3 * Copyright (C) 2005-2013 Team XBMC
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 2, or (at your option)
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.
16 * You should have received a copy of the GNU General Public License
17 * along with XBMC; see the file COPYING. If not, see
18 * <http://www.gnu.org/licenses/>.
22 #if (defined HAVE_CONFIG_H) && (!defined WIN32)
25 #include "DynamicDll.h"
26 #include "utils/log.h"
32 #ifndef __STDC_CONSTANT_MACROS
33 #define __STDC_CONSTANT_MACROS
36 #pragma warning(disable:4244)
38 #if (defined USE_EXTERNAL_FFMPEG)
39 #if (defined USE_LIBAV_HACKS)
40 #include "xbmc-libav-hacks/libav_hacks.h"
42 #include <libswresample/swresample.h>
45 #include "libswresample/swresample.h"
49 class DllSwResampleInterface
52 virtual ~DllSwResampleInterface() {}
53 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;
54 virtual int swr_init(struct SwrContext *s)=0;
55 virtual void swr_free(struct SwrContext **s)=0;
56 virtual int swr_convert(struct SwrContext *s, uint8_t **out, int out_count, const uint8_t **in , int in_count)=0;
57 virtual int64_t swr_get_delay(struct SwrContext *s, int64_t base) = 0;
58 virtual int swr_set_channel_mapping(struct SwrContext *s, const int *channel_map) = 0;
59 virtual int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride) = 0;
60 virtual int swr_set_compensation(struct SwrContext *s, int sample_delta, int compensation_distance) = 0;
63 #if (defined USE_EXTERNAL_FFMPEG) || (defined TARGET_DARWIN) || (defined USE_STATIC_FFMPEG)
66 class DllSwResample : public DllDynamic, DllSwResampleInterface
69 virtual ~DllSwResample() {}
72 virtual bool ResolveExports() { return true; }
74 #if !defined(TARGET_DARWIN) && !defined(USE_STATIC_FFMPEG)
75 CLog::Log(LOGDEBUG, "DllAvFormat: Using libswresample system library");
79 virtual void Unload() {}
80 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); }
81 virtual int swr_init(struct SwrContext *s) { return ::swr_init(s); }
82 virtual void swr_free(struct SwrContext **s){ return ::swr_free(s); }
83 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); }
84 virtual int64_t swr_get_delay(struct SwrContext *s, int64_t base) { return ::swr_get_delay(s, base); }
85 virtual int swr_set_channel_mapping (struct SwrContext *s, const int *channel_map) { return ::swr_set_channel_mapping(s, channel_map); }
86 virtual int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride) { return ::swr_set_matrix(s, matrix, stride); }
87 virtual int swr_set_compensation(struct SwrContext *s, int sample_delta, int compensation_distance) { return ::swr_set_compensation(s, sample_delta, compensation_distance); }
92 class DllSwResample : public DllDynamic, DllSwResampleInterface
94 DECLARE_DLL_WRAPPER(DllSwResample, DLL_PATH_LIBSWRESAMPLE)
98 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));
99 DEFINE_METHOD1(int, swr_init, (struct SwrContext *p1))
100 DEFINE_METHOD1(void, swr_free, (struct SwrContext **p1))
101 DEFINE_METHOD5(int, swr_convert, (struct SwrContext *p1, uint8_t **p2, int p3, const uint8_t **p4, int p5))
102 DEFINE_METHOD2(int64_t, swr_get_delay, (struct SwrContext *p1, int64_t p2))
103 DEFINE_METHOD2(int, swr_set_channel_mapping, (struct SwrContext *p1, const int *p2))
104 DEFINE_METHOD3(int, swr_set_matrix, (struct SwrContext *p1, const double *p2, int p3))
105 DEFINE_METHOD3(int, swr_set_compensation, (struct SwrContext *p1, int p2, int p3))
107 BEGIN_METHOD_RESOLVE()
108 RESOLVE_METHOD(swr_alloc_set_opts)
109 RESOLVE_METHOD(swr_init)
110 RESOLVE_METHOD(swr_free)
111 RESOLVE_METHOD(swr_convert)
112 RESOLVE_METHOD(swr_get_delay)
113 RESOLVE_METHOD(swr_set_channel_mapping)
114 RESOLVE_METHOD(swr_set_matrix)
115 RESOLVE_METHOD(swr_set_compensation)
118 /* dependencies of libavformat */
119 DllAvUtil m_dllAvUtil;
125 if (!m_dllAvUtil.Load())
127 return DllDynamic::Load();