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[062/906] git-svn-id: svn://svn.wobow.com/GStreamer_playground/gst-plugins-gl@421 93df14bb-0f41-7a43-8087-d3e2a2f0e464
This commit is contained in:
Julien Isorce
Tim-Philipp Müller
parent
98e2942fed
commit
f0e8c70845
4 changed files with 2282 additions and 0 deletions
124
gst-libs/gst/gl/gstglbuffer.c
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124
gst-libs/gst/gl/gstglbuffer.c
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstglbuffer.h"
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static GObjectClass* gst_gl_buffer_parent_class;
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static void
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gst_gl_buffer_finalize (GstGLBuffer* buffer)
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{
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//wait clear textures end, blocking call
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gst_gl_display_clearTexture (buffer->display, buffer->texture,
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buffer->texture_u, buffer->texture_v);
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g_object_unref (buffer->display);
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GST_MINI_OBJECT_CLASS (gst_gl_buffer_parent_class)->
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finalize (GST_MINI_OBJECT (buffer));
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}
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static void
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gst_gl_buffer_init (GstGLBuffer* buffer, gpointer g_class)
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{
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buffer->display = NULL;
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buffer->video_format = 0;
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buffer->texture = 0;
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buffer->texture_u = 0;
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buffer->texture_v = 0;
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buffer->width = 0;
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buffer->height = 0;
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}
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static void
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gst_gl_buffer_class_init (gpointer g_class, gpointer class_data)
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{
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GstMiniObjectClass* mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
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gst_gl_buffer_parent_class = g_type_class_peek_parent (g_class);
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mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
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gst_gl_buffer_finalize;
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}
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GType
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gst_gl_buffer_get_type (void)
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{
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static GType _gst_gl_buffer_type;
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if (G_UNLIKELY (_gst_gl_buffer_type == 0)) {
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static const GTypeInfo info = {
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sizeof (GstBufferClass),
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NULL,
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NULL,
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gst_gl_buffer_class_init,
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NULL,
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NULL,
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sizeof (GstGLBuffer),
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0,
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(GInstanceInitFunc) gst_gl_buffer_init,
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NULL
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};
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_gst_gl_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
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"GstGLBuffer", &info, 0);
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}
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return _gst_gl_buffer_type;
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}
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GstGLBuffer*
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gst_gl_buffer_new_from_video_format (GstGLDisplay* display,
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GstVideoFormat video_format, gint context_width, gint context_height,
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gint width, gint height)
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{
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GstGLBuffer *buffer;
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g_return_val_if_fail (video_format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
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g_return_val_if_fail (display != NULL, NULL);
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g_return_val_if_fail (width > 0, NULL);
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g_return_val_if_fail (height > 0, NULL);
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buffer = (GstGLBuffer *) gst_mini_object_new (GST_TYPE_GL_BUFFER);
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buffer->display = g_object_ref (display);
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buffer->width = width;
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buffer->height = height;
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buffer->video_format = video_format;
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GST_BUFFER_SIZE (buffer) = gst_gl_buffer_format_get_size (video_format, context_width, context_height);
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//blocking call, init texture
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gst_gl_display_textureRequested (buffer->display, buffer->video_format,
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buffer->width, buffer->height,
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&buffer->texture, &buffer->texture_u, &buffer->texture_v) ;
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return buffer;
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}
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int
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gst_gl_buffer_format_get_size (GstVideoFormat format, int width, int height)
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{
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/* this is not strictly true, but it's used for compatibility with
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* queue and BaseTransform */
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return width * height * 4;
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}
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gboolean
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gst_gl_buffer_format_parse_caps (GstCaps * caps, GstVideoFormat * format,
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gint* width, gint* height)
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{
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GstStructure *structure;
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gboolean ret;
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structure = gst_caps_get_structure (caps, 0);
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if (!gst_structure_has_name (structure, "video/x-raw-gl"))
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return FALSE;
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ret = gst_structure_get_int (structure, "width", width);
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ret &= gst_structure_get_int (structure, "height", height);
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return ret;
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}
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54
gst-libs/gst/gl/gstglbuffer.h
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54
gst-libs/gst/gl/gstglbuffer.h
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#ifndef _GST_GL_BUFFER_H_
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#define _GST_GL_BUFFER_H_
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gstgldisplay.h"
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typedef struct _GstGLBuffer GstGLBuffer;
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#define GST_TYPE_GL_BUFFER (gst_gl_buffer_get_type())
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#define GST_IS_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_BUFFER))
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#define GST_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_BUFFER, GstGLBuffer))
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struct _GstGLBuffer {
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GstBuffer buffer;
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GstGLDisplay *display;
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GstVideoFormat video_format;
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GLuint texture;
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GLuint texture_u;
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GLuint texture_v;
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gint width;
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gint height;
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};
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GType gst_gl_buffer_get_type (void);
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#define gst_gl_buffer_ref(x) ((GstGLBuffer *)(gst_buffer_ref((GstBuffer *)(x))))
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#define gst_gl_buffer_unref(x) (gst_buffer_unref((GstBuffer *)(x)))
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GstGLBuffer* gst_gl_buffer_new_from_video_format (GstGLDisplay* display, GstVideoFormat format,
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gint context_width, gint context_height,
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gint width, gint height);
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gint gst_gl_buffer_format_get_size (GstVideoFormat format, gint width, gint height);
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gboolean gst_gl_buffer_format_parse_caps (GstCaps* caps, GstVideoFormat* format,
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gint* width, gint* height);
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#define GST_GL_VIDEO_CAPS \
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"video/x-raw-gl," \
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"width=(int)[1,1920]," \
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"height=(int)[1,1080]," \
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"pixel-aspect-ratio=(fraction)1/1," \
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"framerate=(fraction)[0/1,100/1]"
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#endif
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1909
gst-libs/gst/gl/gstgldisplay.c
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1909
gst-libs/gst/gl/gstgldisplay.c
Normal file
File diff suppressed because it is too large
Load diff
195
gst-libs/gst/gl/gstgldisplay.h
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195
gst-libs/gst/gl/gstgldisplay.h
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#ifndef __GST_GL_H__
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#define __GST_GL_H__
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#include <gl/glew.h>
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#include <GL/freeglut.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#define GST_TYPE_GL_DISPLAY \
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(gst_gl_display_get_type())
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#define GST_GL_DISPLAY(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DISPLAY,GstGLDisplay))
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#define GST_GL_DISPLAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLDisplayClass))
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#define GST_IS_GL_DISPLAY(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DISPLAY))
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#define GST_IS_GL_DISPLAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_DISPLAY))
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typedef struct _GstGLDisplay GstGLDisplay;
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typedef struct _GstGLDisplayClass GstGLDisplayClass;
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//Message type
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typedef enum {
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GST_GL_DISPLAY_ACTION_CREATE,
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GST_GL_DISPLAY_ACTION_DESTROY,
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GST_GL_DISPLAY_ACTION_VISIBLE,
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GST_GL_DISPLAY_ACTION_PREPARE,
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GST_GL_DISPLAY_ACTION_CHANGE,
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GST_GL_DISPLAY_ACTION_CLEAR,
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GST_GL_DISPLAY_ACTION_VIDEO,
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GST_GL_DISPLAY_ACTION_REDISPLAY
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} GstGLDisplayAction;
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//Message to communicate with the glut thread
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typedef struct _GstGLDisplayMsg {
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GstGLDisplayAction action;
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gint glutWinId;
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GstGLDisplay* display;
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} GstGLDisplayMsg;
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//Texture pool elements
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typedef struct _GstGLDisplayTex {
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GLuint texture;
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GLuint texture_u;
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GLuint texture_v;
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} GstGLDisplayTex;
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//Client callbacks
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typedef void (* CRCB) ( GLuint, GLuint );
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typedef gboolean (* CDCB) ( GLuint, GLuint, GLuint);
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struct _GstGLDisplay {
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GObject object;
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GMutex *mutex;
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GQueue* texturePool;
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GCond *cond_make;
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GCond *cond_fill;
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GCond *cond_clear;
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GCond *cond_video;
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GCond *cond_create;
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GCond *cond_destroy;
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gint glutWinId;
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gulong winId;
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GString *title;
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gint win_xpos;
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gint win_ypos;
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gint glcontext_width;
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gint glcontext_height;
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gboolean visible;
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//intput frame buffer object (video -> GL)
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GLuint fbo;
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GLuint depthBuffer;
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GLuint textureFBO;
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GLuint textureFBOWidth;
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GLuint textureFBOHeight;
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//graphic frame buffer object (GL texture -> GL scene)
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GLuint graphicFBO;
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GLuint graphicDepthBuffer;
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GLuint graphicTexture;
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GLuint requestedTexture;
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GLuint requestedTexture_u;
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GLuint requestedTexture_v;
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GstVideoFormat requestedVideo_format;
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GLuint requestedTextureWidth;
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GLuint requestedTextureHeight;
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GLuint candidateTexture;
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GLuint candidateTexture_u;
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GLuint candidateTexture_v;
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GstVideoFormat candidateVideo_format;
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GLuint candidateTextureWidth;
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GLuint candidateTextureHeight;
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gpointer candidateData;
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GLuint currentTexture;
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GLuint currentTexture_u;
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GLuint currentTexture_v;
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GstVideoFormat currentVideo_format;
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GLuint currentTextureWidth;
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GLuint currentTextureHeight;
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GLuint textureTrash;
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GLuint textureTrash_u;
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GLuint textureTrash_v;
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//output frame buffer object (GL -> video)
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GLuint videoFBO;
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GLuint videoDepthBuffer;
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GLuint videoTexture;
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GLuint videoTexture_u;
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GLuint videoTexture_v;
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gint outputWidth;
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gint outputHeight;
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GstVideoFormat outputVideo_format;
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gpointer outputData;
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GLenum multipleRT[3];
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//from video to texture
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gchar* textFProgram_YUY2_UYVY;
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GLhandleARB GLSLProgram_YUY2;
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GLhandleARB GLSLProgram_UYVY;
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gchar* textFProgram_I420_YV12;
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GLhandleARB GLSLProgram_I420_YV12;
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gchar* textFProgram_AYUV;
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GLhandleARB GLSLProgram_AYUV;
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//from texture to video
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gchar* textFProgram_to_YUY2_UYVY;
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GLhandleARB GLSLProgram_to_YUY2;
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GLhandleARB GLSLProgram_to_UYVY;
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gchar* textFProgram_to_I420_YV12;
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GLhandleARB GLSLProgram_to_I420_YV12;
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gchar* textFProgram_to_AYUV;
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GLhandleARB GLSLProgram_to_AYUV;
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//client callbacks
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CRCB clientReshapeCallback;
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CDCB clientDrawCallback;
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};
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struct _GstGLDisplayClass {
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GObjectClass object_class;
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};
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GType gst_gl_display_get_type (void);
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//------------------------------------------------------------
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//-------------------- Public déclarations ------------------
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//------------------------------------------------------------
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GstGLDisplay *gst_gl_display_new (void);
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void gst_gl_display_initGLContext (GstGLDisplay* display,
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GLint x, GLint y,
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GLint graphic_width, GLint graphic_height,
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GLint video_width, GLint video_height,
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gulong winId,
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gboolean visible);
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void gst_gl_display_setClientReshapeCallback (GstGLDisplay* display, CRCB cb);
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void gst_gl_display_setClientDrawCallback (GstGLDisplay* display, CDCB cb);
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void gst_gl_display_setVisibleWindow (GstGLDisplay* display, gboolean visible);
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void gst_gl_display_textureRequested (GstGLDisplay* display, GstVideoFormat format,
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gint width, gint height, guint* texture,
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guint* texture_u, guint* texture_v);
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void gst_gl_display_textureChanged (GstGLDisplay* display, GstVideoFormat video_format,
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GLuint texture, GLuint texture_u, GLuint texture_v,
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gint width, gint height, gpointer data);
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void gst_gl_display_clearTexture (GstGLDisplay* display, guint texture,
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guint texture_u, guint texture_v);
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void gst_gl_display_videoChanged (GstGLDisplay* display, GstVideoFormat video_format,
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gpointer data);
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void gst_gl_display_postRedisplay (GstGLDisplay* display);
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void gst_gl_display_set_windowId (GstGLDisplay* display, gulong winId);
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#endif
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