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https://gitee.com/openharmony/third_party_ffmpeg
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lavf doxy: add misc utility functions to a group.
This commit is contained in:
Anton Khirnov
parent
c8dffc02fd
commit
abf2c2d787
@ -1212,79 +1212,12 @@ AVProgram *av_new_program(AVFormatContext *s, int id);
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attribute_deprecated enum CodecID av_guess_image2_codec(const char *filename);
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#endif
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/**
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* Send a nice hexadecimal dump of a buffer to the specified file stream.
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*
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* @param f The file stream pointer where the dump should be sent to.
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* @param buf buffer
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* @param size buffer size
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*
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* @see av_hex_dump_log, av_pkt_dump2, av_pkt_dump_log2
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*/
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void av_hex_dump(FILE *f, uint8_t *buf, int size);
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/**
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* Send a nice hexadecimal dump of a buffer to the log.
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*
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* @param avcl A pointer to an arbitrary struct of which the first field is a
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* pointer to an AVClass struct.
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* @param level The importance level of the message, lower values signifying
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* higher importance.
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* @param buf buffer
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* @param size buffer size
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*
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* @see av_hex_dump, av_pkt_dump2, av_pkt_dump_log2
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*/
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void av_hex_dump_log(void *avcl, int level, uint8_t *buf, int size);
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/**
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* Send a nice dump of a packet to the specified file stream.
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*
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* @param f The file stream pointer where the dump should be sent to.
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* @param pkt packet to dump
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* @param dump_payload True if the payload must be displayed, too.
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* @param st AVStream that the packet belongs to
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*/
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void av_pkt_dump2(FILE *f, AVPacket *pkt, int dump_payload, AVStream *st);
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/**
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* Send a nice dump of a packet to the log.
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*
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* @param avcl A pointer to an arbitrary struct of which the first field is a
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* pointer to an AVClass struct.
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* @param level The importance level of the message, lower values signifying
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* higher importance.
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* @param pkt packet to dump
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* @param dump_payload True if the payload must be displayed, too.
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* @param st AVStream that the packet belongs to
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*/
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void av_pkt_dump_log2(void *avcl, int level, AVPacket *pkt, int dump_payload,
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AVStream *st);
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#if FF_API_PKT_DUMP
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attribute_deprecated void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload);
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attribute_deprecated void av_pkt_dump_log(void *avcl, int level, AVPacket *pkt,
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int dump_payload);
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#endif
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/**
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* Get the CodecID for the given codec tag tag.
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* If no codec id is found returns CODEC_ID_NONE.
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*
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* @param tags list of supported codec_id-codec_tag pairs, as stored
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* in AVInputFormat.codec_tag and AVOutputFormat.codec_tag
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*/
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enum CodecID av_codec_get_id(const struct AVCodecTag * const *tags, unsigned int tag);
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/**
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* Get the codec tag for the given codec id id.
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* If no codec tag is found returns 0.
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*
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* @param tags list of supported codec_id-codec_tag pairs, as stored
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* in AVInputFormat.codec_tag and AVOutputFormat.codec_tag
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*/
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unsigned int av_codec_get_tag(const struct AVCodecTag * const *tags, enum CodecID id);
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/**
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* @addtogroup lavf_decoding
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@ -1599,27 +1532,6 @@ void av_set_pts_info(AVStream *s, int pts_wrap_bits,
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#define AVSEEK_FLAG_ANY 4 ///< seek to any frame, even non-keyframes
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#define AVSEEK_FLAG_FRAME 8 ///< seeking based on frame number
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int av_find_default_stream_index(AVFormatContext *s);
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/**
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* Get the index for a specific timestamp.
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* @param flags if AVSEEK_FLAG_BACKWARD then the returned index will correspond
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* to the timestamp which is <= the requested one, if backward
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* is 0, then it will be >=
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* if AVSEEK_FLAG_ANY seek to any frame, only keyframes otherwise
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* @return < 0 if no such timestamp could be found
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*/
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int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags);
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/**
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* Add an index entry into a sorted list. Update the entry if the list
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* already contains it.
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*
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* @param timestamp timestamp in the time base of the given stream
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*/
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int av_add_index_entry(AVStream *st, int64_t pos, int64_t timestamp,
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int size, int distance, int flags);
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#if FF_API_SEEK_PUBLIC
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attribute_deprecated
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int av_seek_frame_binary(AVFormatContext *s, int stream_index,
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@ -1642,31 +1554,6 @@ int64_t av_gen_search(AVFormatContext *s, int stream_index,
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attribute_deprecated int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
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#endif
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/**
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* Split a URL string into components.
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*
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* The pointers to buffers for storing individual components may be null,
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* in order to ignore that component. Buffers for components not found are
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* set to empty strings. If the port is not found, it is set to a negative
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* value.
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*
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* @param proto the buffer for the protocol
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* @param proto_size the size of the proto buffer
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* @param authorization the buffer for the authorization
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* @param authorization_size the size of the authorization buffer
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* @param hostname the buffer for the host name
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* @param hostname_size the size of the hostname buffer
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* @param port_ptr a pointer to store the port number in
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* @param path the buffer for the path
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* @param path_size the size of the path buffer
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* @param url the URL to split
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*/
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void av_url_split(char *proto, int proto_size,
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char *authorization, int authorization_size,
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char *hostname, int hostname_size,
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int *port_ptr,
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char *path, int path_size,
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const char *url);
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/**
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* @addtogroup lavf_encoding
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* @{
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@ -1790,6 +1677,132 @@ enum CodecID av_guess_codec(AVOutputFormat *fmt, const char *short_name,
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* @}
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*/
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/**
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* @defgroup lavf_misc Utility functions
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* @ingroup libavf
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* @{
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*
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* Miscelaneous utility functions related to both muxing and demuxing
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* (or neither).
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*/
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/**
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* Send a nice hexadecimal dump of a buffer to the specified file stream.
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*
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* @param f The file stream pointer where the dump should be sent to.
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* @param buf buffer
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* @param size buffer size
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*
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* @see av_hex_dump_log, av_pkt_dump2, av_pkt_dump_log2
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*/
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void av_hex_dump(FILE *f, uint8_t *buf, int size);
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/**
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* Send a nice hexadecimal dump of a buffer to the log.
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*
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* @param avcl A pointer to an arbitrary struct of which the first field is a
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* pointer to an AVClass struct.
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* @param level The importance level of the message, lower values signifying
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* higher importance.
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* @param buf buffer
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* @param size buffer size
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*
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* @see av_hex_dump, av_pkt_dump2, av_pkt_dump_log2
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*/
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void av_hex_dump_log(void *avcl, int level, uint8_t *buf, int size);
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/**
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* Send a nice dump of a packet to the specified file stream.
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*
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* @param f The file stream pointer where the dump should be sent to.
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* @param pkt packet to dump
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* @param dump_payload True if the payload must be displayed, too.
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* @param st AVStream that the packet belongs to
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*/
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void av_pkt_dump2(FILE *f, AVPacket *pkt, int dump_payload, AVStream *st);
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/**
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* Send a nice dump of a packet to the log.
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*
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* @param avcl A pointer to an arbitrary struct of which the first field is a
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* pointer to an AVClass struct.
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* @param level The importance level of the message, lower values signifying
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* higher importance.
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* @param pkt packet to dump
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* @param dump_payload True if the payload must be displayed, too.
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* @param st AVStream that the packet belongs to
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*/
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void av_pkt_dump_log2(void *avcl, int level, AVPacket *pkt, int dump_payload,
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AVStream *st);
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/**
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* Get the CodecID for the given codec tag tag.
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* If no codec id is found returns CODEC_ID_NONE.
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*
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* @param tags list of supported codec_id-codec_tag pairs, as stored
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* in AVInputFormat.codec_tag and AVOutputFormat.codec_tag
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*/
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enum CodecID av_codec_get_id(const struct AVCodecTag * const *tags, unsigned int tag);
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/**
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* Get the codec tag for the given codec id id.
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* If no codec tag is found returns 0.
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*
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* @param tags list of supported codec_id-codec_tag pairs, as stored
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* in AVInputFormat.codec_tag and AVOutputFormat.codec_tag
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*/
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unsigned int av_codec_get_tag(const struct AVCodecTag * const *tags, enum CodecID id);
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int av_find_default_stream_index(AVFormatContext *s);
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/**
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* Get the index for a specific timestamp.
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* @param flags if AVSEEK_FLAG_BACKWARD then the returned index will correspond
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* to the timestamp which is <= the requested one, if backward
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* is 0, then it will be >=
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* if AVSEEK_FLAG_ANY seek to any frame, only keyframes otherwise
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* @return < 0 if no such timestamp could be found
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*/
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int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags);
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/**
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* Add an index entry into a sorted list. Update the entry if the list
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* already contains it.
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*
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* @param timestamp timestamp in the time base of the given stream
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*/
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int av_add_index_entry(AVStream *st, int64_t pos, int64_t timestamp,
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int size, int distance, int flags);
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/**
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* Split a URL string into components.
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*
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* The pointers to buffers for storing individual components may be null,
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* in order to ignore that component. Buffers for components not found are
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* set to empty strings. If the port is not found, it is set to a negative
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* value.
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*
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* @param proto the buffer for the protocol
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* @param proto_size the size of the proto buffer
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* @param authorization the buffer for the authorization
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* @param authorization_size the size of the authorization buffer
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* @param hostname the buffer for the host name
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* @param hostname_size the size of the hostname buffer
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* @param port_ptr a pointer to store the port number in
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* @param path the buffer for the path
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* @param path_size the size of the path buffer
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* @param url the URL to split
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*/
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void av_url_split(char *proto, int proto_size,
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char *authorization, int authorization_size,
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char *hostname, int hostname_size,
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int *port_ptr,
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char *path, int path_size,
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const char *url);
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#if FF_API_DUMP_FORMAT
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attribute_deprecated void dump_format(AVFormatContext *ic,
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int index,
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@ -1887,4 +1900,8 @@ int av_match_ext(const char *filename, const char *extensions);
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*/
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int avformat_query_codec(AVOutputFormat *ofmt, enum CodecID codec_id, int std_compliance);
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/**
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* @}
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*/
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#endif /* AVFORMAT_AVFORMAT_H */
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