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5b23cf694c
Some audio decoders (at least the MP3 decoder on MTK based devices) outputs raw audio in batches of multiple audio frames. We need to handle that properly, otherwise the base class will be kind of unhappy.
103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/*
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* Copyright (C) 2012, Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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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 Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __GST_AMC_AUDIO_DEC_H__
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#define __GST_AMC_AUDIO_DEC_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include <gst/audio/gstaudiodecoder.h>
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#include "gstamc.h"
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G_BEGIN_DECLS
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#define GST_TYPE_AMC_AUDIO_DEC \
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(gst_amc_audio_dec_get_type())
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#define GST_AMC_AUDIO_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AMC_AUDIO_DEC,GstAmcAudioDec))
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#define GST_AMC_AUDIO_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AMC_AUDIO_DEC,GstAmcAudioDecClass))
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#define GST_AMC_AUDIO_DEC_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_AMC_AUDIO_DEC,GstAmcAudioDecClass))
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#define GST_IS_AMC_AUDIO_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AMC_AUDIO_DEC))
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#define GST_IS_AMC_AUDIO_DEC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AMC_AUDIO_DEC))
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typedef struct _GstAmcAudioDec GstAmcAudioDec;
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typedef struct _GstAmcAudioDecClass GstAmcAudioDecClass;
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struct _GstAmcAudioDec
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{
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GstAudioDecoder parent;
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/* < private > */
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GstAmcCodec *codec;
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GstAmcBuffer *input_buffers, *output_buffers;
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gsize n_input_buffers, n_output_buffers;
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GstCaps *input_caps;
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GList *codec_datas;
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gboolean input_caps_changed;
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gint spf;
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/* Output format of the codec */
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GstAudioInfo info;
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/* AMC positions, might need reordering */
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GstAudioChannelPosition positions[64];
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gboolean needs_reorder;
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gint reorder_map[64];
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/* TRUE if the component is configured and saw
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* the first buffer */
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gboolean started;
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gboolean flushing;
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GstClockTime last_upstream_ts;
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/* Draining state */
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GMutex drain_lock;
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GCond drain_cond;
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/* TRUE if EOS buffers shouldn't be forwarded */
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gboolean draining;
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/* TRUE if upstream is EOS */
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gboolean eos;
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GstFlowReturn downstream_flow_ret;
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/* Output buffers counter */
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gint n_buffers;
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};
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struct _GstAmcAudioDecClass
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{
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GstAudioDecoderClass parent_class;
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const GstAmcCodecInfo *codec_info;
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};
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GType gst_amc_audio_dec_get_type (void);
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G_END_DECLS
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#endif /* __GST_AMC_AUDIO_DEC_H__ */
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