*)data;

     switch (GST_MESSAGE_TYPE (msg))
     {
         case GST_MESSAGE_EOS:
               g_print ("End-of-stream\n");
               g_main_loop_quit (loop);
               break;
         case GST_MESSAGE_ERROR:
           {
               gchar *debug = NULL;
               GError *err = NULL;

               gst_message_parse_error (msg, &err, &debug);

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

               if (debug)
               {
                   g_print ("Debug details: %s\n", debug);
                   g_free (debug);
               }

               g_main_loop_quit (loop);
               break;
           }
         default:
           break;
     }

     return TRUE;
 }

 //client draw callback
 static gboolean drawCallback (void *filter, void *context, GLuint texture, GLuint width, GLuint height, gpointer data)
 {
     static GLfloat	xrot = 0;
     static GLfloat	yrot = 0;
     static GLfloat	zrot = 0;
     static GTimeVal current_time;
     static glong last_sec = current_time.tv_sec;
     static gint nbFrames = 0;

     g_get_current_time (&current_time);
     nbFrames++ ;

     if ((current_time.tv_sec - last_sec) >= 1)
     {
         std::cout << "GRPHIC FPS = " << nbFrames << std::endl;
         nbFrames = 0;
         last_sec = current_time.tv_sec;
     }

     glEnable(GL_DEPTH_TEST);

     glEnable (GL_TEXTURE_2D);
     glBindTexture (GL_TEXTURE_2D, texture);
     glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
     glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
     glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
     glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glMatrixMode(GL_MODELVIEW);
     glLoadIdentity();

     glTranslatef(0.0f,0.0f,-5.0f);

     glRotatef(xrot,1.0f,0.0f,0.0f);
     glRotatef(yrot,0.0f,1.0f,0.0f);
     glRotatef(zrot,0.0f,0.0f,1.0f);

     //cube
     glBegin(GL_QUADS);
 	      // Front Face
 	      glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
 	      glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
 	      glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
 	      glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
 	      // Back Face
 	      glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
 	      glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
 	      glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
 	      glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
 	      // Top Face
 	      glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
 	      glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
 	      glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
 	      glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
 	      // Bottom Face
 	      glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
 	      glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
 	      glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
 	      glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
 	      // Right face
 	      glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
 	      glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f,  1.0f, -1.0f);
 	      glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f,  1.0f,  1.0f);
 	      glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f,  1.0f);
 	      // Left Face
 	      glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
 	      glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f,  1.0f);
 	      glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,  1.0f,  1.0f);
 	      glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f,  1.0f, -1.0f);
     glEnd();

     xrot+=0.3f;
     yrot+=0.2f;
     zrot+=0.4f;

     //return TRUE because we dealt with the texture
     return TRUE;
 }


 //equivalent command line:
 //gst-launch-1.0 videotestsrc num_buffers=400 ! gleffects effect=0 !
 //avenc_mpeg4 ! avimux ! filesink location="record.avi"
 // or
 //gst-launch-1.0 videotestsrc num_buffers=400 ! gleffects effect=0 ! "video/x-raw, width=320, height=240" ! glfiltercube ! "video/x-raw, width=720, height=576" !
 //avenc_mpeg4 ! avimux ! filesink location="record.avi"
 gint main (gint argc, gchar *argv[])
 {
     GstStateChangeReturn ret;
     GstElement *pipeline, *videosrc, *glfilterapp, *avenc_mpeg4, *avimux, *filesink;
     GMainLoop *loop;
     GstBus *bus;

     /* initialization */
     gst_init (&argc, &argv);
     loop = g_main_loop_new (NULL, FALSE);

     /* create elements */
     pipeline = gst_pipeline_new ("pipeline");

     /* watch for messages on the pipeline's bus (note that this will only
      * work like this when a GLib main loop is running) */
     bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
     gst_bus_add_watch (bus, bus_call, loop);
     gst_object_unref (bus);

     /* create elements */
     videosrc = gst_element_factory_make ("videotestsrc", "videotestsrc0");
     glfilterapp = gst_element_factory_make ("glfilterapp", "glfilterapp0");
     avenc_mpeg4  = gst_element_factory_make ("avenc_mpeg4", "avenc_mpeg40");
     avimux  = gst_element_factory_make ("avimux", "avimux0");
     filesink  = gst_element_factory_make ("filesink", "filesink0");


     if (!videosrc || !glfilterapp || !avenc_mpeg4 || !avimux || !filesink)
     {
         g_print ("one element could not be found \n");
         return -1;
     }

     /* change video source caps */
     GstCaps *caps = gst_caps_new_simple("video/x-raw",
                                         "format", G_TYPE_STRING, "UYVY",
                                         "width", G_TYPE_INT, 320,
                                         "height", G_TYPE_INT, 240,
                                         "framerate", GST_TYPE_FRACTION, 25, 1,
                                         NULL);

     /* change video source caps */
     GstCaps *outcaps = gst_caps_new_simple("video/x-raw",
                                            "width", G_TYPE_INT, 640,
                                            "height", G_TYPE_INT, 480,
                                            NULL);

     /* configure elements */
     g_object_set(G_OBJECT(videosrc), "num-buffers", 400, NULL);
     g_signal_connect(G_OBJECT(glfilterapp), "client-draw", G_CALLBACK (drawCallback), NULL);
     g_object_set(G_OBJECT(filesink), "location", "record.avi", NULL);

     /* add elements */
     gst_bin_add_many (GST_BIN (pipeline), videosrc, glfilterapp,
         avenc_mpeg4, avimux, filesink, NULL);

     /* link elements */
     gboolean link_ok = gst_element_link_filtered(videosrc, glfilterapp, caps) ;
     gst_caps_unref(caps) ;
     if(!link_ok)
     {
         g_warning("Failed to link videosrc to glfilterapp!\n") ;
         return -1 ;
     }

     link_ok = gst_element_link_filtered(glfilterapp, avenc_mpeg4, outcaps) ;
     gst_caps_unref(outcaps) ;
     if(!link_ok)
     {
         g_warning("Failed to link glfilterapp to avenc_mpeg4!\n") ;
         return -1 ;
     }
     if (!gst_element_link_many(avenc_mpeg4, avimux, filesink, NULL))
     {
         g_print ("Failed to link one or more elements!\n");
         return -1;
     }


     /* run */
     ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
     if (ret == GST_STATE_CHANGE_FAILURE)
     {
         g_print ("Failed to start up pipeline!\n");

         /* check if there is an error message with details on the bus */
         GstMessage* msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
         if (msg)
         {
           GError *err = NULL;

           gst_message_parse_error (msg, &err, NULL);
           g_print ("ERROR: %s\n", err->message);
           g_error_free (err);
           gst_message_unref (msg);
         }
         return -1;
     }

     g_main_loop_run (loop);

     /* clean up */
     gst_element_set_state (pipeline, GST_STATE_NULL);
     gst_object_unref (pipeline);

     return 0;
 }
	/*
	* GStreamer
	* Copyright (C) 2008-2009 Julien Isorce <julien.isorce@gmail.com>
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Library General Public
	* License as published by the Free Software Foundation; either
	* version 2 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Library General Public License for more details.
	*
	* You should have received a copy of the GNU Library General Public
	* License along with this library; if not, write to the
	* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
	* Boston, MA 02110-1301, USA.
	*/

	#include <GL/gl.h>
	#if __WIN32__ \|\| _WIN32
	# include <GL/glext.h>
	#endif
	#include <gst/gst.h>
	#include <gst/video/video.h>

	#include <iostream>
	#include <string>

	static gboolean bus_call (GstBus bus, GstMessage msg, gpointer data)
	{
	GMainLoop loop = (GMainLoop)data;

	switch (GST_MESSAGE_TYPE (msg))
	{
	case GST_MESSAGE_EOS:
	g_print ("End-of-stream\n");
	g_main_loop_quit (loop);
	break;
	case GST_MESSAGE_ERROR:
	{
	gchar *debug = NULL;
	GError *err = NULL;

	gst_message_parse_error (msg, &err, &debug);

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

	if (debug)
	{
	g_print ("Debug details: %s\n", debug);
	g_free (debug);
	}

	g_main_loop_quit (loop);
	break;
	}
	default:
	break;
	}

	return TRUE;
	}

	//client draw callback
	static gboolean drawCallback (void filter, void context, GLuint texture, GLuint width, GLuint height, gpointer data)
	{
	static GLfloat xrot = 0;
	static GLfloat yrot = 0;
	static GLfloat zrot = 0;
	static GTimeVal current_time;
	static glong last_sec = current_time.tv_sec;
	static gint nbFrames = 0;

	g_get_current_time (&current_time);
	nbFrames++ ;

	if ((current_time.tv_sec - last_sec) >= 1)
	{
	std::cout << "GRPHIC FPS = " << nbFrames << std::endl;
	nbFrames = 0;
	last_sec = current_time.tv_sec;
	}

	glEnable(GL_DEPTH_TEST);

	glEnable (GL_TEXTURE_2D);
	glBindTexture (GL_TEXTURE_2D, texture);
	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

	glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
	glMatrixMode(GL_MODELVIEW);
	glLoadIdentity();

	glTranslatef(0.0f,0.0f,-5.0f);

	glRotatef(xrot,1.0f,0.0f,0.0f);
	glRotatef(yrot,0.0f,1.0f,0.0f);
	glRotatef(zrot,0.0f,0.0f,1.0f);

	//cube
	glBegin(GL_QUADS);
	// Front Face
	glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
	glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
	glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
	glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
	// Back Face
	glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
	glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
	glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
	glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
	// Top Face
	glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
	glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
	glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
	glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
	// Bottom Face
	glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
	glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
	glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
	glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
	// Right face
	glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
	glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
	glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
	glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
	// Left Face
	glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
	glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
	glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
	glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
	glEnd();

	xrot+=0.3f;
	yrot+=0.2f;
	zrot+=0.4f;

	//return TRUE because we dealt with the texture
	return TRUE;
	}


	//equivalent command line:
	//gst-launch-1.0 videotestsrc num_buffers=400 ! gleffects effect=0 !
	//avenc_mpeg4 ! avimux ! filesink location="record.avi"
	// or
	//gst-launch-1.0 videotestsrc num_buffers=400 ! gleffects effect=0 ! "video/x-raw, width=320, height=240" ! glfiltercube ! "video/x-raw, width=720, height=576" !
	//avenc_mpeg4 ! avimux ! filesink location="record.avi"
	gint main (gint argc, gchar *argv[])
	{
	GstStateChangeReturn ret;
	GstElement pipeline, videosrc, glfilterapp, avenc_mpeg4, avimux, filesink;
	GMainLoop *loop;
	GstBus *bus;

	/* initialization */
	gst_init (&argc, &argv);
	loop = g_main_loop_new (NULL, FALSE);

	/* create elements */
	pipeline = gst_pipeline_new ("pipeline");

	/* watch for messages on the pipeline's bus (note that this will only
	* work like this when a GLib main loop is running) */
	bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
	gst_bus_add_watch (bus, bus_call, loop);
	gst_object_unref (bus);

	/* create elements */
	videosrc = gst_element_factory_make ("videotestsrc", "videotestsrc0");
	glfilterapp = gst_element_factory_make ("glfilterapp", "glfilterapp0");
	avenc_mpeg4 = gst_element_factory_make ("avenc_mpeg4", "avenc_mpeg40");
	avimux = gst_element_factory_make ("avimux", "avimux0");
	filesink = gst_element_factory_make ("filesink", "filesink0");


	if (!videosrc \|\| !glfilterapp \|\| !avenc_mpeg4 \|\| !avimux \|\| !filesink)
	{
	g_print ("one element could not be found \n");
	return -1;
	}

	/* change video source caps */
	GstCaps *caps = gst_caps_new_simple("video/x-raw",
	"format", G_TYPE_STRING, "UYVY",
	"width", G_TYPE_INT, 320,
	"height", G_TYPE_INT, 240,
	"framerate", GST_TYPE_FRACTION, 25, 1,
	NULL);

	/* change video source caps */
	GstCaps *outcaps = gst_caps_new_simple("video/x-raw",
	"width", G_TYPE_INT, 640,
	"height", G_TYPE_INT, 480,
	NULL);

	/* configure elements */
	g_object_set(G_OBJECT(videosrc), "num-buffers", 400, NULL);
	g_signal_connect(G_OBJECT(glfilterapp), "client-draw", G_CALLBACK (drawCallback), NULL);
	g_object_set(G_OBJECT(filesink), "location", "record.avi", NULL);

	/* add elements */
	gst_bin_add_many (GST_BIN (pipeline), videosrc, glfilterapp,
	avenc_mpeg4, avimux, filesink, NULL);

	/* link elements */
	gboolean link_ok = gst_element_link_filtered(videosrc, glfilterapp, caps) ;
	gst_caps_unref(caps) ;
	if(!link_ok)
	{
	g_warning("Failed to link videosrc to glfilterapp!\n") ;
	return -1 ;
	}

	link_ok = gst_element_link_filtered(glfilterapp, avenc_mpeg4, outcaps) ;
	gst_caps_unref(outcaps) ;
	if(!link_ok)
	{
	g_warning("Failed to link glfilterapp to avenc_mpeg4!\n") ;
	return -1 ;
	}
	if (!gst_element_link_many(avenc_mpeg4, avimux, filesink, NULL))
	{
	g_print ("Failed to link one or more elements!\n");
	return -1;
	}


	/* run */
	ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
	if (ret == GST_STATE_CHANGE_FAILURE)
	{
	g_print ("Failed to start up pipeline!\n");

	/* check if there is an error message with details on the bus */
	GstMessage* msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
	if (msg)
	{
	GError *err = NULL;

	gst_message_parse_error (msg, &err, NULL);
	g_print ("ERROR: %s\n", err->message);
	g_error_free (err);
	gst_message_unref (msg);
	}
	return -1;
	}

	g_main_loop_run (loop);

	/* clean up */
	gst_element_set_state (pipeline, GST_STATE_NULL);
	gst_object_unref (pipeline);

	return 0;
	}