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Diffstat (limited to 'sys/glsink/gstgl_rgbimage.c')
-rw-r--r--sys/glsink/gstgl_rgbimage.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/sys/glsink/gstgl_rgbimage.c b/sys/glsink/gstgl_rgbimage.c
deleted file mode 100644
index 7f57c8bc..00000000
--- a/sys/glsink/gstgl_rgbimage.c
+++ /dev/null
@@ -1,385 +0,0 @@
-#include <gst/gst.h>
-
-/* gcc -ansi -pedantic on GNU/Linux causes warnings and errors
- * unless this is defined:
- * warning: #warning "Files using this header must be compiled with _SVID_SOURCE or _XOPEN_SOURCE"
- */
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 1
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <GL/glx.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
-#include <math.h>
-
-#include "gstglsink.h"
-
-typedef struct _GstGLImageConnection GstGLImageConnection;
-
-// this contains everything to draw an image, including all necessary graphics card data.
-struct _GstGLImageConnection {
- GstImageConnection conn;
- Display *dpy; // the Xlib drawing context
- GLXContext ctx; // The GLX drawing context
- gint w, h;
- gint bpp;
-
- int rgbatex_id;
- unsigned char *m_memory;
-};
-
-#define TEX_XSIZE 1024
-#define TEX_YSIZE 1024
-
-
-typedef struct _GstGLImage GstGLImage;
-struct _GstGLImage
-{
- GstImageData data;
- GstGLImageConnection *conn;
-};
-
-static GstGLImageInfo * gst_gl_rgbimage_info (GstImageInfo *info);
-static GstGLImageConnection * gst_gl_rgbimage_connection (GstImageConnection *conn);
-
-static GstCaps * gst_gl_rgbimage_get_caps (GstImageInfo *info);
-static GstImageConnection * gst_gl_rgbimage_set_caps (GstImageInfo *info, GstCaps *caps);
-static GstImageData * gst_gl_rgbimage_get_image (GstImageInfo *info, GstImageConnection *conn);
-static void gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image);
-static void gst_gl_rgbimage_free_image (GstImageData *image);
-static void gst_gl_rgbimage_open_conn (GstImageConnection *conn, GstImageInfo *info);
-static void gst_gl_rgbimage_close_conn (GstImageConnection *conn, GstImageInfo *info);
-static void gst_gl_rgbimage_free_conn (GstImageConnection *conn);
-
-GstImagePlugin* get_gl_rgbimage_plugin(void)
-{
- static GstImagePlugin plugin = { gst_gl_rgbimage_get_caps,
- gst_gl_rgbimage_set_caps,
- gst_gl_rgbimage_get_image,
- gst_gl_rgbimage_put_image,
- gst_gl_rgbimage_free_image};
-
- return &plugin;
-}
-
-static GstGLImageInfo *
-gst_gl_rgbimage_info (GstImageInfo *info)
-{
- if (info == NULL || info->id != GST_MAKE_FOURCC ('X', 'l', 'i', 'b'))
- {
- return NULL;
- }
- return (GstGLImageInfo *) info;
-}
-
-static GstGLImageConnection *
-gst_gl_rgbimage_connection (GstImageConnection *conn)
-{
- if (conn == NULL || conn->free_conn != gst_gl_rgbimage_free_conn)
- return NULL;
- return (GstGLImageConnection *) conn;
-}
-
-GstCaps *
-gst_gl_rgbimage_get_caps (GstImageInfo *info)
-{
- GstCaps *caps = NULL;
- Visual *visual;
- int xpad;
- XWindowAttributes attrib;
- XImage *ximage;
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
-
- /* we don't handle this image information */
- if (xinfo == NULL) return NULL;
-
- XGetWindowAttributes(xinfo->dpy, xinfo->win, &attrib);
-
- visual = attrib.visual;
- if (attrib.depth <= 8)
- xpad = 8;
- else if (attrib.depth <= 16)
- xpad = 16;
- else
- xpad = 32;
-
- // create a temporary image
- ximage = XCreateImage (xinfo->dpy, visual, attrib.depth, ZPixmap, 0, NULL,
- 100, 100, xpad, (attrib.depth + 7) / 8 * 100);
- if (ximage != NULL) {
- caps =
- GST_CAPS_NEW (
- "forcing Video RGB",
- "video/raw",
- "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
- "bpp", GST_PROPS_INT(32),
- "depth", GST_PROPS_INT(24),
- "red_mask", GST_PROPS_INT(0xff),
- "green_mask", GST_PROPS_INT(0xff00),
- "blue_mask", GST_PROPS_INT(0xff0000),
- "endianness", GST_PROPS_INT(G_LITTLE_ENDIAN), /*= 1234/4321 (INT) <- endianness */
-
- "width", GST_PROPS_INT_RANGE (0, TEX_XSIZE), /* can't have videos larger than TEX_SIZE */
- "height", GST_PROPS_INT_RANGE (0, TEX_YSIZE)
- );
- XDestroyImage (ximage);
- }
-
- GST_DEBUG (GST_CAT_PLUGIN_INFO, "GL_RGBImage: returning caps at %p", caps);
- return caps;
-}
-
-static GstImageConnection *
-gst_gl_rgbimage_set_caps (GstImageInfo *info, GstCaps *caps)
-{
- GstGLImageConnection *new = NULL;
- Visual *visual;
- XWindowAttributes attrib;
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
- guint32 format;
- gint depth;
- gint endianness;
- gint red_mask, green_mask, blue_mask;
- gint width, height, bpp;
-
- /* check if this is the right image info */
- if (xinfo == NULL) return NULL;
-
- XGetWindowAttributes(xinfo->dpy, xinfo->win, &attrib);
-
- visual = attrib.visual;
-
- gst_caps_get (caps,
- "format", &format,
- "depth", &depth,
- "endianness", &endianness,
- "red_mask", &red_mask,
- "green_mask", &green_mask,
- "blue_mask", &blue_mask,
- "width", &width,
- "height", &height,
- "bpp", &bpp,
- NULL);
-
- /* check if the caps are ok */
- if (format != GST_MAKE_FOURCC ('R', 'G', 'B', ' ')) return NULL;
- /* if (gst_caps_get_int (caps, "bpp") != ???) return NULL; */
- //if (depth != attrib.depth) return NULL;
- //if (endianness != ((ImageByteOrder (xinfo->dpy) == LSBFirst) ? G_LITTLE_ENDIAN : G_BIG_ENDIAN)) return NULL;
- //if (red_mask != visual->red_mask) return NULL;
- //if (green_mask != visual->green_mask) return NULL;
- //if (blue_mask != visual->blue_mask) return NULL;
- GST_DEBUG (GST_CAT_PLUGIN_INFO, "GL_RGBImage: caps %p are ok, creating image", caps);
-
- new = g_new (GstGLImageConnection, 1);
- new->conn.open_conn = gst_gl_rgbimage_open_conn;
- new->conn.close_conn = gst_gl_rgbimage_close_conn;
- new->conn.free_conn = gst_gl_rgbimage_free_conn;
- new->dpy = xinfo->dpy;
- new->ctx = xinfo->ctx;
- new->w = width;
- new->h = height;
- new->bpp = bpp;
-
- return (GstImageConnection *) new;
-}
-
-static GstImageData *
-gst_gl_rgbimage_get_image (GstImageInfo *info, GstImageConnection *conn)
-{
- GstGLImage *image;
- XWindowAttributes attrib;
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
- GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
-
- image = g_new (GstGLImage, 1);
-
- /* checks */
- if (xinfo == NULL) return NULL;
- if (xconn == NULL) return NULL;
- if (xinfo->dpy != xconn->dpy)
- {
- g_warning ("XImage: wrong x display specified in 'get_image'\n");
- return NULL;
- }
-
- image->conn = xconn;
- image->data.size = xconn->w * xconn->h * 4;
- image->data.data = g_malloc(image->data.size);
- if (image->data.data == NULL)
- {
- g_warning ("GL_RGBImage: data allocation failed!");
- g_free (image);
- return NULL;
- }
-
- return (GstImageData *) image;
-}
-
-
-static void
-gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
-{
- float xmax, ymax;
-
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
- GstGLImage *im = (GstGLImage *) image;
-
- int img_width = im->conn->w;
- int img_height = im->conn->h;
-
- g_assert (xinfo != NULL);
-
- // both upload the video, and redraw the screen
- glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
-
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0.0, 0.0, -25.0);
-
- glEnable(GL_TEXTURE_2D);
-
- if (xinfo->info.demo)
- {
-
- glRotatef(180.0*sin(xinfo->rotX),1,0,0);
- glRotatef(180.0*cos(xinfo->rotY),0,1,0);
-
- xinfo->rotX += 0.01;
- xinfo->rotY -= 0.015;
- float zoom = xinfo->zoom;
- glScalef(zoom,zoom,zoom);
- //glScalef(0.1,0.1,0.1);
-
- if (xinfo->zoom > 1.0)
- xinfo->zoomdir = -0.01;
-
- if (xinfo->zoom < 0.5)
- xinfo->zoomdir = 0.01;
-
- xinfo->zoom += xinfo->zoomdir;
- }
-
- //Draws the surface rectangle
- glBindTexture(GL_TEXTURE_2D, im->conn->rgbatex_id);
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, im->conn->w, im->conn->h, GL_RGBA,
- GL_UNSIGNED_BYTE, im->data.data);
- xmax = (float)im->conn->w/TEX_XSIZE;
- ymax = (float)im->conn->h/TEX_YSIZE;
-
- float aspect = img_width/(float)img_height;
- float hor = 4 * aspect;
-
- glColor4f(1,1,1,1);
- glBegin(GL_QUADS);
-
- glNormal3f(0, -1, 0);
-
- glTexCoord2f(xmax, 0);
- glVertex3f(hor,4,0);
-
- glTexCoord2f(0, 0);
- glVertex3f(-hor,4,0);
-
- glTexCoord2f(0, ymax);
- glVertex3f(-hor,-4,0);
-
- glTexCoord2f(xmax, ymax);
- glVertex3f(hor,-4,0);
- glEnd();
-
- if (xinfo->info.dumpvideo)
- {
- static int framenr = 0;
- char capfilename[255];
- static guint8 *cap_image_data = NULL, *cap_image_data2 = NULL;
- int i;
-
- // hmmmm, is this reentrant ?!
- if (cap_image_data == NULL)
- cap_image_data = (guint8 *)malloc(img_width * img_height * 3);
-
- if (cap_image_data2 == NULL)
- cap_image_data2 = (guint8 *)malloc(img_width * img_height * 3);
-
- printf("Recording frame #%d\n", framenr);
- glReadPixels(0,0,img_width,img_height,GL_RGB,GL_UNSIGNED_BYTE,cap_image_data);
- // invert the pixels
- for (i = 0; i < img_height; i++)
- memcpy(cap_image_data2 + i * img_width * 3, cap_image_data + (img_height-1-i) * img_width * 3, img_width*3);
-
- sprintf(capfilename, "cap%04d.ppm", framenr);
- FILE *outfile = fopen(capfilename, "wb");
- if (outfile != NULL)
- {
- fprintf(outfile, "P6\n");
- fprintf(outfile,"# created by raw_zb\n");
- fprintf(outfile,"%d %d\n",img_width,img_height);
- fprintf(outfile,"255\n");
- fwrite(cap_image_data2, sizeof(char), img_width*img_height*3, outfile);
- fclose(outfile);
- }
- framenr++;
- }
-
- glXSwapBuffers(xinfo->dpy, xinfo->win);
-}
-
-void
-gst_gl_rgbimage_free_image (GstImageData *image)
-{
- GstGLImage *im = (GstGLImage *) image;
-
- g_warning ("gst_gl_rgbimage_free_image doesn't do anything yet -> freeing image\n");
- g_free (im->data.data);
- g_free (im);
-}
-
-/* Creates an OpenGL texture to upload the picture over */
-static void
-gst_gl_rgbimage_open_conn (GstImageConnection *conn, GstImageInfo *info)
-{
- g_warning("Opening RGB Connection; classic OpenGL 1.2 renderer.");
-
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
- GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
-
- glGenTextures(1, &xconn->rgbatex_id);
- glBindTexture(GL_TEXTURE_2D, xconn->rgbatex_id);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- 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_REPEAT);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEX_XSIZE, TEX_YSIZE, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
-}
-
-/* Deletes the creates OpenGL textures */
-static void
-gst_gl_rgbimage_close_conn (GstImageConnection *conn, GstImageInfo *info)
-{
- GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
-
- glDeleteTextures(1, &xconn->rgbatex_id);
- }
-
-static void
-gst_gl_rgbimage_free_conn (GstImageConnection *conn)
-{
- GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
-
- g_assert (xconn != NULL);
-
- g_free (xconn);
-}
-
-
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