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[061/906] First SVN commit. This commit is a hack to make git-rebase work

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This commit is contained in:
David Schleef 2008-07-15 14:16:53 -07:00 committed by Tim-Philipp Müller
parent 01d6f2818c
commit 98e2942fed
9 changed files with 2 additions and 2138 deletions
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8
gst-libs/gst/gl/Makefile.am
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@ -2,17 +2,13 @@
lib_LTLIBRARIES = libgstgl-@GST_MAJORMINOR@.la lib_LTLIBRARIES = libgstgl-@GST_MAJORMINOR@.la
libgstgl_@GST_MAJORMINOR@_la_SOURCES = \ libgstgl_@GST_MAJORMINOR@_la_SOURCES = \
glextensions.c \
gstglbuffer.c \
gstgldisplay.c \ gstgldisplay.c \
gstglfilter.c gstglbuffer.c
libgstgl_@GST_MAJORMINOR@includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/gl libgstgl_@GST_MAJORMINOR@includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/gl
libgstgl_@GST_MAJORMINOR@include_HEADERS = \ libgstgl_@GST_MAJORMINOR@include_HEADERS = \
glextensions.h \
gstglbuffer.h \
gstgldisplay.h \ gstgldisplay.h \
gstglfilter.h gstglbuffer.h
libgstgl_@GST_MAJORMINOR@_la_LIBADD = \ libgstgl_@GST_MAJORMINOR@_la_LIBADD = \
$(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_MAJORMINOR) \ $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_MAJORMINOR) \

190
gst-libs/gst/gl/glextensions.c
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@ -1,190 +0,0 @@
#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));

64
gst-libs/gst/gl/glextensions.h
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@ -1,64 +0,0 @@
#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

454
gst-libs/gst/gl/gstglbuffer.c
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@ -1,454 +0,0 @@
#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;
}

76
gst-libs/gst/gl/gstglbuffer.h
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@ -1,76 +0,0 @@
#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

875
gst-libs/gst/gl/gstgldisplay.c
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@ -1,875 +0,0 @@
/* 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);
}

85
gst-libs/gst/gl/gstgldisplay.h
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@ -1,85 +0,0 @@
#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

323
gst-libs/gst/gl/gstglfilter.c
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@ -1,323 +0,0 @@
/*
* 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;
}

65
gst-libs/gst/gl/gstglfilter.h
View file

@ -1,65 +0,0 @@
/*
* 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