gstreamer/ext/gl/gstglbasemixer.h
Matthew Waters d23808a877 glbasemixer: actually attempt to propose an allocation upstream
We were always failing the allocation query as a flag was never being set to
signal a successful negotiation.  Fix by setting the required flag on a
successful caps event from upstream.
2017-12-09 19:32:19 +00:00

105 lines
3.6 KiB
C

/*
* GStreamer
* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_BASE_MIXER_H__
#define __GST_GL_BASE_MIXER_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
#include <gst/video/gstvideoaggregator.h>
G_BEGIN_DECLS
#define GST_TYPE_GL_BASE_MIXER_PAD (gst_gl_base_mixer_pad_get_type())
#define GST_GL_BASE_MIXER_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_BASE_MIXER_PAD, GstGLBaseMixerPad))
#define GST_GL_BASE_MIXER_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_BASE_MIXER_PAD, GstGLBaseMixerPadClass))
#define GST_IS_GL_BASE_MIXER_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_BASE_MIXER_PAD))
#define GST_IS_GL_BASE_MIXER_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_BASE_MIXER_PAD))
#define GST_GL_BASE_MIXER_PAD_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_BASE_MIXER_PAD,GstGLBaseMixerPadClass))
typedef struct _GstGLBaseMixerPad GstGLBaseMixerPad;
typedef struct _GstGLBaseMixerPadClass GstGLBaseMixerPadClass;
/* all information needed for one video stream */
struct _GstGLBaseMixerPad
{
GstVideoAggregatorPad parent; /* subclass the pad */
gboolean negotiated;
};
struct _GstGLBaseMixerPadClass
{
GstVideoAggregatorPadClass parent_class;
};
GType gst_gl_base_mixer_pad_get_type (void);
#define GST_TYPE_GL_BASE_MIXER (gst_gl_base_mixer_get_type())
#define GST_GL_BASE_MIXER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_BASE_MIXER, GstGLBaseMixer))
#define GST_GL_BASE_MIXER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_BASE_MIXER, GstGLBaseMixerClass))
#define GST_IS_GL_BASE_MIXER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_BASE_MIXER))
#define GST_IS_GL_BASE_MIXER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_BASE_MIXER))
#define GST_GL_BASE_MIXER_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_GL_BASE_MIXER,GstGLBaseMixerClass))
typedef struct _GstGLBaseMixer GstGLBaseMixer;
typedef struct _GstGLBaseMixerClass GstGLBaseMixerClass;
typedef struct _GstGLBaseMixerPrivate GstGLBaseMixerPrivate;
struct _GstGLBaseMixer
{
GstVideoAggregator vaggregator;
GstGLDisplay *display;
GstGLContext *context;
gpointer _padding[GST_PADDING];
GstGLBaseMixerPrivate *priv;
};
struct _GstGLBaseMixerClass
{
GstVideoAggregatorClass parent_class;
GstGLAPI supported_gl_api;
gboolean (*propose_allocation) (GstGLBaseMixer * mix, GstGLBaseMixerPad * pad, GstQuery * decide_query, GstQuery *query);
gboolean (*decide_allocation) (GstGLBaseMixer * mix, GstQuery * decide_query);
gpointer _padding[GST_PADDING];
};
GType gst_gl_base_mixer_get_type(void);
GstBufferPool *gst_gl_base_mixer_get_buffer_pool (GstGLBaseMixer * mix);
G_END_DECLS
#endif /* __GST_GL_BASE_MIXER_H__ */