contrib/brl/bbas/vidl2/vidl2_ffmpeg_istream.cxx

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// This is brl/bbas/vidl2/vidl2_ffmpeg_istream.cxx

#include <vidl2/vidl2_config.h>

#if VIDL2_HAS_FFMPEG

#include "vidl2_ffmpeg_ostream.h"

// The ffmpeg API keeps changing, so we use different implementations
// depending on which version of ffmpeg we have.

#include "vidl2_ffmpeg_istream.h"

extern "C" {
// some versions of FFMPEG require this definition before including 
// the headers for C++ compatibility
#define __STDC_CONSTANT_MACROS
#if FFMPEG_IN_SEVERAL_DIRECTORIES
#include <libavformat/avformat.h>
#else
#include <ffmpeg/avformat.h>
#endif
}

#if LIBAVFORMAT_BUILD < ((52<<16)+(2<<8)+0)  // before ver 52.2.0
# include "vidl2_ffmpeg_istream_v1.txx"
#else
# include "vidl2_ffmpeg_istream_v2.txx"
#endif

#else // VIDL2_HAS_FFMPEG

# include "vidl2_ffmpeg_istream_stub.txx"

#endif // VIDL2_HAS_FFMPEG

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