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DllAvUtil.h
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DllAvUtil.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, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, 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"
#ifndef __GNUC__
#pragma warning(push)
#pragma warning(disable:4244)
#endif
extern "C" {
#if (defined USE_EXTERNAL_FFMPEG)
#if (defined HAVE_LIBAVUTIL_AVUTIL_H)
#include <libavutil/avutil.h>
#include <libavutil/crc.h>
#include <libavutil/fifo.h>
// for LIBAVCODEC_VERSION_INT:
#include <libavcodec/avcodec.h>
#elif (defined HAVE_FFMPEG_AVUTIL_H)
#include <ffmpeg/avutil.h>
#include <ffmpeg/crc.h>
#include <ffmpeg/fifo.h>
// for LIBAVCODEC_VERSION_INT:
#include <ffmpeg/avcodec.h>
#endif
#if defined(HAVE_LIBAVUTIL_OPT_H)
#include <libavutil/opt.h>
#elif defined(HAVE_LIBAVCODEC_AVCODEC_H)
#include <libavcodec/opt.h>
#else
#include <ffmpeg/opt.h>
#endif
#if defined(HAVE_LIBAVUTIL_MEM_H)
#include <libavutil/mem.h>
#else
#include <ffmpeg/mem.h>
#endif
#if (defined HAVE_LIBAVUTIL_MATHEMATICS_H)
#include <libavutil/mathematics.h>
#endif
#else
#include "libavutil/avutil.h"
#include "libavutil/audioconvert.h"
#include "libavutil/crc.h"
#include "libavutil/opt.h"
#include "libavutil/mem.h"
#include "libavutil/fifo.h"
#include "libavutil/samplefmt.h"
#endif
}
#ifndef __GNUC__
#pragma warning(pop)
#endif
// calback used for logging
void ff_avutil_log(void* ptr, int level, const char* format, va_list va);
class DllAvUtilInterface
{
public:
virtual ~DllAvUtilInterface() {}
virtual void av_log_set_callback(void (*)(void*, int, const char*, va_list))=0;
virtual void *av_malloc(unsigned int size)=0;
virtual void *av_mallocz(unsigned int size)=0;
virtual void *av_realloc(void *ptr, unsigned int size)=0;
virtual void av_free(void *ptr)=0;
virtual void av_freep(void *ptr)=0;
virtual int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding)=0;
virtual int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)=0;
virtual int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size)=0;
virtual const AVCRC* av_crc_get_table(AVCRCId crc_id)=0;
virtual uint32_t av_crc(const AVCRC *ctx, uint32_t crc, const uint8_t *buffer, size_t length)=0;
virtual int av_opt_set(void *obj, const char *name, const char *val, int search_flags)=0;
virtual AVFifoBuffer *av_fifo_alloc(unsigned int size) = 0;
virtual void av_fifo_free(AVFifoBuffer *f) = 0;
virtual void av_fifo_reset(AVFifoBuffer *f) = 0;
virtual int av_fifo_size(AVFifoBuffer *f) = 0;
virtual int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void (*func)(void*, void*, int)) = 0;
virtual int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void*, void*, int)) = 0;
virtual char *av_strdup(const char *s)=0;
virtual int av_get_bytes_per_sample(enum AVSampleFormat p1) = 0;
virtual AVDictionaryEntry *av_dict_get(AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags) = 0;
virtual int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)=0;
virtual int av_samples_get_buffer_size (int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align) = 0;
virtual int64_t av_get_default_channel_layout(int nb_channels)=0;
};
#if defined (USE_EXTERNAL_FFMPEG) || (defined TARGET_DARWIN)
// Use direct layer
class DllAvUtilBase : public DllDynamic, DllAvUtilInterface
{
public:
virtual ~DllAvUtilBase() {}
virtual void av_log_set_callback(void (*foo)(void*, int, const char*, va_list)) { ::av_log_set_callback(foo); }
virtual void *av_malloc(unsigned int size) { return ::av_malloc(size); }
virtual void *av_mallocz(unsigned int size) { return ::av_mallocz(size); }
virtual void *av_realloc(void *ptr, unsigned int size) { return ::av_realloc(ptr, size); }
virtual void av_free(void *ptr) { ::av_free(ptr); }
virtual void av_freep(void *ptr) { ::av_freep(ptr); }
virtual int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding d) { return ::av_rescale_rnd(a, b, c, d); }
virtual int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) { return ::av_rescale_q(a, bq, cq); }
virtual int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size) { return ::av_crc_init(ctx, le, bits, poly, ctx_size); }
virtual const AVCRC* av_crc_get_table(AVCRCId crc_id) { return ::av_crc_get_table(crc_id); }
virtual uint32_t av_crc(const AVCRC *ctx, uint32_t crc, const uint8_t *buffer, size_t length) { return ::av_crc(ctx, crc, buffer, length); }
virtual int av_opt_set(void *obj, const char *name, const char *val, int search_flags) { return ::av_opt_set(obj, name, val, search_flags); }
virtual AVFifoBuffer *av_fifo_alloc(unsigned int size) {return ::av_fifo_alloc(size); }
virtual void av_fifo_free(AVFifoBuffer *f) { ::av_fifo_free(f); }
virtual void av_fifo_reset(AVFifoBuffer *f) { ::av_fifo_reset(f); }
virtual int av_fifo_size(AVFifoBuffer *f) { return ::av_fifo_size(f); }
virtual int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void (*func)(void*, void*, int))
{ return ::av_fifo_generic_read(f, dest, buf_size, func); }
virtual int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void*, void*, int))
{ return ::av_fifo_generic_write(f, src, size, func); }
virtual char *av_strdup(const char *s) { return ::av_strdup(s); }
virtual int av_get_bytes_per_sample(enum AVSampleFormat p1)
{ return ::av_get_bytes_per_sample(p1); }
virtual AVDictionaryEntry *av_dict_get(AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags){ return ::av_dict_get(m, key, prev, flags); }
virtual int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags) { return ::av_dict_set(pm, key, value, flags); }
virtual int av_samples_get_buffer_size (int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)
{ return ::av_samples_get_buffer_size(linesize, nb_channels, nb_samples, sample_fmt, align); }
virtual int64_t av_get_default_channel_layout(int nb_channels) { return ::av_get_default_channel_layout(nb_channels); }
// DLL faking.
virtual bool ResolveExports() { return true; }
virtual bool Load() {
CLog::Log(LOGDEBUG, "DllAvUtilBase: Using libavutil system library");
return true;
}
virtual void Unload() {}
};
#else
class DllAvUtilBase : public DllDynamic, DllAvUtilInterface
{
DECLARE_DLL_WRAPPER(DllAvUtilBase, DLL_PATH_LIBAVUTIL)
LOAD_SYMBOLS()
DEFINE_METHOD1(void, av_log_set_callback, (void (*p1)(void*, int, const char*, va_list)))
DEFINE_METHOD1(void*, av_malloc, (unsigned int p1))
DEFINE_METHOD1(void*, av_mallocz, (unsigned int p1))
DEFINE_METHOD2(void*, av_realloc, (void *p1, unsigned int p2))
DEFINE_METHOD1(void, av_free, (void *p1))
DEFINE_METHOD1(void, av_freep, (void *p1))
DEFINE_METHOD4(int64_t, av_rescale_rnd, (int64_t p1, int64_t p2, int64_t p3, enum AVRounding p4));
DEFINE_METHOD3(int64_t, av_rescale_q, (int64_t p1, AVRational p2, AVRational p3));
DEFINE_METHOD1(const AVCRC*, av_crc_get_table, (AVCRCId p1))
DEFINE_METHOD5(int, av_crc_init, (AVCRC *p1, int p2, int p3, uint32_t p4, int p5));
DEFINE_METHOD4(uint32_t, av_crc, (const AVCRC *p1, uint32_t p2, const uint8_t *p3, size_t p4));
DEFINE_METHOD4(int, av_opt_set, (void *p1, const char *p2, const char *p3, int p4));
DEFINE_METHOD1(AVFifoBuffer*, av_fifo_alloc, (unsigned int p1))
DEFINE_METHOD1(void, av_fifo_free, (AVFifoBuffer *p1))
DEFINE_METHOD1(void, av_fifo_reset, (AVFifoBuffer *p1))
DEFINE_METHOD1(int, av_fifo_size, (AVFifoBuffer *p1))
DEFINE_METHOD4(int, av_fifo_generic_read, (AVFifoBuffer *p1, void *p2, int p3, void (*p4)(void*, void*, int)))
DEFINE_METHOD4(int, av_fifo_generic_write, (AVFifoBuffer *p1, void *p2, int p3, int (*p4)(void*, void*, int)))
DEFINE_METHOD1(char*, av_strdup, (const char *p1))
DEFINE_METHOD1(int, av_get_bytes_per_sample, (enum AVSampleFormat p1))
DEFINE_METHOD4(AVDictionaryEntry *, av_dict_get, (AVDictionary *p1, const char *p2, const AVDictionaryEntry *p3, int p4))
DEFINE_METHOD4(int, av_dict_set, (AVDictionary **p1, const char *p2, const char *p3, int p4));
DEFINE_METHOD5(int, av_samples_get_buffer_size, (int *p1, int p2, int p3, enum AVSampleFormat p4, int p5))
DEFINE_METHOD1(int64_t, av_get_default_channel_layout, (int p1))
public:
BEGIN_METHOD_RESOLVE()
RESOLVE_METHOD(av_log_set_callback)
RESOLVE_METHOD(av_malloc)
RESOLVE_METHOD(av_mallocz)
RESOLVE_METHOD(av_realloc)
RESOLVE_METHOD(av_free)
RESOLVE_METHOD(av_freep)
RESOLVE_METHOD(av_rescale_rnd)
RESOLVE_METHOD(av_rescale_q)
RESOLVE_METHOD(av_crc_init)
RESOLVE_METHOD(av_crc_get_table)
RESOLVE_METHOD(av_crc)
RESOLVE_METHOD(av_opt_set)
RESOLVE_METHOD(av_fifo_alloc)
RESOLVE_METHOD(av_fifo_free)
RESOLVE_METHOD(av_fifo_reset)
RESOLVE_METHOD(av_fifo_size)
RESOLVE_METHOD(av_fifo_generic_read)
RESOLVE_METHOD(av_fifo_generic_write)
RESOLVE_METHOD(av_strdup)
RESOLVE_METHOD(av_get_bytes_per_sample)
RESOLVE_METHOD(av_dict_get)
RESOLVE_METHOD(av_dict_set)
RESOLVE_METHOD(av_samples_get_buffer_size)
RESOLVE_METHOD(av_get_default_channel_layout)
END_METHOD_RESOLVE()
};
#endif
class DllAvUtil : public DllAvUtilBase
{
public:
virtual bool Load()
{
if( DllAvUtilBase::Load() )
{
DllAvUtilBase::av_log_set_callback(ff_avutil_log);
return true;
}
return false;
}
};