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cee619486a
Add MediaFoundation AAC encoder element. Before Windows 10, mono and stereo channels were supported audio channels configuration by AAC encoder MFT. However, on Windows 10, 5.1 channels support was introduced. To expose correct range of support format by this element whatever the OS version is, this element will enumerate all the supported format by the AAC encoder MFT and then will configure sink/src templates while plugin init. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1280>
74 lines
No EOL
2.5 KiB
C
74 lines
No EOL
2.5 KiB
C
/* GStreamer
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_MF_AUDIO_ENC_H__
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#define __GST_MF_AUDIO_ENC_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include "gstmfutils.h"
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#include "gstmftransform.h"
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G_BEGIN_DECLS
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#define GST_TYPE_MF_AUDIO_ENC (gst_mf_audio_enc_get_type())
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#define GST_MF_AUDIO_ENC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MF_AUDIO_ENC,GstMFAudioEnc))
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#define GST_MF_AUDIO_ENC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_MF_AUDIO_ENC,GstMFAudioEncClass))
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#define GST_MF_AUDIO_ENC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_MF_AUDIO_ENC,GstMFAudioEncClass))
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#define GST_IS_MF_AUDIO_ENC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MF_AUDIO_ENC))
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#define GST_IS_MF_AUDIO_ENC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_MF_AUDIO_ENC))
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typedef struct _GstMFAudioEnc GstMFAudioEnc;
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typedef struct _GstMFAudioEncClass GstMFAudioEncClass;
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struct _GstMFAudioEnc
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{
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GstAudioEncoder parent;
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GstMFTransform *transform;
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guint64 sample_duration_in_mf;
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guint64 sample_count;
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};
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struct _GstMFAudioEncClass
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{
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GstAudioEncoderClass parent_class;
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GUID codec_id;
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guint32 enum_flags;
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guint device_index;
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gint frame_samples;
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gboolean (*get_output_type) (GstMFAudioEnc * mfenc,
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GstAudioInfo * info,
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IMFMediaType ** output_type);
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gboolean (*get_input_type) (GstMFAudioEnc * mfenc,
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GstAudioInfo * info,
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IMFMediaType ** input_type);
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gboolean (*set_src_caps) (GstMFAudioEnc * mfenc,
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GstAudioInfo * info);
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};
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GType gst_mf_audio_enc_get_type (void);
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G_END_DECLS
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#endif /* __GST_MF_AUDIO_ENC_H__ */ |