149 lines
5.7 KiB
C++
149 lines
5.7 KiB
C++
#pragma once
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/*
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* Copyright (C) 2005-2010 Team XBMC
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* http://www.xbmc.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with XBMC; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#if (defined HAVE_CONFIG_H) && (!defined WIN32)
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#include "config.h"
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#endif
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#include "DynamicDll.h"
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#include "utils/log.h"
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extern "C" {
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#ifndef HAVE_MMX
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#define HAVE_MMX
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#endif
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#ifndef __STDC_CONSTANT_MACROS
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#define __STDC_CONSTANT_MACROS
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#endif
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#ifndef __GNUC__
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#pragma warning(disable:4244)
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#endif
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#if (defined USE_EXTERNAL_FFMPEG)
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#if HAVE_LIBSWRESAMPLE_SWRESAMPLE_H
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#include <libswresample/swresample.h>
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#elif HAVE_LIBAVRESAMPLE_AVRESAMPLE_H
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#include <libavresample/avresample.h>
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#include <libavutil/opt.h>
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#include <libavutil/samplefmt.h>
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#define SwrContext AVAudioResampleContext
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#else
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#error "Either libswresample or libavresample is needed!"
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#endif
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#else
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#include "libswresample/swresample.h"
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#endif
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}
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class DllSwResampleInterface
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{
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public:
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virtual ~DllSwResampleInterface() {}
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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;
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virtual int swr_init(struct SwrContext *s)=0;
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virtual void swr_free(struct SwrContext **s)=0;
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virtual int swr_convert(struct SwrContext *s, uint8_t **out, int out_count, const uint8_t **in , int in_count)=0;
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};
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#if (defined USE_EXTERNAL_FFMPEG) || (defined TARGET_DARWIN)
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#if HAVE_LIBSWRESAMPLE_SWRESAMPLE_H || (defined TARGET_DARWIN)
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// Use direct mapping
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class DllSwResample : public DllDynamic, DllSwResampleInterface
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{
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public:
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virtual ~DllSwResample() {}
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// DLL faking.
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virtual bool ResolveExports() { return true; }
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virtual bool Load() {
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CLog::Log(LOGDEBUG, "DllAvFormat: Using libswresample system library");
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return true;
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}
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virtual void Unload() {}
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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); }
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virtual int swr_init(struct SwrContext *s) { return ::swr_init(s); }
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virtual void swr_free(struct SwrContext **s){ return ::swr_free(s); }
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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); }
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};
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#else
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// Wrap the same API through libavresample.
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class DllSwResample : public DllDynamic, DllSwResampleInterface
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{
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public:
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virtual ~DllSwResample() {}
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// DLL faking.
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virtual bool ResolveExports() { return true; }
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virtual bool Load() {
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CLog::Log(LOGDEBUG, "DllAvFormat: Using libavresample system library");
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return true;
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}
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virtual void Unload() {}
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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) {
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AVAudioResampleContext *ret = ::avresample_alloc_context();
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av_opt_set_int(ret, "out_channel_layout", out_ch_layout , 0);
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av_opt_set_int(ret, "out_sample_fmt" , out_sample_fmt , 0);
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av_opt_set_int(ret, "out_sample_rate" , out_sample_rate, 0);
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av_opt_set_int(ret, "in_channel_layout" , in_ch_layout , 0);
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av_opt_set_int(ret, "in_sample_fmt" , in_sample_fmt , 0);
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av_opt_set_int(ret, "in_sample_rate" , in_sample_rate , 0);
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return ret;
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}
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virtual int swr_init(struct SwrContext *s) { return ::avresample_open(s); }
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virtual void swr_free(struct SwrContext **s){ ::avresample_close(*s); *s = NULL; }
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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); }
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};
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#endif
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#else
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class DllSwResample : public DllDynamic, DllSwResampleInterface
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{
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DECLARE_DLL_WRAPPER(DllSwResample, DLL_PATH_LIBSWRESAMPLE)
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LOAD_SYMBOLS()
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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));
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DEFINE_METHOD1(int, swr_init, (struct SwrContext *p1))
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DEFINE_METHOD1(void, swr_free, (struct SwrContext **p1))
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DEFINE_METHOD5(int, swr_convert, (struct SwrContext *p1, uint8_t **p2, int p3, const uint8_t **p4, int p5))
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BEGIN_METHOD_RESOLVE()
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RESOLVE_METHOD(swr_alloc_set_opts)
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RESOLVE_METHOD(swr_init)
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RESOLVE_METHOD(swr_free)
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RESOLVE_METHOD(swr_convert)
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END_METHOD_RESOLVE()
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/* dependencies of libavformat */
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DllAvUtil m_dllAvUtil;
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public:
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virtual bool Load()
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{
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if (!m_dllAvUtil.Load())
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return false;
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return DllDynamic::Load();
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}
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};
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#endif
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