content/media/VorbisUtils.h@6474c204b198 (annotated)
content/media/VorbisUtils.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim:set ts=2 sw=2 sts=2 et cindent: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef VORBISUTILS_H_ |
| michael@0 | 8 | #define VORBISUTILS_H_ |
| michael@0 | 9 | |
| michael@0 | 10 | #ifdef MOZ_SAMPLE_TYPE_S16 |
| michael@0 | 11 | #include <ogg/os_types.h> |
| michael@0 | 12 | typedef ogg_int32_t VorbisPCMValue; |
| michael@0 | 13 | |
| michael@0 | 14 | #define MOZ_CLIP_TO_15(x) ((x)<-32768?-32768:(x)<=32767?(x):32767) |
| michael@0 | 15 | // Convert the output of vorbis_synthesis_pcmout to a AudioDataValue |
| michael@0 | 16 | #define MOZ_CONVERT_VORBIS_SAMPLE(x) \ |
| michael@0 | 17 | (static_cast<AudioDataValue>(MOZ_CLIP_TO_15((x)>>9))) |
| michael@0 | 18 | |
| michael@0 | 19 | #else /* MOZ_SAMPLE_TYPE_FLOAT32 */ |
| michael@0 | 20 | |
| michael@0 | 21 | typedef float VorbisPCMValue; |
| michael@0 | 22 | |
| michael@0 | 23 | #define MOZ_CONVERT_VORBIS_SAMPLE(x) (x) |
| michael@0 | 24 | |
| michael@0 | 25 | #endif |
| michael@0 | 26 | |
| michael@0 | 27 | #endif /* VORBISUTILS_H_ */ |
