Gnash  0.8.11dev
AudioResamplerFfmpeg.h
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1 // AudioResamplerFfmpeg.h - FFMPEG based audio resampler
2 //
3 // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
4 // Free Software Foundation, Inc
5 //
6 // This program is free software; you can redistribute it and/or modify
7 // it under the terms of the GNU General Public License as published by
8 // the Free Software Foundation; either version 3 of the License, or
9 // (at your option) any later version.
10 
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 //
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 
20 #ifndef GNASH_MEDIA_FFMPEG_AUDIORESAMPLERFFMPEG_H
21 #define GNASH_MEDIA_FFMPEG_AUDIORESAMPLERFFMPEG_H
22 
23 #include "log.h"
24 #include "dsodefs.h" //For DSOEXPORT
25 
26 #include "ffmpegHeaders.h"
27 
28 #include <cstdint>
29 
30 namespace gnash {
31 namespace media {
32 namespace ffmpeg {
33 
35 //
39 {
40 public:
42 
44 
46  //
52  DSOEXPORT bool init(AVCodecContext* ctx);
53 
55  //
70  DSOEXPORT int resample(std::uint8_t** input, int plane_size,
71  int samples, std::uint8_t** output);
72 
73 private:
74  // The container of the resample format information.
75 #ifdef HAVE_SWRESAMPLE_H
76  SwrContext* _context;
77 #elif HAVE_AVRESAMPLE_H
78  AVAudioResampleContext* _context;
79 #else
80  ReSampleContext* _context;
81 #endif
82 };
83 
84 } // gnash.media.ffmpeg namespace
85 } // gnash.media namespace
86 } // namespace gnash
87 
88 
89 #endif // GNASH_MEDIA_FFMPEG_AUDIORESAMPLERFFMPEG_H
DSOEXPORT bool init(AVCodecContext *ctx)
Initializes the resampler.
Definition: AudioResamplerFfmpeg.cpp:50
Anonymous namespace for callbacks, local functions, event handlers etc.
Definition: dbus_ext.cpp:40
DSOEXPORT AudioResamplerFfmpeg()
Definition: AudioResamplerFfmpeg.cpp:32
#define DSOEXPORT
Definition: dsodefs.h:55
DSOEXPORT int resample(std::uint8_t **input, int plane_size, int samples, std::uint8_t **output)
Resamples audio.
Definition: AudioResamplerFfmpeg.cpp:86
DSOEXPORT ~AudioResamplerFfmpeg()
Definition: AudioResamplerFfmpeg.cpp:36
FFMPEG based AudioResampler.
Definition: AudioResamplerFfmpeg.h:38