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DllSwResample.h
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DllSwResample.h
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#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"
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)
#include <libswresample/swresample.h>
#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)
// 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
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