gstreamer/omx/gstomxaudiodec.h

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/*
* Copyright (C) 2014, Sebastian Dröge <sebastian@centricular.com>
*
* 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_AUDIO_DEC_H__
#define __GST_OMX_AUDIO_DEC_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/audio/audio.h>
#include <gst/audio/gstaudiodecoder.h>
#include "gstomx.h"
G_BEGIN_DECLS
#define GST_TYPE_OMX_AUDIO_DEC \
(gst_omx_audio_dec_get_type())
#define GST_OMX_AUDIO_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OMX_AUDIO_DEC,GstOMXAudioDec))
#define GST_OMX_AUDIO_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OMX_AUDIO_DEC,GstOMXAudioDecClass))
#define GST_OMX_AUDIO_DEC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OMX_AUDIO_DEC,GstOMXAudioDecClass))
#define GST_IS_OMX_AUDIO_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OMX_AUDIO_DEC))
#define GST_IS_OMX_AUDIO_DEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OMX_AUDIO_DEC))
typedef struct _GstOMXAudioDec GstOMXAudioDec;
typedef struct _GstOMXAudioDecClass GstOMXAudioDecClass;
struct _GstOMXAudioDec
{
GstAudioDecoder parent;
/* < protected > */
GstOMXComponent *dec;
GstOMXPort *dec_in_port, *dec_out_port;
GstBufferPool *in_port_pool, *out_port_pool;
/* < private > */
GstAudioInfo info;
GstAudioChannelPosition position[OMX_AUDIO_MAXCHANNELS];
gint reorder_map[OMX_AUDIO_MAXCHANNELS];
gboolean needs_reorder;
GstBuffer *codec_data;
/* TRUE if the component is configured and saw
* the first buffer */
gboolean started;
GstClockTime last_upstream_ts;
/* Draining state */
GMutex drain_lock;
GCond drain_cond;
/* TRUE if EOS buffers shouldn't be forwarded */
gboolean draining;
GstAdapter *output_adapter;
GstFlowReturn downstream_flow_ret;
};
struct _GstOMXAudioDecClass
{
GstAudioDecoderClass parent_class;
GstOMXClassData cdata;
gboolean (*is_format_change) (GstOMXAudioDec * self, GstOMXPort * port, GstCaps * caps);
gboolean (*set_format) (GstOMXAudioDec * self, GstOMXPort * port, GstCaps * caps);
gint (*get_samples_per_frame) (GstOMXAudioDec * self, GstOMXPort * port);
gboolean (*get_channel_positions) (GstOMXAudioDec * self, GstOMXPort * port, GstAudioChannelPosition position[OMX_AUDIO_MAXCHANNELS]);
};
GType gst_omx_audio_dec_get_type (void);
G_END_DECLS
#endif /* __GST_OMX_AUDIO_DEC_H__ */