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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/media/VorbisUtils.h | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | uxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/VorbisUtils.h')
| -rw-r--r-- | dom/media/VorbisUtils.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/dom/media/VorbisUtils.h b/dom/media/VorbisUtils.h new file mode 100644 index 0000000000..36ad214489 --- /dev/null +++ b/dom/media/VorbisUtils.h @@ -0,0 +1,27 @@ +/* -*- 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_ */ |