diff options
Diffstat (limited to 'src/lib/ffmpeg-0.11/avio.pas')
| -rw-r--r-- | src/lib/ffmpeg-0.11/avio.pas | 378 |
1 files changed, 19 insertions, 359 deletions
diff --git a/src/lib/ffmpeg-0.11/avio.pas b/src/lib/ffmpeg-0.11/avio.pas index 616e723a..72fa93a3 100644 --- a/src/lib/ffmpeg-0.11/avio.pas +++ b/src/lib/ffmpeg-0.11/avio.pas @@ -29,7 +29,7 @@ * header, so it should not be directly included in your projects. * * update to - * avformat version: 52.110.0 + * avformat version: 54.6.100 *) unit avio; @@ -91,7 +91,6 @@ const const AVIO_SEEKABLE_NORMAL = 0001; (**< Seeking works like for a local file *) - URL_PROTOCOL_FLAG_NESTED_SCHEME = 1; (*< The protocol name can be the first part of a nested protocol scheme *) type TReadWriteFunc = function(opaque: Pointer; buf: PByteArray; buf_size: cint): cint; cdecl; @@ -130,7 +129,6 @@ type *) PAVIOContext = ^TAVIOContext; TAVIOContext = record -{$IFNDEF FF_API_OLD_AVIO} (** * A class for private options. * @@ -143,8 +141,7 @@ type * warning -- this field can be NULL, be sure to not pass this AVIOContext * to any av_opt_* functions in that case. *) - av_class: PAVClass; -{$ENDIF} + av_class: {const} PAVClass; buffer: PByteArray; (**< Start of the buffer. *) buffer_size: cint; (**< Maximum buffer size *) buf_ptr: PByteArray; (**< Current position in the buffer *) @@ -161,9 +158,6 @@ type must_flush: cint; (**< true if the next seek should flush *) eof_reached: cint; (**< true if eof reached *) write_flag: cint; (**< true if open for writing *) -{$IF FF_API_OLD_AVIO} - is_streamed: cint; { deprecated } -{$IFEND} max_packet_size: cint; checksum: culong; checksum_ptr: PByteArray; @@ -190,345 +184,16 @@ type * This field is internal to libavformat and access from outside is not allowed. *) maxsize: cint64; - end; -(* unbuffered I/O *) - -{$IF FF_API_OLD_AVIO} - PURLProtocol = ^TURLProtocol; - -(** - * URL Context. - * New fields can be added to the end with minor version bumps. - * Removal, reordering and changes to existing fields require a major - * version bump. - * sizeof(URLContext) must not be used outside libav*. - * @deprecated This struct will be made private - *) - PPURLContext = ^PURLContext; - PURLContext = ^TURLContext; - TURLContext = record - av_class: {const} PAVClass; ///< information for av_log(). Set by url_open(). - prot: PURLProtocol; - flags: cint; - is_streamed: cint; (**< true if streamed (no seek possible), default = false *) - max_packet_size: cint; (**< if non zero, the stream is packetized with this max packet size *) - priv_data: pointer; - filename: PAnsiChar; (**< specified URL *) - is_connected: cint; - interrupt_callback: TAVIOInterruptCB; + (** + * avio_read and avio_write should if possible be satisfied directly + * instead of going through a buffer, and avio_seek will always + * call the underlying seek function directly. + *) + direct: cint; end; -(** - * @deprecated This struct is to be made private. Use the higher-level - * AVIOContext-based API instead. - *) - TURLProtocol = record - name: PAnsiChar; - url_open: function (h: PURLContext; url: {const} PAnsiChar; flags: cint): cint; cdecl; - url_read: function (h: PURLContext; buf: PByteArray; size: cint): cint; cdecl; - url_write: function (h: PURLContext; {const} buf: PByteArray; size: cint): cint; cdecl; - url_seek: function (h: PURLContext; pos: cint64; whence: cint): cint64; cdecl; - url_close: function (h: PURLContext): cint; cdecl; - next: PURLProtocol; - url_read_pause: function (h: PURLContext; pause: cint): cint; cdecl; - url_read_seek: function (h: PURLContext; stream_index: cint; - timestamp: cint64; flags: cint): cint64; cdecl; - url_get_file_handle: function (h: PURLContext): cint; cdecl; - priv_data_size: cint; - {const} priv_data_class: PAVClass; - flags: cint; - url_check: function (h: PURLContext; mask: cint): cint; - end; - - PURLPollEntry = ^TURLPollEntry; - TURLPollEntry = record - handle: PURLContext; - events: cint; - revents: cint; - end; - -(* not implemented *) -function url_poll(poll_table: PURLPollEntry; n: cint; timeout: cint): cint; - cdecl; external av__format; deprecated; - -const -(** - * @name URL open modes - * The flags argument to url_open and cosins must be one of the following - * constants, optionally ORed with other flags. - * @{ - *) - URL_RDONLY = 1; (**< read-only *) - URL_WRONLY = 2; (**< write-only *) - URL_RDWR = {(URL_RDONLY|URL_WRONLY)} 3; (**< read-write *) -(** - * @ - *) - -(** - * Use non-blocking mode. - * If this flag is set, operations on the context will return - * AVERROR(EAGAIN) if they can not be performed immediately. - * If this flag is not set, operations on the context will never return - * AVERROR(EAGAIN). - * Note that this flag does not affect the opening/connecting of the - * context. Connecting a protocol will always block if necessary (e.g. on - * network protocols) but never hang (e.g. on busy devices). - * Warning: non-blocking protocols is work-in-progress; this flag may be - * silently ignored. - *) - URL_FLAG_NONBLOCK = 8; - -type - PURLInterruptCB = ^TURLInterruptCB; - TURLInterruptCB = function (): cint; cdecl; - -{ -var - url_interrupt_cb: PURLInterruptCB; cvar; external: av__format; -} - -(** - * @defgroup old_url_funcs Old url_* functions - * @eprecated. Use the buffered API based on AVIOContext instead. - * @ - * @ingroup lavf_io - *) -function url_open_protocol(puc: PPURLContext; up: PURLProtocol; - url: {const} PAnsiChar; flags: cint): cint; - cdecl; external av__format; deprecated; -function url_alloc(h: PPURLContext; {const} url: PAnsiChar; flags: cint): cint; - cdecl; external av__format; deprecated; -function url_connect(h: PURLContext): cint; - cdecl; external av__format; deprecated; -function url_open(h: PPointer; url: {const} PAnsiChar; flags: cint): cint; - cdecl; external av__format; deprecated; -function url_read (h: PURLContext; buf: PByteArray; size: cint): cint; - cdecl; external av__format; deprecated; -function url_read_complete (h: PURLContext; buf: PByteArray; size: cint): cint; - cdecl; external av__format; deprecated; -function url_write (h: PURLContext; {const} buf: PByteArray; size: cint): cint; - cdecl; external av__format; deprecated; -function url_seek (h: PURLContext; pos: cint64; whence: cint): cint64; - cdecl; external av__format; deprecated; -function url_close (h: PURLContext): cint; - cdecl; external av__format; deprecated; -function url_filesize (h: PURLContext): cint64; - cdecl; external av__format; deprecated; -function url_get_file_handle(h: PURLContext): cint; - cdecl; external av__format; deprecated; -function url_get_max_packet_size(h: PURLContext): cint; - cdecl; external av__format; deprecated; -procedure url_get_filename(h: PURLContext; buf: PAnsiChar; buf_size: cint); - cdecl; external av__format; deprecated; -function av_url_read_pause(h: PURLContext; pause: cint): cint; - cdecl; external av__format; deprecated; -function av_url_read_seek(h: PURLContext; stream_index: cint; - timestamp: cint64; flags: cint): cint64; - cdecl; external av__format; deprecated; -procedure url_set_interrupt_cb (interrupt_cb: TURLInterruptCB); - cdecl; external av__format; deprecated; - -(** - * returns the next registered protocol after the given protocol (the first if - * NULL is given), or NULL if protocol is the last one. - *) -function av_protocol_next(p: PURLProtocol): PURLProtocol; - cdecl; external av__format; - -(** - * Register the URLProtocol protocol. - * - * @param size the size of the URLProtocol struct referenced - *) -function av_register_protocol2(protocol: PURLProtocol; size: cint): cint; - cdecl; external av__format; deprecated; -(** - * @ - *) - -type - PByteIOContext = PAVIOContext; { deprecated } - TByteIOContext = TAVIOContext; { deprecated } - -function init_put_byte(s: PAVIOContext; - buffer: PByteArray; - buffer_size: cint; - write_flag: cint; - opaque: pointer; - read_packet: TReadWriteFunc; - write_packet: TReadWriteFunc; - seek: TSeekFunc): cint; - cdecl; external av__format; deprecated; -function av_alloc_put_byte( - buffer: PByteArray; - buffer_size: cint; - write_flag: cint; - opaque: Pointer; - read_packet: TReadWriteFunc; - write_packet: TReadWriteFunc; - seek: TSeekFunc): PAVIOContext; - cdecl; external av__format; deprecated; - -(** - * @defgroup old_avio_funcs Old put_/get_*() functions - * The following functions are deprecated. Use the "avio_"-prefixed functions instead. - * @ - *) -function get_buffer(s: PAVIOContext; buf: PByteArray; size: cint): cint; - cdecl; external av__format; deprecated; -function get_partial_buffer(s: PAVIOContext; buf: PByteArray; size: cint): cint; - cdecl; external av__format; deprecated; -function get_byte(s: PAVIOContext): cint; - cdecl; external av__format; deprecated; -function get_le16(s: PAVIOContext): cuint; - cdecl; external av__format; deprecated; -function get_le24(s: PAVIOContext): cuint; - cdecl; external av__format; deprecated; -function get_le32(s: PAVIOContext): cuint; - cdecl; external av__format; deprecated; -function get_le64(s: PAVIOContext): cuint64; - cdecl; external av__format; deprecated; -function get_be16(s: PAVIOContext): cuint; - cdecl; external av__format; deprecated; -function get_be24(s: PAVIOContext): cuint; - cdecl; external av__format; deprecated; -function get_be32(s: PAVIOContext): cuint; - cdecl; external av__format; deprecated; -function get_be64(s: PAVIOContext): cuint64; - cdecl; external av__format; deprecated; - -procedure put_byte(s: PAVIOContext; b: cint); - cdecl; external av__format; deprecated; -procedure put_nbyte(s: PAVIOContext; b: cint; count: cint); - cdecl; external av__format; deprecated; -procedure put_buffer (s: PAVIOContext; buf: {const} PByteArray; size: cint); - cdecl; external av__format; deprecated; -procedure put_le64(s: PAVIOContext; val: cuint64); - cdecl; external av__format; deprecated; -procedure put_be64(s: PAVIOContext; val: cuint64); - cdecl; external av__format; deprecated; -procedure put_le32(s: PAVIOContext; val: cuint); - cdecl; external av__format; deprecated; -procedure put_be32(s: PAVIOContext; val: cuint); - cdecl; external av__format; deprecated; -procedure put_le24(s: PAVIOContext; val: cuint); - cdecl; external av__format; deprecated; -procedure put_be24(s: PAVIOContext; val: cuint); - cdecl; external av__format; deprecated; -procedure put_le16(s: PAVIOContext; val: cuint); - cdecl; external av__format; deprecated; -procedure put_be16(s: PAVIOContext; val: cuint); - cdecl; external av__format; deprecated; -procedure put_tag(s: PAVIOContext; tag: {const} PAnsiChar); - cdecl; external av__format; deprecated; -(** - * @ - *) - -function av_url_read_fpause(h: PAVIOContext; pause: cint): cint; - cdecl; external av__format; deprecated; -function av_url_read_fseek(h: PAVIOContext; stream_index: cint; - timestamp: cint64; flags: cint): cint64; - cdecl; external av__format; deprecated; - -(** - * @defgroup old_url_f_funcs Old url_f* functions - * @deprecated, use the "avio_"-prefixed functions instead. - * @ - *) -function url_fopen(var s: PAVIOContext; url: {const} PAnsiChar; flags: cint): cint; - cdecl; external av__format; deprecated; -function url_fclose(s: PAVIOContext): cint; - cdecl; external av__format; deprecated; -function url_fseek(s: PAVIOContext; offset: cint64; whence: cint): cint64; - cdecl; external av__format; deprecated; -function url_fskip(s: PAVIOContext; offset: cint64): cint; - cdecl; external av__format; deprecated; -function url_ftell(s: PAVIOContext): cint64; - cdecl; external av__format; deprecated; -function url_fsize(s: PAVIOContext): cint64; - cdecl; external av__format; deprecated; -const - URL_EOF = -1; -(** @note return URL_EOF (-1) if EOF *) -function url_fgetc(s: PAVIOContext): cint; - cdecl; external av__format; deprecated; -function url_setbufsize (s: PAVIOContext; buf_size: cint): cint; - cdecl; external av__format; deprecated; -function url_fprintf(s: PAVIOContext; fmt: {const} PAnsiChar; args: array of const): cint; - cdecl; external av__format; deprecated; -procedure put_flush_packet (s: PAVIOContext); - cdecl; external av__format; deprecated; -function url_open_dyn_buf(var s: PAVIOContext): cint; - cdecl; external av__format; deprecated; -function url_open_dyn_packet_buf(var s: PAVIOContext; max_packet_size: cint): cint; - cdecl; external av__format; deprecated; -function url_close_dyn_buf(s: PAVIOContext; pbuffer:PPointer): cint; - cdecl; external av__format; deprecated; -function url_fdopen (var s: PAVIOContext; h: PURLContext): cint; - cdecl; external av__format; deprecated; -(** - * @ - *) - -function url_ferror(s: PAVIOContext): cint; - cdecl; external av__format; deprecated; - -function udp_set_remote_url(h: PURLContext; uri: {const} PAnsiChar): cint; - cdecl; external av__format; deprecated; -function udp_get_local_port(h: PURLContext): cint; - cdecl; external av__format; deprecated; - -type - Tupdate_checksum = function (c: culong; p: Pcuint8; len: cuint): culong; cdecl; -procedure init_checksum(s: PAVIOContext; - update_checksum: Tupdate_checksum; - checksum: culong); - cdecl; external av__format; deprecated; -function get_checksum(s: PAVIOContext): culong; - cdecl; external av__format; deprecated; -procedure put_strz(s: PAVIOContext; buf: {const} PAnsiChar); - cdecl; external av__format; deprecated; -(** @note unlike fgets, the EOL character is not returned and a whole - line is parsed. return NULL if first char read was EOF *) -function url_fgets(s: PAVIOContext; buf: PAnsiChar; buf_size: cint): PAnsiChar; - cdecl; external av__format; deprecated; -(** - * @deprecated use avio_get_str instead - *) -function get_strz(s: PAVIOContext; buf: PAnsiChar; maxlen: cint): PAnsiChar; - cdecl; external av__format; deprecated; -(** - * @deprecated Use AVIOContext.seekable field directly. - *) -function url_is_streamed(s: PAVIOContext): cint; {$IFDEF HasInline}inline;{$ENDIF} deprecated; - -function url_fileno(s: PAVIOContext): PURLContext; - cdecl; external av__format; deprecated; - -(** - * @deprecated use AVIOContext.max_packet_size directly. - *) -function url_fget_max_packet_size (s: PAVIOContext): cint; - cdecl; external av__format; deprecated; - -function url_open_buf(var s: PAVIOContext; buf: PAnsiChar; buf_size: cint; flags: cint): cint; - cdecl; external av__format; deprecated; - -(** return the written or read size *) -function url_close_buf(s: PAVIOContext): cint; - cdecl; external av__format; deprecated; - -(** - * Return a non-zero value if the resource indicated by url - * exists, 0 otherwise. - * @deprecated Use avio_check instead. - *) -function url_exist(url: {const} PAnsiChar): cint; - cdecl; external av__format; deprecated; -{$IFEND} // FF_API_OLD_AVIO +(* unbuffered I/O *) (** * Return AVIO_* access flags corresponding to the access permissions @@ -545,19 +210,6 @@ function url_exist(url: {const} PAnsiChar): cint; function avio_check(url: {const} PAnsiChar; flags: cint): cint; cdecl; external av__format; -{$IFDEF FF_API_OLD_INTERRUPT_CB} -(** - * The callback is called in blocking functions to test regulary if - * asynchronous interruption is needed. AVERROR_EXIT is returned - * in this case by the interrupted function. 'NULL' means no interrupt - * callback is given. - * @deprecated Use interrupt_callback in AVFormatContext/avio_open2 - * instead. - *) -procedure avio_set_interrupt_cb(interrupt_cb: Pointer); - cdecl; external av__format; deprecated; -{$ENDIF} - (** * Allocate and initialize an AVIOContext for buffered I/O. It must be later * freed with av_free(). @@ -765,6 +417,7 @@ const * @ *) +const (** * Use non-blocking mode. * If this flag is set, operations on the context will return @@ -777,10 +430,17 @@ const * Warning: non-blocking protocols is work-in-progress; this flag may be * silently ignored. *) -const AVIO_FLAG_NONBLOCK = 8; (** + * Use direct mode. + * avio_read and avio_write should if possible be satisfied directly + * instead of going through a buffer, and avio_seek will always + * call the underlying seek function directly. + *) + AVIO_FLAG_DIRECT = $8000; + +(** * Create and initialize a AVIOContext for accessing the * resource indicated by url. * @note When the resource indicated by url has been opened in @@ -849,7 +509,7 @@ function avio_close_dyn_buf(s: PAVIOContext; var pbuffer: Pcuint8): cint; (** * Iterate through names of available protocols. - * @note it is recommanded to use av_protocol_next() instead of this + * @note it is recommended to use av_protocol_next() instead of this * * @param opaque A private pointer representing current protocol. * It must be a pointer to NULL on first iteration and will |