diff options
Diffstat (limited to 'src/lib/ffmpeg-0.10/avutil.pas')
| -rw-r--r-- | src/lib/ffmpeg-0.10/avutil.pas | 333 |
1 files changed, 29 insertions, 304 deletions
diff --git a/src/lib/ffmpeg-0.10/avutil.pas b/src/lib/ffmpeg-0.10/avutil.pas index f50bef6e..0d9235e0 100644 --- a/src/lib/ffmpeg-0.10/avutil.pas +++ b/src/lib/ffmpeg-0.10/avutil.pas @@ -71,11 +71,11 @@ const (* Check if linked versions are supported *) {$IF (LIBAVUTIL_VERSION < LIBAVUTIL_MIN_VERSION)} - {$MESSAGE Error 'Linked version of libavutil is too old!'} +// {$MESSAGE Error 'Linked version of libavutil is too old!'} {$IFEND} {$IF (LIBAVUTIL_VERSION > LIBAVUTIL_MAX_VERSION)} - {$MESSAGE Error 'Linked version of libavutil is not yet supported!'} +// {$MESSAGE Error 'Linked version of libavutil is not yet supported!'} {$IFEND} (** @@ -116,7 +116,7 @@ type * Return a string describing the media_type enum, NULL if media_type * is unknown. *) -function av_get_media_type_string(media_type: PAVMediaType): Pchar; +function av_get_media_type_string(media_type: TAVMediaType): Pchar; cdecl; external av__util; const @@ -184,6 +184,7 @@ function av_get_picture_type_char(pict_type: TAVPictureType): Pchar; * Return x default pointer in case p is NULL. *) function av_x_if_null(p: {const} pointer; x: {const} pointer): pointer; + cdecl; external av__util; {$INCLUDE libavutil/cpu.pas} @@ -208,298 +209,17 @@ function av_x_if_null(p: {const} pointer; x: {const} pointer): pointer; 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: size_t): 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: size_t): pointer; - cdecl; external av__util; {av_alloc_size(2)} - -(** - * Allocate or reallocate a block of memory. - * This function does the same thing as av_realloc, except: - * - It takes two arguments and checks the result of the multiplication for - * integer overflow. - * - It frees the input block in case of failure, thus avoiding the memory - * leak with the classic "buf = realloc(buf); if (!buf) return -1;". - *) -function av_realloc_f(ptr: pointer; nelem: size_t; elsize: size_t): pointer; - cdecl; external av__util; - -(** - * 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: size_t): pointer; - cdecl; external av__util; {av_malloc_attrib av_alloc_size(1)} - -(** - * Allocate a block of nmemb * size bytes with alignment suitable for all - * memory accesses (including vectors if available on the CPU) and - * zero all the bytes of the block. - * The allocation will fail if nmemb * size is greater than or equal - * to INT_MAX. - * @param nmemb - * @param size - * @return Pointer to the allocated block, NULL if it cannot be allocated. - *) -function av_calloc(nmemb: size_t; size: size_t): pointer; - cdecl; external av__util; {av_malloc_attrib} - -(** - * 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} - -(** - * Free a 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; - -(** - * Add an element to a dynamic array. - * - * @param tab_ptr Pointer to the array. - * @param nb_ptr Pointer to the number of elements in the array. - * @param elem Element to be added. - *) -procedure av_dynarray_add(tab_ptr: pointer; nb_ptr: PCint; elem: pointer); - cdecl; external av__util; - -(** - * Multiply two size_t values checking for overflow. - * @return 0 if success, AVERROR(EINVAL) if overflow. - *) -function av_size_mult(a: size_t; b: size_t; r: ^size_t): cint; - -(* libavutil/log.h *) - -type -(** - * Describe the class of an AVClass context structure. That is an - * arbitrary struct of which the first field is a pointer to an - * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.). - *) - PAVClass = ^TAVClass; - TAVClass = record - (** - * The name of the class; usually it is the same name as the - * context structure type to which the AVClass is associated. - *) - class_name: PAnsiChar; - - (** - * A pointer to a function which returns the name of a context - * instance ctx associated with the class. - *) - item_name: function(): PAnsiChar; cdecl; - - (** - * a pointer to the first option specified in the class if any or NULL - * - * @see av_set_default_options() - *) - option: PAVOption; - - (** - * LIBAVUTIL_VERSION with which this structure was created. - * This is used to allow fields to be added without requiring major - * version bumps everywhere. - *) - version: cint; - - (** - * Offset in the structure where log_level_offset is stored. - * 0 means there is no such variable - *) - log_level_offset_offset: cint; - - (** - * Offset in the structure where a pointer to the parent context for loging is stored. - * for example a decoder that uses eval.c could pass its AVCodecContext to eval as such - * parent context. And a av_log() implementation could then display the parent context - * can be NULL of course - *) - parent_log_context_offset: cint; - - (** - * Return next AVOptions-enabled child or NULL - *) - child_next: function(obj: pointer; prev: pointer): Pointer; cdecl; - - (** - * Return an AVClass corresponding to next potential - * AVOptions-enabled child. - * - * The difference between child_next and this is that - * child_next iterates over _already existing_ objects, while - * child_class_next iterates over _all possible_ children. - *) - child_class_next: function(prev: PAVClass): PAVClass; cdecl; - end; - -const - 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; - -(** - * 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 -void av_log(void *avcl, int level, const char *fmt, ...) av_printf_format(3, 4); -**} - -type - va_list = pointer; - -procedure av_vlog(avcl: pointer; level: cint; fmt: {const} PAnsiChar; dummy: va_list); - cdecl; external av__util; -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); -**} - -function av_default_item_name (ctx: pointer): PAnsiChar; - cdecl; external av__util; - -(** - * Format a line of log the same way as the default callback. - * @param line buffer to receive the formated line - * @param line_size size of the buffer - * @param print_prefix used to store whether the prefix must be printed; - * must point to a persistent integer initially set to 1 - *) -procedure av_log_format_line(ptr: pointer; level: cint; fmt: {const} Pchar; vl: va_list; - line: Pchar; line_size: cint; print_prefix: Pcint); - cdecl; external av__util; - -(** - * av_dlog macros - * Useful to print debug messages that shouldn't get compiled in normally. - *) -(** to be translated if needed -#ifdef DEBUG -# define av_dlog(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__) -#else -# define av_dlog(pctx, ...) do { if (0) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0) -#endif -**) - -(** - * Skip repeated messages, this requires the user app to use av_log() instead of - * (f)printf as the 2 would otherwise interfere and lead to - * "Last message repeated x times" messages below (f)printf messages with some - * bad luck. - * Also to receive the last, "last repeated" line if any, the user app must - * call av_log(NULL, AV_LOG_QUIET, "%s", ""); at the end - *) -const - AV_LOG_SKIP_REPEATED = 1; -procedure av_log_set_flags(arg: cint); - cdecl; external av__util; - implementation (* To Be Implemented, March 2012 KMS *) -function av_x_if_null(p: {const} pointer; x: {const} pointer): pointer; -begin - //return (void *)(intptr_t)(p ? p : x); -end; +//function av_x_if_null(p: {const} pointer; x: {const} pointer): pointer; +//begin +// If p = Nil Then +// Result := p +// Else +// Result := x; +// //return (void *)(intptr_t)(p ? p : x); +//end; (* libavutil/common.h *) @@ -513,18 +233,23 @@ begin Result := (ord(d) or (ord(c) shl 8) or (ord(b) shl 16) or (ord(a) shl 24)); end; +type + Psize_t = ^size_t; + +function av_size_mult(a: size_t; b: size_t; r: Psize_t): size_t; + cdecl; external av__util; (* To Be Implemented, March 2012 KMS *) -function av_size_mult(a: size_t; b: size_t; r: ^size_t): cint; -begin - { - size_t t = a * b; - /* Hack inspired from glibc: only try the division if nelem and elsize - * are both greater than sqrt(SIZE_MAX). */ - if ((a | b) >= ((size_t)1 << (sizeof(size_t) * 4)) && a && t / a != b) - return AVERROR(EINVAL); - *r = t; - return 0; -} -end; +//function av_size_mult(a: size_t; b: size_t; r: pointer): size_t; +//begin +// { +// size_t t = a * b; +// /* Hack inspired from glibc: only try the division if nelem and elsize +// * are both greater than sqrt(SIZE_MAX). */ +// if ((a | b) >= ((size_t)1 << (sizeof(size_t) * 4)) && a && t / a != b) +// return AVERROR(EINVAL); +// *r = t; +// return 0; +//} +//end; end. |