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ae919f4475
Otherwise we could pass on a RGBA formatted buffer and downstream would
misinterpret that as some other video format.
Fixes pipelines of the form
gleffects ! tee ! xvimagesink
133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/*
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* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2002,2007 David A. Schleef <ds@schleef.org>
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* Copyright (C) 2008 Julien Isorce <julien.isorce@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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#ifndef __GST_GL_TEST_SRC_H__
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#define __GST_GL_TEST_SRC_H__
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#include <gst/gst.h>
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#include <gst/base/gstpushsrc.h>
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#include <gst/gl/gl.h>
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G_BEGIN_DECLS
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#define GST_TYPE_GL_TEST_SRC \
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(gst_gl_test_src_get_type())
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#define GST_GL_TEST_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_TEST_SRC,GstGLTestSrc))
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#define GST_GL_TEST_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_TEST_SRC,GstGLTestSrcClass))
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#define GST_IS_GL_TEST_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_TEST_SRC))
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#define GST_IS_GL_TEST_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_TEST_SRC))
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/**
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* GstGLTestSrcPattern:
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* @GST_GL_TEST_SRC_SMPTE: A standard SMPTE test pattern
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* @GST_GL_TEST_SRC_SNOW: Random noise
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* @GST_GL_TEST_SRC_BLACK: A black image
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* @GST_GL_TEST_SRC_WHITE: A white image
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* @GST_GL_TEST_SRC_RED: A red image
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* @GST_GL_TEST_SRC_GREEN: A green image
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* @GST_GL_TEST_SRC_BLUE: A blue image
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* @GST_GL_TEST_SRC_CHECKERS1: Checkers pattern (1px)
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* @GST_GL_TEST_SRC_CHECKERS2: Checkers pattern (2px)
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* @GST_GL_TEST_SRC_CHECKERS4: Checkers pattern (4px)
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* @GST_GL_TEST_SRC_CHECKERS8: Checkers pattern (8px)
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* @GST_GL_TEST_SRC_CIRCULAR: Circular pattern
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* @GST_GL_TEST_SRC_BLINK: Alternate between black and white
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*
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* The test pattern to produce.
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*/
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typedef enum {
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GST_GL_TEST_SRC_SMPTE,
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GST_GL_TEST_SRC_SNOW,
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GST_GL_TEST_SRC_BLACK,
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GST_GL_TEST_SRC_WHITE,
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GST_GL_TEST_SRC_RED,
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GST_GL_TEST_SRC_GREEN,
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GST_GL_TEST_SRC_BLUE,
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GST_GL_TEST_SRC_CHECKERS1,
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GST_GL_TEST_SRC_CHECKERS2,
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GST_GL_TEST_SRC_CHECKERS4,
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GST_GL_TEST_SRC_CHECKERS8,
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GST_GL_TEST_SRC_CIRCULAR,
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GST_GL_TEST_SRC_BLINK,
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GST_GL_TEST_SRC_MANDELBROT
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} GstGLTestSrcPattern;
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typedef struct _GstGLTestSrc GstGLTestSrc;
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typedef struct _GstGLTestSrcClass GstGLTestSrcClass;
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/**
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* GstGLTestSrc:
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*
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* Opaque data structure.
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*/
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struct _GstGLTestSrc {
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GstPushSrc element;
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/*< private >*/
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/* type of output */
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GstGLTestSrcPattern pattern_type;
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/* video state */
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char *format_name;
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GstVideoInfo out_info;
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GLuint fbo;
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GLuint depthbuffer;
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GstGLShader *shader;
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GstBuffer* buffer;
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GstBufferPool *pool;
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guint out_tex_id;
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GstGLDownload *download;
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GstGLDisplay *display;
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GstGLContext *context;
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gint64 timestamp_offset; /* base offset */
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GstClockTime running_time; /* total running time */
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gint64 n_frames; /* total frames sent */
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gboolean negotiated;
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const gchar *vertex_src;
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const gchar *fragment_src;
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void (*make_image) (GstGLTestSrc* v, GstBuffer* buffer, gint w, gint h);
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GstCaps *out_caps;
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};
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struct _GstGLTestSrcClass {
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GstPushSrcClass parent_class;
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};
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GType gst_gl_test_src_get_type (void);
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G_END_DECLS
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#endif /* __GST_GL_TEST_SRC_H__ */
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