diff options
Diffstat (limited to 'cmake/src/lib/ffmpeg/swscale.pas')
| -rw-r--r-- | cmake/src/lib/ffmpeg/swscale.pas | 92 |
1 files changed, 84 insertions, 8 deletions
diff --git a/cmake/src/lib/ffmpeg/swscale.pas b/cmake/src/lib/ffmpeg/swscale.pas index c0aabf45..4f923f04 100644 --- a/cmake/src/lib/ffmpeg/swscale.pas +++ b/cmake/src/lib/ffmpeg/swscale.pas @@ -23,7 +23,7 @@ (* * Conversion of libswscale/swscale.h - * revision 27592, Fri Sep 12 21:46:53 2008 UTC + * Max. version: 0.10.0, revision 31050, Tue May 11 19:40:00 2010 CET *) unit swscale; @@ -49,10 +49,35 @@ uses 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 *) - LIBSWSCALE_MAX_VERSION_MAJOR = 0; - LIBSWSCALE_MAX_VERSION_MINOR = 7; - LIBSWSCALE_MAX_VERSION_RELEASE = 1; + LIBSWSCALE_MAX_VERSION_MAJOR = 0; + LIBSWSCALE_MAX_VERSION_MINOR = 10; + LIBSWSCALE_MAX_VERSION_RELEASE = 0; LIBSWSCALE_MAX_VERSION = (LIBSWSCALE_MAX_VERSION_MAJOR * VERSION_MAJOR) + (LIBSWSCALE_MAX_VERSION_MINOR * VERSION_MINOR) + (LIBSWSCALE_MAX_VERSION_RELEASE * VERSION_RELEASE); @@ -78,6 +103,20 @@ function swscale_version(): cuint; cdecl; external sw__scale; {$IFEND} +{$IF LIBSWSCALE_VERSION >= 000007002} // 0.7.2 +(** + * Returns the libswscale build-time configuration. + *) +function swscale_configuration(): PAnsiChar; + cdecl; external sw__scale; + +(** + * Returns the libswscale license. + *) +function swscale_license(): PAnsiChar; + cdecl; external sw__scale; +{$IFEND} + const (* values for the flags, the stuff on the command line is different *) SWS_FAST_BILINEAR = 1; @@ -124,6 +163,18 @@ const SWS_CS_SMPTE240M = 7; SWS_CS_DEFAULT = 5; +{$IF LIBSWSCALE_VERSION >= 000010000} // 0.10.0 +(** + * Returns a pointer to yuv<->rgb coefficients for the given colorspace + * suitable for sws_setColorspaceDetails(). + * + * @param colorspace One of the SWS_CS_* macros. If invalid, + * SWS_CS_DEFAULT is used. + *) + function sws_getCoefficients(colorspace: cint): Pcint; + cdecl; external sw__scale; +{$IFEND} + type // when used for filters they must have an odd number of elements @@ -148,6 +199,26 @@ type {internal structure} end; +{$IF LIBSWSCALE_VERSION >= 000008000} // 0.8.0 +(** + * Returns a positive value if pix_fmt is a supported input format, 0 + * otherwise. + *) + function sws_isSupportedInput(pix_fmt: TAVPixelFormat): cint; + cdecl; external sw__scale; + +(** + * Returns a positive value if pix_fmt is a supported output format, 0 + * otherwise. + *) + function sws_isSupportedOutput(pix_fmt: TAVPixelFormat): cint; + cdecl; external sw__scale; +{$IFEND} + +(** + * Frees the swscaler context swsContext. + * If swsContext is NULL, then does nothing. + *) procedure sws_freeContext(swsContext: PSwsContext); cdecl; external sw__scale; @@ -175,6 +246,10 @@ function sws_getContext(srcW: cint; srcH: cint; srcFormat: TAVPixelFormat; * slice in the image in dst. A slice is a sequence of consecutive * rows in an image. * + * Slices have to be provided in sequential order, either in + * top-bottom or bottom-top order. If slices are provided in + * non-sequential order the behavior of the function is undefined. + * * @param context the scaling context previously created with * sws_getContext() * @param srcSlice the array containing the pointers to the planes of @@ -192,14 +267,15 @@ function sws_getContext(srcW: cint; srcH: cint; srcFormat: TAVPixelFormat; * the destination image * @return the height of the output slice *) -function sws_scale(context: PSwsContext; srcSlice: PPCuint8Array; srcStride: PCintArray; - srcSliceY: cint; srcSliceH: cint; dst: PPCuint8Array; dstStride: PCintArray): cint; +function sws_scale(context: PSwsContext; {const} srcSlice: PPCuint8Array; {const} srcStride: PCintArray; + srcSliceY: cint; srcSliceH: cint; {const} dst: PPCuint8Array; {const} dstStride: PCintArray): cint; cdecl; external sw__scale; {$IF LIBSWSCALE_VERSION_MAJOR < 1} // deprecated. Use sws_scale() instead. -function sws_scale_ordered(context: PSwsContext; src: PPCuint8Array; srcStride: PCintArray; - srcSliceY: cint; srcSliceH: cint; dst: PPCuint8Array; dstStride: PCintArray): cint; +function sws_scale_ordered(context: PSwsContext; {const} src: PPCuint8Array; + srcStride: PCintArray; srcSliceY: cint; srcSliceH: cint; + dst: PPCuint8Array; dstStride: PCintArray): cint; cdecl; external sw__scale; deprecated; {$IFEND} |