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Diffstat (limited to 'ffms2/include/ffmscompat.h')
| -rw-r--r-- | ffms2/include/ffmscompat.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/ffms2/include/ffmscompat.h b/ffms2/include/ffmscompat.h new file mode 100644 index 0000000..c43186e --- /dev/null +++ b/ffms2/include/ffmscompat.h @@ -0,0 +1,104 @@ +// Copyright (c) 2007-2011 Fredrik Mellbin +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef FFMSCOMPAT_H +#define FFMSCOMPAT_H + +// Defaults to libav compatibility, uncomment (when building with msvc) to force ffmpeg compatibility. +//#define FFMS_USE_FFMPEG_COMPAT + +// Attempt to auto-detect whether or not we are using ffmpeg. Newer versions of ffmpeg have their micro versions 100+ +#if LIBAVFORMAT_VERSION_MICRO > 99 || LIBAVUTIL_VERSION_MICRO > 99 || LIBAVCODEC_VERSION_MICRO > 99 || LIBSWSCALE_VERSION_MICRO > 99 +# ifndef FFMS_USE_FFMPEG_COMPAT +# define FFMS_USE_FFMPEG_COMPAT +# endif +#endif + +// Helper to handle checking for different versions in libav and ffmpeg +// First version is required libav versio, second is required ffmpeg version +#ifdef FFMS_USE_FFMPEG_COMPAT +# define VERSION_CHECK(LIB, cmp, u1, u2, u3, major, minor, micro) ((LIB) cmp (AV_VERSION_INT(major, minor, micro))) +#else +# define VERSION_CHECK(LIB, cmp, major, minor, micro, u1, u2, u3) ((LIB) cmp (AV_VERSION_INT(major, minor, micro))) +#endif + +#if defined(_WIN32) && !defined(__MINGW64_VERSION_MAJOR) +# define snprintf _snprintf +# ifdef __MINGW32__ +# define fseeko fseeko64 +# define ftello ftello64 +# else +# define fseeko _fseeki64 +# define ftello _ftelli64 +# endif +#endif + +// Compatibility with older/newer ffmpegs +#ifdef LIBAVFORMAT_VERSION_INT +# if VERSION_CHECK(LIBAVFORMAT_VERSION_INT, <, 53, 17, 0, 53, 25, 0) +# define avformat_close_input(c) av_close_input_file(*c) +# endif +# if (LIBAVFORMAT_VERSION_INT) < (AV_VERSION_INT(54,2,0)) +# define AV_DISPOSITION_ATTACHED_PIC 0xBEEFFACE +# endif +#endif + +#ifdef LIBAVCODEC_VERSION_INT +# undef SampleFormat +# define FFMS_CALCULATE_DELAY (CodecContext->has_b_frames + (CodecContext->thread_count - 1)) +# if VERSION_CHECK(LIBAVCODEC_VERSION_INT, <, 54, 25, 0, 54, 51, 100) +# define FFMS_ID(x) (CODEC_ID_##x) +# define FFMS_CodecID CodecID +# else +# define FFMS_ID(x) (AV_CODEC_ID_##x) +# define FFMS_CodecID AVCodecID +# undef CodecID +# endif +# if VERSION_CHECK(LIBAVCODEC_VERSION_INT, <, 54, 28, 0, 54, 59, 100) +static void avcodec_free_frame(AVFrame **frame) { av_freep(frame); } +# endif +#endif + +#ifdef LIBAVUTIL_VERSION_INT +# if VERSION_CHECK(LIBAVUTIL_VERSION_INT, <, 51, 27, 0, 51, 46, 100) +# define av_get_packed_sample_fmt(fmt) (fmt < AV_SAMPLE_FMT_U8P ? fmt : fmt - (AV_SAMPLE_FMT_U8P - AV_SAMPLE_FMT_U8)) +# endif +# if VERSION_CHECK(LIBAVUTIL_VERSION_INT, <, 51, 44, 0, 51, 76, 100) +# include <libavutil/pixdesc.h> + +# if VERSION_CHECK(LIBAVUTIL_VERSION_INT, <, 51, 42, 0, 51, 74, 100) +# define AVPixelFormat PixelFormat +# define AV_PIX_FMT_NB PIX_FMT_NB +# endif + +static const AVPixFmtDescriptor *av_pix_fmt_desc_get(AVPixelFormat pix_fmt) { + if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB) + return NULL; + + return &av_pix_fmt_descriptors[pix_fmt]; +} + +# endif +# if VERSION_CHECK(LIBAVUTIL_VERSION_INT, <, 52, 9, 0, 52, 20, 100) +# define av_frame_alloc avcodec_alloc_frame +# endif +#endif + +#endif // FFMSCOMPAT_H |