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DllAvCodec.h
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DllAvCodec.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"
#include "DllAvUtil.h"
#include "utils/log.h"
extern "C" {
#ifndef HAVE_MMX
#define HAVE_MMX
#endif
#ifndef __STDC_CONSTANT_MACROS
#define __STDC_CONSTANT_MACROS
#endif
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
#ifndef __GNUC__
#pragma warning(disable:4244)
#endif
#if (defined USE_EXTERNAL_FFMPEG)
#if (defined HAVE_LIBAVCODEC_AVCODEC_H)
#include <libavcodec/avcodec.h>
#if (defined HAVE_LIBAVCODEC_OPT_H)
#include <libavcodec/opt.h>
#endif
#if (defined AVPACKET_IN_AVFORMAT)
#include <libavformat/avformat.h>
#endif
#elif (defined HAVE_FFMPEG_AVCODEC_H)
#include <ffmpeg/avcodec.h>
#include <ffmpeg/opt.h>
#if (defined AVPACKET_IN_AVFORMAT)
#include <ffmpeg/avformat.h>
#endif
#endif
#else
#include "libavcodec/avcodec.h"
#endif
}
#include "threads/SingleLock.h"
class DllAvCodecInterface
{
public:
virtual ~DllAvCodecInterface() {}
virtual void avcodec_register_all(void)=0;
virtual void avcodec_flush_buffers(AVCodecContext *avctx)=0;
virtual int avcodec_open2_dont_call(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)=0;
virtual AVCodec *avcodec_find_decoder(enum CodecID id)=0;
virtual AVCodec *avcodec_find_encoder(enum CodecID id)=0;
virtual int avcodec_close_dont_call(AVCodecContext *avctx)=0;
virtual AVFrame *avcodec_alloc_frame(void)=0;
virtual int avpicture_fill(AVPicture *picture, uint8_t *ptr, PixelFormat pix_fmt, int width, int height)=0;
virtual int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, AVPacket *avpkt)=0;
virtual int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, AVPacket *avpkt)=0;
virtual int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt)=0;
virtual int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, const short *samples)=0;
virtual int avpicture_get_size(PixelFormat pix_fmt, int width, int height)=0;
virtual AVCodecContext *avcodec_alloc_context3(AVCodec *codec)=0;
virtual void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)=0;
virtual void avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec)=0;
virtual AVCodecParserContext *av_parser_init(int codec_id)=0;
virtual int av_parser_parse2(AVCodecParserContext *s,AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size,
int64_t pts, int64_t dts, int64_t pos)=0;
virtual void av_parser_close(AVCodecParserContext *s)=0;
virtual AVBitStreamFilterContext *av_bitstream_filter_init(const char *name)=0;
virtual int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
AVCodecContext *avctx, const char *args,
uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size, int keyframe) =0;
virtual void av_bitstream_filter_close(AVBitStreamFilterContext *bsfc) =0;
virtual void avpicture_free(AVPicture *picture)=0;
virtual void av_free_packet(AVPacket *pkt)=0;
virtual int avpicture_alloc(AVPicture *picture, PixelFormat pix_fmt, int width, int height)=0;
virtual enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt)=0;
virtual int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic)=0;
virtual void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)=0;
virtual AVCodec *av_codec_next(AVCodec *c)=0;
virtual int av_dup_packet(AVPacket *pkt)=0;
virtual void av_init_packet(AVPacket *pkt)=0;
};
#if (defined USE_EXTERNAL_FFMPEG) || (defined TARGET_DARWIN)
// Use direct layer
class DllAvCodec : public DllDynamic, DllAvCodecInterface
{
public:
static CCriticalSection m_critSection;
virtual ~DllAvCodec() {}
virtual void avcodec_register_all()
{
CSingleLock lock(DllAvCodec::m_critSection);
::avcodec_register_all();
}
virtual void avcodec_flush_buffers(AVCodecContext *avctx) { ::avcodec_flush_buffers(avctx); }
virtual int avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
{
CSingleLock lock(DllAvCodec::m_critSection);
return ::avcodec_open2(avctx, codec, options);
}
virtual int avcodec_open2_dont_call(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options) { *(int *)0x0 = 0; return 0; }
virtual int avcodec_close_dont_call(AVCodecContext *avctx) { *(int *)0x0 = 0; return 0; }
virtual AVCodec *avcodec_find_decoder(enum CodecID id) { return ::avcodec_find_decoder(id); }
virtual AVCodec *avcodec_find_encoder(enum CodecID id) { return ::avcodec_find_encoder(id); }
virtual int avcodec_close(AVCodecContext *avctx)
{
CSingleLock lock(DllAvCodec::m_critSection);
return ::avcodec_close(avctx);
}
virtual AVFrame *avcodec_alloc_frame() { return ::avcodec_alloc_frame(); }
virtual int avpicture_fill(AVPicture *picture, uint8_t *ptr, PixelFormat pix_fmt, int width, int height) { return ::avpicture_fill(picture, ptr, pix_fmt, width, height); }
virtual int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, AVPacket *avpkt) { return ::avcodec_decode_video2(avctx, picture, got_picture_ptr, avpkt); }
virtual int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, AVPacket *avpkt) { return ::avcodec_decode_audio4(avctx, frame, got_frame_ptr, avpkt); }
virtual int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt) { return ::avcodec_decode_subtitle2(avctx, sub, got_sub_ptr, avpkt); }
virtual int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, const short *samples) { return ::avcodec_encode_audio(avctx, buf, buf_size, samples); }
virtual int avpicture_get_size(PixelFormat pix_fmt, int width, int height) { return ::avpicture_get_size(pix_fmt, width, height); }
virtual AVCodecContext *avcodec_alloc_context3(AVCodec *codec) { return ::avcodec_alloc_context3(codec); }
virtual void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) { ::avcodec_string(buf, buf_size, enc, encode); }
virtual void avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec) { ::avcodec_get_context_defaults3(s, codec); }
virtual AVCodecParserContext *av_parser_init(int codec_id) { return ::av_parser_init(codec_id); }
virtual int av_parser_parse2(AVCodecParserContext *s,AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size,
int64_t pts, int64_t dts, int64_t pos)
{
return ::av_parser_parse2(s, avctx, poutbuf, poutbuf_size, buf, buf_size, pts, dts, pos);
}
virtual void av_parser_close(AVCodecParserContext *s) { ::av_parser_close(s); }
virtual AVBitStreamFilterContext *av_bitstream_filter_init(const char *name) { return ::av_bitstream_filter_init(name); }
virtual int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
AVCodecContext *avctx, const char *args,
uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size, int keyframe) { return ::av_bitstream_filter_filter(bsfc, avctx, args, poutbuf, poutbuf_size, buf, buf_size, keyframe); }
virtual void av_bitstream_filter_close(AVBitStreamFilterContext *bsfc) { ::av_bitstream_filter_close(bsfc); }
virtual void avpicture_free(AVPicture *picture) { ::avpicture_free(picture); }
virtual void av_free_packet(AVPacket *pkt) { ::av_free_packet(pkt); }
virtual int avpicture_alloc(AVPicture *picture, PixelFormat pix_fmt, int width, int height) { return ::avpicture_alloc(picture, pix_fmt, width, height); }
virtual int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic) { return ::avcodec_default_get_buffer(s, pic); }
virtual void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic) { ::avcodec_default_release_buffer(s, pic); }
virtual enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt) { return ::avcodec_default_get_format(s, fmt); }
virtual AVCodec *av_codec_next(AVCodec *c) { return ::av_codec_next(c); }
virtual int av_dup_packet(AVPacket *pkt) { return ::av_dup_packet(pkt); }
virtual void av_init_packet(AVPacket *pkt) { return ::av_init_packet(pkt); }
// DLL faking.
virtual bool ResolveExports() { return true; }
virtual bool Load() {
CLog::Log(LOGDEBUG, "DllAvCodec: Using libavcodec system library");
return true;
}
virtual void Unload() {}
};
#else
class DllAvCodec : public DllDynamic, DllAvCodecInterface
{
DECLARE_DLL_WRAPPER(DllAvCodec, DLL_PATH_LIBAVCODEC)
DEFINE_FUNC_ALIGNED1(void, __cdecl, avcodec_flush_buffers, AVCodecContext*)
DEFINE_FUNC_ALIGNED3(int, __cdecl, avcodec_open2_dont_call, AVCodecContext*, AVCodec *, AVDictionary **)
DEFINE_FUNC_ALIGNED4(int, __cdecl, avcodec_decode_video2, AVCodecContext*, AVFrame*, int*, AVPacket*)
DEFINE_FUNC_ALIGNED4(int, __cdecl, avcodec_decode_audio4, AVCodecContext*, AVFrame*, int*, AVPacket*)
DEFINE_FUNC_ALIGNED4(int, __cdecl, avcodec_decode_subtitle2, AVCodecContext*, AVSubtitle*, int*, AVPacket*)
DEFINE_FUNC_ALIGNED4(int, __cdecl, avcodec_encode_audio, AVCodecContext*, uint8_t*, int, const short*)
DEFINE_FUNC_ALIGNED1(AVCodecContext*, __cdecl, avcodec_alloc_context3, AVCodec *)
DEFINE_FUNC_ALIGNED1(AVCodecParserContext*, __cdecl, av_parser_init, int)
DEFINE_FUNC_ALIGNED9(int, __cdecl, av_parser_parse2, AVCodecParserContext*,AVCodecContext*, uint8_t**, int*, const uint8_t*, int, int64_t, int64_t, int64_t)
DEFINE_METHOD1(int, av_dup_packet, (AVPacket *p1))
DEFINE_METHOD1(void, av_init_packet, (AVPacket *p1))
LOAD_SYMBOLS();
DEFINE_METHOD0(void, avcodec_register_all_dont_call)
DEFINE_METHOD1(AVCodec*, avcodec_find_decoder, (enum CodecID p1))
DEFINE_METHOD1(AVCodec*, avcodec_find_encoder, (enum CodecID p1))
DEFINE_METHOD1(int, avcodec_close_dont_call, (AVCodecContext *p1))
DEFINE_METHOD0(AVFrame*, avcodec_alloc_frame)
DEFINE_METHOD5(int, avpicture_fill, (AVPicture *p1, uint8_t *p2, PixelFormat p3, int p4, int p5))
DEFINE_METHOD3(int, avpicture_get_size, (PixelFormat p1, int p2, int p3))
DEFINE_METHOD4(void, avcodec_string, (char *p1, int p2, AVCodecContext *p3, int p4))
DEFINE_METHOD2(void, avcodec_get_context_defaults3, (AVCodecContext *p1, AVCodec *p2))
DEFINE_METHOD1(void, av_parser_close, (AVCodecParserContext *p1))
DEFINE_METHOD1(void, avpicture_free, (AVPicture *p1))
DEFINE_METHOD1(AVBitStreamFilterContext*, av_bitstream_filter_init, (const char *p1))
DEFINE_METHOD8(int, av_bitstream_filter_filter, (AVBitStreamFilterContext* p1, AVCodecContext* p2, const char* p3, uint8_t** p4, int* p5, const uint8_t* p6, int p7, int p8))
DEFINE_METHOD1(void, av_bitstream_filter_close, (AVBitStreamFilterContext *p1))
DEFINE_METHOD1(void, av_free_packet, (AVPacket *p1))
DEFINE_METHOD4(int, avpicture_alloc, (AVPicture *p1, PixelFormat p2, int p3, int p4))
DEFINE_METHOD2(int, avcodec_default_get_buffer, (AVCodecContext *p1, AVFrame *p2))
DEFINE_METHOD2(void, avcodec_default_release_buffer, (AVCodecContext *p1, AVFrame *p2))
DEFINE_METHOD2(enum PixelFormat, avcodec_default_get_format, (struct AVCodecContext *p1, const enum PixelFormat *p2))
DEFINE_METHOD1(AVCodec*, av_codec_next, (AVCodec *p1))
BEGIN_METHOD_RESOLVE()
RESOLVE_METHOD(avcodec_flush_buffers)
RESOLVE_METHOD_RENAME(avcodec_open2,avcodec_open2_dont_call)
RESOLVE_METHOD_RENAME(avcodec_close,avcodec_close_dont_call)
RESOLVE_METHOD(avcodec_find_decoder)
RESOLVE_METHOD(avcodec_find_encoder)
RESOLVE_METHOD(avcodec_alloc_frame)
RESOLVE_METHOD_RENAME(avcodec_register_all, avcodec_register_all_dont_call)
RESOLVE_METHOD(avpicture_fill)
RESOLVE_METHOD(avcodec_decode_video2)
RESOLVE_METHOD(avcodec_decode_audio4)
RESOLVE_METHOD(avcodec_decode_subtitle2)
RESOLVE_METHOD(avcodec_encode_audio)
RESOLVE_METHOD(avpicture_get_size)
RESOLVE_METHOD(avcodec_alloc_context3)
RESOLVE_METHOD(avcodec_string)
RESOLVE_METHOD(avcodec_get_context_defaults3)
RESOLVE_METHOD(av_parser_init)
RESOLVE_METHOD(av_parser_parse2)
RESOLVE_METHOD(av_parser_close)
RESOLVE_METHOD(av_bitstream_filter_init)
RESOLVE_METHOD(av_bitstream_filter_filter)
RESOLVE_METHOD(av_bitstream_filter_close)
RESOLVE_METHOD(avpicture_free)
RESOLVE_METHOD(avpicture_alloc)
RESOLVE_METHOD(av_free_packet)
RESOLVE_METHOD(avcodec_default_get_buffer)
RESOLVE_METHOD(avcodec_default_release_buffer)
RESOLVE_METHOD(avcodec_default_get_format)
RESOLVE_METHOD(av_codec_next)
RESOLVE_METHOD(av_dup_packet)
RESOLVE_METHOD(av_init_packet)
END_METHOD_RESOLVE()
/* dependencies of libavcodec */
DllAvUtil m_dllAvUtil;
// DllAvUtil loaded implicitely by m_dllAvCore
public:
static CCriticalSection m_critSection;
int avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
{
CSingleLock lock(DllAvCodec::m_critSection);
return avcodec_open2_dont_call(avctx,codec, options);
}
int avcodec_close(AVCodecContext *avctx)
{
CSingleLock lock(DllAvCodec::m_critSection);
return avcodec_close_dont_call(avctx);
}
void avcodec_register_all()
{
CSingleLock lock(DllAvCodec::m_critSection);
avcodec_register_all_dont_call();
}
virtual bool Load()
{
if (!m_dllAvUtil.Load())
return false;
return DllDynamic::Load();
}
};
#endif