135 lines
4.0 KiB
C++
135 lines
4.0 KiB
C++
/*
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* ZoneMinder FFMPEG Interface, $Date$, $Revision$
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* Copyright (C) 2001-2008 Philip Coombes
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef ZM_FFMPEG_H
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#define ZM_FFMPEG_H
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#include <stdint.h>
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#include "zm.h"
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#include "zm_image.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// AVUTIL
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#if HAVE_LIBAVUTIL_AVUTIL_H
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#include <libavutil/avutil.h>
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#include <libavutil/base64.h>
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#include <libavutil/mathematics.h>
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#elif HAVE_FFMPEG_AVUTIL_H
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#include <ffmpeg/avutil.h>
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#include <ffmpeg/base64.h>
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#include <ffmpeg/mathematics.h>
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#endif
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// AVCODEC
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#if HAVE_LIBAVCODEC_AVCODEC_H
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#include <libavcodec/avcodec.h>
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#elif HAVE_FFMPEG_AVCODEC_H
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#include <ffmpeg/avcodec.h>
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#endif
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// AVFORMAT
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#if HAVE_LIBAVFORMAT_AVFORMAT_H
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#include <libavformat/avformat.h>
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#elif HAVE_FFMPEG_AVFORMAT_H
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#include <ffmpeg/avformat.h>
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#endif
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// AVDEVICE
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#if HAVE_LIBAVDEVICE_AVDEVICE_H
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#include <libavdevice/avdevice.h>
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#elif HAVE_FFMPEG_AVDEVICE_H
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#include <ffmpeg/avdevice.h>
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#endif
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// SWSCALE
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#if HAVE_LIBSWSCALE_SWSCALE_H
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#include <libswscale/swscale.h>
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#elif HAVE_FFMPEG_SWSCALE_H
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#include <ffmpeg/swscale.h>
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#endif
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#ifdef __cplusplus
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}
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#endif
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#if ( HAVE_LIBAVUTIL_AVUTIL_H || HAVE_LIBAVCODEC_AVCODEC_H || HAVE_LIBAVFORMAT_AVFORMAT_H || HAVE_LIBAVDEVICE_AVDEVICE_H )
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#if LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(53, 4, 0)
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#if defined(AVIO_WRONLY)
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#define AVIO_FLAG_WRITE AVIO_WRONLY
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#else
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#define AVIO_FLAG_WRITE URL_WRONLY
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#endif
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#endif
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#if FFMPEG_VERSION_INT == 0x000408
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#define ZM_FFMPEG_048 1
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#elif FFMPEG_VERSION_INT == 0x000409
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#if LIBAVCODEC_VERSION_INT < ((50<<16)+(0<<8)+0)
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#define ZM_FFMPEG_049 1
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#else // LIBAVCODEC_VERSION_INT
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#define ZM_FFMPEG_SVN 1
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#endif // LIBAVCODEC_VERSION_INT
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#else // FFMPEG_VERSION_INT
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#define ZM_FFMPEG_SVN 1
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#endif // FFMPEG_VERSION_INT
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/* Fix for not having SWS_CPU_CAPS_SSE2 defined */
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#ifndef SWS_CPU_CAPS_SSE2
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#define SWS_CPU_CAPS_SSE2 0x02000000
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#endif
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#if HAVE_LIBAVUTIL
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enum PixelFormat GetFFMPEGPixelFormat(unsigned int p_colours, unsigned p_subpixelorder);
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#endif // HAVE_LIBAVUTIL
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/* SWScale wrapper class to make our life easier and reduce code reuse */
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#if HAVE_LIBSWSCALE && HAVE_LIBAVUTIL
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class SWScale {
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public:
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SWScale();
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~SWScale();
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int SetDefaults(enum PixelFormat in_pf, enum PixelFormat out_pf, unsigned int width, unsigned int height);
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int ConvertDefaults(const Image* img, uint8_t* out_buffer, const size_t out_buffer_size);
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int ConvertDefaults(const uint8_t* in_buffer, const size_t in_buffer_size, uint8_t* out_buffer, const size_t out_buffer_size);
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int Convert(const Image* img, uint8_t* out_buffer, const size_t out_buffer_size, enum PixelFormat in_pf, enum PixelFormat out_pf, unsigned int width, unsigned int height);
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int Convert(const uint8_t* in_buffer, const size_t in_buffer_size, uint8_t* out_buffer, const size_t out_buffer_size, enum PixelFormat in_pf, enum PixelFormat out_pf, unsigned int width, unsigned int height);
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protected:
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bool gotdefaults;
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struct SwsContext* swscale_ctx;
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AVFrame* input_avframe;
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AVFrame* output_avframe;
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enum PixelFormat default_input_pf;
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enum PixelFormat default_output_pf;
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unsigned int default_width;
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unsigned int default_height;
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};
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#endif // HAVE_LIBSWSCALE && HAVE_LIBAVUTIL
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#endif // ( HAVE_LIBAVUTIL_AVUTIL_H || HAVE_LIBAVCODEC_AVCODEC_H || HAVE_LIBAVFORMAT_AVFORMAT_H || HAVE_LIBAVDEVICE_AVDEVICE_H )
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#endif // ZM_FFMPEG_H
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