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[002/906] glsink with correct threading support

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madmac 2003-10-31 16:40:20 +00:00 committed by Matthew Waters
parent 08c1bf4df8
commit 29e13787fe
6 changed files with 162 additions and 52 deletions
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2
gst/gl/ARB_multitexture.h
View file

@ -201,7 +201,9 @@ int CheckForARBMultitextureSupport(void) {
int i, pos=0; int i, pos=0;
int maxpos=strlen(search)-1; int maxpos=strlen(search)-1;
char extensions[10000]; char extensions[10000];
printf("Getting GLstring, context is %p\n", glXGetCurrentContext());
strcpy(extensions,(const char *)glGetString(GL_EXTENSIONS)); strcpy(extensions,(const char *)glGetString(GL_EXTENSIONS));
printf("Examinig GLstring\n");
int len=strlen(extensions); int len=strlen(extensions);
for ( i=0; i<len; i++) { for ( i=0; i<len; i++) {
if ((i==0) || ((i>1) && extensions[i-1]==' ')) { if ((i==0) || ((i>1) && extensions[i-1]==' ')) {

39
gst/gl/gstgl_nvimage.c
View file

@ -103,7 +103,7 @@ gboolean
gst_gl_nvimage_check_xvideo () gst_gl_nvimage_check_xvideo ()
{ {
//int ver, rel, req, ev, err; //int ver, rel, req, ev, err;
printf("Checking NVidia OpenGL extensions.\n");
if (!GL_ARB_multitexture_Init()) return FALSE; if (!GL_ARB_multitexture_Init()) return FALSE;
if (!GL_EXT_paletted_texture_Init()) return FALSE; if (!GL_EXT_paletted_texture_Init()) return FALSE;
if (!GL_NV_register_combiners_Init()) return FALSE; if (!GL_NV_register_combiners_Init()) return FALSE;
@ -127,9 +127,13 @@ gst_gl_nvimage_get_caps (GstImageInfo *info)
GstCaps *caps = NULL; GstCaps *caps = NULL;
GstGLImageInfo *xinfo = gst_gl_nvimage_info (info); GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
g_warning("nvimage get caps called !\n"); g_warning("nvimage get caps called, context %p !\n", glXGetCurrentContext());
/* we don't handle these image information */ /* we don't handle these image information */
if (xinfo == NULL) return NULL; if (xinfo == NULL)
{
printf("Invalid XInfo struct !\n");
return NULL;
}
if (gst_gl_nvimage_check_xvideo () == FALSE) if (gst_gl_nvimage_check_xvideo () == FALSE)
{ {
@ -138,7 +142,7 @@ gst_gl_nvimage_get_caps (GstImageInfo *info)
} }
caps = gst_caps_append (caps, GST_CAPS_NEW ( caps = gst_caps_append (caps, GST_CAPS_NEW (
"xvimage_caps", "nvimage_caps",
"video/x-raw-yuv", "video/x-raw-yuv",
"format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y', 'V', '1', '2')), "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y', 'V', '1', '2')),
"width", GST_PROPS_INT_RANGE (0, 1024), "width", GST_PROPS_INT_RANGE (0, 1024),
@ -201,7 +205,7 @@ gst_gl_nvimage_get_image (GstImageInfo *info, GstImageConnection *conn)
if (nvconn == NULL) return NULL; if (nvconn == NULL) return NULL;
// I should also check the current GLX context ! // I should also check the current GLX context !
// Ah, Don't have to, I am guarantueed to always be in the same thread // Ah, Don't have to, I am guarantueed to be in the same thread as put_image
image = g_new0(GstNvImage, 1); image = g_new0(GstNvImage, 1);
@ -242,16 +246,19 @@ gst_gl_nvimage_put_image (GstImageInfo *info, GstImageData *image)
g_assert (xinfo != NULL); g_assert (xinfo != NULL);
// both upload the video, and redraw the screen // both upload the video, and redraw the screen
//glClearColor(0,0.5, 0.3,1.0); // a test color
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glLoadIdentity(); glLoadIdentity();
glTranslatef(0.0, 0.0, -25.0); glTranslatef(0.0, 0.0, -5.0);
glEnable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
if (xinfo->info.demo) if (xinfo->info.demo)
{ {
//g_print("Putting image, context is %p\n", glXGetCurrentContext());
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*sin(xinfo->rotX),1,0,0);
glRotatef(180.0*cos(xinfo->rotY),0,1,0); glRotatef(180.0*cos(xinfo->rotY),0,1,0);
@ -261,10 +268,10 @@ gst_gl_nvimage_put_image (GstImageInfo *info, GstImageData *image)
glScalef(zoom,zoom,zoom); glScalef(zoom,zoom,zoom);
//glScalef(0.1,0.1,0.1); //glScalef(0.1,0.1,0.1);
if (xinfo->zoom > 1.0) if (xinfo->zoom > 2.0)
xinfo->zoomdir = -0.01; xinfo->zoomdir = -0.01;
if (xinfo->zoom < 0.5) if (xinfo->zoom < 1.0)
xinfo->zoomdir = 0.01; xinfo->zoomdir = 0.01;
xinfo->zoom += xinfo->zoomdir; xinfo->zoom += xinfo->zoomdir;
@ -289,28 +296,29 @@ gst_gl_nvimage_put_image (GstImageInfo *info, GstImageData *image)
glBegin(GL_QUADS); glBegin(GL_QUADS);
float aspect = img_width/(float)img_height; float aspect = img_width/(float)img_height;
float hor = 4 * aspect; float hor = aspect;
//g_print("Drawing vertices, context is %p\n", glXGetCurrentContext());
glNormal3f(0, -1, 0); glNormal3f(0, -1, 0);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,0,0); glMultiTexCoord2fARB(GL_TEXTURE0_ARB,0,0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,0,0); glMultiTexCoord2fARB(GL_TEXTURE1_ARB,0,0);
glMultiTexCoord2fARB(GL_TEXTURE2_ARB,0,0); glMultiTexCoord2fARB(GL_TEXTURE2_ARB,0,0);
glVertex3f(-hor,4,0); glVertex3f(-hor,1,0);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,0,ymax); glMultiTexCoord2fARB(GL_TEXTURE0_ARB,0,ymax);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,0,ymax); glMultiTexCoord2fARB(GL_TEXTURE1_ARB,0,ymax);
glMultiTexCoord2fARB(GL_TEXTURE2_ARB,0,ymax); glMultiTexCoord2fARB(GL_TEXTURE2_ARB,0,ymax);
glVertex3f(-hor,-4,0); glVertex3f(-hor,-1,0);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,xmax,ymax); glMultiTexCoord2fARB(GL_TEXTURE0_ARB,xmax,ymax);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,xmax,ymax); glMultiTexCoord2fARB(GL_TEXTURE1_ARB,xmax,ymax);
glMultiTexCoord2fARB(GL_TEXTURE2_ARB,xmax,ymax); glMultiTexCoord2fARB(GL_TEXTURE2_ARB,xmax,ymax);
glVertex3f(hor,-4,0); glVertex3f(hor,-1,0);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,xmax,0); glMultiTexCoord2fARB(GL_TEXTURE0_ARB,xmax,0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,xmax,0); glMultiTexCoord2fARB(GL_TEXTURE1_ARB,xmax,0);
glMultiTexCoord2fARB(GL_TEXTURE2_ARB,xmax,0); glMultiTexCoord2fARB(GL_TEXTURE2_ARB,xmax,0);
glVertex3f(hor,4,0); glVertex3f(hor,1,0);
glEnd(); glEnd();
@ -339,7 +347,7 @@ gst_gl_nvimage_put_image (GstImageInfo *info, GstImageData *image)
if (outfile != NULL) if (outfile != NULL)
{ {
fprintf(outfile, "P6\n"); fprintf(outfile, "P6\n");
fprintf(outfile,"# created by raw_zb\n"); fprintf(outfile,"# created by glsink from GStreamer\n");
fprintf(outfile,"%d %d\n",img_width,img_height); fprintf(outfile,"%d %d\n",img_width,img_height);
fprintf(outfile,"255\n"); fprintf(outfile,"255\n");
fwrite(cap_image_data2, sizeof(char), img_width*img_height*3, outfile); fwrite(cap_image_data2, sizeof(char), img_width*img_height*3, outfile);
@ -380,6 +388,7 @@ gst_gl_nvimage_open_conn (GstImageConnection *conn, GstImageInfo *info)
Ywidth = TEX_XSIZE; Yheight = TEX_YSIZE; UVwidth = TEX_XSIZE/2; UVheight = TEX_YSIZE/2; Ywidth = TEX_XSIZE; Yheight = TEX_YSIZE; UVwidth = TEX_XSIZE/2; UVheight = TEX_YSIZE/2;
Initialize_Backend(Ywidth,Yheight,UVwidth,UVheight,GL_LINEAR); Initialize_Backend(Ywidth,Yheight,UVwidth,UVheight,GL_LINEAR);
} }
g_print("Done\n");
} }
static void static void

26
gst/gl/gstgl_rgbimage.c
View file

@ -98,6 +98,7 @@ gst_gl_rgbimage_get_caps (GstImageInfo *info)
XImage *ximage; XImage *ximage;
GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info); GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
g_warning("rgbimage get caps called, context %p, endianness %d !\n", glXGetCurrentContext(), G_BIG_ENDIAN);
/* we don't handle this image information */ /* we don't handle this image information */
if (xinfo == NULL) return NULL; if (xinfo == NULL) return NULL;
@ -122,9 +123,9 @@ gst_gl_rgbimage_get_caps (GstImageInfo *info)
"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")), "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
"depth", GST_PROPS_INT(24), "depth", GST_PROPS_INT(24),
"bpp", GST_PROPS_INT(24), "bpp", GST_PROPS_INT(24),
"red_mask", GST_PROPS_INT(0xff0000), "red_mask", GST_PROPS_INT(0xff),
"green_mask", GST_PROPS_INT(0xff00), "green_mask", GST_PROPS_INT(0xff00),
"blue_mask", GST_PROPS_INT(0xff), "blue_mask", GST_PROPS_INT(0xff0000),
"endianness", GST_PROPS_INT(G_BIG_ENDIAN), /*= 1234/4321 (INT) <- endianness */ "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 */ "width", GST_PROPS_INT_RANGE (0, TEX_XSIZE), /* can't have videos larger than TEX_SIZE */
@ -133,7 +134,7 @@ gst_gl_rgbimage_get_caps (GstImageInfo *info)
XDestroyImage (ximage); XDestroyImage (ximage);
} }
GST_DEBUG ("GL_RGBImage: returning caps at %p", caps); printf ("GL_RGBImage: returning caps at %p", caps);
return caps; return caps;
} }
@ -245,13 +246,13 @@ gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glLoadIdentity(); glLoadIdentity();
glTranslatef(0.0, 0.0, -25.0); glTranslatef(0.0, 0.0, -5.0);
glEnable(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D);
if (xinfo->info.demo) 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*sin(xinfo->rotX),1,0,0);
glRotatef(180.0*cos(xinfo->rotY),0,1,0); glRotatef(180.0*cos(xinfo->rotY),0,1,0);
@ -259,12 +260,11 @@ gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
xinfo->rotY -= 0.015; xinfo->rotY -= 0.015;
float zoom = xinfo->zoom; float zoom = xinfo->zoom;
glScalef(zoom,zoom,zoom); glScalef(zoom,zoom,zoom);
//glScalef(0.1,0.1,0.1);
if (xinfo->zoom > 1.0) if (xinfo->zoom > 2.0)
xinfo->zoomdir = -0.01; xinfo->zoomdir = -0.01;
if (xinfo->zoom < 0.5) if (xinfo->zoom < 1.0)
xinfo->zoomdir = 0.01; xinfo->zoomdir = 0.01;
xinfo->zoom += xinfo->zoomdir; xinfo->zoom += xinfo->zoomdir;
@ -278,7 +278,7 @@ gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
ymax = (float)im->conn->h/TEX_YSIZE; ymax = (float)im->conn->h/TEX_YSIZE;
float aspect = img_width/(float)img_height; float aspect = img_width/(float)img_height;
float hor = 4 * aspect; float hor = aspect;
glColor4f(1,1,1,1); glColor4f(1,1,1,1);
glBegin(GL_QUADS); glBegin(GL_QUADS);
@ -286,16 +286,16 @@ gst_gl_rgbimage_put_image (GstImageInfo *info, GstImageData *image)
glNormal3f(0, -1, 0); glNormal3f(0, -1, 0);
glTexCoord2f(xmax, 0); glTexCoord2f(xmax, 0);
glVertex3f(hor,4,0); glVertex3f(hor,1,0);
glTexCoord2f(0, 0); glTexCoord2f(0, 0);
glVertex3f(-hor,4,0); glVertex3f(-hor,1,0);
glTexCoord2f(0, ymax); glTexCoord2f(0, ymax);
glVertex3f(-hor,-4,0); glVertex3f(-hor,-1,0);
glTexCoord2f(xmax, ymax); glTexCoord2f(xmax, ymax);
glVertex3f(hor,-4,0); glVertex3f(hor,-1,0);
glEnd(); glEnd();
if (xinfo->info.dumpvideo) if (xinfo->info.dumpvideo)

105
gst/gl/gstglsink.c
View file

@ -17,6 +17,14 @@
* Boston, MA 02111-1307, USA. * Boston, MA 02111-1307, USA.
*/ */
/*
<ds-work> your element belongs to a scheduler, which calls some functions from the same thread
<ds-work> all the other functions could be called from any random thread
<gernot> ds-work: which are the "some" function in that case ?
<gernot> It is quite costly to do glXGetCurrentContext for every function call.
<ds-work> _chain, -get, _loop
*/
#include <config.h> #include <config.h>
#include <string.h> #include <string.h>
@ -140,6 +148,8 @@ extern GstImagePlugin* get_gl_rgbimage_plugin (void);
extern GstImagePlugin* get_gl_nvimage_plugin (void); extern GstImagePlugin* get_gl_nvimage_plugin (void);
/* default output */ /* default output */
extern void gst_glxwindow_new (GstGLSink *sink); extern void gst_glxwindow_new (GstGLSink *sink);
extern void gst_glxwindow_hook_context (GstImageInfo *info);
extern void gst_glxwindow_unhook_context (GstImageInfo *info);
static GstPadTemplate *sink_template; static GstPadTemplate *sink_template;
@ -257,9 +267,12 @@ gst_glsink_init (GstGLSink *sink)
sink->conn = NULL; sink->conn = NULL;
/* do initialization of default hook here */ /* do initialization of default hook here */
gst_glxwindow_new (sink); gst_glxwindow_new (sink);
//printf("GLSink_init: Current context %p\n", glXGetCurrentContext());
gst_glxwindow_unhook_context(sink->hook);
} }
/** frees the temporary connection that tests the window system capabilities */
static void static void
gst_glsink_release_conn (GstGLSink *sink) gst_glsink_release_conn (GstGLSink *sink)
{ {
@ -357,16 +370,21 @@ gst_glsink_get_bufferpool (GstPad *pad)
static gboolean static gboolean
gst_glsink_set_caps (GstGLSink *sink, GstCaps *caps) gst_glsink_set_caps (GstGLSink *sink, GstCaps *caps)
{ {
//g_warning("in set caps!\n"); g_warning("in glsink set caps!\n");
printf("Getting GLstring, context is %p\n", glXGetCurrentContext());
GList *list = ((GstGLSinkClass *) G_OBJECT_GET_CLASS (sink))->plugins; GList *list = ((GstGLSinkClass *) G_OBJECT_GET_CLASS (sink))->plugins;
GstImageConnection *conn = NULL; GstImageConnection *conn = NULL;
while (list) while (list)
{ {
printf("AGetting GLstring, context is %p\n", glXGetCurrentContext());
GstImagePlugin *plugin = (GstImagePlugin *) list->data; GstImagePlugin *plugin = (GstImagePlugin *) list->data;
if ((conn = plugin->set_caps (sink->hook, caps)) != NULL) if ((conn = plugin->set_caps (sink->hook, caps)) != NULL)
{ {
gst_glsink_release_conn (sink); //gst_glsink_release_conn (sink);
printf("BGetting GLstring, context is %p\n", glXGetCurrentContext());
sink->conn = conn; sink->conn = conn;
printf("CGetting GLstring, context is %p\n", glXGetCurrentContext());
sink->plugin = plugin; sink->plugin = plugin;
sink->conn->open_conn (sink->conn, sink->hook); sink->conn->open_conn (sink->conn, sink->hook);
return TRUE; return TRUE;
@ -382,9 +400,9 @@ Link the input video sink internally.
static GstPadLinkReturn static GstPadLinkReturn
gst_glsink_sinkconnect (GstPad *pad, GstCaps *caps) gst_glsink_sinkconnect (GstPad *pad, GstCaps *caps)
{ {
fprintf(stderr, "in sinkconnect!\n"); g_warning("in glsink sinkconnect!\n");
GstGLSink *sink; GstGLSink *sink;
guint32 fourcc, print_format; guint32 fourcc, print_format, result;
sink = GST_GLSINK (gst_pad_get_parent (pad)); sink = GST_GLSINK (gst_pad_get_parent (pad));
@ -392,11 +410,15 @@ gst_glsink_sinkconnect (GstPad *pad, GstCaps *caps)
if (!GST_CAPS_IS_FIXED (caps)) if (!GST_CAPS_IS_FIXED (caps))
return GST_PAD_LINK_DELAYED; return GST_PAD_LINK_DELAYED;
gst_glxwindow_hook_context(sink->hook);
/* try to set the caps on the output */ /* try to set the caps on the output */
if (gst_glsink_set_caps (sink, caps) == FALSE) result = gst_glsink_set_caps (sink, caps);
{ gst_glxwindow_unhook_context(sink->hook);
return GST_PAD_LINK_REFUSED;
} if (result == FALSE)
{
return GST_PAD_LINK_REFUSED;
}
/* remember width & height */ /* remember width & height */
gst_caps_get_int (caps, "width", &sink->width); gst_caps_get_int (caps, "width", &sink->width);
@ -418,18 +440,20 @@ gst_glsink_sinkconnect (GstPad *pad, GstCaps *caps)
static GstCaps * static GstCaps *
gst_glsink_getcaps (GstPad *pad, GstCaps *caps) gst_glsink_getcaps (GstPad *pad, GstCaps *caps)
{ {
//g_warning("in get caps!\n"); g_warning("in glsink get caps!\n");
/* what is the "caps" parameter good for? */ /* what is the "caps" parameter good for? */
GstGLSink *sink = GST_GLSINK (gst_pad_get_parent (pad)); GstGLSink *sink = GST_GLSINK (gst_pad_get_parent (pad));
GstCaps *ret = NULL; GstCaps *ret = NULL;
GList *list = ((GstGLSinkClass *) G_OBJECT_GET_CLASS (sink))->plugins; GList *list = ((GstGLSinkClass *) G_OBJECT_GET_CLASS (sink))->plugins;
gst_glxwindow_hook_context(sink->hook);
while (list) while (list)
{ {
ret = gst_caps_append (ret, ((GstImagePlugin *) list->data)->get_caps (sink->hook)); ret = gst_caps_append (ret, ((GstImagePlugin *) list->data)->get_caps (sink->hook));
list = g_list_next (list); list = g_list_next (list);
} }
gst_glxwindow_unhook_context(sink->hook);
return ret; return ret;
} }
@ -446,9 +470,8 @@ gst_glsink_chain (GstPad *pad, GstData *_data)
//g_warning("in glsink_chain!\n"); //g_warning("in glsink_chain!\n");
GstBuffer *buf = GST_BUFFER (_data); GstBuffer *buf = GST_BUFFER (_data);
GstGLSink *sink; GstGLSink *sink;
//GstClockTime time = GST_BUFFER_TIMESTAMP (buf);
GstBuffer *buffer; GstBuffer *buffer;
//static int frame_drops = 0;
g_return_if_fail (pad != NULL); g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad)); g_return_if_fail (GST_IS_PAD (pad));
@ -468,7 +491,10 @@ gst_glsink_chain (GstPad *pad, GstData *_data)
GST_DEBUG ("glsink: clock wait: %llu %u", GST_DEBUG ("glsink: clock wait: %llu %u",
GST_BUFFER_TIMESTAMP (buf), GST_BUFFER_SIZE (buf)); GST_BUFFER_TIMESTAMP (buf), GST_BUFFER_SIZE (buf));
#if 0 #if 0
GstClockTime time = GST_BUFFER_TIMESTAMP (buf);
static int frame_drops = 0;
if (sink->clock && time != -1) { if (sink->clock && time != -1) {
if (time < gst_clock_get_time(sink->clock)) if (time < gst_clock_get_time(sink->clock))
{ {
@ -500,10 +526,55 @@ gst_glsink_chain (GstPad *pad, GstData *_data)
if (!sink->muted) if (!sink->muted)
{ {
if (glXGetCurrentContext() == NULL)
{
printf("Rehooking window !\n");
gst_glxwindow_hook_context(sink->hook);
#if 1
GST_DEBUG("Initializing OpenGL parameters\n");
/* initialize OpenGL drawing */
glEnable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
glClearDepth(1.0f);
glClearColor(0, 0, 0, 0);
glEnable(GL_AUTO_NORMAL); // let OpenGL generate the Normals
glDisable(GL_BLEND);
glDisable(GL_CULL_FACE);
glPolygonMode(GL_FRONT, GL_FILL);
glPolygonMode(GL_BACK, GL_FILL);
glShadeModel(GL_SMOOTH);
glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST);
GstGLImageInfo *window = (GstGLImageInfo *)sink->hook;
int w=window->width, h = window->height;
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 */ /* free last_image, if any */
if (sink->last_image != NULL) if (sink->last_image != NULL)
gst_buffer_unref (sink->last_image); gst_buffer_unref (sink->last_image);
if (sink->bufferpool && GST_BUFFER_BUFFERPOOL (buf) == sink->bufferpool) { if (sink->bufferpool && GST_BUFFER_BUFFERPOOL (buf) == sink->bufferpool) {
// awful hack ! But I currently have no other solution without changing the API // awful hack ! But I currently have no other solution without changing the API
sink->hook->demo = sink->demo; sink->hook->demo = sink->demo;
sink->hook->dumpvideo = sink->dumpvideo; sink->hook->dumpvideo = sink->dumpvideo;
@ -522,6 +593,8 @@ gst_glsink_chain (GstPad *pad, GstData *_data)
sink->last_image = buffer; sink->last_image = buffer;
gst_buffer_unref (buf); 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, factory = gst_element_factory_new("glsink",GST_TYPE_GLSINK,
&gst_glsink_details); &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); g_return_val_if_fail(factory != NULL, FALSE);
/* this is needed later on in the _real_ init (during a gst-launch) */ /* this is needed later on in the _real_ init (during a gst-launch) */

36
gst/gl/gstglxwindow.c
View file

@ -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 */ 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 static void
gst_glxwindow_free (GstImageInfo *info) gst_glxwindow_free (GstImageInfo *info)
{ {
@ -92,7 +124,7 @@ gst_glxwindow_callback(GObject *object, GParamSpec *pspec, GstGLImageInfo *data)
XMapRaised (data->dpy, data->win); XMapRaised (data->dpy, data->win);
// resize OpenGL // resize OpenGL
//g_warning("resizing in OpenGL"); g_warning("resizing in OpenGL");
glViewport(0, 0, (GLint) w, (GLint) h); glViewport(0, 0, (GLint) w, (GLint) h);
glMatrixMode(GL_PROJECTION); glMatrixMode(GL_PROJECTION);
glLoadIdentity(); glLoadIdentity();
@ -205,7 +237,7 @@ gst_glxwindow_new (GstElement *sink)
else else
GST_DEBUG ("Sorry, no Direct Rendering possible!\n"); GST_DEBUG ("Sorry, no Direct Rendering possible!\n");
GST_DEBUG("Initializing OpenGL parameters\n"); g_warning("Initializing OpenGL parameters\n");
/* initialize OpenGL drawing */ /* initialize OpenGL drawing */
glEnable(GL_DEPTH_TEST); glEnable(GL_DEPTH_TEST);
//glShadeModel(GL_SMOOTH); //glShadeModel(GL_SMOOTH);

6
gst/gl/regcomb_yuvrgb.c
View file

@ -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) 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); printf("Reinitializing register combiner backend with res %d x %d!\n", Ywidth, Yheight);
if (!GL_ARB_multitexture_Init()) exit(0); //if (!GL_ARB_multitexture_Init()) exit(0);
if (!GL_EXT_paletted_texture_Init()) exit(0); //if (!GL_EXT_paletted_texture_Init()) exit(0);
if (!GL_NV_register_combiners_Init()) exit(0); //if (!GL_NV_register_combiners_Init()) exit(0);
unsigned char Ypal[768]; unsigned char Ypal[768];
unsigned char Upal[768]; unsigned char Upal[768];
unsigned char Vpal[768]; unsigned char Vpal[768];