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Diffstat (limited to 'sys/glsink/gstgl_rgbimage.c')
-rw-r--r--sys/glsink/gstgl_rgbimage.c381
1 files changed, 194 insertions, 187 deletions
diff --git a/sys/glsink/gstgl_rgbimage.c b/sys/glsink/gstgl_rgbimage.c
index ab856bbc..8c61e390 100644
--- a/sys/glsink/gstgl_rgbimage.c
+++ b/sys/glsink/gstgl_rgbimage.c
@@ -22,20 +22,21 @@
#include <GL/glx.h>
#include <GL/gl.h>
#include <GL/glu.h>
-#include <math.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 {
+struct _GstGLImageConnection
+{
GstImageConnection conn;
- Display *dpy; // the Xlib drawing context
- GLXContext ctx; // The GLX drawing context
+ Display *dpy; // the Xlib drawing context
+ GLXContext ctx; // The GLX drawing context
gint w, h;
gint bpp;
-
+
int rgbatex_id;
unsigned char *m_memory;
};
@@ -51,49 +52,56 @@ struct _GstGLImage
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 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};
+ 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)
+gst_gl_rgbimage_info (GstImageInfo * info)
{
- if (info == NULL || info->id != GST_MAKE_FOURCC ('X', 'l', 'i', 'b'))
- {
+ 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)
+gst_gl_rgbimage_connection (GstImageConnection * conn)
{
if (conn == NULL || conn->free_conn != gst_gl_rgbimage_free_conn)
- return NULL;
+ return NULL;
return (GstGLImageConnection *) conn;
}
GstCaps *
-gst_gl_rgbimage_get_caps (GstImageInfo *info)
+gst_gl_rgbimage_get_caps (GstImageInfo * info)
{
GstCaps *caps = NULL;
Visual *visual;
@@ -101,13 +109,15 @@ gst_gl_rgbimage_get_caps (GstImageInfo *info)
XWindowAttributes attrib;
XImage *ximage;
GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
-
- g_warning("rgbimage get caps called, context %p, endianness %d !\n", glXGetCurrentContext(), G_BIG_ENDIAN);
+
+ g_warning ("rgbimage get caps called, context %p, endianness %d !\n",
+ glXGetCurrentContext (), G_BIG_ENDIAN);
/* we don't handle this image information */
- if (xinfo == NULL) return NULL;
+ if (xinfo == NULL)
+ return NULL;
+
+ XGetWindowAttributes (xinfo->dpy, xinfo->win, &attrib);
- XGetWindowAttributes(xinfo->dpy, xinfo->win, &attrib);
-
visual = attrib.visual;
if (attrib.depth <= 8)
xpad = 8;
@@ -115,42 +125,37 @@ gst_gl_rgbimage_get_caps (GstImageInfo *info)
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);
+ 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/x-raw-rgb",
- "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
- "depth", GST_PROPS_INT(24),
- "bpp", 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_BIG_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)
- );
+ caps =
+ GST_CAPS_NEW ("forcing Video RGB", "video/x-raw-rgb", "format",
+ GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")), "depth", GST_PROPS_INT (24),
+ "bpp", 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_BIG_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);
}
-
+
printf ("GL_RGBImage: returning caps at %p", caps);
return caps;
}
-static GstImageConnection *
-gst_gl_rgbimage_set_caps (GstImageInfo *info, GstCaps *caps)
+static GstImageConnection *
+gst_gl_rgbimage_set_caps (GstImageInfo * info, GstCaps * caps)
{
- g_warning("in set_caps !\n");
+ g_warning ("in set_caps !\n");
GstGLImageConnection *new = NULL;
Visual *visual;
XWindowAttributes attrib;
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
+ GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
guint32 format;
gint depth;
gint endianness;
@@ -158,26 +163,25 @@ gst_gl_rgbimage_set_caps (GstImageInfo *info, GstCaps *caps)
gint width, height, bpp;
/* check if this is the right image info */
- if (xinfo == NULL) return NULL;
-
- XGetWindowAttributes(xinfo->dpy, xinfo->win, &attrib);
-
+ 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);
-
+ "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 (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;
@@ -185,7 +189,7 @@ gst_gl_rgbimage_set_caps (GstImageInfo *info, GstCaps *caps)
//if (green_mask != visual->green_mask) return NULL;
//if (blue_mask != visual->blue_mask) return NULL;
GST_DEBUG ("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;
@@ -195,34 +199,35 @@ gst_gl_rgbimage_set_caps (GstImageInfo *info, GstCaps *caps)
new->w = width;
new->h = height;
new->bpp = bpp;
-
+
return (GstImageConnection *) new;
}
static GstImageData *
-gst_gl_rgbimage_get_image (GstImageInfo *info, GstImageConnection *conn)
+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);
-
+ 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)
- {
+ 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)
- {
+ 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;
@@ -233,160 +238,162 @@ gst_gl_rgbimage_get_image (GstImageInfo *info, GstImageConnection *conn)
static void
-gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
+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;
+ 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);
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0.0, 0.0, -5.0);
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+ glTranslatef (0.0, 0.0, -5.0);
- glEnable(GL_TEXTURE_2D);
+ glEnable (GL_TEXTURE_2D);
- if (xinfo->info.demo)
- {
- glTranslatef(0.0, 0.0, -5.0); // make it avoid the clipping plane, zoom 2.0 instead
- glRotatef(180.0*sin(xinfo->rotX),1,0,0);
- glRotatef(180.0*cos(xinfo->rotY),0,1,0);
+ if (xinfo->info.demo) {
+ glTranslatef (0.0, 0.0, -5.0); // make it avoid the clipping plane, zoom 2.0 instead
+ 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);
+ xinfo->rotX += 0.01;
+ xinfo->rotY -= 0.015;
+ float zoom = xinfo->zoom;
- if (xinfo->zoom > 2.0)
- xinfo->zoomdir = -0.01;
+ glScalef (zoom, zoom, zoom);
- if (xinfo->zoom < 1.0)
- xinfo->zoomdir = 0.01;
+ if (xinfo->zoom > 2.0)
+ xinfo->zoomdir = -0.01;
- xinfo->zoom += xinfo->zoomdir;
- }
+ if (xinfo->zoom < 1.0)
+ 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_RGB,
- GL_UNSIGNED_BYTE, im->data.data);
- xmax = (float)im->conn->w/TEX_XSIZE;
- ymax = (float)im->conn->h/TEX_YSIZE;
+ glBindTexture (GL_TEXTURE_2D, im->conn->rgbatex_id);
+ glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, im->conn->w, im->conn->h, GL_RGB,
+ 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 aspect = img_width / (float) img_height;
float hor = aspect;
- glColor4f(1,1,1,1);
- glBegin(GL_QUADS);
-
- glNormal3f(0, -1, 0);
-
- glTexCoord2f(xmax, 0);
- glVertex3f(hor,1,0);
-
- glTexCoord2f(0, 0);
- glVertex3f(-hor,1,0);
-
- glTexCoord2f(0, ymax);
- glVertex3f(-hor,-1,0);
-
- glTexCoord2f(xmax, ymax);
- glVertex3f(hor,-1,0);
- 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++;
+ glColor4f (1, 1, 1, 1);
+ glBegin (GL_QUADS);
+
+ glNormal3f (0, -1, 0);
+
+ glTexCoord2f (xmax, 0);
+ glVertex3f (hor, 1, 0);
+
+ glTexCoord2f (0, 0);
+ glVertex3f (-hor, 1, 0);
+
+ glTexCoord2f (0, ymax);
+ glVertex3f (-hor, -1, 0);
+
+ glTexCoord2f (xmax, ymax);
+ glVertex3f (hor, -1, 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);
+ glXSwapBuffers (xinfo->dpy, xinfo->win);
}
void
-gst_gl_rgbimage_free_image (GstImageData *image)
+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_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)
+gst_gl_rgbimage_open_conn (GstImageConnection * conn, GstImageInfo * info)
{
- g_warning("Opening RGB Connection; classic OpenGL 1.2 renderer.");
+ 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);
+ 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)
+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);
- }
+ glDeleteTextures (1, &xconn->rgbatex_id);
+}
static void
-gst_gl_rgbimage_free_conn (GstImageConnection *conn)
+gst_gl_rgbimage_free_conn (GstImageConnection * conn)
{
GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
-
+
g_assert (xconn != NULL);
-
+
g_free (xconn);
}
-
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-09-03 03:20:45 +0000