diff options
Diffstat (limited to 'mediaplugin/src/lib/ffmpeg/avutil.pas')
| -rw-r--r-- | mediaplugin/src/lib/ffmpeg/avutil.pas | 504 |
1 files changed, 0 insertions, 504 deletions
diff --git a/mediaplugin/src/lib/ffmpeg/avutil.pas b/mediaplugin/src/lib/ffmpeg/avutil.pas deleted file mode 100644 index 2f8c79f7..00000000 --- a/mediaplugin/src/lib/ffmpeg/avutil.pas +++ /dev/null @@ -1,504 +0,0 @@ -(* - * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * This is a part of Pascal porting of ffmpeg. - * - Originally by Victor Zinetz for Delphi and Free Pascal on Windows. - * - For Mac OS X, some modifications were made by The Creative CAT, denoted as CAT - * in the source codes. - * - Changes and updates by the UltraStar Deluxe Team - * - * Conversions of - * - * libavutil/avutil.h: - * Min. version: 49.0.1, revision 6577, Sat Oct 7 15:30:46 2006 UTC - * Max. version: 50.24.0, revision 24814, Wed Aug 25 05:00:00 2010 CET - * - * libavutil/mem.h: - * revision 23904, Wed Jul 21 01:00:00 2010 CET - * - * libavutil/log.h: - * revision 23972, Wed Jul 21 01:00:00 2010 CET - * - * include/keep pixfmt.h (change in revision 50.01.0) - * Maybe, the pixelformats are not needed, but it has not been checked. - * log.h is only partial. - * - *) - -unit avutil; - -{$IFDEF FPC} - {$MODE DELPHI} - {$PACKENUM 4} (* use 4-byte enums *) - {$PACKRECORDS C} (* C/C++-compatible record packing *) -{$ELSE} - {$MINENUMSIZE 4} (* use 4-byte enums *) -{$ENDIF} - -{$IFDEF DARWIN} - {$linklib libavutil} -{$ENDIF} - -interface - -uses - ctypes, - mathematics, - rational, - {$IFDEF UNIX} - BaseUnix, - {$ENDIF} - UConfig; - -const - (* - * IMPORTANT: The official FFmpeg C headers change very quickly. Often some - * of the data structures are changed so that they become incompatible with - * older header files. The Pascal headers have to be adjusted to those changes, - * otherwise the application might crash randomly or strange bugs (not - * necessarily related to video or audio due to buffer overflows etc.) might - * occur. - * - * In the past users reported problems with USDX that took hours to fix and - * the problem was an unsupported version of FFmpeg. So we decided to disable - * support for future versions of FFmpeg until the headers are revised by us - * for that version as they otherwise most probably will break USDX. - * - * If the headers do not yet support your FFmpeg version you may want to - * adjust the max. version numbers manually but please note: it may work but - * in many cases it does not. The USDX team does NOT PROVIDE ANY SUPPORT - * for the game if the MAX. VERSION WAS CHANGED. - * - * The only safe way to support new versions of FFmpeg is to add the changes - * of the FFmpeg git repository C headers to the Pascal headers. - * You can accelerate this process by posting a patch with the git changes - * translated to Pascal to our bug tracker (please join our IRC chat before - * you start working on it). Simply adjusting the max. versions is NOT a valid - * fix. - *) - (* Max. supported version by this header *) - LIBAVUTIL_MAX_VERSION_MAJOR = 50; - LIBAVUTIL_MAX_VERSION_MINOR = 24; - LIBAVUTIL_MAX_VERSION_RELEASE = 0; - LIBAVUTIL_MAX_VERSION = (LIBAVUTIL_MAX_VERSION_MAJOR * VERSION_MAJOR) + - (LIBAVUTIL_MAX_VERSION_MINOR * VERSION_MINOR) + - (LIBAVUTIL_MAX_VERSION_RELEASE * VERSION_RELEASE); - - (* Min. supported version by this header *) - LIBAVUTIL_MIN_VERSION_MAJOR = 49; - LIBAVUTIL_MIN_VERSION_MINOR = 0; - LIBAVUTIL_MIN_VERSION_RELEASE = 1; - LIBAVUTIL_MIN_VERSION = (LIBAVUTIL_MIN_VERSION_MAJOR * VERSION_MAJOR) + - (LIBAVUTIL_MIN_VERSION_MINOR * VERSION_MINOR) + - (LIBAVUTIL_MIN_VERSION_RELEASE * VERSION_RELEASE); - -(* Check if linked versions are supported *) -{$IF (LIBAVUTIL_VERSION < LIBAVUTIL_MIN_VERSION)} - {$MESSAGE Error 'Linked version of libavutil is too old!'} -{$IFEND} - -{$IF (LIBAVUTIL_VERSION > LIBAVUTIL_MAX_VERSION)} - {$MESSAGE Error 'Linked version of libavutil is not yet supported!'} -{$IFEND} - -{$IF LIBAVUTIL_VERSION >= 49008000} // 49.8.0 -(** - * Return the LIBAVUTIL_VERSION_INT constant. - *) -function avutil_version(): cuint; - cdecl; external av__util; -{$IFEND} - -{$IF LIBAVUTIL_VERSION >= 50004000} // >= 50.4.0 -(** - * Return the libavutil build-time configuration. - *) -function avutil_configuration(): PAnsiChar; - cdecl; external av__util; - -(** - * Return the libavutil license. - *) -function avutil_license(): PAnsiChar; - cdecl; external av__util; -{$IFEND} - -{ - TAVMediaType moved to avutil in LIBAVUTIL_VERSION 50.14.0 - but moving it in the pascal headers was not really necessary - but caused problems. So, I (KMS) left it there. - -type - TAVMediaType = ( - AVMEDIA_TYPE_UNKNOWN = -1, - AVMEDIA_TYPE_VIDEO, - AVMEDIA_TYPE_AUDIO, - AVMEDIA_TYPE_DATA, - AVMEDIA_TYPE_SUBTITLE, - AVMEDIA_TYPE_ATTACHMENT, - AVMEDIA_TYPE_NB - ); -} - -{$INCLUDE error.pas} - -(* libavutil/pixfmt.h up to revision 23144, May 16 2010 *) - -type -(** - * Pixel format. Notes: - * - * PIX_FMT_RGB32 is handled in an endian-specific manner. An RGBA - * color is put together as: - * (A << 24) | (R << 16) | (G << 8) | B - * This is stored as BGRA on little-endian CPU architectures and ARGB on - * big-endian CPUs. - * - * When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized - * image data is stored in AVFrame.data[0]. The palette is transported in - * AVFrame.data[1], is 1024 bytes long (256 4-byte entries) and is - * formatted the same as in PIX_FMT_RGB32 described above (i.e., it is - * also endian-specific). Note also that the individual RGB palette - * components stored in AVFrame.data[1] should be in the range 0..255. - * This is important as many custom PAL8 video codecs that were designed - * to run on the IBM VGA graphics adapter use 6-bit palette components. - * - * For all the 8bit per pixel formats, an RGB32 palette is in data[1] like - * for pal8. This palette is filled in automatically by the function - * allocating the picture. - * - * Note, make sure that all newly added big endian formats have pix_fmt&1==1 - * and that all newly added little endian formats have pix_fmt&1==0 - * this allows simpler detection of big vs little endian. - *) - - PAVPixelFormat = ^TAVPixelFormat; - TAVPixelFormat = ( - PIX_FMT_NONE= -1, - PIX_FMT_YUV420P, ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples) - PIX_FMT_YUYV422, ///< packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr - PIX_FMT_RGB24, ///< packed RGB 8:8:8, 24bpp, RGBRGB... - PIX_FMT_BGR24, ///< packed RGB 8:8:8, 24bpp, BGRBGR... - PIX_FMT_YUV422P, ///< planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples) - PIX_FMT_YUV444P, ///< planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples) -{$IF LIBAVUTIL_VERSION <= 50001000} // 50.01.0 - PIX_FMT_RGB32, ///< packed RGB 8:8:8, 32bpp, (msb)8A 8R 8G 8B(lsb), in CPU endianness -{$IFEND} - PIX_FMT_YUV410P, ///< planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples) - PIX_FMT_YUV411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) -{$IF LIBAVUTIL_VERSION <= 50000000} // 50.00.0 - PIX_FMT_RGB565, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), in CPU endianness - PIX_FMT_RGB555, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in CPU endianness, most significant bit to 0 -{$IFEND} - PIX_FMT_GRAY8, ///< Y , 8bpp - PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb - PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb - PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette - PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG) - PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG) - PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG) - PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing - PIX_FMT_XVMC_MPEG2_IDCT, - PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1 - PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3 -{$IF LIBAVUTIL_VERSION <= 50001000} // 50.01.0 - PIX_FMT_BGR32, ///< packed RGB 8:8:8, 32bpp, (msb)8A 8B 8G 8R(lsb), in CPU endianness -{$IFEND} -{$IF LIBAVUTIL_VERSION <= 50000000} // 50.00.0 - PIX_FMT_BGR565, ///< packed RGB 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), in CPU endianness - PIX_FMT_BGR555, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), in CPU endianness, most significant bit to 1 -{$IFEND} - PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb) - PIX_FMT_BGR4, ///< packed RGB 1:2:1, bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits - PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb) - PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb) - PIX_FMT_RGB4, ///< packed RGB 1:2:1, bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits - PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb) - PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V) - PIX_FMT_NV21, ///< as above, but U and V bytes are swapped -{$IF LIBAVUTIL_VERSION <= 50001000} // 50.01.0 - PIX_FMT_RGB32_1, ///< packed RGB 8:8:8, 32bpp, (msb)8R 8G 8B 8A(lsb), in CPU endianness - PIX_FMT_BGR32_1, ///< packed RGB 8:8:8, 32bpp, (msb)8B 8G 8R 8A(lsb), in CPU endianness -{$ELSE} // 50.02.0 - PIX_FMT_ARGB, ///< packed ARGB 8:8:8:8, 32bpp, ARGBARGB... - PIX_FMT_RGBA, ///< packed RGBA 8:8:8:8, 32bpp, RGBARGBA... - PIX_FMT_ABGR, ///< packed ABGR 8:8:8:8, 32bpp, ABGRABGR... - PIX_FMT_BGRA, ///< packed BGRA 8:8:8:8, 32bpp, BGRABGRA... -{$IFEND} - PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian - PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian - PIX_FMT_YUV440P, ///< planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples) - PIX_FMT_YUVJ440P, ///< planar YUV 4:4:0 full scale (JPEG) - PIX_FMT_YUVA420P, ///< planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples) - PIX_FMT_VDPAU_H264,///< H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers - PIX_FMT_VDPAU_MPEG1,///< MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers - PIX_FMT_VDPAU_MPEG2,///< MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers - PIX_FMT_VDPAU_WMV3,///< WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers - PIX_FMT_VDPAU_VC1, ///< VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers -{$IF LIBAVUTIL_VERSION >= 49015000} // 49.15.0 - PIX_FMT_RGB48BE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big-endian - PIX_FMT_RGB48LE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as little-endian -{$IFEND} -{$IF LIBAVUTIL_VERSION >= 50001000} // 50.01.0 - PIX_FMT_RGB565BE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian - PIX_FMT_RGB565LE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian - PIX_FMT_RGB555BE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0 - PIX_FMT_RGB555LE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0 - - PIX_FMT_BGR565BE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian - PIX_FMT_BGR565LE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian - PIX_FMT_BGR555BE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1 - PIX_FMT_BGR555LE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1 - - PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers - PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers - PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers -{$IFEND} - PIX_FMT_NB ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions - ); - -const -{$ifdef WORDS_BIGENDIAN} - {$IF LIBAVUTIL_VERSION <= 50001000} // 50.01.0 - PIX_FMT_RGBA = PIX_FMT_RGB32_1; - PIX_FMT_BGRA = PIX_FMT_BGR32_1; - PIX_FMT_ARGB = PIX_FMT_RGB32; - PIX_FMT_ABGR = PIX_FMT_BGR32; - {$ELSE} // 50.02.0 - PIX_FMT_RGB32 = PIX_FMT_ARGB; - PIX_FMT_RGB32_1 = PIX_FMT_RGBA; - PIX_FMT_BGR32 = PIX_FMT_ABGR; - PIX_FMT_BGR32_1 = PIX_FMT_BGRA; - {$IFEND} - PIX_FMT_GRAY16 = PIX_FMT_GRAY16BE; - {$IF LIBAVUTIL_VERSION >= 49015000} // 49.15.0 - PIX_FMT_RGB48 = PIX_FMT_RGB48BE; - {$IFEND} - {$IF LIBAVUTIL_VERSION >= 50001000} // 50.01.0 - PIX_FMT_RGB565 = PIX_FMT_RGB565BE; - PIX_FMT_RGB555 = PIX_FMT_RGB555BE; - PIX_FMT_BGR565 = PIX_FMT_BGR565BE; - PIX_FMT_BGR555 = PIX_FMT_BGR555BE - {$IFEND} -{$else} - {$IF LIBAVUTIL_VERSION <= 50001000} // 50.01.0 - PIX_FMT_RGBA = PIX_FMT_BGR32; - PIX_FMT_BGRA = PIX_FMT_RGB32; - PIX_FMT_ARGB = PIX_FMT_BGR32_1; - PIX_FMT_ABGR = PIX_FMT_RGB32_1; - {$ELSE} // 50.02.0 - PIX_FMT_RGB32 = PIX_FMT_BGRA; - PIX_FMT_RGB32_1 = PIX_FMT_ABGR; - PIX_FMT_BGR32 = PIX_FMT_RGBA; - PIX_FMT_BGR32_1 = PIX_FMT_ARGB; - {$IFEND} - PIX_FMT_GRAY16 = PIX_FMT_GRAY16LE; - {$IF LIBAVUTIL_VERSION >= 49015000} // 49.15.0 - PIX_FMT_RGB48 = PIX_FMT_RGB48LE; - {$IFEND} - {$IF LIBAVUTIL_VERSION >= 50001000} // 50.01.0 - PIX_FMT_RGB565 = PIX_FMT_RGB565LE; - PIX_FMT_RGB555 = PIX_FMT_RGB555LE; - PIX_FMT_BGR565 = PIX_FMT_BGR565LE; - PIX_FMT_BGR555 = PIX_FMT_BGR555LE; - {$IFEND} -{$ENDIF} - -{$IF LIBAVUTIL_VERSION_MAJOR < 50} // 50.0.0 - PIX_FMT_UYVY411 = PIX_FMT_UYYVYY411; - PIX_FMT_RGBA32 = PIX_FMT_RGB32; - PIX_FMT_YUV422 = PIX_FMT_YUYV422; -{$IFEND} - -(* libavutil/common.h *) // until now MKTAG and MKBETAG is all from common.h KMS 19/5/2010 - -function MKTAG(a, b, c, d: AnsiChar): integer; -function MKBETAG(a, b, c, d: AnsiChar): integer; - -(* libavutil/mem.h *) - -(* memory handling functions *) - -(** - * Allocate a block of size bytes with alignment suitable for all - * memory accesses (including vectors if available on the CPU). - * @param size Size in bytes for the memory block to be allocated. - * @return Pointer to the allocated block, NULL if the block cannot - * be allocated. - * @see av_mallocz() - *) -function av_malloc(size: cuint): pointer; - cdecl; external av__util; {av_malloc_attrib av_alloc_size(1)} - -(** - * Allocate or reallocate a block of memory. - * If ptr is NULL and size > 0, allocate a new block. If - * size is zero, free the memory block pointed to by ptr. - * @param size Size in bytes for the memory block to be allocated or - * reallocated. - * @param ptr Pointer to a memory block already allocated with - * av_malloc(z)() or av_realloc() or NULL. - * @return Pointer to a newly reallocated block or NULL if the block - * cannot be allocated or the function is used to free the memory block. - * @see av_fast_realloc() - *) -function av_realloc(ptr: pointer; size: cuint): pointer; - cdecl; external av__util; {av_alloc_size(2)} - -(** - * Free a memory block which has been allocated with av_malloc(z)() or - * av_realloc(). - * @param ptr Pointer to the memory block which should be freed. - * @note ptr = NULL is explicitly allowed. - * @note It is recommended that you use av_freep() instead. - * @see av_freep() - *) -procedure av_free(ptr: pointer); - cdecl; external av__util; - -(** - * Allocate a block of size bytes with alignment suitable for all - * memory accesses (including vectors if available on the CPU) and - * zeroes all the bytes of the block. - * @param size Size in bytes for the memory block to be allocated. - * @return Pointer to the allocated block, NULL if it cannot be allocated. - * @see av_malloc() - *) -function av_mallocz(size: cuint): pointer; - cdecl; external av__util; {av_malloc_attrib av_alloc_size(1)} - -(** - * Duplicate the string s. - * @param s string to be duplicated. - * @return Pointer to a newly allocated string containing a - * copy of s or NULL if the string cannot be allocated. - *) -function av_strdup({const} s: PAnsiChar): PAnsiChar; - cdecl; external av__util; {av_malloc_attrib} - -(** - * Freesa memory block which has been allocated with av_malloc(z)() or - * av_realloc() and set the pointer pointing to it to NULL. - * @param ptr Pointer to the pointer to the memory block which should - * be freed. - * @see av_free() - *) -procedure av_freep (ptr: pointer); - cdecl; external av__util; - -(* libavutil/log.h *) - -const -{$IF LIBAVUTIL_VERSION_MAJOR < 50} - AV_LOG_QUIET = -1; - AV_LOG_FATAL = 0; - AV_LOG_ERROR = 0; - AV_LOG_WARNING = 1; - AV_LOG_INFO = 1; - AV_LOG_VERBOSE = 1; - AV_LOG_DEBUG = 2; -{$ELSE} - AV_LOG_QUIET = -8; - -(** - * Something went really wrong and we will crash now. - *) - AV_LOG_PANIC = 0; - -(** - * Something went wrong and recovery is not possible. - * For example, no header was found for a format which depends - * on headers or an illegal combination of parameters is used. - *) - AV_LOG_FATAL = 8; - -(** - * Something went wrong and cannot losslessly be recovered. - * However, not all future data is affected. - *) - AV_LOG_ERROR = 16; - -(** - * Something somehow does not look correct. This may or may not - * lead to problems. An example would be the use of '-vstrict -2'. - *) - AV_LOG_WARNING = 24; - - AV_LOG_INFO = 32; - AV_LOG_VERBOSE = 40; - -(** - * Stuff which is only useful for libav* developers. - *) - AV_LOG_DEBUG = 48; -{$IFEND} - -(** - * Send the specified message to the log if the level is less than or equal - * to the current av_log_level. By default, all logging messages are sent to - * stderr. This behavior can be altered by setting a different av_vlog callback - * function. - * - * @param avcl A pointer to an arbitrary struct of which the first field is a - * pointer to an AVClass struct. - * @param level The importance level of the message, lower values signifying - * higher importance. - * @param fmt The format string (printf-compatible) that specifies how - * subsequent arguments are converted to output. - * @see av_vlog - *) - -{** to be translated if needed -#ifdef __GNUC__ -void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4))); -#else -void av_log(void*, int level, const char *fmt, ...); -#endif - -void av_vlog(void*, int level, const char *fmt, va_list); -**} - -function av_log_get_level(): cint; - cdecl; external av__util; -procedure av_log_set_level(level: cint); - cdecl; external av__util; - -{** to be translated if needed -void av_log_set_callback(void (*)(void*, int, const char*, va_list)); -void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl); -**} - -{$IF LIBAVUTIL_VERSION >= 50015003} // 50.15.3 -function av_default_item_name (ctx: pointer): Pchar; - cdecl; external av__util; -{$IFEND} - -implementation - -(* libavutil/common.h *) - -function MKTAG(a, b, c, d: AnsiChar): integer; -begin - Result := (ord(a) or (ord(b) shl 8) or (ord(c) shl 16) or (ord(d) shl 24)); -end; - -function MKBETAG(a, b, c, d: AnsiChar): integer; -begin - Result := (ord(d) or (ord(c) shl 8) or (ord(b) shl 16) or (ord(a) shl 24)); -end; - -end. |