lib_LTLIBRARIES = libgstgl-@GST_MAJORMINOR@.la
libgstgl_@GST_MAJORMINOR@_la_SOURCES = \
- glextensions.c \
- gstglbuffer.c \
gstgldisplay.c \
- gstglfilter.c
+ gstglbuffer.c
libgstgl_@GST_MAJORMINOR@includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/gl
libgstgl_@GST_MAJORMINOR@include_HEADERS = \
- glextensions.h \
- gstglbuffer.h \
gstgldisplay.h \
- gstglfilter.h
+ gstglbuffer.h
libgstgl_@GST_MAJORMINOR@_la_LIBADD = \
$(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_MAJORMINOR) \
+++ /dev/null
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <GL/glx.h>
-#include <GL/glxext.h>
-#include <string.h>
-#include <glib.h>
-
-#include "glextensions.h"
-
-int
-gl_have_extension (const char *name)
-{
- const char *s;
-
- s = (const char *) glGetString (GL_EXTENSIONS);
- if (s == NULL)
- return FALSE;
-
- if (strstr (s, name))
- return TRUE;
- return FALSE;
-}
-
-extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *);
-
-#define DEFINE_FUNC_RET(name,return_type,prototype,args) \
-return_type name prototype \
-{ \
- static return_type (*func) prototype; \
- if (func == NULL) { \
- func = (void *) glXGetProcAddressARB ((unsigned char *) #name); \
- } \
- return func args; \
-}
-
-#define DEFINE_FUNC(name,prototype,args) \
-void name prototype \
-{ \
- static void (*func) prototype; \
- if (func == NULL) { \
- func = (void *) glXGetProcAddressARB ((unsigned char *) #name); \
- } \
- func args; \
-}
-
-DEFINE_FUNC_RET (glCreateShaderObjectARB, GLhandleARB,
- (GLenum shaderType), (shaderType));
-#if 0
-typedef GLhandleARB type_glCreateShaderObjectARB (GLenum shaderType);
-
-GLhandleARB
-glCreateShaderObjectARB (GLenum shaderType)
-{
- type_glCreateShaderObjectARB *func;
-
- if (func == NULL) {
- func = (type_glCreateShaderObjectARB *)
- glXGetProcAddress ((unsigned char *) "glCreateShaderObjectARB");
- }
- return (*func) (shaderType);
-}
-#endif
-
-DEFINE_FUNC (glShaderSourceARB,
- (GLhandleARB shaderObj, GLsizei count, const GLcharARB ** string,
- const GLint * length), (shaderObj, count, string, length));
-
-DEFINE_FUNC (glUniform2fARB,
- (GLint location, GLfloat val1, GLfloat val2), (location, val1, val2));
-
-DEFINE_FUNC_RET (glGetUniformLocationARB, GLint,
- (GLhandleARB programObj, const GLcharARB * name), (programObj, name));
-
-DEFINE_FUNC (glUniform1iARB, (GLint location, GLint val), (location, val));
-
-DEFINE_FUNC (glGetObjectParameterivARB, (GLhandleARB object, GLenum pname,
- GLint * params), (object, pname, params));
-
-DEFINE_FUNC (glCompileShaderARB, (GLhandleARB shader), (shader));
-
-DEFINE_FUNC (glGetInfoLogARB, (GLhandleARB object, GLsizei maxLength,
- GLsizei * length, GLcharARB * infoLog), (object, maxLength, length,
- infoLog));
-
-DEFINE_FUNC_RET (glCreateProgramObjectARB, GLhandleARB, (void), ());
-
-DEFINE_FUNC (glAttachObjectARB, (GLhandleARB program, GLhandleARB shader),
- (program, shader));
-
-DEFINE_FUNC (glLinkProgramARB, (GLhandleARB program), (program));
-
-DEFINE_FUNC (glUseProgramObjectARB, (GLhandleARB program), (program));
-
-DEFINE_FUNC (glPixelDataRangeNV, (GLenum target, GLsizei length, void *pointer),
- (target, length, pointer));
-
-DEFINE_FUNC_RET (glXGetSyncValuesOML, Bool,
- (Display * display, GLXDrawable drawable, int64_t * ust, int64_t * msc,
- int64_t * sbc), (display, drawable, ust, msc, sbc));
-
-DEFINE_FUNC_RET (glXGetMscRateOML, Bool,
- (Display * display, GLXDrawable drawable, int32_t * numerator,
- int32_t * denominator), (display, drawable, numerator, denominator));
-
-DEFINE_FUNC_RET (glXSwapBuffersMscOML, int64_t,
- (Display * display, GLXDrawable drawable, int64_t target_msc,
- int64_t divisor, int64_t remainder), (display, drawable, target_msc,
- divisor, remainder));
-
-DEFINE_FUNC_RET (glXWaitForMscOML, Bool,
- (Display * display, GLXDrawable drawable, int64_t target_msc,
- int64_t divisor, int64_t remainder, int64_t * ust, int64_t * msc,
- int64_t * sbc), (display, drawable, target_msc, divisor, remainder, ust,
- msc, sbc));
-
-DEFINE_FUNC_RET (glXWaitForSbcOML, Bool,
- (Display * display, GLXDrawable drawable, int64_t target_sbc, int64_t * ust,
- int64_t * msc, int64_t * sbc), (display, drawable, target_sbc, ust, msc,
- sbc));
-
-DEFINE_FUNC_RET (glXSwapIntervalSGI, int, (int interval), (interval));
-
-DEFINE_FUNC_RET (glXSwapIntervalMESA, int, (unsigned int interval), (interval));
-
-#if 0
-DEFINE_FUNC (glBindFramebufferEXT, (int target, uint framebuffer),
- (target, framebuffer));
-
-DEFINE_FUNC (glDeleteRenderbuffersEXT, (int n, unsigned int *renderbuffers),
- (n, renderbuffers));
-DEFINE_FUNC (glGenRenderbuffersEXT, (int n, unsigned int *renderbuffers),
- (n, renderbuffers));
-DEFINE_FUNC (glRenderbufferStorageEXT, (int target, int internalformat,
- int width, int height), (target, internalformat, width, height));
-DEFINE_FUNC (glBindRenderbufferEXT, (int target, unsigned int renderbuffer),
- (target, renderbuffer));
-DEFINE_FUNC (glFramebufferRenderbufferEXT,
- (int target, int attachment, int renderbuffertarget,
- unsigned int renderbuffer), (target, attachment, renderbuffertarget,
- renderbuffer));
-#endif
-
-/* EXT_framebuffer_object */
-DEFINE_FUNC_RET (glIsRenderbufferEXT, Bool,
- (GLuint renderbuffer), (renderbuffer));
-DEFINE_FUNC (glBindRenderbufferEXT,
- (GLenum target, GLuint renderbuffer), (target, renderbuffer));
-DEFINE_FUNC (glDeleteRenderbuffersEXT,
- (GLsizei n, GLuint * renderbuffers), (n, renderbuffers));
-DEFINE_FUNC (glGenRenderbuffersEXT,
- (GLsizei n, GLuint * renderbuffers), (n, renderbuffers));
-DEFINE_FUNC (glRenderbufferStorageEXT,
- (GLenum target, GLenum internalformat, GLsizei width, GLsizei height),
- (target, internalformat, width, height));
-DEFINE_FUNC (glGetRenderbufferParameterivEXT,
- (GLenum target, GLenum pname, GLint * params), (target, pname, params));
-DEFINE_FUNC_RET (glIsFramebufferEXT, Bool, (GLuint framebuffer), (framebuffer));
-DEFINE_FUNC (glBindFramebufferEXT,
- (GLenum target, GLuint framebuffer), (target, framebuffer));
-DEFINE_FUNC (glDeleteFramebuffersEXT,
- (GLsizei n, GLuint * framebuffers), (n, framebuffers));
-DEFINE_FUNC (glGenFramebuffersEXT,
- (GLsizei n, GLuint * framebuffers), (n, framebuffers));
-DEFINE_FUNC_RET (glCheckFramebufferStatusEXT, GLenum,
- (GLenum target), (target));
-DEFINE_FUNC (glFramebufferTexture1DEXT,
- (GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
- GLint level), (target, attachment, textarget, texture, level));
-DEFINE_FUNC (glFramebufferTexture2DEXT, (GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level), (target, attachment,
- textarget, texture, level));
-DEFINE_FUNC (glFramebufferTexture3DEXT, (GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level, GLint zoffset), (target,
- attachment, textarget, texture, level, zoffset));
-DEFINE_FUNC (glFramebufferRenderbufferEXT, (GLenum target, GLenum attachment,
- GLenum renderbuffertarget, GLuint renderbuffer), (target, attachment,
- renderbuffertarget, renderbuffer));
-DEFINE_FUNC (glGetFramebufferAttachmentParameterivEXT, (GLenum target,
- GLenum pname, GLint * params), (target, pname, params));
-DEFINE_FUNC (glGenerateMipmapEXT, (GLenum target), (target));
-
-DEFINE_FUNC (glWindowPos2iARB, (GLint x, GLint y), (x, y));
-
-DEFINE_FUNC (glGenProgramsARB, (GLsizei a, GLuint * b), (a, b));
-DEFINE_FUNC (glBindProgramARB, (GLenum a, GLuint b), (a, b));
-DEFINE_FUNC (glProgramStringARB,
- (GLenum a, GLenum b, GLsizei c, const GLvoid * d), (a, b, c, d));
+++ /dev/null
-#ifndef __GST_GLEXTENSIONS_H__
-#define __GST_GLEXTENSIONS_H__
-
-#include <GL/gl.h>
-//#include <glib.h>
-
-int gl_have_extension (const char *name);
-
-GLhandleARB glCreateShaderObjectARB (GLenum shaderType);
-void glShaderSourceARB (GLhandleARB shaderObj, GLsizei count, const GLcharARB ** string, const GLint *length);
-void glUniform2fARB (GLint location, GLfloat val1, GLfloat val2);
-GLint glGetUniformLocationARB (GLhandleARB programObj, const GLcharARB *name);
-void glUniform1iARB (GLint location, GLint val);
-void glCompileShaderARB (GLhandleARB shader);
-void glGetObjectParameterivARB (GLhandleARB object, GLenum pname, GLint *params);
-void glGetInfoLogARB (GLhandleARB object, GLsizei maxLength, GLsizei *length,
- GLcharARB *infoLog);
-GLhandleARB glCreateProgramObjectARB (void);
-void glAttachObjectARB (GLhandleARB program, GLhandleARB shader);
-void glLinkProgramARB (GLhandleARB program);
-void glUseProgramObjectARB (GLhandleARB program);
-void glPixelDataRangeNV(GLenum target, GLsizei length, void *pointer);
-void glActiveTexture(GLenum target);
-Bool glXGetSyncValuesOML (Display *, GLXDrawable, int64_t *, int64_t *, int64_t *);
-Bool glXGetMscRateOML (Display *, GLXDrawable, int32_t *, int32_t *);
-int64_t glXSwapBuffersMscOML (Display *, GLXDrawable, int64_t, int64_t, int64_t);
-Bool glXWaitForMscOML (Display *, GLXDrawable, int64_t, int64_t, int64_t, int64_t *, int64_t *, int64_t *);
-Bool glXWaitForSbcOML (Display *, GLXDrawable, int64_t, int64_t *, int64_t *, int64_t *);
-int glXSwapIntervalSGI (int);
-int glXSwapIntervalMESA (unsigned int);
-
-/* EXT_framebuffer_object */
-Bool glIsRenderbufferEXT (GLuint renderbuffer);
-void glBindRenderbufferEXT (GLenum target, GLuint renderbuffer);
-void glDeleteRenderbuffersEXT (GLsizei n, GLuint *renderbuffers);
-void glGenRenderbuffersEXT (GLsizei n, GLuint *renderbuffers);
-void glRenderbufferStorageEXT (GLenum target, GLenum internalformat,
- GLsizei width, GLsizei height);
-void glGetRenderbufferParameterivEXT (GLenum target, GLenum pname, GLint *params);
-Bool glIsFramebufferEXT (GLuint framebuffer);
-void glBindFramebufferEXT (GLenum target, GLuint framebuffer);
-void glDeleteFramebuffersEXT (GLsizei n, GLuint *framebuffers);
-void glGenFramebuffersEXT (GLsizei n, GLuint *framebuffers);
-GLenum glCheckFramebufferStatusEXT (GLenum target);
-void glFramebufferTexture1DEXT (GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level);
-void glFramebufferTexture2DEXT (GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level);
-void glFramebufferTexture3DEXT (GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level, GLint zoffset);
-void glFramebufferRenderbufferEXT (GLenum target, GLenum attachment,
- GLenum renderbuffertarget, GLuint renderbuffer);
-void glGetFramebufferAttachmentParameterivEXT (GLenum target, GLenum pname,
- GLint *params);
-void glGenerateMipmapEXT (GLenum target);
-
-void glWindowPos2iARB (GLint x, GLint y);
-
-void glGenProgramsARB (GLsizei, GLuint *);
-void glBindProgramARB (GLenum, GLuint);
-void glProgramStringARB (GLenum, GLenum, GLsizei, const GLvoid *);
-
-#endif
-
+++ /dev/null
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gstglbuffer.h>
-#include <gstgldisplay.h>
-#include <GL/glext.h>
-#include <unistd.h>
-#include "glextensions.h"
-
-#include <string.h>
-
-static GObjectClass *gst_gl_buffer_parent_class;
-
-static void
-gst_gl_buffer_finalize (GstGLBuffer * buffer)
-{
- gst_gl_display_lock (buffer->display);
-
- glDeleteTextures (1, &buffer->texture);
- if (buffer->texture_u) {
- glDeleteTextures (1, &buffer->texture_u);
- }
- if (buffer->texture_v) {
- glDeleteTextures (1, &buffer->texture_v);
- }
-
- gst_gl_display_unlock (buffer->display);
- g_object_unref (buffer->display);
-
- GST_MINI_OBJECT_CLASS (gst_gl_buffer_parent_class)->
- finalize (GST_MINI_OBJECT (buffer));
-}
-
-static void
-gst_gl_buffer_init (GstGLBuffer * buffer, gpointer g_class)
-{
-
-}
-
-static void
-gst_gl_buffer_class_init (gpointer g_class, gpointer class_data)
-{
- GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
-
- gst_gl_buffer_parent_class = g_type_class_peek_parent (g_class);
-
- mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
- gst_gl_buffer_finalize;
-}
-
-
-GType
-gst_gl_buffer_get_type (void)
-{
- static GType _gst_gl_buffer_type;
-
- if (G_UNLIKELY (_gst_gl_buffer_type == 0)) {
- static const GTypeInfo info = {
- sizeof (GstBufferClass),
- NULL,
- NULL,
- gst_gl_buffer_class_init,
- NULL,
- NULL,
- sizeof (GstGLBuffer),
- 0,
- (GInstanceInitFunc) gst_gl_buffer_init,
- NULL
- };
- _gst_gl_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
- "GstGLBuffer", &info, 0);
- }
- return _gst_gl_buffer_type;
-}
-
-
-GstGLBuffer *
-gst_gl_buffer_new (GstGLDisplay * display, int width, int height)
-{
- g_return_val_if_fail (display != NULL, NULL);
- g_return_val_if_fail (width > 0, NULL);
- g_return_val_if_fail (height > 0, NULL);
-
- return gst_gl_buffer_new_with_format (display, GST_GL_BUFFER_FORMAT_RGBA,
- width, height);
-}
-
-GstGLBuffer *
-gst_gl_buffer_new_with_format (GstGLDisplay * display,
- GstGLBufferFormat format, int width, int height)
-{
- GstGLBuffer *buffer;
-
- g_return_val_if_fail (format != GST_GL_BUFFER_FORMAT_UNKNOWN, NULL);
- g_return_val_if_fail (display != NULL, NULL);
- g_return_val_if_fail (width > 0, NULL);
- g_return_val_if_fail (height > 0, NULL);
-
- buffer = (GstGLBuffer *) gst_mini_object_new (GST_TYPE_GL_BUFFER);
-
- buffer->display = g_object_ref (display);
- buffer->width = width;
- buffer->height = height;
- buffer->format = format;
- GST_BUFFER_SIZE (buffer) = gst_gl_buffer_format_get_size (format, width,
- height);
-
- gst_gl_display_lock (buffer->display);
- glGenTextures (1, &buffer->texture);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture);
- switch (format) {
- case GST_GL_BUFFER_FORMAT_RGBA:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA,
- buffer->width, buffer->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- break;
- case GST_GL_BUFFER_FORMAT_RGB:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGB,
- buffer->width, buffer->height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
- break;
- case GST_GL_BUFFER_FORMAT_YUYV:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA,
- buffer->width, buffer->height,
- 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
- break;
- case GST_GL_BUFFER_FORMAT_PLANAR444:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- buffer->width, buffer->height,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
-
- glGenTextures (1, &buffer->texture_u);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture_u);
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- buffer->width, buffer->height,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
-
- glGenTextures (1, &buffer->texture_v);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture_v);
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- buffer->width, buffer->height,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
- break;
- case GST_GL_BUFFER_FORMAT_PLANAR422:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- buffer->width, buffer->height,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
-
- glGenTextures (1, &buffer->texture_u);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture_u);
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- GST_ROUND_UP_2 (buffer->width) / 2, buffer->height,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
-
- glGenTextures (1, &buffer->texture_v);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture_v);
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- GST_ROUND_UP_2 (buffer->width) / 2, buffer->height,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
- break;
- case GST_GL_BUFFER_FORMAT_PLANAR420:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- buffer->width, buffer->height,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
-
- glGenTextures (1, &buffer->texture_u);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture_u);
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- GST_ROUND_UP_2 (buffer->width) / 2,
- GST_ROUND_UP_2 (buffer->height) / 2,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
-
- glGenTextures (1, &buffer->texture_v);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture_v);
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_LUMINANCE,
- GST_ROUND_UP_2 (buffer->width) / 2,
- GST_ROUND_UP_2 (buffer->height) / 2,
- 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL);
- break;
- default:
- g_warning ("GL buffer format not handled");
- }
-
- gst_gl_display_unlock (buffer->display);
-
- return buffer;
-}
-
-GstGLBuffer *
-gst_gl_buffer_new_from_video_format (GstGLDisplay * display,
- GstVideoFormat video_format, int width, int height)
-{
- GstGLBuffer *buffer;
-
- g_return_val_if_fail (width > 0, NULL);
- g_return_val_if_fail (height > 0, NULL);
-
- buffer = gst_gl_buffer_new_with_format (display,
- gst_gl_buffer_format_from_video_format (video_format), width, height);
-
- switch (video_format) {
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- buffer->is_yuv = FALSE;
- break;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- /* counterintuitive: when you use a GL_YCBCR_MESA texture, the
- * colorspace is automatically converted, so it's referred to
- * as RGB */
- buffer->is_yuv = FALSE;
- break;
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- buffer->is_yuv = TRUE;
- break;
- default:
- g_assert_not_reached ();
- }
-
- return buffer;
-}
-
-void
-gst_gl_buffer_upload (GstGLBuffer * buffer, GstVideoFormat video_format,
- void *data)
-{
- int width = buffer->width;
- int height = buffer->height;
-
- GST_DEBUG ("uploading %p %dx%d", data, width, height);
-
- g_return_if_fail (buffer->format ==
- gst_gl_buffer_format_from_video_format (video_format));
-
- gst_gl_display_lock (buffer->display);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture);
-
- switch (video_format) {
- case GST_VIDEO_FORMAT_RGBx:
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_RGBA, GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_BGRx:
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_xRGB:
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_xBGR:
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_YUY2:
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
- break;
- case GST_VIDEO_FORMAT_UYVY:
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
- break;
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
-
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture_u);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
- GST_ROUND_UP_2 (buffer->width) / 2,
- GST_ROUND_UP_2 (buffer->height) / 2,
- GL_LUMINANCE, GL_UNSIGNED_BYTE,
- (guint8 *) data +
- gst_video_format_get_component_offset (video_format, 1, width,
- height));
-
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, buffer->texture_v);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
- GST_ROUND_UP_2 (buffer->width) / 2,
- GST_ROUND_UP_2 (buffer->height) / 2,
- GL_LUMINANCE, GL_UNSIGNED_BYTE,
- (guint8 *) data +
- gst_video_format_get_component_offset (video_format, 2, width,
- height));
- break;
- default:
- g_assert_not_reached ();
- }
-
- gst_gl_display_unlock (buffer->display);
-}
-
-
-void
-gst_gl_buffer_download (GstGLBuffer * buffer, GstVideoFormat video_format,
- void *data)
-{
- GLuint fbo;
-
- g_return_if_fail (buffer->format ==
- gst_gl_buffer_format_from_video_format (video_format));
-
- GST_DEBUG ("downloading");
-
- gst_gl_display_lock (buffer->display);
-
- /* we need a reset function */
- glMatrixMode (GL_COLOR);
- glLoadIdentity ();
- glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, 0);
- glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, 0);
- glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, 0);
-
- glGenFramebuffersEXT (1, &fbo);
- glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
-
- glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB, buffer->texture, 0);
-
- glDrawBuffer (GL_COLOR_ATTACHMENT1_EXT);
- glReadBuffer (GL_COLOR_ATTACHMENT1_EXT);
-
- g_assert (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) ==
- GL_FRAMEBUFFER_COMPLETE_EXT);
-
- switch (video_format) {
- case GST_VIDEO_FORMAT_RGBx:
- glReadPixels (0, 0, buffer->width, buffer->height, GL_RGBA,
- GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_BGRx:
- glReadPixels (0, 0, buffer->width, buffer->height, GL_BGRA,
- GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_xBGR:
- glReadPixels (0, 0, buffer->width, buffer->height, GL_RGBA,
- GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_AYUV:
- case GST_VIDEO_FORMAT_xRGB:
- glReadPixels (0, 0, buffer->width, buffer->height, GL_BGRA,
- GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- g_warning ("video format not supported for download from GL texture");
- break;
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- glReadPixels (0, 0, buffer->width, buffer->height,
- GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
-
- glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB,
- buffer->texture_u, 0);
- glReadPixels (0, 0,
- GST_ROUND_UP_2 (buffer->width) / 2,
- GST_ROUND_UP_2 (buffer->height) / 2,
- GL_LUMINANCE, GL_UNSIGNED_BYTE,
- (guint8 *) data +
- gst_video_format_get_component_offset (video_format, 1, buffer->width,
- buffer->height));
-
- glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB,
- buffer->texture_v, 0);
- glReadPixels (0, 0,
- GST_ROUND_UP_2 (buffer->width) / 2,
- GST_ROUND_UP_2 (buffer->height) / 2,
- GL_LUMINANCE, GL_UNSIGNED_BYTE,
- (guint8 *) data +
- gst_video_format_get_component_offset (video_format, 2, buffer->width,
- buffer->height));
- break;
- default:
- g_assert_not_reached ();
- }
-
- glDeleteFramebuffersEXT (1, &fbo);
-
- gst_gl_display_unlock (buffer->display);
-}
-
-
-
-/* buffer format */
-
-GstGLBufferFormat
-gst_gl_buffer_format_from_video_format (GstVideoFormat format)
-{
- switch (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_AYUV:
- return GST_GL_BUFFER_FORMAT_RGBA;
- case GST_VIDEO_FORMAT_RGB:
- case GST_VIDEO_FORMAT_BGR:
- return GST_GL_BUFFER_FORMAT_RGB;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- return GST_GL_BUFFER_FORMAT_YUYV;
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- return GST_GL_BUFFER_FORMAT_PLANAR420;
- default:
- GST_WARNING ("GstVideoFormat %d not implemented", format);
- /* fall through */
- case GST_VIDEO_FORMAT_UNKNOWN:
- return GST_GL_BUFFER_FORMAT_UNKNOWN;
- }
-
- g_return_val_if_reached (GST_GL_BUFFER_FORMAT_UNKNOWN);
-}
-
-int
-gst_gl_buffer_format_get_size (GstGLBufferFormat format, int width, int height)
-{
- /* this is not strictly true, but it's used for compatibility with
- * queue and BaseTransform */
- return width * height * 4;
-}
-
-gboolean
-gst_gl_buffer_format_parse_caps (GstCaps * caps, GstGLBufferFormat * format,
- int *width, int *height)
-{
- GstStructure *structure;
- int format_as_int;
- gboolean ret;
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (!gst_structure_has_name (structure, "video/x-raw-gl")) {
- return FALSE;
- }
-
- ret = gst_structure_get_int (structure, "format", &format_as_int);
- *format = format_as_int;
- ret &= gst_structure_get_int (structure, "width", width);
- ret &= gst_structure_get_int (structure, "height", height);
-
- return ret;
-}
+++ /dev/null
-
-#ifndef _GST_GL_BUFFER_H_
-#define _GST_GL_BUFFER_H_
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <gstgldisplay.h>
-
-typedef struct _GstGLBuffer GstGLBuffer;
-
-#define GST_TYPE_GL_BUFFER (gst_gl_buffer_get_type())
-
-#define GST_IS_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_BUFFER))
-#define GST_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_BUFFER, GstGLBuffer))
-
-typedef enum {
- GST_GL_BUFFER_FORMAT_UNKNOWN,
- GST_GL_BUFFER_FORMAT_RGBA,
- GST_GL_BUFFER_FORMAT_RGB,
- GST_GL_BUFFER_FORMAT_YUYV,
- GST_GL_BUFFER_FORMAT_PLANAR444,
- GST_GL_BUFFER_FORMAT_PLANAR422,
- GST_GL_BUFFER_FORMAT_PLANAR420
-} GstGLBufferFormat;
-
-struct _GstGLBuffer {
- GstBuffer buffer;
-
- GstGLDisplay *display;
-
- GstGLBufferFormat format;
- gboolean is_yuv;
-
- GLuint texture;
- GLuint texture_u;
- GLuint texture_v;
-
- int width;
- int height;
-};
-
-GType gst_gl_buffer_get_type (void);
-
-#define gst_gl_buffer_ref(x) ((GstGLBuffer *)(gst_buffer_ref((GstBuffer *)(x))))
-#define gst_gl_buffer_unref(x) (gst_buffer_unref((GstBuffer *)(x)))
-
-GstGLBuffer * gst_gl_buffer_new (GstGLDisplay *display,
- int width, int height);
-GstGLBuffer * gst_gl_buffer_new_with_format (GstGLDisplay *display,
- GstGLBufferFormat format, int width, int height);
-GstGLBuffer * gst_gl_buffer_new_from_video_format (GstGLDisplay *display,
- GstVideoFormat format, int width, int height);
-void gst_gl_buffer_upload (GstGLBuffer *buffer,
- GstVideoFormat format, void *data);
-void gst_gl_buffer_download (GstGLBuffer *buffer, GstVideoFormat format,
- void *data);
-
-
-#define GST_GL_VIDEO_CAPS \
- "video/x-raw-gl," \
- "format=(int)1," \
- "is_yuv=(boolean)FALSE," \
- "width=(int)[1,2048]," \
- "height=(int)[1,2048]," \
- "pixel-aspect-ratio=(fraction)1/1," \
- "framerate=(fraction)[0/1,100/1]"
-
-GstGLBufferFormat gst_gl_buffer_format_from_video_format (GstVideoFormat format);
-int gst_gl_buffer_format_get_size (GstGLBufferFormat format, int width,
- int height);
-gboolean gst_gl_buffer_format_parse_caps (GstCaps *caps, GstGLBufferFormat *format,
- int *width, int *height);
-
-
-#endif
-
+++ /dev/null
-/* gstgldisplay.c
- * Copyright (C) 2007 David A. Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstgldisplay.h"
-#include "glextensions.h"
-#include <gst/gst.h>
-
-#include <string.h>
-
-static void gst_gl_display_finalize (GObject * object);
-static void gst_gl_display_init_tmp_window (GstGLDisplay * display);
-
-GST_BOILERPLATE (GstGLDisplay, gst_gl_display, GObject, G_TYPE_OBJECT);
-
-static void
-gst_gl_display_base_init (gpointer g_class)
-{
-
-}
-
-static void
-gst_gl_display_class_init (GstGLDisplayClass * klass)
-{
- G_OBJECT_CLASS (klass)->finalize = gst_gl_display_finalize;
-}
-
-static void
-gst_gl_display_init (GstGLDisplay * display, GstGLDisplayClass * klass)
-{
-
- display->lock = g_mutex_new ();
-
-}
-
-static void
-gst_gl_display_finalize (GObject * object)
-{
- GstGLDisplay *display = GST_GL_DISPLAY (object);
-
- GST_DEBUG ("finalize %p", object);
-
- if (display->window != None) {
- XDestroyWindow (display->display, display->window);
- }
- if (display->context) {
- glXDestroyContext (display->display, display->context);
- }
- //if (display->visinfo) {
- // XFree (display->visinfo);
- //}
- if (display->display) {
- XCloseDisplay (display->display);
- }
-
- if (display->lock) {
- g_mutex_free (display->lock);
- }
-}
-
-static gboolean gst_gl_display_check_features (GstGLDisplay * display);
-
-GstGLDisplay *
-gst_gl_display_new (void)
-{
- return g_object_new (GST_TYPE_GL_DISPLAY, NULL);
-}
-
-//#define HANDLE_X_ERRORS
-#ifdef HANDLE_X_ERRORS
-static int
-x_error_handler (Display * display, XErrorEvent * event)
-{
- g_assert_not_reached ();
-}
-#endif
-
-gboolean
-gst_gl_display_connect (GstGLDisplay * display, const char *display_name)
-{
- gboolean usable;
- XGCValues values;
- XPixmapFormatValues *px_formats;
- int n_formats;
- int i;
-
- display->display = XOpenDisplay (display_name);
- if (display->display == NULL) {
- return FALSE;
- }
-#ifdef HANDLE_X_ERRORS
- XSynchronize (display->display, True);
- XSetErrorHandler (x_error_handler);
-#endif
-
- usable = gst_gl_display_check_features (display);
- if (!usable) {
- return FALSE;
- }
-
- display->screen = DefaultScreenOfDisplay (display->display);
- display->screen_num = DefaultScreen (display->display);
- display->visual = DefaultVisual (display->display, display->screen_num);
- display->root = DefaultRootWindow (display->display);
- display->white = XWhitePixel (display->display, display->screen_num);
- display->black = XBlackPixel (display->display, display->screen_num);
- display->depth = DefaultDepthOfScreen (display->screen);
-
- display->gc = XCreateGC (display->display,
- DefaultRootWindow (display->display), 0, &values);
-
- px_formats = XListPixmapFormats (display->display, &n_formats);
- for (i = 0; i < n_formats; i++) {
- GST_DEBUG ("%d: depth %d bpp %d pad %d", i,
- px_formats[i].depth,
- px_formats[i].bits_per_pixel, px_formats[i].scanline_pad);
- }
-
- gst_gl_display_init_tmp_window (display);
-
- return TRUE;
-}
-
-static gboolean
-gst_gl_display_check_features (GstGLDisplay * display)
-{
- gboolean ret;
- XVisualInfo *visinfo;
- Screen *screen;
- Window root;
- int scrnum;
- int attrib[] = { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_RED_SIZE, 8,
- GLX_GREEN_SIZE, 8, GLX_BLUE_SIZE, 8, None
- };
- XSetWindowAttributes attr;
- int error_base;
- int event_base;
- int mask;
- const char *extstring;
- Window window;
-
- screen = XDefaultScreenOfDisplay (display->display);
- scrnum = XScreenNumberOfScreen (screen);
- root = XRootWindow (display->display, scrnum);
-
- ret = glXQueryExtension (display->display, &error_base, &event_base);
- if (!ret) {
- GST_DEBUG ("No GLX extension");
- return FALSE;
- }
-
- visinfo = glXChooseVisual (display->display, scrnum, attrib);
- if (visinfo == NULL) {
- GST_DEBUG ("No usable visual");
- return FALSE;
- }
-
- display->visinfo = visinfo;
-
- display->context = glXCreateContext (display->display, visinfo, NULL, True);
-
- attr.background_pixel = 0;
- attr.border_pixel = 0;
- attr.colormap = XCreateColormap (display->display, root,
- visinfo->visual, AllocNone);
- attr.event_mask = StructureNotifyMask | ExposureMask;
- attr.override_redirect = True;
-
- mask = CWBackPixel | CWBorderPixel | CWColormap | CWOverrideRedirect;
-
- GST_DEBUG ("creating window with visual %ld", visinfo->visualid);
-
- window = XCreateWindow (display->display, root, 0, 0,
- 100, 100, 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr);
-
- XSync (display->display, FALSE);
-
- glXMakeCurrent (display->display, window, display->context);
-
- glGetIntegerv (GL_MAX_TEXTURE_SIZE, &display->max_texture_size);
-
- extstring = (const char *) glGetString (GL_EXTENSIONS);
-
- display->have_ycbcr_texture = FALSE;
-#ifdef GL_YCBCR_MESA
- if (strstr (extstring, "GL_MESA_ycbcr_texture")) {
- display->have_ycbcr_texture = TRUE;
- }
-#endif
-
- display->have_color_matrix = FALSE;
-#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
- if (strstr (extstring, "GL_SGI_color_matrix")) {
- display->have_color_matrix = TRUE;
- }
-#endif
-
- display->have_texture_rectangle = FALSE;
-#ifdef GL_TEXTURE_RECTANGLE_ARB
- if (strstr (extstring, "GL_ARB_texture_rectangle")) {
- display->have_texture_rectangle = TRUE;
- }
-#endif
-
- glXMakeCurrent (display->display, None, NULL);
- XDestroyWindow (display->display, window);
-
- return TRUE;
-}
-
-gboolean
-gst_gl_display_can_handle_type (GstGLDisplay * display, GstVideoFormat type)
-{
- switch (type) {
- case GST_VIDEO_FORMAT_RGBx:
- case GST_VIDEO_FORMAT_BGRx:
- case GST_VIDEO_FORMAT_xRGB:
- case GST_VIDEO_FORMAT_xBGR:
- return TRUE;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- return display->have_ycbcr_texture;
- case GST_VIDEO_FORMAT_AYUV:
- return display->have_color_matrix;
- default:
- return FALSE;
- }
-}
-
-void
-gst_gl_display_lock (GstGLDisplay * display)
-{
- gboolean ret;
-
- g_assert (display->window != None);
- g_assert (display->context != NULL);
-
- g_mutex_lock (display->lock);
- ret = glXMakeCurrent (display->display, display->window, display->context);
- if (!ret) {
- g_warning ("glxMakeCurrent failed");
- }
- gst_gl_display_check_error (display, __LINE__);
-}
-
-void
-gst_gl_display_unlock (GstGLDisplay * display)
-{
- gst_gl_display_check_error (display, __LINE__);
- glXMakeCurrent (display->display, None, NULL);
- g_mutex_unlock (display->lock);
-}
-
-static void
-gst_gl_display_init_tmp_window (GstGLDisplay * display)
-{
- XSetWindowAttributes attr = { 0 };
- int scrnum;
- int mask;
- Window root;
- Window parent_window;
- Screen *screen;
- int width;
- int height;
-
- GST_DEBUG ("creating temp window");
-
- screen = XDefaultScreenOfDisplay (display->display);
- scrnum = XScreenNumberOfScreen (screen);
- root = XRootWindow (display->display, scrnum);
-
- attr.background_pixel = 0;
- attr.border_pixel = 0;
- attr.colormap = XCreateColormap (display->display, root,
- display->visinfo->visual, AllocNone);
- if (display->parent_window != None) {
- XWindowAttributes parent_attr;
-
- attr.override_redirect = True;
- parent_window = display->parent_window;
-
- XGetWindowAttributes (display->display, parent_window, &parent_attr);
- width = parent_attr.width;
- height = parent_attr.height;
- } else {
- attr.override_redirect = False;
- parent_window = root;
- width = 100;
- height = 100;
- }
-
- mask = CWBackPixel | CWBorderPixel | CWColormap | CWOverrideRedirect;
-
- display->window = XCreateWindow (display->display,
- parent_window, 0, 0, width, height,
- 0, display->visinfo->depth, InputOutput,
- display->visinfo->visual, mask, &attr);
- if (display->visible) {
- XMapWindow (display->display, display->window);
- }
- XSync (display->display, FALSE);
-}
-
-static void
-gst_gl_display_destroy_tmp_window (GstGLDisplay * display)
-{
- XDestroyWindow (display->display, display->window);
-}
-
-void
-gst_gl_display_set_visible (GstGLDisplay * display, gboolean visible)
-{
- if (display->visible == visible)
- return;
- display->visible = visible;
- if (display->visible) {
- XMapWindow (display->display, display->window);
- } else {
- XUnmapWindow (display->display, display->window);
- }
- XSync (display->display, FALSE);
-}
-
-void
-gst_gl_display_set_window (GstGLDisplay * display, Window window)
-{
- g_mutex_lock (display->lock);
-
- if (display->display == NULL) {
- display->parent_window = window;
- } else {
- if (window != display->parent_window) {
- XSync (display->display, False);
-
- gst_gl_display_destroy_tmp_window (display);
-
- display->parent_window = window;
-
- gst_gl_display_init_tmp_window (display);
- }
- }
-
- g_mutex_unlock (display->lock);
-}
-
-void
-gst_gl_display_update_window (GstGLDisplay * display)
-{
- XWindowAttributes attr;
-
- g_return_if_fail (display != NULL);
-
- g_mutex_lock (display->lock);
- if (display->window != None && display->parent_window != None) {
- XSync (display->display, False);
- XGetWindowAttributes (display->display, display->parent_window, &attr);
-
- GST_DEBUG ("new size %d %d", attr.width, attr.height);
-
- if (display->win_width != attr.width || display->win_height != attr.height) {
- XResizeWindow (display->display, display->window,
- attr.width, attr.height);
- //XSync (display->display, False);
- }
- display->win_width = attr.width;
- display->win_height = attr.height;
- }
- g_mutex_unlock (display->lock);
-}
-
-void
-gst_gl_display_update_attributes (GstGLDisplay * display)
-{
- XWindowAttributes attr;
-
- if (display->window != None) {
- XGetWindowAttributes (display->display, display->window, &attr);
-
- GST_DEBUG ("window visual %ld display visual %ld",
- attr.visual->visualid, display->visinfo->visual->visualid);
-
- display->win_width = attr.width;
- display->win_height = attr.height;
- } else {
- display->win_width = 0;
- display->win_height = 0;
- }
-}
-
-void
-gst_gl_display_set_window_size (GstGLDisplay * display, int width, int height)
-{
- if (display->win_width != width || display->win_height != height) {
- display->win_width = width;
- display->win_height = height;
- XResizeWindow (display->display, display->window, width, height);
- XSync (display->display, False);
- }
-}
-
-void
-gst_gl_display_clear (GstGLDisplay * display)
-{
- gst_gl_display_lock (display);
-
- glDepthFunc (GL_LESS);
- glEnable (GL_DEPTH_TEST);
- glClearColor (0.2, 0.2, 0.2, 1.0);
- glViewport (0, 0, display->win_width, display->win_height);
-
- gst_gl_display_unlock (display);
-}
-
-void
-gst_gl_display_check_error (GstGLDisplay * display, int line)
-{
- GLenum err = glGetError ();
-
- if (err) {
- GST_ERROR ("GL Error 0x%x at line %d", (int) err, line);
- g_assert (0);
- }
-}
-
-
-GLuint
-gst_gl_display_upload_texture_rectangle (GstGLDisplay * display,
- GstVideoFormat type, void *data, int width, int height)
-{
- GLuint texture;
-
- glGenTextures (1, &texture);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
-
- switch (type) {
- case GST_VIDEO_FORMAT_RGBx:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_RGBA, GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_BGRx:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_xRGB:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_xBGR:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_YUY2:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
- 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
- break;
- case GST_VIDEO_FORMAT_UYVY:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
- 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
- break;
- case GST_VIDEO_FORMAT_AYUV:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- default:
- g_assert_not_reached ();
- }
-
- return texture;
-}
-
-
-#if 0
-static void
-draw_rect_texture (GstGLDisplay * display, GstVideoFormat type,
- void *data, int width, int height)
-{
- GLuint texture;
-
- GST_DEBUG ("using rectangular texture");
-
-#ifdef GL_TEXTURE_RECTANGLE_ARB
- glEnable (GL_TEXTURE_RECTANGLE_ARB);
-
- texture = gst_gl_display_upload_texture_rectangle (display, type,
- data, width, height);
-
- 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);
- glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-
-#if 0
- switch (type) {
- case GST_VIDEO_FORMAT_RGBx:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_RGBA, GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_BGRx:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_xRGB:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_xBGR:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_YUY2:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
- 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
- break;
- case GST_VIDEO_FORMAT_UYVY:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_YCBCR_MESA, width, height,
- 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
- break;
- case GST_VIDEO_FORMAT_AYUV:
- glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, width, height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- default:
- g_assert_not_reached ();
- }
-
-#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
- if (type == GST_VIDEO_FORMAT_AYUV) {
- const double matrix[16] = {
- 1, 1, 1, 0,
- 0, -0.344 * 1, 1.770 * 1, 0,
- 1.403 * 1, -0.714 * 1, 0, 0,
- 0, 0, 0, 1
- };
- glMatrixMode (GL_COLOR);
- glLoadMatrixd (matrix);
- glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, -1.403 / 2);
- glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, (0.344 + 0.714) / 2);
- glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, -1.770 / 2);
- }
-#endif
-#endif
-
- glColor4f (1, 0, 1, 1);
- glBegin (GL_QUADS);
-
- glNormal3f (0, 0, -1);
-
- glTexCoord2f (width, 0);
- glVertex3f (1.0, 1.0, 0);
- glTexCoord2f (0, 0);
- glVertex3f (-1.0, 1.0, 0);
- glTexCoord2f (0, height);
- glVertex3f (-1.0, -1.0, 0);
- glTexCoord2f (width, height);
- glVertex3f (1.0, -1.0, 0);
- glEnd ();
- glDeleteTextures (1, &texture);
-#else
- g_assert_not_reached ();
-#endif
-}
-
-static void
-draw_pow2_texture (GstGLDisplay * display, GstVideoFormat type,
- void *data, int width, int height)
-{
- int pow2_width;
- int pow2_height;
- double x, y;
- GLuint texture;
-
- GST_DEBUG ("using power-of-2 texture");
-
- for (pow2_height = 64;
- pow2_height < height && pow2_height > 0; pow2_height <<= 1);
- for (pow2_width = 64; pow2_width < width && pow2_width > 0; pow2_width <<= 1);
-
- glEnable (GL_TEXTURE_2D);
- glGenTextures (1, &texture);
- glBindTexture (GL_TEXTURE_2D, texture);
- 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_CLAMP);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-
- switch (type) {
- case GST_VIDEO_FORMAT_RGBx:
- glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
- GL_RGBA, GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_BGRx:
- glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_BYTE, data);
- break;
- case GST_VIDEO_FORMAT_xRGB:
- glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_xBGR:
- glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
- GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- case GST_VIDEO_FORMAT_YUY2:
- glTexImage2D (GL_TEXTURE_2D, 0, GL_YCBCR_MESA, pow2_width, pow2_height,
- 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
- GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, data);
- break;
- case GST_VIDEO_FORMAT_UYVY:
- glTexImage2D (GL_TEXTURE_2D, 0, GL_YCBCR_MESA, pow2_width, pow2_height,
- 0, GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_REV_MESA, NULL);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
- GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_MESA, data);
- break;
- case GST_VIDEO_FORMAT_AYUV:
- glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, pow2_width, pow2_height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, width, height,
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, data);
- break;
- default:
- g_assert_not_reached ();
- }
-
-#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
- if (type == GST_VIDEO_FORMAT_AYUV) {
- const double matrix[16] = {
- 1, 1, 1, 0,
- 0, -0.344 * 1, 1.770 * 1, 0,
- 1.403 * 1, -0.714 * 1, 0, 0,
- 0, 0, 0, 1
- };
- glMatrixMode (GL_COLOR);
- glLoadMatrixd (matrix);
- glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, -1.403 / 2);
- glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, (0.344 + 0.714) / 2);
- glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, -1.770 / 2);
- }
-#endif
-
- glColor4f (1, 0, 1, 1);
- glBegin (GL_QUADS);
-
- glNormal3f (0, 0, -1);
-
- x = (double) width / pow2_width;
- y = (double) height / pow2_height;
-
- glTexCoord2f (x, 0);
- glVertex3f (1.0, 1.0, 0);
- glTexCoord2f (0, 0);
- glVertex3f (-1.0, 1.0, 0);
- glTexCoord2f (0, y);
- glVertex3f (-1.0, -1.0, 0);
- glTexCoord2f (x, y);
- glVertex3f (1.0, -1.0, 0);
- glEnd ();
- glDeleteTextures (1, &texture);
-}
-#endif
-
-#if 0
-void
-gst_gl_display_draw_image (GstGLDisplay * display, GstVideoFormat type,
- void *data, int width, int height)
-{
- g_return_if_fail (data != NULL);
- g_return_if_fail (width > 0);
- g_return_if_fail (height > 0);
-
- gst_gl_display_lock (display);
-
-#if 0
- /* Doesn't work */
- {
- int64_t ust = 1234;
- int64_t mst = 1234;
- int64_t sbc = 1234;
- gboolean ret;
-
- ret = glXGetSyncValuesOML (display->display, display->window,
- &ust, &mst, &sbc);
- GST_ERROR ("sync values %d %" G_GINT64_FORMAT " %" G_GINT64_FORMAT
- " %" G_GINT64_FORMAT, ret, ust, mst, sbc);
- }
-#endif
-
-#if 0
- /* Does work, but is not relevant */
- {
- int32_t num = 1234;
- int32_t den = 1234;
- gboolean ret;
-
- ret = glXGetMscRateOML (display->display, display->window, &num, &den);
- GST_DEBUG ("rate %d %d %d", ret, num, den);
- }
-#endif
-
- gst_gl_display_update_attributes (display);
-
- glXSwapIntervalSGI (1);
- glViewport (0, 0, display->win_width, display->win_height);
-
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glMatrixMode (GL_PROJECTION);
- glLoadIdentity ();
-
- glMatrixMode (GL_MODELVIEW);
- glLoadIdentity ();
-
- glDisable (GL_CULL_FACE);
- glEnableClientState (GL_TEXTURE_COORD_ARRAY);
-
- glColor4f (1, 1, 1, 1);
-
- if (display->have_texture_rectangle) {
- draw_rect_texture (display, type, data, width, height);
- } else {
- draw_pow2_texture (display, type, data, width, height);
- }
-
- glXSwapBuffers (display->display, display->window);
-#if 0
- /* Doesn't work */
- {
- ret = glXSwapBuffersMscOML (display->display, display->window, 0, 1, 0);
- if (ret == 0) {
- GST_DEBUG ("glXSwapBuffersMscOML failed");
- }
- }
-#endif
-
- gst_gl_display_unlock (display);
-}
-#endif
-
-void
-gst_gl_display_draw_texture (GstGLDisplay * display, GLuint texture,
- int width, int height, gboolean sync)
-{
- g_return_if_fail (width > 0);
- g_return_if_fail (height > 0);
- g_return_if_fail (texture != None);
-
- gst_gl_display_lock (display);
-
- g_assert (display->window != None);
- g_assert (display->context != NULL);
-
- //gst_gl_display_update_attributes (display);
-#if 0
- /* Doesn't work */
- {
- int64_t ust = 1234;
- int64_t mst = 1234;
- int64_t sbc = 1234;
- gboolean ret;
-
- ret = glXGetSyncValuesOML (display->display, display->window,
- &ust, &mst, &sbc);
- GST_ERROR ("sync values %d %" G_GINT64_FORMAT " %" G_GINT64_FORMAT
- " %" G_GINT64_FORMAT, ret, ust, mst, sbc);
- }
-#endif
-
- if (sync) {
- glXSwapIntervalSGI (1);
- } else {
- glXSwapIntervalSGI (0);
- }
-
- glViewport (0, 0, display->win_width, display->win_height);
-
- glClearColor (0.3, 0.3, 0.3, 1.0);
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glMatrixMode (GL_PROJECTION);
- glLoadIdentity ();
-
- glMatrixMode (GL_MODELVIEW);
- glLoadIdentity ();
-
- glDisable (GL_CULL_FACE);
- glEnableClientState (GL_TEXTURE_COORD_ARRAY);
-
- glColor4f (1, 1, 1, 1);
-
- glEnable (GL_TEXTURE_RECTANGLE_ARB);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
- 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);
- glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-
- glColor4f (1, 0, 1, 1);
- gst_gl_display_check_error (display, __LINE__);
- glBegin (GL_QUADS);
-
- glNormal3f (0, 0, -1);
-
- glTexCoord2f (width, 0);
- glVertex3f (1.0, 1.0, 0);
- glTexCoord2f (0, 0);
- glVertex3f (-1.0, 1.0, 0);
- glTexCoord2f (0, height);
- glVertex3f (-1.0, -1.0, 0);
- glTexCoord2f (width, height);
- glVertex3f (1.0, -1.0, 0);
- glEnd ();
- gst_gl_display_check_error (display, __LINE__);
-
- glXSwapBuffers (display->display, display->window);
-
- gst_gl_display_unlock (display);
-}
+++ /dev/null
-
-#ifndef __GST_GL_H__
-#define __GST_GL_H__
-
-#include <GL/glx.h>
-#include <GL/gl.h>
-#include <gst/gst.h>
-#include <gst/video/video.h>
-
-typedef struct _GstGLDisplay GstGLDisplay;
-typedef struct _GstGLDisplayClass GstGLDisplayClass;
-
-#define GST_TYPE_GL_DISPLAY \
- (gst_gl_display_get_type())
-#define GST_GL_DISPLAY(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DISPLAY,GstGLDisplay))
-#define GST_GL_DISPLAY_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLDisplayClass))
-#define GST_IS_GL_DISPLAY(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DISPLAY))
-#define GST_IS_GL_DISPLAY_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_DISPLAY))
-
-
-struct _GstGLDisplay {
- GObject object;
-
- Display *display;
- GC gc;
- XVisualInfo *visinfo;
- GLXContext context;
- GMutex *lock;
-
- Screen *screen;
- int screen_num;
- Visual *visual;
- Window root;
- guint32 white;
- guint32 black;
- int depth;
-
- int max_texture_size;
-
- gboolean have_ycbcr_texture;
- gboolean have_texture_rectangle;
- gboolean have_color_matrix;
-
- Window window;
- gboolean visible;
- Window parent_window;
-
- int win_width;
- int win_height;
-
-};
-
-struct _GstGLDisplayClass {
- GObjectClass object_class;
-};
-
-GType gst_gl_display_get_type (void);
-
-
-GstGLDisplay *gst_gl_display_new (void);
-gboolean gst_gl_display_connect (GstGLDisplay *display,
- const char *display_name);
-gboolean gst_gl_display_can_handle_type (GstGLDisplay *display,
- GstVideoFormat type);
-void gst_gl_display_lock (GstGLDisplay *display);
-void gst_gl_display_unlock (GstGLDisplay *display);
-void gst_gl_display_set_window (GstGLDisplay *display, Window window);
-void gst_gl_display_update_attributes (GstGLDisplay *display);
-void gst_gl_display_clear (GstGLDisplay *display);
-void gst_gl_display_draw_texture (GstGLDisplay * display, GLuint texture,
- int width, int height, gboolean sync);
-void gst_gl_display_check_error (GstGLDisplay *display, int line);
-GLuint gst_gl_display_upload_texture_rectangle (GstGLDisplay *display,
- GstVideoFormat type, void *data, int width, int height);
-void gst_gl_display_set_visible (GstGLDisplay *display, gboolean visible);
-void gst_gl_display_set_window_size (GstGLDisplay *display, int width,
- int height);
-void gst_gl_display_update_window (GstGLDisplay * display);
-
-#endif
-
+++ /dev/null
-/*
- * GStreamer
- * Copyright (C) 2007 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <gstglbuffer.h>
-#include <gstglfilter.h>
-#include "glextensions.h"
-
-#define GST_CAT_DEFAULT gst_gl_filter_debug
-GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
-
-
-static GstStaticPadTemplate gst_gl_filter_src_pad_template =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
- );
-
-static GstStaticPadTemplate gst_gl_filter_sink_pad_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
- );
-
-#define DEBUG_INIT(bla) \
- GST_DEBUG_CATEGORY_INIT (gst_gl_filter_debug, "glfilter", 0, "glfilter element");
-
-GST_BOILERPLATE_FULL (GstGLFilter, gst_gl_filter, GstBaseTransform,
- GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
-
-static void gst_gl_filter_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_gl_filter_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static void gst_gl_filter_reset (GstGLFilter * filter);
-static gboolean gst_gl_filter_start (GstBaseTransform * bt);
-static gboolean gst_gl_filter_stop (GstBaseTransform * bt);
-static gboolean gst_gl_filter_get_unit_size (GstBaseTransform * trans,
- GstCaps * caps, guint * size);
-static GstFlowReturn gst_gl_filter_transform (GstBaseTransform * bt,
- GstBuffer * inbuf, GstBuffer * outbuf);
-static GstFlowReturn gst_gl_filter_prepare_output_buffer (GstBaseTransform *
- trans, GstBuffer * input, gint size, GstCaps * caps, GstBuffer ** buf);
-static gboolean gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
- GstCaps * outcaps);
-static gboolean gst_gl_filter_do_transform (GstGLFilter * filter,
- GstGLBuffer * inbuf, GstGLBuffer * outbuf);
-
-
-static void
-gst_gl_filter_base_init (gpointer klass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_gl_filter_src_pad_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_gl_filter_sink_pad_template));
-}
-
-static void
-gst_gl_filter_class_init (GstGLFilterClass * klass)
-{
- GObjectClass *gobject_class;
-
- gobject_class = (GObjectClass *) klass;
- gobject_class->set_property = gst_gl_filter_set_property;
- gobject_class->get_property = gst_gl_filter_get_property;
-
- GST_BASE_TRANSFORM_CLASS (klass)->transform = gst_gl_filter_transform;
- GST_BASE_TRANSFORM_CLASS (klass)->start = gst_gl_filter_start;
- GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_filter_stop;
- GST_BASE_TRANSFORM_CLASS (klass)->set_caps = gst_gl_filter_set_caps;
- GST_BASE_TRANSFORM_CLASS (klass)->get_unit_size = gst_gl_filter_get_unit_size;
- GST_BASE_TRANSFORM_CLASS (klass)->prepare_output_buffer =
- gst_gl_filter_prepare_output_buffer;
-}
-
-static void
-gst_gl_filter_init (GstGLFilter * filter, GstGLFilterClass * klass)
-{
- //gst_element_create_all_pads (GST_ELEMENT (filter));
-
- filter->sinkpad = gst_element_get_static_pad (GST_ELEMENT (filter), "sink");
- filter->srcpad = gst_element_get_static_pad (GST_ELEMENT (filter), "src");
-
- gst_gl_filter_reset (filter);
-}
-
-static void
-gst_gl_filter_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- //GstGLFilter *filter = GST_GL_FILTER (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_gl_filter_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- //GstGLFilter *filter = GST_GL_FILTER (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_gl_filter_reset (GstGLFilter * filter)
-{
- if (filter->display) {
- g_object_unref (filter->display);
- filter->display = NULL;
- }
- filter->format = GST_GL_BUFFER_FORMAT_UNKNOWN;
- filter->width = 0;
- filter->height = 0;
-}
-
-static gboolean
-gst_gl_filter_start (GstBaseTransform * bt)
-{
-
- return TRUE;
-}
-
-static gboolean
-gst_gl_filter_stop (GstBaseTransform * bt)
-{
- GstGLFilter *filter = GST_GL_FILTER (bt);
-
- gst_gl_filter_reset (filter);
-
- return TRUE;
-}
-
-static gboolean
-gst_gl_filter_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
- guint * size)
-{
- gboolean ret;
- GstGLBufferFormat format;
- int width;
- int height;
-
- ret = gst_gl_buffer_format_parse_caps (caps, &format, &width, &height);
- if (ret) {
- *size = gst_gl_buffer_format_get_size (format, width, height);
- }
-
- return TRUE;
-}
-
-static GstFlowReturn
-gst_gl_filter_prepare_output_buffer (GstBaseTransform * trans,
- GstBuffer * inbuf, gint size, GstCaps * caps, GstBuffer ** buf)
-{
- GstGLFilter *filter;
- GstGLBuffer *gl_inbuf = GST_GL_BUFFER (inbuf);
- GstGLBuffer *gl_outbuf;
-
- filter = GST_GL_FILTER (trans);
-
- if (filter->display == NULL) {
- filter->display = gl_inbuf->display;
- }
-
- gl_outbuf = gst_gl_buffer_new_with_format (filter->display,
- filter->format, filter->width, filter->height);
-
- *buf = GST_BUFFER (gl_outbuf);
- gst_buffer_set_caps (*buf, caps);
-
- return GST_FLOW_OK;
-}
-
-static gboolean
-gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
- GstCaps * outcaps)
-{
- GstGLFilter *filter;
- gboolean ret;
-
- filter = GST_GL_FILTER (bt);
-
- ret = gst_gl_buffer_format_parse_caps (incaps, &filter->format,
- &filter->width, &filter->height);
-
- if (!ret) {
- GST_DEBUG ("bad caps");
- return FALSE;
- }
-
- GST_ERROR ("set_caps %d %d", filter->width, filter->height);
-
- return ret;
-}
-
-static GstFlowReturn
-gst_gl_filter_transform (GstBaseTransform * bt, GstBuffer * inbuf,
- GstBuffer * outbuf)
-{
- GstGLFilter *filter;
- GstGLBuffer *gl_inbuf = GST_GL_BUFFER (inbuf);
- GstGLBuffer *gl_outbuf = GST_GL_BUFFER (outbuf);
-
- filter = GST_GL_FILTER (bt);
-
- gst_gl_filter_do_transform (filter, gl_inbuf, gl_outbuf);
-
- return GST_FLOW_OK;
-}
-
-static gboolean
-gst_gl_filter_do_transform (GstGLFilter * filter,
- GstGLBuffer * inbuf, GstGLBuffer * outbuf)
-{
- GstGLDisplay *display = inbuf->display;
- GstGLFilterClass *filter_class;
- unsigned int fbo;
-
- filter_class = GST_GL_FILTER_GET_CLASS (filter);
-
- gst_gl_display_lock (display);
-
- glGenFramebuffersEXT (1, &fbo);
- glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
-
- glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, outbuf->texture, 0);
-
- glDrawBuffer (GL_COLOR_ATTACHMENT0_EXT);
- glReadBuffer (GL_COLOR_ATTACHMENT0_EXT);
-
- g_assert (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) ==
- GL_FRAMEBUFFER_COMPLETE_EXT);
-
- glViewport (0, 0, outbuf->width, outbuf->height);
-
- glClearColor (0.3, 0.3, 0.3, 1.0);
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glMatrixMode (GL_PROJECTION);
- glLoadIdentity ();
-
- glMatrixMode (GL_MODELVIEW);
- glLoadIdentity ();
-
- glDisable (GL_CULL_FACE);
- glEnableClientState (GL_TEXTURE_COORD_ARRAY);
-
- glColor4f (1, 1, 1, 1);
-
- glEnable (GL_TEXTURE_RECTANGLE_ARB);
- glActiveTexture (GL_TEXTURE0);
- glBindTexture (GL_TEXTURE_RECTANGLE_ARB, inbuf->texture);
-
- filter_class->filter (filter, inbuf, outbuf);
-
-#if 0
- 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);
- glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-
- glColor4f (1, 0, 1, 1);
- glBegin (GL_QUADS);
-
- glNormal3f (0, 0, -1);
-
- glTexCoord2f (inbuf->width, 0);
- glVertex3f (0.9, -0.9, 0);
- glTexCoord2f (0, 0);
- glVertex3f (-1.0, -1.0, 0);
- glTexCoord2f (0, inbuf->height);
- glVertex3f (-1.0, 1.0, 0);
- glTexCoord2f (inbuf->width, inbuf->height);
- glVertex3f (1.0, 1.0, 0);
- glEnd ();
-#endif
-
- glFlush ();
-
- glDeleteFramebuffersEXT (1, &fbo);
-
- gst_gl_display_unlock (display);
-
- return TRUE;
-}
+++ /dev/null
-/*
- * GStreamer
- * Copyright (C) 2007 David Schleef <ds@schleef.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef _GST_GL_FILTER_H_
-#define _GST_GL_FILTER_H_
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <gst/base/gstbasetransform.h>
-#include <gstglbuffer.h>
-
-#define GST_TYPE_GL_FILTER (gst_gl_filter_get_type())
-#define GST_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER,GstGLFilter))
-#define GST_IS_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER))
-#define GST_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
-#define GST_IS_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER))
-#define GST_GL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
-typedef struct _GstGLFilter GstGLFilter;
-typedef struct _GstGLFilterClass GstGLFilterClass;
-
-typedef gboolean (*GstGLFilterProcessFunc) (GstGLFilter *filter,
- GstGLBuffer *inbuf, GstGLBuffer *outbuf);
-
-struct _GstGLFilter
-{
- GstBaseTransform base_transform;
-
- GstPad *srcpad;
- GstPad *sinkpad;
-
- /* < private > */
-
- GstGLDisplay *display;
- GstGLBufferFormat format;
- int width;
- int height;
-};
-
-struct _GstGLFilterClass
-{
- GstBaseTransformClass base_transform_class;
- GstGLFilterProcessFunc filter;
-};
-
-GType gst_gl_filter_get_type(void);
-
-#endif
-
projects / platform / upstream / gst-plugins-base.git / commitdiff