mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-07-08 15:45:55 +00:00
Code Issues 1 Projects Releases Wiki Activity

[113/906] git-svn-id: svn://svn.wobow.com/GStreamer_playground/gst-plugins-gl@554 93df14bb-0f41-7a43-8087-d3e2a2f0e464

Browse source
This commit is contained in:
Julien Isorce 2008-06-28 23:28:11 +00:00 committed by Tim-Philipp Müller
parent 8807e62119
commit a903f96e15
2 changed files with 138 additions and 69 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

200
gst-libs/gst/gl/gstgldisplay.c
View file

@ -29,7 +29,7 @@ static void gst_gl_display_finalize (GObject * object);
static gpointer gst_gl_display_glutThreadFunc (GstGLDisplay* display);
static void gst_gl_display_glutCreateWindow (GstGLDisplay* display);
static void gst_gl_display_glutInitUpload (GstGLDisplay* display);
static void gst_gl_display_glutGenerateOutputVideoFBO (GstGLDisplay *display);
static void gst_gl_display_glutInitDownload (GstGLDisplay *display);
static void gst_gl_display_glutGenerateFBO (GstGLDisplay *display);
static void gst_gl_display_glutUseFBO (GstGLDisplay *display);
static void gst_gl_display_glutUseFBO2 (GstGLDisplay *display);
@ -110,7 +110,7 @@ gst_gl_display_init (GstGLDisplay *display, GstGLDisplayClass *klass)
display->cond_destroyFBO = g_cond_new ();
display->cond_create = g_cond_new ();
display->cond_destroy = g_cond_new ();
display->cond_download = g_cond_new ();
display->cond_init_download = g_cond_new ();
display->cond_initShader = g_cond_new ();
display->cond_destroyShader = g_cond_new ();
@ -366,9 +366,9 @@ gst_gl_display_finalize (GObject *object)
g_cond_free (display->cond_video);
display->cond_video = NULL;
}
if (display->cond_download) {
g_cond_free (display->cond_download);
display->cond_download = NULL;
if (display->cond_init_download) {
g_cond_free (display->cond_init_download);
display->cond_init_download = NULL;
}
if (display->cond_initShader) {
g_cond_free (display->cond_initShader);
@ -702,9 +702,9 @@ gst_gl_display_glutInitUpload (GstGLDisplay *display)
}
/* Called by the idle funtion */
/* Called by the gl thread */
static void
gst_gl_display_glutGenerateOutputVideoFBO (GstGLDisplay *display)
gst_gl_display_glutInitDownload (GstGLDisplay *display)
{
glutSetWindow (display->glutWinId);
@ -738,33 +738,61 @@ gst_gl_display_glutGenerateOutputVideoFBO (GstGLDisplay *display)
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_RECTANGLE_ARB, display->videoTexture, 0);
//setup a second texture to render to
glGenTextures (1, &display->videoTexture_u);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, display->videoTexture_u);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
display->outputWidth, display->outputHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
switch (display->outputVideo_format)
{
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
case GST_VIDEO_FORMAT_AYUV:
//only one attached texture is needed
break;
//attach the second texture to the FBO to renderer to
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
GL_TEXTURE_RECTANGLE_ARB, display->videoTexture_u, 0);
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
//setup a second texture to render to
glGenTextures (1, &display->videoTexture_u);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, display->videoTexture_u);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
display->outputWidth, display->outputHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//setup a third texture to render to
glGenTextures (1, &display->videoTexture_v);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, display->videoTexture_v);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
display->outputWidth, display->outputHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//attach the second texture to the FBO to renderer to
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
GL_TEXTURE_RECTANGLE_ARB, display->videoTexture_u, 0);
//attach the third texture to the FBO to renderer to
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT2_EXT,
GL_TEXTURE_RECTANGLE_ARB, display->videoTexture_v, 0);
//setup a third texture to render to
glGenTextures (1, &display->videoTexture_v);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, display->videoTexture_v);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
display->outputWidth, display->outputHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//attach the third texture to the FBO to renderer to
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT2_EXT,
GL_TEXTURE_RECTANGLE_ARB, display->videoTexture_v, 0);
display->multipleRT[0] = GL_COLOR_ATTACHMENT0_EXT;
display->multipleRT[1] = GL_COLOR_ATTACHMENT1_EXT;
display->multipleRT[2] = GL_COLOR_ATTACHMENT2_EXT;
break;
default:
g_assert_not_reached ();
}
//attach the depth render buffer to the FBO
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
@ -776,41 +804,80 @@ gst_gl_display_glutGenerateOutputVideoFBO (GstGLDisplay *display)
GL_FRAMEBUFFER_COMPLETE_EXT);
//unbind the FBO
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
display->multipleRT[0] = GL_COLOR_ATTACHMENT0_EXT;
display->multipleRT[1] = GL_COLOR_ATTACHMENT1_EXT;
display->multipleRT[2] = GL_COLOR_ATTACHMENT2_EXT;
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}
else
{
GST_DEBUG ("Context %d, EXT_framebuffer_object supported: no", display->glutWinId);
g_assert_not_reached ();
//turn off the pipeline because Frame buffer object is a requirement
g_print ("Context %d, EXT_framebuffer_object supported: no\n", display->glutWinId);
display->isAlive = FALSE;
}
if (GLEW_ARB_fragment_shader)
{
gchar program[2048];
//from texture to video
sprintf (program, display->textFProgram_to_YUY2_UYVY, "y2,u,y1,v");
display->GLSLProgram_to_YUY2 = gst_gl_display_loadGLSLprogram (program);
sprintf (program, display->textFProgram_to_YUY2_UYVY, "v,y1,u,y2");
display->GLSLProgram_to_UYVY = gst_gl_display_loadGLSLprogram (program);
display->GLSLProgram_to_I420_YV12 = gst_gl_display_loadGLSLprogram (display->textFProgram_to_I420_YV12);
display->GLSLProgram_to_AYUV = gst_gl_display_loadGLSLprogram (display->textFProgram_to_AYUV);
}
else
switch (display->outputVideo_format)
{
GST_DEBUG ("Context %d, ARB_fragment_program supported: no", display->glutWinId);
g_assert_not_reached ();
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
//color space conversion is not needed
break;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_AYUV:
//color space conversion is needed
{
//check if fragment shader is available, then load them
//GLSL is a requirement for donwload
if (GLEW_ARB_fragment_shader)
{
switch (display->outputVideo_format)
{
case GST_VIDEO_FORMAT_YUY2:
{
gchar program[2048];
sprintf (program, display->textFProgram_to_YUY2_UYVY, "y2,u,y1,v");
display->GLSLProgram_to_YUY2 = gst_gl_display_loadGLSLprogram (program);
}
break;
case GST_VIDEO_FORMAT_UYVY:
{
gchar program[2048];
sprintf (program, display->textFProgram_to_YUY2_UYVY, "v,y1,u,y2");
display->GLSLProgram_to_UYVY = gst_gl_display_loadGLSLprogram (program);
}
break;
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
display->GLSLProgram_to_I420_YV12 = gst_gl_display_loadGLSLprogram (display->textFProgram_to_I420_YV12);
break;
case GST_VIDEO_FORMAT_AYUV:
display->GLSLProgram_to_AYUV = gst_gl_display_loadGLSLprogram (display->textFProgram_to_AYUV);
break;
default:
g_assert_not_reached ();
}
}
else
{
//turn off the pipeline because colorspace conversion is not possible
GST_DEBUG ("Context %d, ARB_fragment_shader supported: no", display->glutWinId);
display->isAlive = FALSE;
}
}
break;
default:
g_assert_not_reached ();
}
g_cond_signal (display->cond_download);
g_cond_signal (display->cond_init_download);
}
@ -1214,8 +1281,8 @@ gst_gl_display_glutDispatchAction (GstGLDisplayMsg* msg)
case GST_GL_DISPLAY_ACTION_USEFBO2:
gst_gl_display_glutUseFBO2 (msg->display);
break;
case GST_GL_DISPLAY_ACTION_OVFBO:
gst_gl_display_glutGenerateOutputVideoFBO (msg->display);
case GST_GL_DISPLAY_ACTION_INIT_DOWNLOAD:
gst_gl_display_glutInitDownload (msg->display);
break;
case GST_GL_DISPLAY_ACTION_GENSHADER:
gst_gl_display_glutInitShader (msg->display);
@ -1255,7 +1322,7 @@ gst_gl_display_checkMsgValidity (GstGLDisplayMsg *msg)
case GST_GL_DISPLAY_ACTION_DELFBO:
case GST_GL_DISPLAY_ACTION_USEFBO:
case GST_GL_DISPLAY_ACTION_USEFBO2:
case GST_GL_DISPLAY_ACTION_OVFBO:
case GST_GL_DISPLAY_ACTION_INIT_DOWNLOAD:
case GST_GL_DISPLAY_ACTION_GENSHADER:
case GST_GL_DISPLAY_ACTION_DELSHADER:
//msg is out of date if the associated display is not in the map
@ -1562,13 +1629,15 @@ gst_gl_display_rejectFBO (GstGLDisplay* display, guint fbo,
/* Called by gst_gl elements */
void
gst_gl_display_initDonwloadFBO (GstGLDisplay* display, gint width, gint height)
gst_gl_display_init_download (GstGLDisplay* display, GstVideoFormat video_format,
gint width, gint height)
{
gst_gl_display_lock (display);
display->outputVideo_format = video_format;
display->outputWidth = width;
display->outputHeight = height;
gst_gl_display_postMessage (GST_GL_DISPLAY_ACTION_OVFBO, display);
g_cond_wait (display->cond_download, display->mutex);
gst_gl_display_postMessage (GST_GL_DISPLAY_ACTION_INIT_DOWNLOAD, display);
g_cond_wait (display->cond_init_download, display->mutex);
gst_gl_display_unlock (display);
}
@ -2203,8 +2272,7 @@ gst_gl_display_fill_video (GstGLDisplay* display)
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
//gluOrtho2D(0.0, width, 0.0, height);
gluPerspective(45, (gfloat)width/(gfloat)height, 0.1, 100);
gluOrtho2D(0.0, width, 0.0, height);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();

7
gst-libs/gst/gl/gstgldisplay.h
View file

@ -65,7 +65,7 @@ typedef enum {
GST_GL_DISPLAY_ACTION_DELFBO,
GST_GL_DISPLAY_ACTION_USEFBO,
GST_GL_DISPLAY_ACTION_USEFBO2,
GST_GL_DISPLAY_ACTION_OVFBO,
GST_GL_DISPLAY_ACTION_INIT_DOWNLOAD,
GST_GL_DISPLAY_ACTION_GENSHADER,
GST_GL_DISPLAY_ACTION_DELSHADER
@ -110,7 +110,7 @@ struct _GstGLDisplay {
GCond* cond_useFBO;
GCond* cond_useFBO2;
GCond* cond_destroyFBO;
GCond* cond_download;
GCond* cond_init_download;
GCond* cond_initShader;
GCond* cond_destroyShader;
@ -271,7 +271,8 @@ void gst_gl_display_useFBO2 (GstGLDisplay* display, gint textureFBOWidth, gint t
gpointer* p1, gpointer* p2);
void gst_gl_display_rejectFBO (GstGLDisplay* display, guint fbo,
guint depthbuffer);
void gst_gl_display_initDonwloadFBO (GstGLDisplay* display, gint width, gint height);
void gst_gl_display_init_download (GstGLDisplay* display, GstVideoFormat video_format,
gint width, gint height);
void gst_gl_display_initShader (GstGLDisplay* display, gchar* textShader, GLhandleARB* handleShader);
void gst_gl_display_destroyShader (GstGLDisplay* display, GLhandleARB shader);
void gst_gl_display_set_windowId (GstGLDisplay* display, gulong winId);