#define AVFORMAT_AVFORMAT_H
#define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 35
-#define LIBAVFORMAT_VERSION_MICRO 0
+#define LIBAVFORMAT_VERSION_MINOR 39
+#define LIBAVFORMAT_VERSION_MICRO 2
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
int av_metadata_set(AVMetadata **pm, const char *key, const char *value);
/**
- * Convert all the metadata sets from ctx according to the source and
+ * 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
/**
- * 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
/** 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
/** 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.
* Number of packets to buffer for codec probing
* NOT PART OF PUBLIC API
*/
-#define MAX_PROBE_PACKETS 100
+#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;
} AVStream;
#define AV_PROGRAM_RUNNING 1
* Remaining size available for raw_packet_buffer, in bytes.
* NOT PART OF PUBLIC API
*/
-#define RAW_PACKET_BUFFER_SIZE 32000
+#define RAW_PACKET_BUFFER_SIZE 2500000
int raw_packet_buffer_remaining_size;
} AVFormatContext;
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.
*
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
projects / ffmpeg / blobdiff