forked from huceke/omxplayer
-
Notifications
You must be signed in to change notification settings - Fork 334
/
DllSwResample.h
149 lines (133 loc) · 5.67 KB
/
DllSwResample.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
#pragma once
/*
* Copyright (C) 2005-2010 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#if (defined HAVE_CONFIG_H) && (!defined WIN32)
#include "config.h"
#endif
#include "DynamicDll.h"
#include "utils/log.h"
extern "C" {
#ifndef HAVE_MMX
#define HAVE_MMX
#endif
#ifndef __STDC_CONSTANT_MACROS
#define __STDC_CONSTANT_MACROS
#endif
#ifndef __GNUC__
#pragma warning(disable:4244)
#endif
#if (defined USE_EXTERNAL_FFMPEG)
#if HAVE_LIBSWRESAMPLE_SWRESAMPLE_H
#include <libswresample/swresample.h>
#elif HAVE_LIBAVRESAMPLE_AVRESAMPLE_H
#include <libavresample/avresample.h>
#include <libavutil/opt.h>
#include <libavutil/samplefmt.h>
#define SwrContext AVAudioResampleContext
#else
#error "Either libswresample or libavresample is needed!"
#endif
#else
#include "libswresample/swresample.h"
#endif
}
class DllSwResampleInterface
{
public:
virtual ~DllSwResampleInterface() {}
virtual struct SwrContext *swr_alloc_set_opts(struct SwrContext *s, int64_t out_ch_layout, enum AVSampleFormat out_sample_fmt, int out_sample_rate, int64_t in_ch_layout, enum AVSampleFormat in_sample_fmt, int in_sample_rate, int log_offset, void *log_ctx)=0;
virtual int swr_init(struct SwrContext *s)=0;
virtual void swr_free(struct SwrContext **s)=0;
virtual int swr_convert(struct SwrContext *s, uint8_t **out, int out_count, const uint8_t **in , int in_count)=0;
};
#if (defined USE_EXTERNAL_FFMPEG) || (defined TARGET_DARWIN)
#if HAVE_LIBSWRESAMPLE_SWRESAMPLE_H || (defined TARGET_DARWIN)
// Use direct mapping
class DllSwResample : public DllDynamic, DllSwResampleInterface
{
public:
virtual ~DllSwResample() {}
// DLL faking.
virtual bool ResolveExports() { return true; }
virtual bool Load() {
CLog::Log(LOGDEBUG, "DllAvFormat: Using libswresample system library");
return true;
}
virtual void Unload() {}
virtual struct SwrContext *swr_alloc_set_opts(struct SwrContext *s, int64_t out_ch_layout, enum AVSampleFormat out_sample_fmt, int out_sample_rate, int64_t in_ch_layout, enum AVSampleFormat in_sample_fmt, int in_sample_rate, int log_offset, void *log_ctx) { return ::swr_alloc_set_opts(s, out_ch_layout, out_sample_fmt, out_sample_rate, in_ch_layout, in_sample_fmt, in_sample_rate, log_offset, log_ctx); }
virtual int swr_init(struct SwrContext *s) { return ::swr_init(s); }
virtual void swr_free(struct SwrContext **s){ return ::swr_free(s); }
virtual int swr_convert(struct SwrContext *s, uint8_t **out, int out_count, const uint8_t **in , int in_count){ return ::swr_convert(s, out, out_count, in, in_count); }
};
#else
// Wrap the same API through libavresample.
class DllSwResample : public DllDynamic, DllSwResampleInterface
{
public:
virtual ~DllSwResample() {}
// DLL faking.
virtual bool ResolveExports() { return true; }
virtual bool Load() {
CLog::Log(LOGDEBUG, "DllAvFormat: Using libavresample system library");
return true;
}
virtual void Unload() {}
virtual struct SwrContext *swr_alloc_set_opts(struct SwrContext *s, int64_t out_ch_layout, enum AVSampleFormat out_sample_fmt, int out_sample_rate, int64_t in_ch_layout, enum AVSampleFormat in_sample_fmt, int in_sample_rate, int log_offset, void *log_ctx) {
AVAudioResampleContext *ret = ::avresample_alloc_context();
av_opt_set_int(ret, "out_channel_layout", out_ch_layout , 0);
av_opt_set_int(ret, "out_sample_fmt" , out_sample_fmt , 0);
av_opt_set_int(ret, "out_sample_rate" , out_sample_rate, 0);
av_opt_set_int(ret, "in_channel_layout" , in_ch_layout , 0);
av_opt_set_int(ret, "in_sample_fmt" , in_sample_fmt , 0);
av_opt_set_int(ret, "in_sample_rate" , in_sample_rate , 0);
return ret;
}
virtual int swr_init(struct SwrContext *s) { return ::avresample_open(s); }
virtual void swr_free(struct SwrContext **s){ ::avresample_close(*s); *s = NULL; }
virtual int swr_convert(struct SwrContext *s, uint8_t **out, int out_count, const uint8_t **in , int in_count){ return ::avresample_convert(s, (void**)out, 0, out_count, (void**)in, 0,in_count); }
};
#endif
#else
class DllSwResample : public DllDynamic, DllSwResampleInterface
{
DECLARE_DLL_WRAPPER(DllSwResample, DLL_PATH_LIBSWRESAMPLE)
LOAD_SYMBOLS()
DEFINE_METHOD9(SwrContext*, swr_alloc_set_opts, (struct SwrContext *p1, int64_t p2, enum AVSampleFormat p3, int p4, int64_t p5, enum AVSampleFormat p6, int p7, int p8, void * p9));
DEFINE_METHOD1(int, swr_init, (struct SwrContext *p1))
DEFINE_METHOD1(void, swr_free, (struct SwrContext **p1))
DEFINE_METHOD5(int, swr_convert, (struct SwrContext *p1, uint8_t **p2, int p3, const uint8_t **p4, int p5))
BEGIN_METHOD_RESOLVE()
RESOLVE_METHOD(swr_alloc_set_opts)
RESOLVE_METHOD(swr_init)
RESOLVE_METHOD(swr_free)
RESOLVE_METHOD(swr_convert)
END_METHOD_RESOLVE()
/* dependencies of libavformat */
DllAvUtil m_dllAvUtil;
public:
virtual bool Load()
{
if (!m_dllAvUtil.Load())
return false;
return DllDynamic::Load();
}
};
#endif