mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 04:31:06 +00:00
[002/906] glsink with correct threading support
This commit is contained in:
madmac
Matthew Waters
parent
08c1bf4df8
commit
29e13787fe
6 changed files with 162 additions and 52 deletions
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@ -201,7 +201,9 @@ int CheckForARBMultitextureSupport(void) {
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int i, pos=0;
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int maxpos=strlen(search)-1;
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char extensions[10000];
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printf("Getting GLstring, context is %p\n", glXGetCurrentContext());
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strcpy(extensions,(const char *)glGetString(GL_EXTENSIONS));
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printf("Examinig GLstring\n");
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int len=strlen(extensions);
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for ( i=0; i<len; i++) {
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if ((i==0) || ((i>1) && extensions[i-1]==' ')) {
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@ -103,7 +103,7 @@ gboolean
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gst_gl_nvimage_check_xvideo ()
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{
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//int ver, rel, req, ev, err;
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printf("Checking NVidia OpenGL extensions.\n");
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if (!GL_ARB_multitexture_Init()) return FALSE;
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if (!GL_EXT_paletted_texture_Init()) return FALSE;
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if (!GL_NV_register_combiners_Init()) return FALSE;
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@ -127,9 +127,13 @@ gst_gl_nvimage_get_caps (GstImageInfo *info)
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GstCaps *caps = NULL;
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GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
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g_warning("nvimage get caps called !\n");
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g_warning("nvimage get caps called, context %p !\n", glXGetCurrentContext());
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/* we don't handle these image information */
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if (xinfo == NULL) return NULL;
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if (xinfo == NULL)
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{
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printf("Invalid XInfo struct !\n");
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return NULL;
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}
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if (gst_gl_nvimage_check_xvideo () == FALSE)
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{
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@ -138,7 +142,7 @@ gst_gl_nvimage_get_caps (GstImageInfo *info)
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}
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caps = gst_caps_append (caps, GST_CAPS_NEW (
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"xvimage_caps",
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"nvimage_caps",
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"video/x-raw-yuv",
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"format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y', 'V', '1', '2')),
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"width", GST_PROPS_INT_RANGE (0, 1024),
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@ -201,7 +205,7 @@ gst_gl_nvimage_get_image (GstImageInfo *info, GstImageConnection *conn)
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if (nvconn == NULL) return NULL;
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// I should also check the current GLX context !
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// Ah, Don't have to, I am guarantueed to always be in the same thread
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// Ah, Don't have to, I am guarantueed to be in the same thread as put_image
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image = g_new0(GstNvImage, 1);
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@ -242,16 +246,19 @@ gst_gl_nvimage_put_image (GstImageInfo *info, GstImageData *image)
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g_assert (xinfo != NULL);
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// both upload the video, and redraw the screen
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//glClearColor(0,0.5, 0.3,1.0); // a test color
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glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glTranslatef(0.0, 0.0, -25.0);
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glEnable(GL_TEXTURE_2D);
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glTranslatef(0.0, 0.0, -5.0);
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glDisable(GL_TEXTURE_2D);
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if (xinfo->info.demo)
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{
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//g_print("Putting image, context is %p\n", glXGetCurrentContext());
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glTranslatef(0.0, 0.0, -5.0); // make it avoid the clipping plane, zoom 2.0 instead
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glRotatef(180.0*sin(xinfo->rotX),1,0,0);
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glRotatef(180.0*cos(xinfo->rotY),0,1,0);
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@ -261,10 +268,10 @@ gst_gl_nvimage_put_image (GstImageInfo *info, GstImageData *image)
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glScalef(zoom,zoom,zoom);
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//glScalef(0.1,0.1,0.1);
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if (xinfo->zoom > 1.0)
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if (xinfo->zoom > 2.0)
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xinfo->zoomdir = -0.01;
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if (xinfo->zoom < 0.5)
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if (xinfo->zoom < 1.0)
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xinfo->zoomdir = 0.01;
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xinfo->zoom += xinfo->zoomdir;
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@ -289,28 +296,29 @@ gst_gl_nvimage_put_image (GstImageInfo *info, GstImageData *image)
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glBegin(GL_QUADS);
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float aspect = img_width/(float)img_height;
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float hor = 4 * aspect;
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float hor = aspect;
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//g_print("Drawing vertices, context is %p\n", glXGetCurrentContext());
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glNormal3f(0, -1, 0);
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glMultiTexCoord2fARB(GL_TEXTURE0_ARB,0,0);
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glMultiTexCoord2fARB(GL_TEXTURE1_ARB,0,0);
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glMultiTexCoord2fARB(GL_TEXTURE2_ARB,0,0);
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glVertex3f(-hor,4,0);
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glVertex3f(-hor,1,0);
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glMultiTexCoord2fARB(GL_TEXTURE0_ARB,0,ymax);
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glMultiTexCoord2fARB(GL_TEXTURE1_ARB,0,ymax);
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glMultiTexCoord2fARB(GL_TEXTURE2_ARB,0,ymax);
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glVertex3f(-hor,-4,0);
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glVertex3f(-hor,-1,0);
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glMultiTexCoord2fARB(GL_TEXTURE0_ARB,xmax,ymax);
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glMultiTexCoord2fARB(GL_TEXTURE1_ARB,xmax,ymax);
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glMultiTexCoord2fARB(GL_TEXTURE2_ARB,xmax,ymax);
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glVertex3f(hor,-4,0);
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glVertex3f(hor,-1,0);
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glMultiTexCoord2fARB(GL_TEXTURE0_ARB,xmax,0);
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glMultiTexCoord2fARB(GL_TEXTURE1_ARB,xmax,0);
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glMultiTexCoord2fARB(GL_TEXTURE2_ARB,xmax,0);
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glVertex3f(hor,4,0);
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glVertex3f(hor,1,0);
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glEnd();
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@ -339,7 +347,7 @@ gst_gl_nvimage_put_image (GstImageInfo *info, GstImageData *image)
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if (outfile != NULL)
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{
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fprintf(outfile, "P6\n");
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fprintf(outfile,"# created by raw_zb\n");
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fprintf(outfile,"# created by glsink from GStreamer\n");
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fprintf(outfile,"%d %d\n",img_width,img_height);
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fprintf(outfile,"255\n");
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fwrite(cap_image_data2, sizeof(char), img_width*img_height*3, outfile);
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@ -380,6 +388,7 @@ gst_gl_nvimage_open_conn (GstImageConnection *conn, GstImageInfo *info)
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Ywidth = TEX_XSIZE; Yheight = TEX_YSIZE; UVwidth = TEX_XSIZE/2; UVheight = TEX_YSIZE/2;
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Initialize_Backend(Ywidth,Yheight,UVwidth,UVheight,GL_LINEAR);
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}
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g_print("Done\n");
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}
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static void
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@ -98,6 +98,7 @@ gst_gl_rgbimage_get_caps (GstImageInfo *info)
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XImage *ximage;
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GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
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g_warning("rgbimage get caps called, context %p, endianness %d !\n", glXGetCurrentContext(), G_BIG_ENDIAN);
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/* we don't handle this image information */
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if (xinfo == NULL) return NULL;
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@ -122,9 +123,9 @@ gst_gl_rgbimage_get_caps (GstImageInfo *info)
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"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
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"depth", GST_PROPS_INT(24),
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"bpp", GST_PROPS_INT(24),
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"red_mask", GST_PROPS_INT(0xff0000),
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"red_mask", GST_PROPS_INT(0xff),
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"green_mask", GST_PROPS_INT(0xff00),
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"blue_mask", GST_PROPS_INT(0xff),
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"blue_mask", GST_PROPS_INT(0xff0000),
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"endianness", GST_PROPS_INT(G_BIG_ENDIAN), /*= 1234/4321 (INT) <- endianness */
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"width", GST_PROPS_INT_RANGE (0, TEX_XSIZE), /* can't have videos larger than TEX_SIZE */
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@ -133,7 +134,7 @@ gst_gl_rgbimage_get_caps (GstImageInfo *info)
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XDestroyImage (ximage);
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}
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GST_DEBUG ("GL_RGBImage: returning caps at %p", caps);
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printf ("GL_RGBImage: returning caps at %p", caps);
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return caps;
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}
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@ -245,13 +246,13 @@ gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glTranslatef(0.0, 0.0, -25.0);
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glTranslatef(0.0, 0.0, -5.0);
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glEnable(GL_TEXTURE_2D);
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if (xinfo->info.demo)
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{
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glTranslatef(0.0, 0.0, -5.0); // make it avoid the clipping plane, zoom 2.0 instead
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glRotatef(180.0*sin(xinfo->rotX),1,0,0);
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glRotatef(180.0*cos(xinfo->rotY),0,1,0);
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@ -259,12 +260,11 @@ gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
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xinfo->rotY -= 0.015;
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float zoom = xinfo->zoom;
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glScalef(zoom,zoom,zoom);
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//glScalef(0.1,0.1,0.1);
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if (xinfo->zoom > 1.0)
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if (xinfo->zoom > 2.0)
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xinfo->zoomdir = -0.01;
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if (xinfo->zoom < 0.5)
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if (xinfo->zoom < 1.0)
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xinfo->zoomdir = 0.01;
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xinfo->zoom += xinfo->zoomdir;
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@ -278,7 +278,7 @@ gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
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ymax = (float)im->conn->h/TEX_YSIZE;
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float aspect = img_width/(float)img_height;
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float hor = 4 * aspect;
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float hor = aspect;
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glColor4f(1,1,1,1);
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glBegin(GL_QUADS);
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@ -286,16 +286,16 @@ gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
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glNormal3f(0, -1, 0);
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glTexCoord2f(xmax, 0);
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glVertex3f(hor,4,0);
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glVertex3f(hor,1,0);
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glTexCoord2f(0, 0);
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glVertex3f(-hor,4,0);
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glVertex3f(-hor,1,0);
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glTexCoord2f(0, ymax);
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glVertex3f(-hor,-4,0);
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glVertex3f(-hor,-1,0);
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glTexCoord2f(xmax, ymax);
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glVertex3f(hor,-4,0);
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glVertex3f(hor,-1,0);
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glEnd();
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if (xinfo->info.dumpvideo)
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@ -17,6 +17,14 @@
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* Boston, MA 02111-1307, USA.
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*/
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/*
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<ds-work> your element belongs to a scheduler, which calls some functions from the same thread
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<ds-work> all the other functions could be called from any random thread
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<gernot> ds-work: which are the "some" function in that case ?
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<gernot> It is quite costly to do glXGetCurrentContext for every function call.
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<ds-work> _chain, -get, _loop
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*/
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#include <config.h>
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#include <string.h>
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@ -140,6 +148,8 @@ extern GstImagePlugin* get_gl_rgbimage_plugin (void);
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extern GstImagePlugin* get_gl_nvimage_plugin (void);
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/* default output */
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extern void gst_glxwindow_new (GstGLSink *sink);
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extern void gst_glxwindow_hook_context (GstImageInfo *info);
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extern void gst_glxwindow_unhook_context (GstImageInfo *info);
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static GstPadTemplate *sink_template;
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@ -258,8 +268,11 @@ gst_glsink_init (GstGLSink *sink)
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/* do initialization of default hook here */
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gst_glxwindow_new (sink);
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//printf("GLSink_init: Current context %p\n", glXGetCurrentContext());
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gst_glxwindow_unhook_context(sink->hook);
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}
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/** frees the temporary connection that tests the window system capabilities */
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static void
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gst_glsink_release_conn (GstGLSink *sink)
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{
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@ -357,16 +370,21 @@ gst_glsink_get_bufferpool (GstPad *pad)
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static gboolean
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gst_glsink_set_caps (GstGLSink *sink, GstCaps *caps)
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{
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//g_warning("in set caps!\n");
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g_warning("in glsink set caps!\n");
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printf("Getting GLstring, context is %p\n", glXGetCurrentContext());
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GList *list = ((GstGLSinkClass *) G_OBJECT_GET_CLASS (sink))->plugins;
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GstImageConnection *conn = NULL;
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while (list)
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{
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printf("AGetting GLstring, context is %p\n", glXGetCurrentContext());
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GstImagePlugin *plugin = (GstImagePlugin *) list->data;
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if ((conn = plugin->set_caps (sink->hook, caps)) != NULL)
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{
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gst_glsink_release_conn (sink);
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//gst_glsink_release_conn (sink);
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printf("BGetting GLstring, context is %p\n", glXGetCurrentContext());
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sink->conn = conn;
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printf("CGetting GLstring, context is %p\n", glXGetCurrentContext());
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sink->plugin = plugin;
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sink->conn->open_conn (sink->conn, sink->hook);
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return TRUE;
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@ -382,9 +400,9 @@ Link the input video sink internally.
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static GstPadLinkReturn
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gst_glsink_sinkconnect (GstPad *pad, GstCaps *caps)
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{
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fprintf(stderr, "in sinkconnect!\n");
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g_warning("in glsink sinkconnect!\n");
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GstGLSink *sink;
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guint32 fourcc, print_format;
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guint32 fourcc, print_format, result;
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sink = GST_GLSINK (gst_pad_get_parent (pad));
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@ -392,8 +410,12 @@ gst_glsink_sinkconnect (GstPad *pad, GstCaps *caps)
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if (!GST_CAPS_IS_FIXED (caps))
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return GST_PAD_LINK_DELAYED;
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gst_glxwindow_hook_context(sink->hook);
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/* try to set the caps on the output */
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if (gst_glsink_set_caps (sink, caps) == FALSE)
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result = gst_glsink_set_caps (sink, caps);
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gst_glxwindow_unhook_context(sink->hook);
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if (result == FALSE)
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{
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return GST_PAD_LINK_REFUSED;
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}
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@ -418,18 +440,20 @@ gst_glsink_sinkconnect (GstPad *pad, GstCaps *caps)
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static GstCaps *
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gst_glsink_getcaps (GstPad *pad, GstCaps *caps)
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{
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//g_warning("in get caps!\n");
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g_warning("in glsink get caps!\n");
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/* what is the "caps" parameter good for? */
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GstGLSink *sink = GST_GLSINK (gst_pad_get_parent (pad));
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GstCaps *ret = NULL;
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GList *list = ((GstGLSinkClass *) G_OBJECT_GET_CLASS (sink))->plugins;
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gst_glxwindow_hook_context(sink->hook);
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while (list)
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{
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ret = gst_caps_append (ret, ((GstImagePlugin *) list->data)->get_caps (sink->hook));
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list = g_list_next (list);
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}
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gst_glxwindow_unhook_context(sink->hook);
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return ret;
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}
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@ -446,9 +470,8 @@ gst_glsink_chain (GstPad *pad, GstData *_data)
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//g_warning("in glsink_chain!\n");
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GstBuffer *buf = GST_BUFFER (_data);
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GstGLSink *sink;
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//GstClockTime time = GST_BUFFER_TIMESTAMP (buf);
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GstBuffer *buffer;
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//static int frame_drops = 0;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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@ -469,6 +492,9 @@ gst_glsink_chain (GstPad *pad, GstData *_data)
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GST_BUFFER_TIMESTAMP (buf), GST_BUFFER_SIZE (buf));
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#if 0
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GstClockTime time = GST_BUFFER_TIMESTAMP (buf);
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static int frame_drops = 0;
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if (sink->clock && time != -1) {
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if (time < gst_clock_get_time(sink->clock))
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{
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@ -500,10 +526,55 @@ gst_glsink_chain (GstPad *pad, GstData *_data)
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if (!sink->muted)
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{
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if (glXGetCurrentContext() == NULL)
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{
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printf("Rehooking window !\n");
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gst_glxwindow_hook_context(sink->hook);
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#if 1
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GST_DEBUG("Initializing OpenGL parameters\n");
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/* initialize OpenGL drawing */
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_TEXTURE_2D);
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glClearDepth(1.0f);
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glClearColor(0, 0, 0, 0);
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glEnable(GL_AUTO_NORMAL); // let OpenGL generate the Normals
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glDisable(GL_BLEND);
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glDisable(GL_CULL_FACE);
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glPolygonMode(GL_FRONT, GL_FILL);
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glPolygonMode(GL_BACK, GL_FILL);
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glShadeModel(GL_SMOOTH);
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glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST);
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GstGLImageInfo *window = (GstGLImageInfo *)sink->hook;
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int w=window->width, h = window->height;
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glViewport(0, 0, (GLint) w, (GLint) h);
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glLoadIdentity();
|
||||
|
||||
GLfloat aspect = (GLfloat) w / (GLfloat) h;
|
||||
glFrustum(-aspect, aspect, -1.0, 1.0, 5.0, 500.0);
|
||||
|
||||
#endif
|
||||
gst_glxwindow_unhook_context(sink->hook);
|
||||
gst_glxwindow_hook_context(sink->hook);
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
#if 0
|
||||
sink->hook->free_info(sink->hook);
|
||||
printf("Reallocating window brutally !\n");
|
||||
gst_glxwindow_new(sink);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* free last_image, if any */
|
||||
if (sink->last_image != NULL)
|
||||
gst_buffer_unref (sink->last_image);
|
||||
if (sink->bufferpool && GST_BUFFER_BUFFERPOOL (buf) == sink->bufferpool) {
|
||||
|
||||
// awful hack ! But I currently have no other solution without changing the API
|
||||
sink->hook->demo = sink->demo;
|
||||
sink->hook->dumpvideo = sink->dumpvideo;
|
||||
|
|
@ -522,6 +593,8 @@ gst_glsink_chain (GstPad *pad, GstData *_data)
|
|||
sink->last_image = buffer;
|
||||
gst_buffer_unref (buf);
|
||||
}
|
||||
|
||||
//gst_glxwindow_unhook_context(sink->hook);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -687,12 +760,6 @@ plugin_init (GModule *module, GstPlugin *plugin)
|
|||
factory = gst_element_factory_new("glsink",GST_TYPE_GLSINK,
|
||||
&gst_glsink_details);
|
||||
|
||||
if (factory == NULL)
|
||||
{
|
||||
g_warning("DANGER; WILL !\n");
|
||||
}
|
||||
|
||||
g_warning("INIT GST_LITTLE_ENDIAN %d!\n", G_LITTLE_ENDIAN);
|
||||
g_return_val_if_fail(factory != NULL, FALSE);
|
||||
|
||||
/* this is needed later on in the _real_ init (during a gst-launch) */
|
||||
|
|
|
|||
|
|
@ -44,6 +44,38 @@ GLfloat LightDiffuse[] = { 0.6, 0.6, 0.6, 1.0 }; /* bluish diffuse light. */
|
|||
GLfloat LightPosition[] = { 1.5, 1.5, 1.5, 0.0 }; /* position */
|
||||
|
||||
|
||||
void
|
||||
gst_glxwindow_unhook_context(GstImageInfo *info)
|
||||
{
|
||||
GstGLImageInfo *window = (GstGLImageInfo *) info;
|
||||
|
||||
if (window->ctx)
|
||||
{
|
||||
if (!glXMakeCurrent(window->dpy, None, NULL))
|
||||
{
|
||||
printf("Could not release drawing context.\n");
|
||||
}
|
||||
else
|
||||
printf("Released drawing context.\n");
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
gst_glxwindow_hook_context(GstImageInfo *info)
|
||||
{
|
||||
GstGLImageInfo *window = (GstGLImageInfo *) info;
|
||||
|
||||
if (window->ctx && window->win && window->ctx)
|
||||
{
|
||||
if (!glXMakeCurrent(window->dpy, window->win, window->ctx))
|
||||
{
|
||||
printf("Could not acquire GLX drawing context.\n");
|
||||
}
|
||||
else
|
||||
printf("Acquired drawing context.\n");
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_glxwindow_free (GstImageInfo *info)
|
||||
{
|
||||
|
|
@ -92,7 +124,7 @@ gst_glxwindow_callback(GObject *object, GParamSpec *pspec, GstGLImageInfo *data)
|
|||
XMapRaised (data->dpy, data->win);
|
||||
|
||||
// resize OpenGL
|
||||
//g_warning("resizing in OpenGL");
|
||||
g_warning("resizing in OpenGL");
|
||||
glViewport(0, 0, (GLint) w, (GLint) h);
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glLoadIdentity();
|
||||
|
|
@ -205,7 +237,7 @@ gst_glxwindow_new (GstElement *sink)
|
|||
else
|
||||
GST_DEBUG ("Sorry, no Direct Rendering possible!\n");
|
||||
|
||||
GST_DEBUG("Initializing OpenGL parameters\n");
|
||||
g_warning("Initializing OpenGL parameters\n");
|
||||
/* initialize OpenGL drawing */
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
//glShadeModel(GL_SMOOTH);
|
||||
|
|
|
|||
|
|
@ -325,9 +325,9 @@ void LoadYUVPlanes(GLuint Yhandle, GLuint Uhandle, GLuint Vhandle,
|
|||
void Initialize_Backend(unsigned int Ywidth, unsigned int Yheight, unsigned int UVwidth, unsigned int UVheight, GLenum filter)
|
||||
{
|
||||
printf("Reinitializing register combiner backend with res %d x %d!\n", Ywidth, Yheight);
|
||||
if (!GL_ARB_multitexture_Init()) exit(0);
|
||||
if (!GL_EXT_paletted_texture_Init()) exit(0);
|
||||
if (!GL_NV_register_combiners_Init()) exit(0);
|
||||
//if (!GL_ARB_multitexture_Init()) exit(0);
|
||||
//if (!GL_EXT_paletted_texture_Init()) exit(0);
|
||||
//if (!GL_NV_register_combiners_Init()) exit(0);
|
||||
unsigned char Ypal[768];
|
||||
unsigned char Upal[768];
|
||||
unsigned char Vpal[768];
|
||||
|
|
|
|||
Loading…
Reference in a new issue