mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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c304635ecf
Use floats instead.
1512 lines
46 KiB
C
1512 lines
46 KiB
C
/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystree00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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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 <stdio.h>
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#include "gl.h"
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#include "gstglupload.h"
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/**
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* SECTION:gstglupload
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* @short_description: an object that uploads to GL textures
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* @see_also: #GstGLDownload, #GstGLMemory
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*
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* #GstGLUpload is an object that uploads data from system memory into GL textures.
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*
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* A #GstGLUpload can be created with gst_gl_upload_new()
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*/
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#define USING_OPENGL(display) (gst_gl_display_get_gl_api (display) & GST_GL_API_OPENGL)
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#define USING_OPENGL3(display) (gst_gl_display_get_gl_api (display) & GST_GL_API_OPENGL3)
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#define USING_GLES(display) (gst_gl_display_get_gl_api (display) & GST_GL_API_GLES)
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#define USING_GLES2(display) (gst_gl_display_get_gl_api (display) & GST_GL_API_GLES2)
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#define USING_GLES3(display) (gst_gl_display_get_gl_api (display) & GST_GL_API_GLES3)
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static void _do_upload (GstGLDisplay * display, GstGLUpload * upload);
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static gboolean _do_upload_fill (GstGLDisplay * display, GstGLUpload * upload);
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static gboolean _do_upload_make (GstGLDisplay * display, GstGLUpload * upload);
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static void _init_upload (GstGLDisplay * display, GstGLUpload * upload);
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static gboolean _init_upload_fbo (GstGLDisplay * display, GstGLUpload * upload);
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static gboolean _gst_gl_upload_perform_with_data_unlocked (GstGLUpload * upload,
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GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES]);
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#if GST_GL_HAVE_OPENGL
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static gboolean _do_upload_draw_opengl (GstGLDisplay * display,
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GstGLUpload * upload);
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#endif
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#if GST_GL_HAVE_GLES2
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static gboolean _do_upload_draw_gles2 (GstGLDisplay * display,
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GstGLUpload * upload);
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#endif
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/* *INDENT-OFF* */
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#define YUV_TO_RGB_COEFFICIENTS \
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"const vec3 offset = vec3(-0.0625, -0.5, -0.5);\n" \
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"const vec3 rcoeff = vec3(1.164, 0.000, 1.596);\n" \
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"const vec3 gcoeff = vec3(1.164,-0.391,-0.813);\n" \
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"const vec3 bcoeff = vec3(1.164, 2.018, 0.000);\n"
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#if GST_GL_HAVE_OPENGL
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static const char *frag_AYUV_opengl = {
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"#extension GL_ARB_texture_rectangle : enable\n"
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"uniform sampler2DRect tex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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YUV_TO_RGB_COEFFICIENTS
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"void main(void) {\n"
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" float r,g,b;\n"
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" vec3 yuv;\n"
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" yuv = texture2DRect(tex, gl_TexCoord[0].xy * tex_scale0).gba;\n"
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" yuv += offset;\n"
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" r = dot(yuv, rcoeff);\n"
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" g = dot(yuv, gcoeff);\n"
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" b = dot(yuv, bcoeff);\n"
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" gl_FragColor=vec4(r,g,b,1.0);\n"
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"}"
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};
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/** YUV to RGB conversion */
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static const char *frag_PLANAR_YUV_opengl = {
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"#extension GL_ARB_texture_rectangle : enable\n"
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"uniform sampler2DRect Ytex,Utex,Vtex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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YUV_TO_RGB_COEFFICIENTS
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"void main(void) {\n"
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" float r,g,b;\n"
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" vec3 yuv;\n"
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" yuv.x=texture2DRect(Ytex, gl_TexCoord[0].xy * tex_scale0).r;\n"
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" yuv.y=texture2DRect(Utex, gl_TexCoord[0].xy * tex_scale1).r;\n"
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" yuv.z=texture2DRect(Vtex, gl_TexCoord[0].xy * tex_scale2).r;\n"
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" yuv += offset;\n"
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" r = dot(yuv, rcoeff);\n"
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" g = dot(yuv, gcoeff);\n"
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" b = dot(yuv, bcoeff);\n"
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" gl_FragColor=vec4(r,g,b,1.0);\n"
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"}"
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};
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/** NV12/NV21 to RGB conversion */
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static const char *frag_NV12_NV21_opengl = {
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"#extension GL_ARB_texture_rectangle : enable\n"
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"uniform sampler2DRect Ytex,UVtex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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YUV_TO_RGB_COEFFICIENTS
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"void main(void) {\n\n"
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" float r,g,b;\n"
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" vec3 yuv;\n"
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" yuv.x = texture2DRect(Ytex, gl_TexCoord[0].xy * tex_scale0).r;\n"
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" yuv.yz = texture2DRect(UVtex, gl_TexCoord[0].xy * tex_scale1).%c%c;\n"
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" yuv += offset;\n"
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" r = dot(yuv, rcoeff);\n"
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" g = dot(yuv, gcoeff);\n"
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" b = dot(yuv, bcoeff);\n"
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" gl_FragColor=vec4(r,g,b,1.0);\n"
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"}"
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};
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/* Channel reordering for XYZ <-> ZYX conversion */
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static const char *frag_REORDER_opengl = {
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"#extension GL_ARB_texture_rectangle : enable\n"
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"uniform sampler2DRect tex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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"void main(void)\n"
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"{\n"
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" vec4 t = texture2DRect(tex, gl_TexCoord[0].xy);\n"
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" gl_FragColor = vec4(t.%c, t.%c, t.%c, 1.0);\n"
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"}"
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};
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/* Direct fragments copy with stride-scaling */
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static const char *frag_COPY_opengl = {
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"#extension GL_ARB_texture_rectangle : enable\n"
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"uniform sampler2DRect tex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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"void main(void)\n"
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"{\n"
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" vec4 t = texture2DRect(tex, gl_TexCoord[0].xy);\n"
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" gl_FragColor = vec4(t.rgb, 1.0);\n"
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"}\n"
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};
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/* YUY2:r,g,a
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UYVY:a,b,r */
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static const gchar *frag_YUY2_UYVY_opengl =
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"#extension GL_ARB_texture_rectangle : enable\n"
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"uniform sampler2DRect Ytex, UVtex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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YUV_TO_RGB_COEFFICIENTS
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"void main(void) {\n"
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" float fx, fy, y, u, v, r, g, b;\n"
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" vec3 yuv;\n"
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" yuv.x = texture2DRect(Ytex, gl_TexCoord[0].xy * tex_scale0).%c;\n"
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" yuv.y = texture2DRect(UVtex, gl_TexCoord[0].xy * tex_scale1).%c;\n"
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" yuv.z = texture2DRect(UVtex, gl_TexCoord[0].xy * tex_scale2).%c;\n"
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" yuv += offset;\n"
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" r = dot(yuv, rcoeff);\n"
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" g = dot(yuv, gcoeff);\n"
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" b = dot(yuv, bcoeff);\n"
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" gl_FragColor = vec4(r, g, b, 1.0);\n"
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"}\n";
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#define text_vertex_shader_opengl NULL
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#endif
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#if GST_GL_HAVE_GLES2
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/* Channel reordering for XYZ <-> ZYX conversion */
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static const char *frag_REORDER_gles2 = {
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"precision mediump float;\n"
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"varying vec2 v_texcoord;\n"
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"uniform sampler2D tex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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"void main(void)\n"
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"{\n"
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" vec4 t = texture2D(tex, v_texcoord);\n"
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" gl_FragColor = vec4(t.%c, t.%c, t.%c, 1.0);\n"
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"}"
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};
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static const char *frag_AYUV_gles2 = {
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"precision mediump float;\n"
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"varying vec2 v_texcoord;\n"
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"uniform sampler2D tex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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YUV_TO_RGB_COEFFICIENTS
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"void main(void) {\n"
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" float r,g,b;\n"
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" vec3 yuv;\n"
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" yuv = texture2D(tex,v_texcoord).gba;\n"
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" yuv += offset;\n"
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" r = dot(yuv, rcoeff);\n"
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" g = dot(yuv, gcoeff);\n"
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" b = dot(yuv, bcoeff);\n"
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" gl_FragColor=vec4(r,g,b,1.0);\n"
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"}"
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};
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/** YUV to RGB conversion */
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static const char *frag_PLANAR_YUV_gles2 = {
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"precision mediump float;\n"
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"varying vec2 v_texcoord;\n"
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"uniform sampler2D Ytex,Utex,Vtex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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YUV_TO_RGB_COEFFICIENTS
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"void main(void) {\n"
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" float r,g,b;\n"
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" vec3 yuv;\n"
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" yuv.x=texture2D(Ytex,v_texcoord).r;\n"
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" yuv.y=texture2D(Utex,v_texcoord).r;\n"
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" yuv.z=texture2D(Vtex,v_texcoord).r;\n"
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" yuv += offset;\n"
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" r = dot(yuv, rcoeff);\n"
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" g = dot(yuv, gcoeff);\n"
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" b = dot(yuv, bcoeff);\n"
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" gl_FragColor=vec4(r,g,b,1.0);\n"
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"}"
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};
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/** NV12/NV21 to RGB conversion */
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static const char *frag_NV12_NV21_gles2 = {
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"precision mediump float;\n"
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"varying vec2 v_texcoord;\n"
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"uniform sampler2D Ytex,UVtex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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YUV_TO_RGB_COEFFICIENTS
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"void main(void) {\n"
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" float r,g,b;\n"
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" vec3 yuv;\n"
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" yuv.x=texture2D(Ytex, v_texcoord).r;\n"
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" yuv.yz=texture2D(UVtex, v_texcoord).%c%c;\n"
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" yuv += offset;\n"
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" r = dot(yuv, rcoeff);\n"
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" g = dot(yuv, gcoeff);\n"
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" b = dot(yuv, bcoeff);\n"
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" gl_FragColor=vec4(r,g,b,1.0);\n"
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"}"
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};
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/* Direct fragments copy with stride-scaling */
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static const char *frag_COPY_gles2 = {
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"precision mediump float;\n"
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"varying vec2 v_texcoord;\n"
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"uniform sampler2D tex;\n"
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"uniform vec2 tex_scale0;\n"
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"uniform vec2 tex_scale1;\n"
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"uniform vec2 tex_scale2;\n"
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"void main(void)\n"
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"{\n"
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" vec4 t = texture2D(tex, v_texcoord);\n"
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" gl_FragColor = vec4(t.rgb, 1.0);\n"
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"}"
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};
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/* YUY2:r,g,a
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UYVY:a,b,r */
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static const gchar *frag_YUY2_UYVY_gles2 =
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"precision mediump float;\n"
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"varying vec2 v_texcoord;\n"
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"uniform sampler2D Ytex, UVtex;\n"
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YUV_TO_RGB_COEFFICIENTS
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"void main(void) {\n"
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" vec3 yuv;\n"
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" float fx, fy, y, u, v, r, g, b;\n"
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" fx = v_texcoord.x;\n"
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" fy = v_texcoord.y;\n"
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" yuv.x = texture2D(Ytex,vec2(fx,fy)).%c;\n"
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" yuv.y = texture2D(UVtex,vec2(fx*0.5,fy)).%c;\n"
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" yuv.z = texture2D(UVtex,vec2(fx*0.5,fy)).%c;\n"
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" yuv+=offset;\n"
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" r = dot(yuv, rcoeff);\n"
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" g = dot(yuv, gcoeff);\n"
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" b = dot(yuv, bcoeff);\n"
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" gl_FragColor = vec4(r, g, b, 1.0);\n"
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"}\n";
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static const gchar *text_vertex_shader_gles2 =
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"attribute vec4 a_position; \n"
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"attribute vec2 a_texcoord; \n"
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"varying vec2 v_texcoord; \n"
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"void main() \n"
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"{ \n"
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" gl_Position = a_position; \n"
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" v_texcoord = a_texcoord; \n"
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"} \n";
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#endif
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/* *INDENT-ON* */
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struct _GstGLUploadPrivate
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{
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int n_textures;
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gboolean result;
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const gchar *YUY2_UYVY;
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const gchar *PLANAR_YUV;
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const gchar *AYUV;
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const gchar *NV12_NV21;
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const gchar *REORDER;
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const gchar *COPY;
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const gchar *vert_shader;
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gboolean (*draw) (GstGLDisplay * display, GstGLUpload * download);
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};
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GST_DEBUG_CATEGORY_STATIC (gst_gl_upload_debug);
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#define GST_CAT_DEFAULT gst_gl_upload_debug
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_INIT (gst_gl_upload_debug, "glupload", 0, "upload");
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G_DEFINE_TYPE_WITH_CODE (GstGLUpload, gst_gl_upload, G_TYPE_OBJECT, DEBUG_INIT);
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static void gst_gl_upload_finalize (GObject * object);
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#define GST_GL_UPLOAD_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
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GST_TYPE_GL_UPLOAD, GstGLUploadPrivate))
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static void
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gst_gl_upload_class_init (GstGLUploadClass * klass)
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{
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g_type_class_add_private (klass, sizeof (GstGLUploadPrivate));
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G_OBJECT_CLASS (klass)->finalize = gst_gl_upload_finalize;
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}
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static void
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gst_gl_upload_init (GstGLUpload * upload)
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{
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upload->priv = GST_GL_UPLOAD_GET_PRIVATE (upload);
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upload->display = NULL;
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g_mutex_init (&upload->lock);
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upload->fbo = 0;
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upload->depth_buffer = 0;
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upload->out_texture = 0;
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upload->shader = NULL;
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upload->shader_attr_position_loc = 0;
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upload->shader_attr_texture_loc = 0;
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gst_video_info_init (&upload->info);
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}
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/**
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* gst_gl_upload_new:
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* @display: a #GstGLDisplay
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*
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* Returns: a new #GstGLUpload object
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*/
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GstGLUpload *
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gst_gl_upload_new (GstGLDisplay * display)
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{
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GstGLUpload *upload;
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GstGLUploadPrivate *priv;
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upload = g_object_new (GST_TYPE_GL_UPLOAD, NULL);
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upload->display = gst_object_ref (display);
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priv = upload->priv;
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g_mutex_init (&upload->lock);
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#if GST_GL_HAVE_OPENGL
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if (USING_OPENGL (display)) {
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priv->YUY2_UYVY = frag_YUY2_UYVY_opengl;
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priv->PLANAR_YUV = frag_PLANAR_YUV_opengl;
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priv->AYUV = frag_AYUV_opengl;
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priv->REORDER = frag_REORDER_opengl;
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priv->COPY = frag_COPY_opengl;
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priv->NV12_NV21 = frag_NV12_NV21_opengl;
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priv->vert_shader = text_vertex_shader_opengl;
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priv->draw = _do_upload_draw_opengl;
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}
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#endif
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#if GST_GL_HAVE_GLES2
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if (USING_GLES2 (display)) {
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priv->YUY2_UYVY = frag_YUY2_UYVY_gles2;
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priv->PLANAR_YUV = frag_PLANAR_YUV_gles2;
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priv->AYUV = frag_AYUV_gles2;
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priv->REORDER = frag_REORDER_gles2;
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priv->COPY = frag_COPY_gles2;
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priv->NV12_NV21 = frag_NV12_NV21_gles2;
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priv->vert_shader = text_vertex_shader_gles2;
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priv->draw = _do_upload_draw_gles2;
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}
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#endif
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return upload;
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}
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static void
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gst_gl_upload_finalize (GObject * object)
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{
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GstGLUpload *upload;
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guint i;
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upload = GST_GL_UPLOAD (object);
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|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (upload->in_texture[i]) {
|
|
gst_gl_display_del_texture (upload->display, &upload->in_texture[i]);
|
|
upload->in_texture[i] = 0;
|
|
}
|
|
}
|
|
if (upload->out_texture) {
|
|
gst_gl_display_del_texture (upload->display, &upload->out_texture);
|
|
upload->out_texture = 0;
|
|
}
|
|
if (upload->fbo || upload->depth_buffer) {
|
|
gst_gl_display_del_fbo (upload->display, upload->fbo, upload->depth_buffer);
|
|
upload->fbo = 0;
|
|
upload->depth_buffer = 0;
|
|
}
|
|
if (upload->shader) {
|
|
gst_object_unref (upload->shader);
|
|
upload->shader = NULL;
|
|
}
|
|
|
|
if (upload->display) {
|
|
gst_object_unref (upload->display);
|
|
upload->display = NULL;
|
|
}
|
|
|
|
G_OBJECT_CLASS (gst_gl_upload_parent_class)->finalize (object);
|
|
}
|
|
|
|
/**
|
|
* gst_gl_upload_init_format:
|
|
* @upload: a #GstGLUpload
|
|
* @v_format: a #GstVideoFormat
|
|
* @in_width: the width of the data to upload
|
|
* @in_height: the height of the data to upload
|
|
* @out_width: the width to upload to
|
|
* @out_height: the height to upload to
|
|
*
|
|
* Initializes @upload with the information required for upload.
|
|
*
|
|
* Returns: whether the initialization was successful
|
|
*/
|
|
gboolean
|
|
gst_gl_upload_init_format (GstGLUpload * upload, GstVideoFormat v_format,
|
|
guint in_width, guint in_height, guint out_width, guint out_height)
|
|
{
|
|
GstVideoInfo info;
|
|
|
|
g_return_val_if_fail (upload != NULL, FALSE);
|
|
g_return_val_if_fail (v_format != GST_VIDEO_FORMAT_UNKNOWN, FALSE);
|
|
g_return_val_if_fail (v_format != GST_VIDEO_FORMAT_ENCODED, FALSE);
|
|
g_return_val_if_fail (in_width > 0 && in_height > 0, FALSE);
|
|
g_return_val_if_fail (out_width > 0 && out_height > 0, FALSE);
|
|
|
|
g_mutex_lock (&upload->lock);
|
|
|
|
if (upload->initted) {
|
|
g_mutex_unlock (&upload->lock);
|
|
return FALSE;
|
|
} else {
|
|
upload->initted = TRUE;
|
|
}
|
|
|
|
gst_video_info_set_format (&info, v_format, out_width, out_height);
|
|
|
|
upload->info = info;
|
|
upload->in_width = in_width;
|
|
upload->in_height = in_height;
|
|
|
|
gst_gl_display_thread_add (upload->display,
|
|
(GstGLDisplayThreadFunc) _init_upload, upload);
|
|
|
|
g_mutex_unlock (&upload->lock);
|
|
|
|
return upload->priv->result;
|
|
}
|
|
|
|
/**
|
|
* gst_gl_upload_perform_with_memory:
|
|
* @upload: a #GstGLUpload
|
|
* @gl_mem: a #GstGLMemory
|
|
*
|
|
* Uploads the texture in @gl_mem
|
|
*
|
|
* Returns: whether the upload was successful
|
|
*/
|
|
gboolean
|
|
gst_gl_upload_perform_with_memory (GstGLUpload * upload, GstGLMemory * gl_mem)
|
|
{
|
|
gpointer data[GST_VIDEO_MAX_PLANES];
|
|
guint i;
|
|
gboolean ret;
|
|
|
|
g_return_val_if_fail (upload != NULL, FALSE);
|
|
|
|
if (!GST_GL_MEMORY_FLAG_IS_SET (gl_mem, GST_GL_MEMORY_FLAG_UPLOAD_INITTED))
|
|
return FALSE;
|
|
|
|
if (!GST_GL_MEMORY_FLAG_IS_SET (gl_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD))
|
|
return FALSE;
|
|
|
|
g_mutex_lock (&upload->lock);
|
|
|
|
upload->in_width = GST_VIDEO_INFO_WIDTH (&upload->info);
|
|
upload->in_height = GST_VIDEO_INFO_HEIGHT (&upload->info);
|
|
|
|
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++) {
|
|
data[i] = (guint8 *) gl_mem->data +
|
|
GST_VIDEO_INFO_PLANE_OFFSET (&upload->info, i);
|
|
}
|
|
|
|
ret =
|
|
_gst_gl_upload_perform_with_data_unlocked (upload, gl_mem->tex_id, data);
|
|
|
|
if (ret)
|
|
GST_GL_MEMORY_FLAG_UNSET (gl_mem, GST_GL_MEMORY_FLAG_NEED_UPLOAD);
|
|
|
|
g_mutex_unlock (&upload->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_gl_upload_perform_with_data:
|
|
* @upload: a #GstGLUpload
|
|
* @texture_id: the texture id to download
|
|
* @data: where the downloaded data should go
|
|
*
|
|
* Uploads @data into @texture_id. @data size and format is specified by
|
|
* the #GstVideoFormat passed to gst_gl_upload_init_format()
|
|
*
|
|
* Returns: whether the upload was successful
|
|
*/
|
|
gboolean
|
|
gst_gl_upload_perform_with_data (GstGLUpload * upload, GLuint texture_id,
|
|
gpointer data[GST_VIDEO_MAX_PLANES])
|
|
{
|
|
gboolean ret;
|
|
|
|
g_return_val_if_fail (upload != NULL, FALSE);
|
|
|
|
g_mutex_lock (&upload->lock);
|
|
|
|
ret = _gst_gl_upload_perform_with_data_unlocked (upload, texture_id, data);
|
|
|
|
g_mutex_unlock (&upload->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
_gst_gl_upload_perform_with_data_unlocked (GstGLUpload * upload,
|
|
GLuint texture_id, gpointer data[GST_VIDEO_MAX_PLANES])
|
|
{
|
|
guint i;
|
|
|
|
g_return_val_if_fail (upload != NULL, FALSE);
|
|
g_return_val_if_fail (texture_id > 0, FALSE);
|
|
g_return_val_if_fail (GST_VIDEO_INFO_FORMAT (&upload->info) !=
|
|
GST_VIDEO_FORMAT_UNKNOWN
|
|
&& GST_VIDEO_INFO_FORMAT (&upload->info) != GST_VIDEO_FORMAT_ENCODED,
|
|
FALSE);
|
|
|
|
upload->out_texture = texture_id;
|
|
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&upload->info); i++) {
|
|
upload->data[i] = data[i];
|
|
}
|
|
|
|
gst_gl_display_thread_add (upload->display,
|
|
(GstGLDisplayThreadFunc) _do_upload, upload);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
_create_shader (GstGLDisplay * display, const gchar * vertex_src,
|
|
const gchar * fragment_src, GstGLShader ** out_shader)
|
|
{
|
|
GstGLShader *shader;
|
|
GError *error = NULL;
|
|
|
|
g_return_val_if_fail (vertex_src != NULL || fragment_src != NULL, FALSE);
|
|
|
|
shader = gst_gl_shader_new (display);
|
|
|
|
if (vertex_src)
|
|
gst_gl_shader_set_vertex_source (shader, vertex_src);
|
|
if (fragment_src)
|
|
gst_gl_shader_set_fragment_source (shader, fragment_src);
|
|
|
|
if (!gst_gl_shader_compile (shader, &error)) {
|
|
gst_gl_display_set_error (display, "%s", error->message);
|
|
g_error_free (error);
|
|
gst_gl_display_clear_shader (display);
|
|
gst_object_unref (shader);
|
|
return FALSE;
|
|
}
|
|
|
|
*out_shader = shader;
|
|
return TRUE;
|
|
}
|
|
|
|
/* Called in the gl thread */
|
|
void
|
|
_init_upload (GstGLDisplay * display, GstGLUpload * upload)
|
|
{
|
|
GstGLFuncs *gl;
|
|
GstVideoFormat v_format;
|
|
gchar *frag_prog = NULL;
|
|
gboolean free_frag_prog, res;
|
|
|
|
gl = display->gl_vtable;
|
|
|
|
v_format = GST_VIDEO_INFO_FORMAT (&upload->info);
|
|
|
|
GST_INFO ("Initializing texture upload for format:%s",
|
|
gst_video_format_to_string (v_format));
|
|
|
|
if (!gl->CreateProgramObject && !gl->CreateProgram) {
|
|
gst_gl_display_set_error (display,
|
|
"Cannot upload YUV formats without OpenGL shaders");
|
|
goto error;
|
|
}
|
|
|
|
_init_upload_fbo (display, upload);
|
|
|
|
switch (v_format) {
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
frag_prog = (gchar *) upload->priv->AYUV;
|
|
free_frag_prog = FALSE;
|
|
upload->priv->n_textures = 1;
|
|
break;
|
|
case GST_VIDEO_FORMAT_Y444:
|
|
case GST_VIDEO_FORMAT_I420:
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
case GST_VIDEO_FORMAT_Y42B:
|
|
case GST_VIDEO_FORMAT_Y41B:
|
|
frag_prog = (gchar *) upload->priv->PLANAR_YUV;
|
|
free_frag_prog = FALSE;
|
|
upload->priv->n_textures = 3;
|
|
break;
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
frag_prog = g_strdup_printf (upload->priv->NV12_NV21, 'r', 'a');
|
|
free_frag_prog = TRUE;
|
|
upload->priv->n_textures = 2;
|
|
break;
|
|
case GST_VIDEO_FORMAT_NV21:
|
|
frag_prog = g_strdup_printf (upload->priv->NV12_NV21, 'a', 'r');
|
|
free_frag_prog = TRUE;
|
|
upload->priv->n_textures = 2;
|
|
break;
|
|
case GST_VIDEO_FORMAT_BGR:
|
|
case GST_VIDEO_FORMAT_BGRx:
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
frag_prog = g_strdup_printf (upload->priv->REORDER, 'b', 'g', 'r');
|
|
free_frag_prog = TRUE;
|
|
upload->priv->n_textures = 1;
|
|
break;
|
|
case GST_VIDEO_FORMAT_xRGB:
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
frag_prog = g_strdup_printf (upload->priv->REORDER, 'g', 'b', 'a');
|
|
free_frag_prog = TRUE;
|
|
upload->priv->n_textures = 1;
|
|
break;
|
|
case GST_VIDEO_FORMAT_xBGR:
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
frag_prog = g_strdup_printf (upload->priv->REORDER, 'a', 'b', 'g');
|
|
free_frag_prog = TRUE;
|
|
upload->priv->n_textures = 1;
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGB:
|
|
case GST_VIDEO_FORMAT_RGBx:
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
case GST_VIDEO_FORMAT_RGB16:
|
|
frag_prog = (gchar *) upload->priv->COPY;
|
|
free_frag_prog = FALSE;
|
|
upload->priv->n_textures = 1;
|
|
break;
|
|
case GST_VIDEO_FORMAT_YUY2:
|
|
frag_prog = g_strdup_printf (upload->priv->YUY2_UYVY, 'r', 'g', 'a');
|
|
free_frag_prog = TRUE;
|
|
upload->priv->n_textures = 2;
|
|
break;
|
|
case GST_VIDEO_FORMAT_UYVY:
|
|
if (USING_GLES2 (display)) {
|
|
frag_prog = g_strdup_printf (upload->priv->YUY2_UYVY, 'a', 'r', 'b');
|
|
} else {
|
|
frag_prog = g_strdup_printf (upload->priv->YUY2_UYVY, 'a', 'b', 'r');
|
|
}
|
|
free_frag_prog = TRUE;
|
|
upload->priv->n_textures = 2;
|
|
break;
|
|
default:
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
|
|
res =
|
|
_create_shader (display, upload->priv->vert_shader, frag_prog,
|
|
&upload->shader);
|
|
if (free_frag_prog)
|
|
g_free (frag_prog);
|
|
frag_prog = NULL;
|
|
if (!res)
|
|
goto error;
|
|
|
|
if (USING_GLES2 (display)) {
|
|
upload->shader_attr_position_loc =
|
|
gst_gl_shader_get_attribute_location (upload->shader, "a_position");
|
|
upload->shader_attr_texture_loc =
|
|
gst_gl_shader_get_attribute_location (upload->shader, "a_texcoord");
|
|
}
|
|
|
|
if (!_do_upload_make (display, upload))
|
|
goto error;
|
|
|
|
upload->priv->result = TRUE;
|
|
return;
|
|
|
|
error:
|
|
upload->priv->result = FALSE;
|
|
}
|
|
|
|
|
|
/* called by _init_upload (in the gl thread) */
|
|
gboolean
|
|
_init_upload_fbo (GstGLDisplay * display, GstGLUpload * upload)
|
|
{
|
|
GstGLFuncs *gl;
|
|
guint out_width, out_height;
|
|
GLuint fake_texture = 0; /* a FBO must hava texture to init */
|
|
|
|
gl = display->gl_vtable;
|
|
|
|
out_width = GST_VIDEO_INFO_WIDTH (&upload->info);
|
|
out_height = GST_VIDEO_INFO_HEIGHT (&upload->info);
|
|
|
|
if (!gl->GenFramebuffers) {
|
|
/* turn off the pipeline because Frame buffer object is a not present */
|
|
gst_gl_display_set_error (display,
|
|
"Context, EXT_framebuffer_object supported: no");
|
|
return FALSE;
|
|
}
|
|
|
|
GST_INFO ("Context, EXT_framebuffer_object supported: yes");
|
|
|
|
/* setup FBO */
|
|
gl->GenFramebuffers (1, &upload->fbo);
|
|
gl->BindFramebuffer (GL_FRAMEBUFFER, upload->fbo);
|
|
|
|
/* setup the render buffer for depth */
|
|
gl->GenRenderbuffers (1, &upload->depth_buffer);
|
|
gl->BindRenderbuffer (GL_RENDERBUFFER, upload->depth_buffer);
|
|
if (USING_OPENGL (display)) {
|
|
gl->RenderbufferStorage (GL_RENDERBUFFER, GL_DEPTH_COMPONENT,
|
|
out_width, out_height);
|
|
gl->RenderbufferStorage (GL_RENDERBUFFER, GL_DEPTH24_STENCIL8,
|
|
out_width, out_height);
|
|
}
|
|
if (USING_GLES2 (display)) {
|
|
gl->RenderbufferStorage (GL_RENDERBUFFER, GL_DEPTH_COMPONENT16,
|
|
out_width, out_height);
|
|
}
|
|
|
|
/* a fake texture is attached to the upload FBO (cannot init without it) */
|
|
gl->GenTextures (1, &fake_texture);
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, fake_texture);
|
|
gl->TexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, out_width, out_height,
|
|
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
|
|
GL_LINEAR);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
|
|
GL_LINEAR);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
|
|
GL_CLAMP_TO_EDGE);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
|
|
GL_CLAMP_TO_EDGE);
|
|
|
|
/* attach the texture to the FBO to renderer to */
|
|
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_TEXTURE_RECTANGLE_ARB, fake_texture, 0);
|
|
|
|
/* attach the depth render buffer to the FBO */
|
|
gl->FramebufferRenderbuffer (GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
|
|
GL_RENDERBUFFER, upload->depth_buffer);
|
|
|
|
if (USING_OPENGL (display)) {
|
|
gl->FramebufferRenderbuffer (GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT,
|
|
GL_RENDERBUFFER, upload->depth_buffer);
|
|
}
|
|
|
|
if (!gst_gl_display_check_framebuffer_status (display)) {
|
|
gst_gl_display_set_error (display, "GL framebuffer status incomplete");
|
|
return FALSE;
|
|
}
|
|
|
|
/* unbind the FBO */
|
|
gl->BindFramebuffer (GL_FRAMEBUFFER, 0);
|
|
|
|
gl->DeleteTextures (1, &fake_texture);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Called by the idle function in the gl thread */
|
|
void
|
|
_do_upload (GstGLDisplay * display, GstGLUpload * upload)
|
|
{
|
|
guint in_width, in_height, out_width, out_height;
|
|
|
|
out_width = GST_VIDEO_INFO_WIDTH (&upload->info);
|
|
out_height = GST_VIDEO_INFO_HEIGHT (&upload->info);
|
|
in_width = upload->in_width;
|
|
in_height = upload->in_height;
|
|
|
|
GST_TRACE ("uploading to texture:%u dimensions:%ux%u, "
|
|
"from textures:%u,%u,%u dimensions:%ux%u", upload->out_texture,
|
|
out_width, out_height, upload->in_texture[0], upload->in_texture[1],
|
|
upload->in_texture[2], in_width, in_height);
|
|
|
|
if (!_do_upload_fill (display, upload))
|
|
goto error;
|
|
|
|
if (!upload->priv->draw (display, upload))
|
|
goto error;
|
|
|
|
upload->priv->result = TRUE;
|
|
return;
|
|
|
|
error:
|
|
{
|
|
upload->priv->result = FALSE;
|
|
return;
|
|
}
|
|
}
|
|
|
|
struct TexData
|
|
{
|
|
gint internal_format, format, type, width, height;
|
|
};
|
|
|
|
/* called by gst_gl_display_thread_do_upload (in the gl thread) */
|
|
gboolean
|
|
_do_upload_make (GstGLDisplay * display, GstGLUpload * upload)
|
|
{
|
|
GstGLFuncs *gl;
|
|
GstVideoFormat v_format;
|
|
guint in_width, in_height;
|
|
struct TexData tex[GST_VIDEO_MAX_PLANES];
|
|
guint i;
|
|
|
|
gl = display->gl_vtable;
|
|
|
|
in_width = upload->in_width;
|
|
in_height = upload->in_height;
|
|
v_format = GST_VIDEO_INFO_FORMAT (&upload->info);
|
|
|
|
switch (v_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:
|
|
tex[0].internal_format = GL_RGBA;
|
|
tex[0].format = GL_RGBA;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGB:
|
|
case GST_VIDEO_FORMAT_BGR:
|
|
tex[0].internal_format = GL_RGB;
|
|
tex[0].format = GL_RGB;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
break;
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
tex[0].internal_format = GL_RGBA;
|
|
tex[0].format = GL_BGRA;
|
|
tex[0].type = GL_UNSIGNED_INT_8_8_8_8;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
break;
|
|
case GST_VIDEO_FORMAT_YUY2:
|
|
tex[0].internal_format = GL_LUMINANCE_ALPHA;
|
|
tex[0].format = GL_LUMINANCE_ALPHA;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
tex[1].internal_format = GL_RGBA8;
|
|
tex[1].format = GL_BGRA;
|
|
tex[1].type = GL_UNSIGNED_INT_8_8_8_8;
|
|
tex[1].width = in_width;
|
|
tex[1].height = in_height;
|
|
break;
|
|
case GST_VIDEO_FORMAT_UYVY:
|
|
tex[0].internal_format = GL_LUMINANCE_ALPHA;
|
|
tex[0].format = GL_LUMINANCE_ALPHA;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
tex[1].internal_format = GL_RGBA8;
|
|
tex[1].format = GL_BGRA;
|
|
tex[1].type = GL_UNSIGNED_INT_8_8_8_8_REV;
|
|
tex[1].width = in_width;
|
|
tex[1].height = in_height;
|
|
break;
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
case GST_VIDEO_FORMAT_NV21:
|
|
tex[0].internal_format = GL_LUMINANCE;
|
|
tex[0].format = GL_LUMINANCE;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
tex[1].internal_format = GL_LUMINANCE_ALPHA;
|
|
tex[1].format = GL_LUMINANCE_ALPHA;
|
|
tex[1].type = GL_UNSIGNED_BYTE;
|
|
tex[1].width = in_width / 2;
|
|
tex[1].height = in_height / 2;
|
|
break;
|
|
case GST_VIDEO_FORMAT_Y444:
|
|
tex[0].internal_format = GL_LUMINANCE;
|
|
tex[0].format = GL_LUMINANCE;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
tex[1].internal_format = GL_LUMINANCE;
|
|
tex[1].format = GL_LUMINANCE;
|
|
tex[1].type = GL_UNSIGNED_BYTE;
|
|
tex[1].width = in_width;
|
|
tex[1].height = in_height;
|
|
tex[2].internal_format = GL_LUMINANCE;
|
|
tex[2].format = GL_LUMINANCE;
|
|
tex[2].type = GL_UNSIGNED_BYTE;
|
|
tex[2].width = in_width;
|
|
tex[2].height = in_height;
|
|
break;
|
|
case GST_VIDEO_FORMAT_I420:
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
tex[0].internal_format = GL_LUMINANCE;
|
|
tex[0].format = GL_LUMINANCE;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
tex[1].internal_format = GL_LUMINANCE;
|
|
tex[1].format = GL_LUMINANCE;
|
|
tex[1].type = GL_UNSIGNED_BYTE;
|
|
tex[1].width = GST_ROUND_UP_2 (in_width) / 2;
|
|
tex[1].height = GST_ROUND_UP_2 (in_height) / 2;
|
|
tex[2].internal_format = GL_LUMINANCE;
|
|
tex[2].format = GL_LUMINANCE;
|
|
tex[2].type = GL_UNSIGNED_BYTE;
|
|
tex[2].width = GST_ROUND_UP_2 (in_width) / 2;
|
|
tex[2].height = GST_ROUND_UP_2 (in_height) / 2;
|
|
break;
|
|
case GST_VIDEO_FORMAT_Y42B:
|
|
tex[0].internal_format = GL_LUMINANCE;
|
|
tex[0].format = GL_LUMINANCE;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
tex[1].internal_format = GL_LUMINANCE;
|
|
tex[1].format = GL_LUMINANCE;
|
|
tex[1].type = GL_UNSIGNED_BYTE;
|
|
tex[1].width = GST_ROUND_UP_2 (in_width) / 2;
|
|
tex[1].height = in_height;
|
|
tex[2].internal_format = GL_LUMINANCE;
|
|
tex[2].format = GL_LUMINANCE;
|
|
tex[2].type = GL_UNSIGNED_BYTE;
|
|
tex[2].width = GST_ROUND_UP_2 (in_width) / 2;
|
|
tex[2].height = in_height;
|
|
break;
|
|
case GST_VIDEO_FORMAT_Y41B:
|
|
tex[0].internal_format = GL_LUMINANCE;
|
|
tex[0].format = GL_LUMINANCE;
|
|
tex[0].type = GL_UNSIGNED_BYTE;
|
|
tex[0].width = in_width;
|
|
tex[0].height = in_height;
|
|
tex[1].internal_format = GL_LUMINANCE;
|
|
tex[1].format = GL_LUMINANCE;
|
|
tex[1].type = GL_UNSIGNED_BYTE;
|
|
tex[1].width = GST_ROUND_UP_4 (in_width) / 4;
|
|
tex[1].height = in_height;
|
|
tex[2].internal_format = GL_LUMINANCE;
|
|
tex[2].format = GL_LUMINANCE;
|
|
tex[2].type = GL_UNSIGNED_BYTE;
|
|
tex[2].width = GST_ROUND_UP_4 (in_width) / 4;
|
|
tex[2].height = in_height;
|
|
break;
|
|
default:
|
|
gst_gl_display_set_error (display, "Unsupported upload video format %d",
|
|
v_format);
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
|
|
for (i = 0; i < upload->priv->n_textures; i++) {
|
|
gl->GenTextures (1, &upload->in_texture[i]);
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[i]);
|
|
|
|
gl->TexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, tex[i].internal_format,
|
|
tex[i].width, tex[i].height, 0, tex[i].format, tex[i].type, NULL);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/* called by gst_gl_display_thread_do_upload (in the gl thread) */
|
|
gboolean
|
|
_do_upload_fill (GstGLDisplay * display, GstGLUpload * upload)
|
|
{
|
|
GstGLFuncs *gl;
|
|
GstVideoFormat v_format;
|
|
guint in_width, in_height;
|
|
|
|
gl = display->gl_vtable;
|
|
|
|
in_width = upload->in_width;
|
|
in_height = upload->in_height;
|
|
v_format = GST_VIDEO_INFO_FORMAT (&upload->info);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[0]);
|
|
|
|
switch (v_format) {
|
|
case GST_VIDEO_FORMAT_RGB:
|
|
case GST_VIDEO_FORMAT_BGR:
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height,
|
|
GL_RGB, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGBx:
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
case GST_VIDEO_FORMAT_BGRx:
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
case GST_VIDEO_FORMAT_xRGB:
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
case GST_VIDEO_FORMAT_xBGR:
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height,
|
|
GL_RGBA, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
break;
|
|
case GST_VIDEO_FORMAT_YUY2:
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width,
|
|
in_height, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_2 (in_width) / 2, in_height,
|
|
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, upload->data[0]);
|
|
break;
|
|
case GST_VIDEO_FORMAT_UYVY:
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width,
|
|
in_height, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_2 (in_width) / 2, in_height,
|
|
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, upload->data[0]);
|
|
break;
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
case GST_VIDEO_FORMAT_NV21:
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
in_width / 2, in_height / 2,
|
|
GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, upload->data[1]);
|
|
break;
|
|
case GST_VIDEO_FORMAT_I420:
|
|
{
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[1]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[2]);
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_YV12: /* same as I420 except plane 1+2 swapped */
|
|
{
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[1]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_2 (in_width) / 2, GST_ROUND_UP_2 (in_height) / 2,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[2]);
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_Y444:
|
|
{
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
in_width, in_height, GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[1]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
in_width, in_height, GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[2]);
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_Y42B:
|
|
{
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_2 (in_width) / 2, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[1]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_2 (in_width) / 2, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[2]);
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_Y41B:
|
|
{
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, in_width, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[0]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[1]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_4 (in_width) / 4, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[1]);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[2]);
|
|
gl->TexSubImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0,
|
|
GST_ROUND_UP_4 (in_width) / 4, in_height,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, upload->data[2]);
|
|
}
|
|
break;
|
|
default:
|
|
gst_gl_display_set_error (display, "Unsupported upload video format %d",
|
|
v_format);
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
|
|
/* make sure no texture is in use in our opengl context
|
|
* in case we want to use the upload texture in an other opengl context
|
|
*/
|
|
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, 0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#if GST_GL_HAVE_OPENGL
|
|
/* called by _do_upload (in the gl thread) */
|
|
static gboolean
|
|
_do_upload_draw_opengl (GstGLDisplay * display, GstGLUpload * upload)
|
|
{
|
|
GstGLFuncs *gl;
|
|
GstVideoFormat v_format;
|
|
guint out_width, out_height;
|
|
guint in_width = upload->in_width;
|
|
guint in_height = upload->in_height;
|
|
char *texnames[GST_VIDEO_MAX_PLANES];
|
|
gint i;
|
|
gfloat tex_scaling[6] = { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 };
|
|
|
|
GLfloat verts[8] = { 1.0f, -1.0f,
|
|
-1.0f, -1.0f,
|
|
-1.0f, 1.0f,
|
|
1.0f, 1.0f
|
|
};
|
|
GLfloat texcoords[8] = { in_width, 0,
|
|
0, 0,
|
|
0, in_height,
|
|
in_width, in_height
|
|
};
|
|
|
|
gl = display->gl_vtable;
|
|
|
|
out_width = GST_VIDEO_INFO_WIDTH (&upload->info);
|
|
out_height = GST_VIDEO_INFO_HEIGHT (&upload->info);
|
|
v_format = GST_VIDEO_INFO_FORMAT (&upload->info);
|
|
|
|
gl->BindFramebuffer (GL_FRAMEBUFFER, upload->fbo);
|
|
|
|
/* setup a texture to render to */
|
|
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->out_texture);
|
|
|
|
/* attach the texture to the FBO to renderer to */
|
|
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_TEXTURE_RECTANGLE_ARB, upload->out_texture, 0);
|
|
|
|
gst_gl_display_clear_shader (display);
|
|
|
|
gl->PushAttrib (GL_VIEWPORT_BIT);
|
|
|
|
gl->MatrixMode (GL_PROJECTION);
|
|
gl->PushMatrix ();
|
|
gl->LoadIdentity ();
|
|
gluOrtho2D (0.0, out_width, 0.0, out_height);
|
|
|
|
gl->MatrixMode (GL_MODELVIEW);
|
|
gl->PushMatrix ();
|
|
gl->LoadIdentity ();
|
|
|
|
gl->Viewport (0, 0, out_width, out_height);
|
|
|
|
gl->DrawBuffer (GL_COLOR_ATTACHMENT0);
|
|
|
|
gl->ClearColor (0.0, 0.0, 0.0, 0.0);
|
|
gl->Clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
switch (v_format) {
|
|
case GST_VIDEO_FORMAT_RGBx:
|
|
case GST_VIDEO_FORMAT_BGRx:
|
|
case GST_VIDEO_FORMAT_xRGB:
|
|
case GST_VIDEO_FORMAT_xBGR:
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
case GST_VIDEO_FORMAT_RGB:
|
|
case GST_VIDEO_FORMAT_BGR:
|
|
texnames[0] = "tex";
|
|
break;
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
case GST_VIDEO_FORMAT_NV21:
|
|
texnames[0] = "Ytex";
|
|
texnames[1] = "UVtex";
|
|
tex_scaling[2] = tex_scaling[3] = 0.5;
|
|
case GST_VIDEO_FORMAT_YUY2:
|
|
case GST_VIDEO_FORMAT_UYVY:
|
|
texnames[0] = "Ytex";
|
|
texnames[1] = "UVtex";
|
|
tex_scaling[2] = tex_scaling[4] = 0.5;
|
|
break;
|
|
case GST_VIDEO_FORMAT_I420:
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
case GST_VIDEO_FORMAT_Y444:
|
|
case GST_VIDEO_FORMAT_Y42B:
|
|
case GST_VIDEO_FORMAT_Y41B:
|
|
texnames[0] = "Ytex";
|
|
texnames[1] = "Utex";
|
|
texnames[2] = "Vtex";
|
|
if (v_format == GST_VIDEO_FORMAT_I420
|
|
|| v_format == GST_VIDEO_FORMAT_YV12)
|
|
tex_scaling[2] = tex_scaling[3] = tex_scaling[4] = tex_scaling[5] = 0.5;
|
|
else if (v_format == GST_VIDEO_FORMAT_Y42B)
|
|
tex_scaling[2] = tex_scaling[4] = 0.5;
|
|
else if (v_format == GST_VIDEO_FORMAT_Y41B)
|
|
tex_scaling[2] = tex_scaling[4] = 0.25;
|
|
break;
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
texnames[0] = "tex";
|
|
break;
|
|
|
|
default:
|
|
gst_gl_display_set_error (display, "Unsupported upload video format %d",
|
|
v_format);
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
|
|
gst_gl_shader_use (upload->shader);
|
|
gst_gl_shader_set_uniform_2fv (upload->shader, "tex_scale0", 1,
|
|
&tex_scaling[0]);
|
|
gst_gl_shader_set_uniform_2fv (upload->shader, "tex_scale1", 1,
|
|
&tex_scaling[2]);
|
|
gst_gl_shader_set_uniform_2fv (upload->shader, "tex_scale2", 1,
|
|
&tex_scaling[4]);
|
|
|
|
gl->MatrixMode (GL_PROJECTION);
|
|
gl->LoadIdentity ();
|
|
|
|
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
|
|
|
|
for (i = upload->priv->n_textures - 1; i >= 0; i--) {
|
|
gl->ActiveTexture (GL_TEXTURE0 + i);
|
|
gst_gl_shader_set_uniform_1i (upload->shader, texnames[i], i);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[i]);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
|
|
GL_LINEAR);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
|
|
GL_LINEAR);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
|
|
GL_CLAMP_TO_EDGE);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
|
|
GL_CLAMP_TO_EDGE);
|
|
}
|
|
|
|
gl->EnableClientState (GL_VERTEX_ARRAY);
|
|
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
|
|
|
|
gl->VertexPointer (2, GL_FLOAT, 0, &verts);
|
|
gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords);
|
|
|
|
gl->DrawArrays (GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
gl->DisableClientState (GL_VERTEX_ARRAY);
|
|
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
|
|
|
|
gl->DrawBuffer (GL_NONE);
|
|
|
|
/* we are done with the shader */
|
|
gst_gl_display_clear_shader (display);
|
|
|
|
gl->Disable (GL_TEXTURE_RECTANGLE_ARB);
|
|
|
|
gl->MatrixMode (GL_PROJECTION);
|
|
gl->PopMatrix ();
|
|
gl->MatrixMode (GL_MODELVIEW);
|
|
gl->PopMatrix ();
|
|
gl->PopAttrib ();
|
|
|
|
gst_gl_display_check_framebuffer_status (display);
|
|
|
|
gl->BindFramebuffer (GL_FRAMEBUFFER, 0);
|
|
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
#if GST_GL_HAVE_GLES2
|
|
static gboolean
|
|
_do_upload_draw_gles2 (GstGLDisplay * display, GstGLUpload * upload)
|
|
{
|
|
GstGLFuncs *gl;
|
|
GstVideoFormat v_format;
|
|
guint out_width, out_height;
|
|
char *texnames[GST_VIDEO_MAX_PLANES];
|
|
gint i;
|
|
gfloat tex_scaling[6] = { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 };
|
|
|
|
GLint viewport_dim[4];
|
|
|
|
const GLfloat vVertices[] = { 1.0f, -1.0f, 0.0f,
|
|
1.0f, 0.0f,
|
|
-1.0f, -1.0f, 0.0f,
|
|
0.0f, 0.0f,
|
|
-1.0f, 1.0f, 0.0f,
|
|
0.0f, 1.0f,
|
|
1.0f, 1.0f, 0.0f,
|
|
1.0f, 1.0f
|
|
};
|
|
|
|
GLushort indices[] = { 0, 1, 2, 0, 2, 3 };
|
|
|
|
gl = display->gl_vtable;
|
|
|
|
out_width = GST_VIDEO_INFO_WIDTH (&upload->info);
|
|
out_height = GST_VIDEO_INFO_HEIGHT (&upload->info);
|
|
v_format = GST_VIDEO_INFO_FORMAT (&upload->info);
|
|
|
|
gl->BindFramebuffer (GL_FRAMEBUFFER, upload->fbo);
|
|
|
|
/* setup a texture to render to */
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->out_texture);
|
|
|
|
/* attach the texture to the FBO to renderer to */
|
|
gl->FramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_TEXTURE_RECTANGLE_ARB, upload->out_texture, 0);
|
|
|
|
gst_gl_display_clear_shader (display);
|
|
|
|
gl->GetIntegerv (GL_VIEWPORT, viewport_dim);
|
|
|
|
gl->Viewport (0, 0, out_width, out_height);
|
|
|
|
gl->ClearColor (0.0, 0.0, 0.0, 0.0);
|
|
gl->Clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
switch (v_format) {
|
|
case GST_VIDEO_FORMAT_RGBx:
|
|
case GST_VIDEO_FORMAT_BGRx:
|
|
case GST_VIDEO_FORMAT_xRGB:
|
|
case GST_VIDEO_FORMAT_xBGR:
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
case GST_VIDEO_FORMAT_RGB:
|
|
case GST_VIDEO_FORMAT_BGR:
|
|
texnames[0] = "tex";
|
|
break;
|
|
case GST_VIDEO_FORMAT_NV12:
|
|
case GST_VIDEO_FORMAT_NV21:
|
|
texnames[0] = "Ytex";
|
|
texnames[1] = "UVtex";
|
|
tex_scaling[2] = tex_scaling[3] = 0.5;
|
|
case GST_VIDEO_FORMAT_YUY2:
|
|
case GST_VIDEO_FORMAT_UYVY:
|
|
texnames[0] = "Ytex";
|
|
texnames[1] = "UVtex";
|
|
tex_scaling[2] = tex_scaling[4] = 0.5;
|
|
break;
|
|
case GST_VIDEO_FORMAT_I420:
|
|
case GST_VIDEO_FORMAT_YV12:
|
|
case GST_VIDEO_FORMAT_Y444:
|
|
case GST_VIDEO_FORMAT_Y42B:
|
|
case GST_VIDEO_FORMAT_Y41B:
|
|
texnames[0] = "Ytex";
|
|
texnames[1] = "Utex";
|
|
texnames[2] = "Vtex";
|
|
if (v_format == GST_VIDEO_FORMAT_I420
|
|
|| v_format == GST_VIDEO_FORMAT_YV12)
|
|
tex_scaling[2] = tex_scaling[3] = tex_scaling[4] = tex_scaling[5] = 0.5;
|
|
else if (v_format == GST_VIDEO_FORMAT_Y42B)
|
|
tex_scaling[2] = tex_scaling[4] = 0.5;
|
|
else if (v_format == GST_VIDEO_FORMAT_Y41B)
|
|
tex_scaling[2] = tex_scaling[4] = 0.25;
|
|
break;
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
texnames[0] = "tex";
|
|
break;
|
|
default:
|
|
gst_gl_display_set_error (display, "Unsupported upload video format %d",
|
|
v_format);
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
|
|
gst_gl_shader_use (upload->shader);
|
|
gst_gl_shader_set_uniform_2fv (upload->shader, "tex_scale0", 1,
|
|
&tex_scaling[0]);
|
|
gst_gl_shader_set_uniform_2fv (upload->shader, "tex_scale1", 1,
|
|
&tex_scaling[2]);
|
|
gst_gl_shader_set_uniform_2fv (upload->shader, "tex_scale2", 1,
|
|
&tex_scaling[4]);
|
|
|
|
gl->VertexAttribPointer (upload->shader_attr_position_loc, 3,
|
|
GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), vVertices);
|
|
gl->VertexAttribPointer (upload->shader_attr_texture_loc, 2,
|
|
GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), &vVertices[3]);
|
|
|
|
gl->EnableVertexAttribArray (upload->shader_attr_position_loc);
|
|
gl->EnableVertexAttribArray (upload->shader_attr_texture_loc);
|
|
|
|
for (i = upload->priv->n_textures - 1; i >= 0; i--) {
|
|
gl->ActiveTexture (GL_TEXTURE0 + i);
|
|
gst_gl_shader_set_uniform_1i (upload->shader, texnames[i], i);
|
|
|
|
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, upload->in_texture[i]);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER,
|
|
GL_LINEAR);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER,
|
|
GL_LINEAR);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S,
|
|
GL_CLAMP_TO_EDGE);
|
|
gl->TexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T,
|
|
GL_CLAMP_TO_EDGE);
|
|
}
|
|
|
|
gl->DrawElements (GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
|
|
|
|
/* we are done with the shader */
|
|
gst_gl_display_clear_shader (display);
|
|
|
|
gl->Viewport (viewport_dim[0], viewport_dim[1], viewport_dim[2],
|
|
viewport_dim[3]);
|
|
|
|
gst_gl_display_check_framebuffer_status (display);
|
|
|
|
gl->BindFramebuffer (GL_FRAMEBUFFER, 0);
|
|
|
|
return TRUE;
|
|
}
|
|
#endif
|