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 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* vim:set ts=2 sw=2 sts=2 et cindent: */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 #ifndef VORBISUTILS_H_

 #define VORBISUTILS_H_

 #ifdef MOZ_SAMPLE_TYPE_S16

 #include <ogg/os_types.h>

 typedef ogg_int32_t VorbisPCMValue;

 #define MOZ_CLIP_TO_15(x) ((x)<-32768?-32768:(x)<=32767?(x):32767)

 // Convert the output of vorbis_synthesis_pcmout to a AudioDataValue

 #define MOZ_CONVERT_VORBIS_SAMPLE(x) \

  (static_cast<AudioDataValue>(MOZ_CLIP_TO_15((x)>>9)))

 #else /* MOZ_SAMPLE_TYPE_FLOAT32 */

 typedef float VorbisPCMValue;

 #define MOZ_CONVERT_VORBIS_SAMPLE(x) (x)

 #endif

 #endif /* VORBISUTILS_H_ */