mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice-common
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35be203f42
Signed-off-by: Frediano Ziglio <freddy77@gmail.com> Acked-by: Julien Ropé <jrope@gmail.com>
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2013 Jeremy White <jwhite@codeweavers.com>
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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; either
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version 2.1 of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef H_SPICE_COMMON_SND_CODEC
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#define H_SPICE_COMMON_SND_CODEC
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#include <stdbool.h>
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#include <spice/enums.h>
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#define SND_CODEC_OPUS_FRAME_SIZE 480
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#define SND_CODEC_OPUS_PLAYBACK_FREQ 48000
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#define SND_CODEC_OPUS_COMPRESSED_FRAME_BYTES 480
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#define SND_CODEC_PLAYBACK_CHAN 2
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#define SND_CODEC_MAX_FRAME_SIZE SND_CODEC_OPUS_FRAME_SIZE
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#define SND_CODEC_MAX_FRAME_BYTES (SND_CODEC_MAX_FRAME_SIZE * SND_CODEC_PLAYBACK_CHAN * 2 /* FMT_S16 */)
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#define SND_CODEC_MAX_COMPRESSED_BYTES SND_CODEC_OPUS_COMPRESSED_FRAME_BYTES
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#define SND_CODEC_ANY_FREQUENCY -1
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#define SND_CODEC_ENCODE 0x0001
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#define SND_CODEC_DECODE 0x0002
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SPICE_BEGIN_DECLS
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typedef enum {
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SND_CODEC_OK,
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SND_CODEC_UNAVAILABLE,
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SND_CODEC_ENCODER_UNAVAILABLE,
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SND_CODEC_DECODER_UNAVAILABLE,
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SND_CODEC_ENCODE_FAILED,
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SND_CODEC_DECODE_FAILED,
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SND_CODEC_INVALID_ENCODE_SIZE,
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} SndCodecResult;
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typedef struct SndCodecInternal * SndCodec;
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bool snd_codec_is_capable(SpiceAudioDataMode mode, int frequency);
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SndCodecResult snd_codec_create(SndCodec *codec,
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SpiceAudioDataMode mode, int frequency, int purpose);
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void snd_codec_destroy(SndCodec *codec);
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int snd_codec_frame_size(SndCodec codec);
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SndCodecResult snd_codec_encode(SndCodec codec, uint8_t *in_ptr, int in_size,
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uint8_t *out_ptr, int *out_size);
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SndCodecResult snd_codec_decode(SndCodec codec, uint8_t *in_ptr, int in_size,
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uint8_t *out_ptr, int *out_size);
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SPICE_END_DECLS
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#endif
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