gstreamer/omx/gstomxvideodec.h

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/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __GST_OMX_VIDEO_DEC_H__
#define __GST_OMX_VIDEO_DEC_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideodecoder.h>
#include "gstomx.h"
G_BEGIN_DECLS
#define GST_TYPE_OMX_VIDEO_DEC \
(gst_omx_video_dec_get_type())
#define GST_OMX_VIDEO_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OMX_VIDEO_DEC,GstOMXVideoDec))
#define GST_OMX_VIDEO_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OMX_VIDEO_DEC,GstOMXVideoDecClass))
#define GST_OMX_VIDEO_DEC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OMX_VIDEO_DEC,GstOMXVideoDecClass))
#define GST_IS_OMX_VIDEO_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OMX_VIDEO_DEC))
#define GST_IS_OMX_VIDEO_DEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OMX_VIDEO_DEC))
typedef struct _GstOMXVideoDec GstOMXVideoDec;
typedef struct _GstOMXVideoDecClass GstOMXVideoDecClass;
struct _GstOMXVideoDec
{
GstVideoDecoder parent;
/* < protected > */
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GstOMXComponent *dec;
GstOMXPort *dec_in_port, *dec_out_port;
GstBufferPool *in_port_pool, *out_port_pool;
/* < private > */
GstVideoCodecState *input_state;
GstBuffer *codec_data;
/* TRUE if the component is configured and saw
* the first buffer */
gboolean started;
/* TRUE if the ports where disabled after being activated the first time. */
gboolean disabled;
GstClockTime last_upstream_ts;
/* Draining state */
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GMutex drain_lock;
GCond drain_cond;
/* TRUE if EOS buffers shouldn't be forwarded */
gboolean draining;
GstFlowReturn downstream_flow_ret;
/* Initially FALSE. Switched to TRUE when all requirements
* are met to try setting up the decoder with OMX_UseBuffer.
* Switched to FALSE if this trial fails so that the decoder
* can fallback to OMX_AllocateBuffer. */
gboolean use_buffers;
#if defined (USE_OMX_TARGET_RPI)
GstOMXComponent *egl_render;
GstOMXPort *egl_in_port, *egl_out_port;
#endif
#if defined (HAVE_GST_GL)
gboolean eglimage;
#endif
/* TRUE if decoder is producing dmabuf */
gboolean dmabuf;
};
struct _GstOMXVideoDecClass
{
GstVideoDecoderClass parent_class;
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GstOMXClassData cdata;
gboolean (*is_format_change) (GstOMXVideoDec * self, GstOMXPort * port, GstVideoCodecState * state);
gboolean (*set_format) (GstOMXVideoDec * self, GstOMXPort * port, GstVideoCodecState * state);
GstFlowReturn (*prepare_frame) (GstOMXVideoDec * self, GstVideoCodecFrame *frame);
};
GType gst_omx_video_dec_get_type (void);
G_END_DECLS
#endif /* __GST_OMX_VIDEO_DEC_H__ */