1 /* GStreamer 2 * Copyright (C) 2020 Seungha Yang <seungha@centricular.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_MF_AUDIO_ENC_H__ 21 #define __GST_MF_AUDIO_ENC_H__ 22 23 #include <gst/gst.h> 24 #include <gst/audio/audio.h> 25 #include "gstmfutils.h" 26 #include "gstmftransform.h" 27 28 G_BEGIN_DECLS 29 30 #define GST_TYPE_MF_AUDIO_ENC (gst_mf_audio_enc_get_type()) 31 #define GST_MF_AUDIO_ENC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MF_AUDIO_ENC,GstMFAudioEnc)) 32 #define GST_MF_AUDIO_ENC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_MF_AUDIO_ENC,GstMFAudioEncClass)) 33 #define GST_MF_AUDIO_ENC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_MF_AUDIO_ENC,GstMFAudioEncClass)) 34 #define GST_IS_MF_AUDIO_ENC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MF_AUDIO_ENC)) 35 #define GST_IS_MF_AUDIO_ENC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_MF_AUDIO_ENC)) 36 37 typedef struct _GstMFAudioEnc GstMFAudioEnc; 38 typedef struct _GstMFAudioEncClass GstMFAudioEncClass; 39 40 struct _GstMFAudioEnc 41 { 42 GstAudioEncoder parent; 43 44 GstMFTransform *transform; 45 guint64 sample_duration_in_mf; 46 guint64 sample_count; 47 }; 48 49 struct _GstMFAudioEncClass 50 { 51 GstAudioEncoderClass parent_class; 52 53 GUID codec_id; 54 guint32 enum_flags; 55 guint device_index; 56 gint frame_samples; 57 58 gboolean (*get_output_type) (GstMFAudioEnc * mfenc, 59 GstAudioInfo * info, 60 IMFMediaType ** output_type); 61 62 gboolean (*get_input_type) (GstMFAudioEnc * mfenc, 63 GstAudioInfo * info, 64 IMFMediaType ** input_type); 65 66 gboolean (*set_src_caps) (GstMFAudioEnc * mfenc, 67 GstAudioInfo * info); 68 }; 69 70 GType gst_mf_audio_enc_get_type (void); 71 72 G_END_DECLS 73 74 #endif /* __GST_MF_AUDIO_ENC_H__ */