Add support for audio decoders, completely untested so far

1 files changed, 96 insertions, 0 deletions

diff --git a/sys/androidmedia/gstamcaudiodec.h b/sys/androidmedia/gstamcaudiodec.h
new file mode 100644
index 000000000..b8436e312
--- /dev/null
+++ b/sys/androidmedia/gstamcaudiodec.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2012, Collabora Ltd.
+ *   Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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_AMC_AUDIO_DEC_H__
+#define __GST_AMC_AUDIO_DEC_H__
+
+#include <gst/gst.h>
+#include <gst/audio/multichannel.h>
+#include <gst/audio/gstaudiodecoder.h>
+
+#include "gstamc.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_AMC_AUDIO_DEC \
+  (gst_amc_audio_dec_get_type())
+#define GST_AMC_AUDIO_DEC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AMC_AUDIO_DEC,GstAmcAudioDec))
+#define GST_AMC_AUDIO_DEC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AMC_AUDIO_DEC,GstAmcAudioDecClass))
+#define GST_AMC_AUDIO_DEC_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_AMC_AUDIO_DEC,GstAmcAudioDecClass))
+#define GST_IS_AMC_AUDIO_DEC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AMC_AUDIO_DEC))
+#define GST_IS_AMC_AUDIO_DEC_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AMC_AUDIO_DEC))
+
+typedef struct _GstAmcAudioDec GstAmcAudioDec;
+typedef struct _GstAmcAudioDecClass GstAmcAudioDecClass;
+
+struct _GstAmcAudioDec
+{
+  GstAudioDecoder parent;
+
+  /* < private > */
+  GstAmcCodec *codec;
+  GstAmcBuffer *input_buffers, *output_buffers;
+  gsize n_input_buffers, n_output_buffers;
+
+  GstCaps *input_caps;
+  GList *codec_datas;
+  gboolean input_caps_changed;
+
+  /* Output format of the codec */
+  gint channels, rate;
+  GstAudioChannelPosition *positions;
+
+  GstBuffer *codec_data;
+  /* TRUE if the component is configured and saw
+   * the first buffer */
+  gboolean started;
+  gboolean flushing;
+
+  GstClockTime last_upstream_ts;
+
+  /* Draining state */
+  GMutex *drain_lock;
+  GCond *drain_cond;
+  /* TRUE if EOS buffers shouldn't be forwarded */
+  gboolean draining;
+
+  /* TRUE if upstream is EOS */
+  gboolean eos;
+
+  GstFlowReturn downstream_flow_ret;
+};
+
+struct _GstAmcAudioDecClass
+{
+  GstAudioDecoderClass parent_class;
+
+  const GstAmcCodecInfo *codec_info;
+};
+
+GType gst_amc_audio_dec_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_AMC_AUDIO_DEC_H__ */