diff options
| -rw-r--r-- | src/lib/ffmpeg/avformat.pas | 149 | ||||
| -rw-r--r-- | src/lib/ffmpeg/avio.pas | 38 |
2 files changed, 109 insertions, 78 deletions
diff --git a/src/lib/ffmpeg/avformat.pas b/src/lib/ffmpeg/avformat.pas index 42fc4347..6121c685 100644 --- a/src/lib/ffmpeg/avformat.pas +++ b/src/lib/ffmpeg/avformat.pas @@ -23,7 +23,7 @@ * * Conversion of libavformat/avformat.h * Min. version: 50.5.0 , revision 6577, Sat Oct 7 15:30:46 2006 UTC - * Max. version: 52.71.0, revision 23706, Tue Jul 20 21:30:00 2010 CET + * Max. version: 52.72.0, revision 23941, Tue Jul 20 21:30:00 2010 CET *) unit avformat; @@ -81,7 +81,7 @@ const *) (* Max. supported version by this header *) LIBAVFORMAT_MAX_VERSION_MAJOR = 52; - LIBAVFORMAT_MAX_VERSION_MINOR = 71; + LIBAVFORMAT_MAX_VERSION_MINOR = 72; LIBAVFORMAT_MAX_VERSION_RELEASE = 0; LIBAVFORMAT_MAX_VERSION = (LIBAVFORMAT_MAX_VERSION_MAJOR * VERSION_MAJOR) + (LIBAVFORMAT_MAX_VERSION_MINOR * VERSION_MINOR) + @@ -116,13 +116,13 @@ function avformat_version(): cuint; {$IF LIBAVFORMAT_VERSION >= 52039002} // 52.39.2 (** - * Returns the libavformat build-time configuration. + * Return the libavformat build-time configuration. *) function avformat_configuration(): {const} PansiChar; cdecl; external av__format; (** - * Returns the libavformat license. + * Return the libavformat license. *) function avformat_license(): {const} PansiChar; cdecl; external av__format; @@ -175,7 +175,7 @@ type {$IF LIBAVFORMAT_VERSION > 52024001} // > 52.24.1 {$IF LIBAVFORMAT_VERSION_MAJOR = 52} (** - * Gets a metadata element with matching key. + * Get a metadata element with matching key. * @param prev Set to the previous matching element to find the next. * If set to NULL the first matching element is returned. * @param flags Allows case as well as suffix-insensitive comparisons. @@ -186,7 +186,7 @@ function av_metadata_get(m: PAVMetadata; key: {const} PAnsiChar; cdecl; external av__format; (** - * Sets the given tag in m, overwriting an existing tag. + * Set the given tag in m, overwriting an existing tag. * @param key tag key to add to m (will be av_strduped) * @param value tag value to add to m (will be av_strduped) * @return >= 0 on success otherwise an error code <0 @@ -201,7 +201,7 @@ function av_metadata_set(var pm: PAVMetadata; key: {const} PAnsiChar; value: {co {$IF LIBAVFORMAT_VERSION >= 52043000} // >= 52.43.0 (** - * Sets the given tag in m, overwriting an existing tag. + * Set the given tag in m, overwriting an existing tag. * @param key tag key to add to m (will be av_strduped depending on flags) * @param value tag value to add to m (will be av_strduped depending on flags). * Passing a NULL value will cause an existing tag to be deleted. @@ -212,7 +212,7 @@ function av_metadata_set2(var pm: PAVMetadata; key: {const} PAnsiChar; value: {c {$IFEND} (** - * Frees all the memory allocated for an AVMetadata struct. + * Free all the memory allocated for an AVMetadata struct. *) procedure av_metadata_free(var m: PAVMetadata); cdecl; external av__format; @@ -633,11 +633,11 @@ type (** General purpose read-only value that the format can use. *) value: cint; - (** Starts/resumes playing - only meaningful if using a network-based format + (** Start/resume playing - only meaningful if using a network-based format (RTSP). *) read_play: function (c: PAVFormatContext): cint; cdecl; - (** Pauses playing - only meaningful if using a network-based format + (** Pause playing - only meaningful if using a network-based format (RTSP). *) read_pause: function (c: PAVFormatContext): cint; cdecl; @@ -647,7 +647,7 @@ type {$IF LIBAVFORMAT_VERSION >= 52030000} // 52.30.0 (** - * Seeks to timestamp ts. + * Seek to timestamp ts. * Seeking will be done so that the point from which all active streams * can be presented successfully will be closest to ts and within min/max_ts. * Active streams are all streams that have AVStream.discard < AVDISCARD_ALL. @@ -1164,8 +1164,8 @@ function guess_stream_format(short_name: PAnsiChar; {$IFEND} (** - * Returns the output format in the list of registered output formats - * which best matches the provided parameters, or returns NULL if + * Return the output format in the list of registered output formats + * which best matches the provided parameters, or return NULL if * there is no match. * * @param short_name if non-NULL checks if short_name matches with the @@ -1191,7 +1191,7 @@ function av_guess_format(short_name: PAnsiChar; {$IFEND} (** - * Guesses the codec ID based upon muxer and filename. + * Guess the codec ID based upon muxer and filename. *) function av_guess_codec(fmt: PAVOutputFormat; short_name: PAnsiChar; filename: PAnsiChar; mime_type: PAnsiChar; @@ -1199,7 +1199,7 @@ function av_guess_codec(fmt: PAVOutputFormat; short_name: PAnsiChar; cdecl; external av__format; (** - * Sends a nice hexadecimal dump of a buffer to the specified file stream. + * Send a nice hexadecimal dump of a buffer to the specified file stream. * * @param f The file stream pointer where the dump should be sent to. * @param buf buffer @@ -1212,7 +1212,7 @@ procedure av_hex_dump(f: PAVFile; buf: PByteArray; size: cint); {$IF LIBAVFORMAT_VERSION >= 51011000} // 51.11.0 (** - * Sends a nice hexadecimal dump of a buffer to the log. + * Send a nice hexadecimal dump of a buffer to the log. * * @param avcl A pointer to an arbitrary struct of which the first field is a * pointer to an AVClass struct. @@ -1228,7 +1228,7 @@ procedure av_hex_dump_log(avcl: Pointer; level: cint; buf: PByteArray; size: cin {$IFEND} (** - * Sends a nice dump of a packet to the specified file stream. + * Send a nice dump of a packet to the specified file stream. * * @param f The file stream pointer where the dump should be sent to. * @param pkt packet to dump @@ -1239,7 +1239,7 @@ procedure av_pkt_dump(f: PAVFile; pkt: PAVPacket; dump_payload: cint); {$IF LIBAVFORMAT_VERSION >= 51011000} // 51.11.0 (** - * Sends a nice dump of a packet to the log. + * Send a nice dump of a packet to the log. * * @param avcl A pointer to an arbitrary struct of which the first field is a * pointer to an AVClass struct. @@ -1253,7 +1253,7 @@ procedure av_pkt_dump_log(avcl: Pointer; level: cint; pkt: PAVPacket; dump_paylo {$IFEND} (** - * Initializes libavformat and registers all the muxers, demuxers and + * Initialize libavformat and register all the muxers, demuxers and * protocols. If you do not call this function, then you can select * exactly which formats you want to support. * @@ -1266,7 +1266,7 @@ procedure av_register_all(); {$IF LIBAVFORMAT_VERSION >= 51008000} // 51.8.0 (** - * Gets the CodecID for the given codec tag tag. + * Get the CodecID for the given codec tag tag. * If no codec id is found returns CODEC_ID_NONE. * * @param tags list of supported codec_id-codec_tag pairs, as stored @@ -1276,7 +1276,7 @@ function av_codec_get_id(var tags: PAVCodecTag; tag: cuint): TCodecID; cdecl; external av__format; (** - * Gets the codec tag for the given codec id id. + * Getsthe codec tag for the given codec id id. * If no codec tag is found returns 0. * * @param tags list of supported codec_id-codec_tag pairs, as stored @@ -1289,13 +1289,13 @@ function av_codec_get_tag(var tags: PAVCodecTag; id: TCodecID): cuint; (* media file input *) (** - * Finds AVInputFormat based on the short name of the input format. + * Find AVInputFormat based on the short name of the input format. *) function av_find_input_format(short_name: PAnsiChar): PAVInputFormat; cdecl; external av__format; (** - * Guesses file format. + * Guess file format. * * @param is_opened Whether the file is already opened; determines whether * demuxers with or without AVFMT_NOFILE are probed. @@ -1305,7 +1305,7 @@ function av_probe_input_format(pd: PAVProbeData; is_opened: cint): PAVInputForma {$IF LIBAVFORMAT_VERSION >= 52062000} // 52.62.0 (** - * Guesses the file format. + * Guess the file format. * * @param is_opened Whether the file is already opened; determines whether * demuxers with or without AVFMT_NOFILE are probed. @@ -1320,7 +1320,7 @@ function av_probe_input_format2(pd: PAVProbeData; is_opened: cint; score_max: PC {$IFEND} (** - * Allocates all the structures needed to read an input stream. + * Allocate all the structures needed to read an input stream. * This does not open the needed codecs for decoding the stream[s]. *) function av_open_input_stream(var ic_ptr: PAVFormatContext; @@ -1329,7 +1329,7 @@ function av_open_input_stream(var ic_ptr: PAVFormatContext; cdecl; external av__format; (** - * Opens a media file as input. The codecs are not opened. Only the file + * Open a media file as input. The codecs are not opened. Only the file * header (if present) is read. * * @param ic_ptr The opened media file handle is put here. @@ -1347,7 +1347,7 @@ function av_open_input_file(var ic_ptr: PAVFormatContext; filename: PAnsiChar; {$IF LIBAVFORMAT_VERSION >= 52026000} // 52.26.0 (** - * Allocates an AVFormatContext. + * Allocate an AVFormatContext. * Can be freed with av_free() but do not forget to free everything you * explicitly allocated as well! *) @@ -1364,7 +1364,7 @@ function av_alloc_format_context(): PAVFormatContext; {$IFEND} (** - * Reads packets of a media file to get stream information. This + * Read packets of a media file to get stream information. This * is useful for file formats with no headers such as MPEG. This * function also computes the real framerate in case of MPEG-2 repeat * frame mode. @@ -1380,7 +1380,7 @@ function av_find_stream_info(ic: PAVFormatContext): cint; cdecl; external av__format; (** - * Reads a transport packet from a media file. + * Read a transport packet from a media file. * * This function is obsolete and should never be used. * Use av_read_frame() instead. @@ -1393,7 +1393,7 @@ function av_read_packet(s: PAVFormatContext; var pkt: TAVPacket): cint; cdecl; external av__format; (** - * Returns the next frame of a stream. + * Return the next frame of a stream. * * The returned packet is valid * until the next av_read_frame() or until av_close_input_file() and @@ -1415,7 +1415,7 @@ function av_read_frame(s: PAVFormatContext; var pkt: TAVPacket): cint; cdecl; external av__format; (** - * Seeks to the keyframe at timestamp. + * Seek to the keyframe at timestamp. * 'timestamp' in 'stream_index'. * @param stream_index If stream_index is (-1), a default * stream is selected, and timestamp is automatically converted @@ -1431,7 +1431,7 @@ function av_seek_frame(s: PAVFormatContext; stream_index: cint; timestamp: cint6 {$IF LIBAVFORMAT_VERSION >= 52026000} // 52.26.0 (** - * Seeks to timestamp ts. + * Seek to timestamp ts. * Seeking will be done so that the point from which all active streams * can be presented successfully will be closest to ts and within min/max_ts. * Active streams are all streams that have AVStream.discard < AVDISCARD_ALL. @@ -1466,14 +1466,14 @@ function avformat_seek_file(s: PAVFormatContext; {$IFEND} (** - * Starts playing a network-based stream (e.g. RTSP stream) at the + * Start playing a network-based stream (e.g. RTSP stream) at the * current position. *) function av_read_play(s: PAVFormatContext): cint; cdecl; external av__format; (** - * Pauses a network-based stream (e.g. RTSP stream). + * Pause a network-based stream (e.g. RTSP stream). * * Use av_read_play() to resume it. *) @@ -1482,7 +1482,7 @@ function av_read_pause(s: PAVFormatContext): cint; {$IF LIBAVFORMAT_VERSION >= 52003000} // 52.3.0 (** - * Frees a AVFormatContext allocated by av_open_input_stream. + * Free a AVFormatContext allocated by av_open_input_stream. * @param s context to free *) procedure av_close_input_stream(s: PAVFormatContext); @@ -1490,7 +1490,7 @@ procedure av_close_input_stream(s: PAVFormatContext); {$IFEND} (** - * Closes a media file (but not its codecs). + * Close a media file (but not its codecs). * * @param s media file handle *) @@ -1498,7 +1498,7 @@ procedure av_close_input_file(s: PAVFormatContext); cdecl; external av__format; (** - * Adds a new stream to a media file. + * Add a new stream to a media file. * * Can only be called in the read_header() function. If the flag * AVFMTCTX_NOHEADER is in the format context, then new streams @@ -1516,7 +1516,7 @@ function av_new_program(s: PAVFormatContext; id: cint): PAVProgram; {$IF LIBAVFORMAT_VERSION >= 52014000} // 52.14.0 (** - * Adds a new chapter. + * Add a new chapter. * This function is NOT part of the public API * and should ONLY be used by demuxers. * @@ -1534,7 +1534,7 @@ function ff_new_chapter(s: PAVFormatContext; id: cint; time_base: TAVRational; {$IFEND} (** - * Sets the pts for a given stream. + * Set the pts for a given stream. * * @param s stream * @param pts_wrap_bits number of bits effectively used by the pts @@ -1562,7 +1562,7 @@ function av_find_default_stream_index(s: PAVFormatContext): cint; cdecl; external av__format; (** - * Gets the index for a specific timestamp. + * Get the index for a specific timestamp. * @param flags if AVSEEK_FLAG_BACKWARD then the returned index will correspond * to the timestamp which is <= the requested one, if backward * is 0, then it will be >= @@ -1574,7 +1574,7 @@ function av_index_search_timestamp(st: PAVStream; timestamp: cint64; flags: cint {$IF LIBAVFORMAT_VERSION >= 52004000} // 52.4.0 (** - * Ensures the index uses less memory than the maximum specified in + * Ensure the index uses less memory than the maximum specified in * AVFormatContext.max_index_size by discarding entries if it grows * too large. * This function is not part of the public API and should only be called @@ -1585,7 +1585,7 @@ procedure ff_reduce_index(s: PAVFormatContext; stream_index: cint); {$IFEND} (** - * Adds an index entry into a sorted list. Updates the entry if the list + * Add an index entry into a sorted list. Update the entry if the list * already contains it. * * @param timestamp timestamp in the timebase of the given stream @@ -1595,7 +1595,7 @@ function av_add_index_entry(st: PAVStream; pos: cint64; timestamp: cint64; cdecl; external av__format; (** - * Does a binary search using av_index_search_timestamp() and + * Perform a binary search using av_index_search_timestamp() and * AVCodec.read_timestamp(). * This is not supposed to be called directly by a user application, * but by demuxers. @@ -1608,7 +1608,7 @@ function av_seek_frame_binary(s: PAVFormatContext; stream_index: cint; (** - * Updates cur_dts of all streams based on the given timestamp and AVStream. + * Update cur_dts of all streams based on the given timestamp and AVStream. * * Stream ref_st unchanged, others set cur_dts in their native time base. * Only needed for timestamp wrapping or if (dts not set and pts!=dts). @@ -1625,7 +1625,7 @@ type arg2: cint; arg3: Pint64; arg4: cint64): cint64; cdecl; (** - * Does a binary search using read_timestamp(). + * Perform a binary search using read_timestamp(). * This is not supposed to be called directly by a user application, * but by demuxers. * @param target_ts target timestamp in the time base of the given stream @@ -1644,8 +1644,37 @@ function av_gen_search(s: PAVFormatContext; stream_index: cint; function av_set_parameters(s: PAVFormatContext; ap: PAVFormatParameters): cint; cdecl; external av__format; +{$IF LIBAVFORMAT_VERSION >= 52072000} // 52.72.0 (** - * Allocates the stream private data and writes the stream header to an + * Split a URL string into components. + * + * The pointers to buffers for storing individual components may be null, + * in order to ignore that component. Buffers for components not found are + * set to empty strings. If the port is not found, it is set to a negative + * value. + * + * @param proto the buffer for the protocol + * @param proto_size the size of the proto buffer + * @param authorization the buffer for the authorization + * @param authorization_size the size of the authorization buffer + * @param hostname the buffer for the host name + * @param hostname_size the size of the hostname buffer + * @param port_ptr a pointer to store the port number in + * @param path the buffer for the path + * @param path_size the size of the path buffer + * @param url the URL to split + *) +procedure av_url_split(proto: PAnsiChar; proto_size: cint; + authorization: PAnsiChar; authorization_size: cint; + hostname: PAnsiChar; hostname_size: cint; + port_ptr: Pcint; + path: PAnsiChar; path_size: cint; + {const} url: PAnsiChar); + cdecl; external av__format; +{$IFEND} + +(** + * Allocate the stream private data and write the stream header to an * output media file. * * @param s media file handle @@ -1655,7 +1684,7 @@ function av_write_header(s: PAVFormatContext): cint; cdecl; external av__format; (** - * Writes a packet to an output media file. + * Write a packet to an output media file. * * The packet shall contain one audio or video frame. * The packet must be correctly interleaved according to the container @@ -1670,7 +1699,7 @@ function av_write_frame(s: PAVFormatContext; var pkt: TAVPacket): cint; cdecl; external av__format; (** - * Writes a packet to an output media file ensuring correct interleaving. + * Write a packet to an output media file ensuring correct interleaving. * * The packet must contain one audio or video frame. * If the packets are already correctly interleaved, the application should @@ -1688,7 +1717,7 @@ function av_interleaved_write_frame(s: PAVFormatContext; var pkt: TAVPacket): ci cdecl; external av__format; (** - * Interleaves a packet per dts in an output media file. + * Interleave a packet per dts in an output media file. * * Packets with pkt->destruct == av_destruct_packet will be freed inside this * function, so they cannot be used after it. Note that calling av_free_packet() @@ -1725,7 +1754,7 @@ procedure ff_interleave_add_packet(s: PAVFormatContext; {$IFEND} (** - * Writes the stream trailer to an output media file and frees the + * Write the stream trailer to an output media file and free the * file private data. * * May only be called after a successful call to av_write_header. @@ -1741,7 +1770,7 @@ procedure dump_format(ic: PAVFormatContext; index: cint; url: PAnsiChar; cdecl; external av__format; (** - * Parses width and height out of string str. + * Parse width and height out of string str. * @deprecated Use av_parse_video_frame_size instead. *) function parse_image_size(width_ptr: PCint; height_ptr: PCint; @@ -1750,7 +1779,7 @@ function parse_image_size(width_ptr: PCint; height_ptr: PCint; {$IF LIBAVFORMAT_VERSION_MAJOR < 53} (** - * Converts framerate from a string to a fraction. + * Convert framerate from a string to a fraction. * @deprecated Use av_parse_video_frame_rate instead. *) function parse_frame_rate(frame_rate: PCint; frame_rate_base: PCint; @@ -1759,7 +1788,7 @@ function parse_frame_rate(frame_rate: PCint; frame_rate_base: PCint; {$IFEND} (** - * Parses datestr and returns a corresponding number of microseconds. + * Parse datestr and return a corresponding number of microseconds. * @param datestr String representing a date or a duration. * - If a date the syntax is: * @code @@ -1778,7 +1807,7 @@ function parse_frame_rate(frame_rate: PCint; frame_rate_base: PCint; * [-]HH[:MM[:SS[.m...]]] * [-]S+[.m...] * @endcode - * Returns the number of microseconds contained in a time interval + * @return the number of microseconds contained in a time interval * with the specified duration or INT64_MIN if datestr cannot be * successfully parsed. * @param duration Flag which tells how to interpret datestr, if @@ -1788,7 +1817,7 @@ function parse_frame_rate(frame_rate: PCint; frame_rate_base: PCint; function parse_date(datestr: PAnsiChar; duration: cint): cint64; cdecl; external av__format; -(** Gets the current time in microseconds. *) +(** Get the current time in microseconds. *) function av_gettime(): cint64; cdecl; external av__format; @@ -1810,7 +1839,7 @@ procedure ffm_set_write_index(s: PAVFormatContext; pos: cint64; file_size: cint6 cdecl; external av__format; (** - * Attempts to find a specific tag in a URL. + * Attempt to find a specific tag in a URL. * * syntax: '?tag1=val1&tag2=val2...'. Little URL decoding is done. * Return 1 if found. @@ -1819,7 +1848,7 @@ function find_info_tag(arg: PAnsiChar; arg_size: cint; tag1: PAnsiChar; info: PA cdecl; external av__format; (** - * Returns in 'buf' the path with '%d' replaced by a number. + * Return in 'buf' the path with '%d' replaced by a number. * * Also handles the '%0nd' format where 'n' is the total number * of digits and '%%'. @@ -1838,7 +1867,7 @@ function av_get_frame_filename(buf: PAnsiChar; buf_size: cint; {$IFEND}; (** - * Checks whether filename actually is a numbered sequence generator. + * Check whether filename actually is a numbered sequence generator. * * @param filename possible numbered sequence string * @return 1 if a valid numbered sequence string, 0 otherwise @@ -1851,7 +1880,7 @@ function av_filename_number_test(filename: PAnsiChar): cint; {$IF LIBAVFORMAT_VERSION >= 51012002} // 51.12.2 (** - * Generates an SDP for an RTP session. + * Generate an SDP for an RTP session. * * @param ac array of AVFormatContexts describing the RTP streams. If the * array is composed by only one context, such context can contain @@ -1870,7 +1899,7 @@ function avf_sdp_create(ac: PPAVFormatContext; n_files: cint; buff: PByteArray; {$IF LIBAVFORMAT_VERSION >= 52060000} // 52.60.0 (** - * Returns a positive value if the given filename has one of the given + * Return a positive value if the given filename has one of the given * extensions, 0 otherwise. * * @param extensions a comma-separated list of filename extensions diff --git a/src/lib/ffmpeg/avio.pas b/src/lib/ffmpeg/avio.pas index 517c02ec..0a024ad5 100644 --- a/src/lib/ffmpeg/avio.pas +++ b/src/lib/ffmpeg/avio.pas @@ -122,7 +122,7 @@ type {$IFEND} (** - * Reads up to size bytes from the resource accessed by h, and stores + * Read up to size bytes from the resource accessed by h, and store * the read bytes in buf. * * @return The number of bytes actually read, or a negative value @@ -143,7 +143,7 @@ type url_write: function (h: PURLContext; {const} buf: PByteArray; size: cint): cint; cdecl; (** - * Changes the position that will be used by the next read/write + * Change the position that will be used by the next read/write * operation on the resource accessed by h. * * @param pos specifies the new position to set @@ -223,8 +223,8 @@ type {$IF LIBAVFORMAT_VERSION >= 52070000} // 52.70.0 (** - * Creates an URLContext for accessing to the resource indicated by - * url, but doesn't initiate the connection yet. + * Create a URLContext for accessing to the resource indicated by + * url, but do not initiate the connection yet. * * @param puc pointer to the location where, in case of success, the * function puts the pointer to the created URLContext @@ -245,8 +245,8 @@ function url_connect(h: PURLContext): cint; {$IF LIBAVFORMAT_VERSION >= 52021000} // 52.21.0 (** - * Creates an URLContext for accessing to the resource indicated by - * URL, and opens it using the URLProtocol up. + * Create a URLContext for accessing to the resource indicated by + * URL, and open it using the URLProtocol up. * * @param puc pointer to the location where, in case of success, the * function puts the pointer to the created URLContext @@ -265,8 +265,8 @@ function url_open_protocol(puc: PPURLContext; up: PURLProtocol; {$IFEND} (** - * Creates an URLContext for accessing to the resource indicated by - * url, and opens it. + * Create a URLContext for accessing to the resource indicated by + * url, and open it. * * @param puc pointer to the location where, in case of success, the * function puts the pointer to the created URLContext @@ -293,7 +293,7 @@ function url_seek (h: PURLContext; pos: cint64; whence: cint): cint64; cdecl; external av__format; (** - * Closes the resource accessed by the URLContext h, and frees the + * Close the resource accessed by the URLContext h, and free the * memory used by it. * * @return a negative value if an error condition occurred, 0 @@ -303,7 +303,7 @@ function url_close (h: PURLContext): cint; cdecl; external av__format; (** - * Returns a non-zero value if the resource indicated by url + * Return a non-zero value if the resource indicated by url * exists, 0 otherwise. *) {$IF LIBAVFORMAT_VERSION < 52047000} // 52.47.0 @@ -406,7 +406,7 @@ function av_protocol_next(p: PURLProtocol): PURLProtocol; {$IF LIBAVFORMAT_VERSION <= 52028000} // 52.28.0 (** - * Registers the URLProtocol protocol. + * Register the URLProtocol protocol. * * * @deprecated Use av_register_protocol() instead. @@ -500,7 +500,7 @@ function url_ftell(s: PByteIOContext): cint64; cdecl; external av__format; (** - * Gets the filesize. + * Get the filesize. * @return filesize or AVERROR *) function url_fsize(s: PByteIOContext): cint64; @@ -545,14 +545,14 @@ procedure put_flush_packet (s: PByteIOContext); cdecl; external av__format; (** - * Reads size bytes from ByteIOContext into buf. + * Read size bytes from ByteIOContext into buf. * @return number of bytes read or AVERROR *) function get_buffer(s: PByteIOContext; buf: PByteArray; size: cint): cint; cdecl; external av__format; (** - * Reads size bytes from ByteIOContext into buf. + * Read size bytes from ByteIOContext into buf. * This reads at most 1 packet. If that is not enough fewer bytes will be * returned. * @return number of bytes read or AVERROR @@ -592,7 +592,7 @@ function ff_get_v(bc: PByteIOContext): cuint64; function url_is_streamed(s: PByteIOContext): cint; {$IFDEF HasInline}inline;{$ENDIF} (** - * Creates and initializes a ByteIOContext for accessing the + * Create and initialize a ByteIOContext for accessing the * resource referenced by the URLContext h. * @note When the URLContext h has been opened in read+write mode, the * ByteIOContext can be used only for writing. @@ -626,7 +626,7 @@ function url_resetbuf(s: PByteIOContext; flags: cint): cint; {$IF LIBAVFORMAT_VERSION >= 52061000} // 52.61.0 (** - * Rewinds the ByteIOContext using the specified buffer containing the first buf_size bytes of the file. + * Rewind the ByteIOContext using the specified buffer containing the first buf_size bytes of the file. * Used after probing to avoid seeking. * Joins buf and s->buffer, taking any overlap into consideration. * @note s->buffer must overlap with buf or they can't be joined and the function fails @@ -643,7 +643,7 @@ function ff_rewind_with_probe_data(s: PByteIOContext; buf: PAnsiChar; buf_size: {$IFEND} (** - * Creates and initializes a ByteIOContext for accessing the + * Create and initialize a ByteIOContext for accessing the * resource indicated by url. * @note When the resource indicated by url has been opened in * read+write mode, the ByteIOContext can be used only for writing. @@ -723,7 +723,9 @@ function url_open_dyn_packet_buf(s: PByteIOContext; max_packet_size: cint): cint (** * Return the written size and a pointer to the buffer. The buffer - * must be freed with av_free(). + * must be freed with av_free(). If the buffer is opened with + * url_open_dyn_buf, then padding of FF_INPUT_BUFFER_PADDING_SIZE is + * added; if opened with url_open_dyn_packet_buf, no padding is added. * @param s IO context * @param pbuffer pointer to a byte buffer * @return the length of the byte buffer |