#define AVFORMAT_AVFORMAT_H
#define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 31
-#define LIBAVFORMAT_VERSION_MICRO 1
+#define LIBAVFORMAT_VERSION_MINOR 48
+#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
/**
- * Returns the LIBAVFORMAT_VERSION_INT constant.
+ * I return the LIBAVFORMAT_VERSION_INT constant. You got
+ * a fucking problem with that, douchebag?
*/
unsigned avformat_version(void);
+/**
+ * Returns the libavformat build-time configuration.
+ */
+const char *avformat_configuration(void);
+
+/**
+ * Returns the libavformat license.
+ */
+const char *avformat_license(void);
+
#include <time.h>
#include <stdio.h> /* FILE */
#include "libavcodec/avcodec.h"
* want to store, e.g., the email address of the child of producer Alice
* and actor Bob, that could have key=alice_and_bobs_childs_email_address.
* 3. A tag whose value is localized for a particular language is appended
- * with a dash character ('-') and the ISO 639 3-letter language code.
+ * with a dash character ('-') and the ISO 639-2/B 3-letter language code.
* For example: Author-ger=Michael, Author-eng=Mike
* The original/default language is in the unqualified "Author" tag.
* A demuxer should set a default if it sets any translated tag.
#define AV_METADATA_MATCH_CASE 1
#define AV_METADATA_IGNORE_SUFFIX 2
+#define AV_METADATA_DONT_STRDUP_KEY 4
+#define AV_METADATA_DONT_STRDUP_VAL 8
typedef struct {
char *key;
AVMetadataTag *
av_metadata_get(AVMetadata *m, const char *key, const AVMetadataTag *prev, int flags);
+#if LIBAVFORMAT_VERSION_MAJOR == 52
/**
* Sets the given tag in m, overwriting an existing tag.
* @param key tag key to add to m (will be av_strduped)
* @return >= 0 on success otherwise an error code <0
*/
int av_metadata_set(AVMetadata **pm, const char *key, const char *value);
+#endif
/**
- * Convert all the metadata sets from ctx according to the source and
+ * Sets 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)
+ * @return >= 0 on success otherwise an error code <0
+ */
+int av_metadata_set2(AVMetadata **pm, const char *key, const char *value, int flags);
+
+/**
+ * Converts all the metadata sets from ctx according to the source and
* destination conversion tables.
* @param d_conv destination tags format conversion table
* @param s_conv source tags format conversion table
/* packet functions */
-typedef struct AVPacket {
- /**
- * Presentation timestamp in time_base units; the time at which the
- * decompressed packet will be presented to the user.
- * Can be AV_NOPTS_VALUE if it is not stored in the file.
- * pts MUST be larger or equal to dts as presentation cannot happen before
- * decompression, unless one wants to view hex dumps. Some formats misuse
- * the terms dts and pts/cts to mean something different. Such timestamps
- * must be converted to true pts/dts before they are stored in AVPacket.
- */
- int64_t pts;
- /**
- * Decompression timestamp in time_base units; the time at which the
- * packet is decompressed.
- * Can be AV_NOPTS_VALUE if it is not stored in the file.
- */
- int64_t dts;
- uint8_t *data;
- int size;
- int stream_index;
- int flags;
- /**
- * Duration of this packet in time_base units, 0 if unknown.
- * Equals next_pts - this_pts in presentation order.
- */
- int duration;
- void (*destruct)(struct AVPacket *);
- void *priv;
- int64_t pos; ///< byte position in stream, -1 if unknown
-
- /**
- * Time difference in stream time base units from the pts of this
- * packet to the point at which the output from the decoder has converged
- * independent from the availability of previous frames. That is, the
- * frames are virtually identical no matter if decoding started from
- * the very first frame or from this keyframe.
- * Is AV_NOPTS_VALUE if unknown.
- * This field is not the display duration of the current packet.
- *
- * The purpose of this field is to allow seeking in streams that have no
- * keyframes in the conventional sense. It corresponds to the
- * recovery point SEI in H.264 and match_time_delta in NUT. It is also
- * essential for some types of subtitle streams to ensure that all
- * subtitles are correctly displayed after seeking.
- */
- int64_t convergence_duration;
-} AVPacket;
-#define PKT_FLAG_KEY 0x0001
-
-void av_destruct_packet_nofree(AVPacket *pkt);
-
-/**
- * Default packet destructor.
- */
-void av_destruct_packet(AVPacket *pkt);
/**
- * Initialize optional fields of a packet with default values.
- *
- * @param pkt packet
- */
-void av_init_packet(AVPacket *pkt);
-
-/**
- * Allocate the payload of a packet and initialize its fields with
- * default values.
- *
- * @param pkt packet
- * @param size wanted payload size
- * @return 0 if OK, AVERROR_xxx otherwise
- */
-int av_new_packet(AVPacket *pkt, int size);
-
-/**
- * Allocate and read the payload of a packet and initialize its fields with
- * default values.
+ * Allocates and reads the payload of a packet and initializes its
+ * fields with default values.
*
* @param pkt packet
* @param size desired payload size
*/
int av_get_packet(ByteIOContext *s, AVPacket *pkt, int size);
-/**
- * @warning This is a hack - the packet memory allocation stuff is broken. The
- * packet is allocated if it was not really allocated.
- */
-int av_dup_packet(AVPacket *pkt);
-
-/**
- * Free a packet.
- *
- * @param pkt packet to free
- */
-static inline void av_free_packet(AVPacket *pkt)
-{
- if (pkt && pkt->destruct) {
- pkt->destruct(pkt);
- }
-}
/*************************************************/
/* fractional numbers for exact pts handling */
/** This structure contains the data a format has to probe a file. */
typedef struct AVProbeData {
const char *filename;
- unsigned char *buf;
- int buf_size;
+ unsigned char *buf; /**< Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero. */
+ int buf_size; /**< Size of buf except extra allocated bytes */
} AVProbeData;
#define AVPROBE_SCORE_MAX 100 ///< maximum score, half of that is used for file-extension-based detection
const char *name;
/**
* Descriptive name for the format, meant to be more human-readable
- * than \p name. You \e should use the NULL_IF_CONFIG_SMALL() macro
+ * than name. You should use the NULL_IF_CONFIG_SMALL() macro
* to define it.
*/
const char *long_name;
const char *name;
/**
* Descriptive name for the format, meant to be more human-readable
- * than \p name. You \e should use the NULL_IF_CONFIG_SMALL() macro
+ * than name. You should use the NULL_IF_CONFIG_SMALL() macro
* to define it.
*/
const char *long_name;
AVFormatParameters *ap);
/** Read one packet and put it in 'pkt'. pts and flags are also
set. 'av_new_stream' can be called only if the flag
- AVFMTCTX_NOHEADER is used. */
+ AVFMTCTX_NOHEADER is used.
+ @return 0 on success, < 0 on error.
+ When returning an error, pkt must not have been allocated
+ or must be freed before returning */
int (*read_packet)(struct AVFormatContext *, AVPacket *pkt);
/** Close the stream. The AVFormatContext and AVStreams are not
freed by this function */
/** General purpose read-only value that the format can use. */
int value;
- /** Start/resume playing - only meaningful if using a network-based format
+ /** Starts/resumes playing - only meaningful if using a network-based format
(RTSP). */
int (*read_play)(struct AVFormatContext *);
- /** Pause playing - only meaningful if using a network-based format
+ /** Pauses playing - only meaningful if using a network-based format
(RTSP). */
int (*read_pause)(struct AVFormatContext *);
const struct AVCodecTag * const *codec_tag;
/**
- * Seek to timestamp ts.
+ * Seeks 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.
int64_t duration;
#if LIBAVFORMAT_VERSION_INT < (53<<16)
- char language[4]; /** ISO 639 3-letter language code (empty string if undefined) */
+ char language[4]; /** ISO 639-2/B 3-letter language code (empty string if undefined) */
#endif
/* av_read_frame() support */
* AV_NOPTS_VALUE by default.
*/
int64_t reference_dts;
+
+ /**
+ * Number of packets to buffer for codec probing
+ * NOT PART OF PUBLIC API
+ */
+#define MAX_PROBE_PACKETS 2500
+ int probe_packets;
+
+ /**
+ * last packet in packet_buffer for this stream when muxing.
+ * used internally, NOT PART OF PUBLIC API, dont read or write from outside of libav*
+ */
+ struct AVPacketList *last_in_packet_buffer;
+
+ /**
+ * Average framerate
+ */
+ AVRational avg_frame_rate;
} AVStream;
#define AV_PROGRAM_RUNNING 1
AVMetadata *metadata;
} AVChapter;
+#if LIBAVFORMAT_VERSION_MAJOR < 53
#define MAX_STREAMS 20
+#else
+#define MAX_STREAMS 100
+#endif
/**
* Format I/O context.
int index_built;
int mux_rate;
- int packet_size;
+ unsigned int packet_size;
int preload;
int max_delay;
struct AVPacketList *packet_buffer_end;
AVMetadata *metadata;
+
+ /**
+ * Remaining size available for raw_packet_buffer, in bytes.
+ * NOT PART OF PUBLIC API
+ */
+#define RAW_PACKET_BUFFER_SIZE 2500000
+ int raw_packet_buffer_remaining_size;
} AVFormatContext;
typedef struct AVPacketList {
/* utils.c */
void av_register_input_format(AVInputFormat *format);
void av_register_output_format(AVOutputFormat *format);
-AVOutputFormat *guess_stream_format(const char *short_name,
+#if LIBAVFORMAT_VERSION_MAJOR < 53
+attribute_deprecated AVOutputFormat *guess_stream_format(const char *short_name,
const char *filename,
const char *mime_type);
-AVOutputFormat *guess_format(const char *short_name,
- const char *filename,
- const char *mime_type);
+
+/**
+ * @deprecated Use av_guess_format() instead.
+ */
+attribute_deprecated AVOutputFormat *guess_format(const char *short_name,
+ const char *filename,
+ const char *mime_type);
+#endif
+
+/**
+ * Returns the output format in the list of registered output formats
+ * which best matches the provided parameters, or returns NULL if
+ * there is no match.
+ *
+ * @param short_name if non-NULL checks if short_name matches with the
+ * names of the registered formats
+ * @param filename if non-NULL checks if filename terminates with the
+ * extensions of the registered formats
+ * @param mime_type if non-NULL checks if mime_type matches with the
+ * MIME type of the registered formats
+ */
+AVOutputFormat *av_guess_format(const char *short_name,
+ const char *filename,
+ const char *mime_type);
/**
* Guesses the codec ID based upon muxer and filename.
enum CodecType type);
/**
- * Send a nice hexadecimal dump of a buffer to the specified file stream.
+ * Sends 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
void av_hex_dump(FILE *f, uint8_t *buf, int size);
/**
- * Send a nice hexadecimal dump of a buffer to the log.
+ * Sends 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.
void av_hex_dump_log(void *avcl, int level, uint8_t *buf, int size);
/**
- * Send a nice dump of a packet to the specified file stream.
+ * Sends 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
void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload);
/**
- * Send a nice dump of a packet to the log.
+ * Sends 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.
void av_pkt_dump_log(void *avcl, int level, AVPacket *pkt, int dump_payload);
/**
- * Initialize libavformat and register all the muxers, demuxers and
+ * Initializes libavformat and registers all the muxers, demuxers and
* protocols. If you do not call this function, then you can select
* exactly which formats you want to support.
*
AVInputFormat *av_find_input_format(const char *short_name);
/**
- * Guess file format.
+ * Guesses the file format.
*
* @param is_opened Whether the file is already opened; determines whether
* demuxers with or without AVFMT_NOFILE are probed.
AVInputFormat *fmt, AVFormatParameters *ap);
/**
- * Open a media file as input. The codecs are not opened. Only the file
+ * Opens 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.
#endif
/**
- * Allocate an AVFormatContext.
+ * Allocates an AVFormatContext.
* Can be freed with av_free() but do not forget to free everything you
* explicitly allocated as well!
*/
AVFormatContext *avformat_alloc_context(void);
/**
- * Read packets of a media file to get stream information. This
+ * Reads 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.
int av_find_stream_info(AVFormatContext *ic);
/**
- * Read a transport packet from a media file.
+ * Reads a transport packet from a media file.
*
* This function is obsolete and should never be used.
* Use av_read_frame() instead.
int av_read_packet(AVFormatContext *s, AVPacket *pkt);
/**
- * Return the next frame of a stream.
+ * Returns the next frame of a stream.
*
* The returned packet is valid
* until the next av_read_frame() or until av_close_input_file() and
int av_read_frame(AVFormatContext *s, AVPacket *pkt);
/**
- * Seek to the keyframe at timestamp.
+ * Seeks 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
int flags);
/**
- * Seek to timestamp ts.
+ * Seeks 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.
int avformat_seek_file(AVFormatContext *s, int stream_index, int64_t min_ts, int64_t ts, int64_t max_ts, int flags);
/**
- * Start playing a network-based stream (e.g. RTSP stream) at the
+ * Starts playing a network-based stream (e.g. RTSP stream) at the
* current position.
*/
int av_read_play(AVFormatContext *s);
/**
- * Pause a network-based stream (e.g. RTSP stream).
+ * Pauses a network-based stream (e.g. RTSP stream).
*
* Use av_read_play() to resume it.
*/
int av_read_pause(AVFormatContext *s);
/**
- * Free a AVFormatContext allocated by av_open_input_stream.
+ * Frees a AVFormatContext allocated by av_open_input_stream.
* @param s context to free
*/
void av_close_input_stream(AVFormatContext *s);
/**
- * Close a media file (but not its codecs).
+ * Closes a media file (but not its codecs).
*
* @param s media file handle
*/
void av_close_input_file(AVFormatContext *s);
/**
- * Add a new stream to a media file.
+ * Adds 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
AVProgram *av_new_program(AVFormatContext *s, int id);
/**
- * Add a new chapter.
+ * Adds a new chapter.
* This function is NOT part of the public API
* and should ONLY be used by demuxers.
*
int64_t start, int64_t end, const char *title);
/**
- * Set the pts for a given stream.
+ * Sets the pts for a given stream.
*
* @param s stream
* @param pts_wrap_bits number of bits effectively used by the pts
* @param pts_den denominator to convert to seconds (MPEG: 90000)
*/
void av_set_pts_info(AVStream *s, int pts_wrap_bits,
- int pts_num, int pts_den);
+ unsigned int pts_num, unsigned int pts_den);
#define AVSEEK_FLAG_BACKWARD 1 ///< seek backward
#define AVSEEK_FLAG_BYTE 2 ///< seeking based on position in bytes
#define AVSEEK_FLAG_ANY 4 ///< seek to any frame, even non-keyframes
+#define AVSEEK_FLAG_FRAME 8 ///< seeking based on frame number
int av_find_default_stream_index(AVFormatContext *s);
void ff_reduce_index(AVFormatContext *s, int stream_index);
/**
- * Add an index entry into a sorted list. Update the entry if the list
+ * Adds an index entry into a sorted list. Updates the entry if the list
* already contains it.
*
* @param timestamp timestamp in the time base of the given stream
int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
/**
- * Allocate the stream private data and write the stream header to an
+ * Allocates the stream private data and writes the stream header to an
* output media file.
*
* @param s media file handle
int av_write_header(AVFormatContext *s);
/**
- * Write a packet to an output media file.
+ * Writes 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
int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt);
/**
- * Interleave a packet per dts in an output media file.
+ * Interleaves 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()
AVPacket *pkt, int flush);
/**
- * @brief Write the stream trailer to an output media file and
- * free the file private data.
+ * Writes the stream trailer to an output media file and frees the
+ * file private data.
*
* May only be called after a successful call to av_write_header.
*
#endif
/**
- * Parses \p datestr and returns a corresponding number of microseconds.
+ * Parses datestr and returns a corresponding number of microseconds.
* @param datestr String representing a date or a duration.
* - If a date the syntax is:
* @code
* If the year-month-day part is not specified it takes the current
* year-month-day.
* Returns the number of microseconds since 1st of January, 1970 up to
- * the time of the parsed date or INT64_MIN if \p datestr cannot be
+ * the time of the parsed date or INT64_MIN if datestr cannot be
* successfully parsed.
* - If a duration the syntax is:
* @code
* [-]S+[.m...]
* @endcode
* Returns the number of microseconds contained in a time interval
- * with the specified duration or INT64_MIN if \p datestr cannot be
+ * with the specified duration or INT64_MIN if datestr cannot be
* successfully parsed.
- * @param duration Flag which tells how to interpret \p datestr, if
- * not zero \p datestr is interpreted as a duration, otherwise as a
+ * @param duration Flag which tells how to interpret datestr, if
+ * not zero datestr is interpreted as a duration, otherwise as a
* date.
*/
int64_t parse_date(const char *datestr, int duration);
const char *path, int number);
/**
- * Check whether filename actually is a numbered sequence generator.
+ * Checks whether filename actually is a numbered sequence generator.
*
* @param filename possible numbered sequence string
* @return 1 if a valid numbered sequence string, 0 otherwise
int av_filename_number_test(const char *filename);
/**
- * Generate an SDP for an RTP session.
+ * Generates 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
struct tm *dt);
struct in_addr;
-int resolve_host(struct in_addr *sin_addr, const char *hostname);
+/* Deprecated, use getaddrinfo instead. */
+attribute_deprecated int resolve_host(struct in_addr *sin_addr, const char *hostname);
void url_split(char *proto, int proto_size,
char *authorization, int authorization_size,
char *path, int path_size,
const char *url);
-int match_ext(const char *filename, const char *extensions);
+#if LIBAVFORMAT_VERSION_MAJOR < 53
+/**
+ * @deprecated Use av_match_ext() instead.
+ */
+attribute_deprecated int match_ext(const char *filename, const char *extensions);
+#endif
+
+/**
+ * Returns a positive value if the given filename has one of the given
+ * extensions, 0 otherwise.
+ *
+ * @param extensions a comma-separated list of filename extensions
+ */
+int av_match_ext(const char *filename, const char *extensions);
#endif /* HAVE_AV_CONFIG_H */