* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef AVFORMAT_H
-#define AVFORMAT_H
+#ifndef FFMPEG_AVFORMAT_H
+#define FFMPEG_AVFORMAT_H
-#define LIBAVFORMAT_VERSION_INT ((51<<16)+(12<<8)+1)
-#define LIBAVFORMAT_VERSION 51.12.1
+#define LIBAVFORMAT_VERSION_INT ((51<<16)+(15<<8)+0)
+#define LIBAVFORMAT_VERSION 51.15.0
#define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT
#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
*/
const struct AVCodecTag **codec_tag;
+ enum CodecID subtitle_codec; /**< default subtitle codec */
+
/* private fields */
struct AVOutputFormat *next;
} AVOutputFormat;
const char *long_name;
/** size of private data so that it can be allocated in the wrapper */
int priv_data_size;
- /** tell if a given file has a chance of being parsed by this format */
+ /**
+ * tell if a given file has a chance of being parsed by this format.
+ * The buffer provided is guranteed to be AVPROBE_PADDING_SIZE bytes big
+ * so you dont have to check for that unless you need more.
+ */
int (*read_probe)(AVProbeData *);
/** read the format header and initialize the AVFormatContext
structure. Return 0 if OK. 'ap' if non NULL contains
* @param stream_index must not be -1
* @param flags selects which direction should be preferred if no exact
* match is available
+ * @return >= 0 on success (but not necessarily the new offset)
*/
int (*read_seek)(struct AVFormatContext *,
int stream_index, int64_t timestamp, int flags);
*/
AVRational r_frame_rate;
void *priv_data;
-#if LIBAVFORMAT_VERSION_INT < (52<<16)
+
/* internal data used in av_find_stream_info() */
- int64_t codec_info_duration;
+ int64_t first_dts;
+#if LIBAVFORMAT_VERSION_INT < (52<<16)
int codec_info_nb_frames;
#endif
/** encoding: PTS generation when outputing stream */
- AVFrac pts;
+ struct AVFrac pts;
/**
* this is the fundamental unit of time (in seconds) in terms
/** quality, as it has been removed from AVCodecContext and put in AVVideoFrame
* MN: dunno if that is the right place for it */
float quality;
- /** decoding: pts of the first frame of the stream, in stream time base. */
+ /**
+ * decoding: pts of the first frame of the stream, in stream time base.
+ * only set this if you are absolutely 100% sure that the value you set
+ * it to really is the pts of the first frame
+ * This may be undefined (AV_NOPTS_VALUE).
+ * @note the ASF header does NOT contain a correct start_time the ASF
+ * demuxer must NOT set this
+ */
int64_t start_time;
- /** decoding: duration of the stream, in stream time base. */
+ /**
+ * decoding: duration of the stream, in stream time base.
+ * If a source file does not specify a duration, but does specify
+ * a bitrate, this value will be estimates from bit rate and file size.
+ */
int64_t duration;
char language[4]; /** ISO 639 3-letter language code (empty string if undefined) */
int64_t pts_buffer[MAX_REORDER_DELAY+1];
} AVStream;
+#define AV_PROGRAM_RUNNING 1
+
+typedef struct AVProgram {
+ int id;
+ char *provider_name; ///< Network name for DVB streams
+ char *name; ///< Service name for DVB streams
+ int flags;
+ enum AVDiscard discard; ///< selects which program to discard and which to feed to the caller
+} AVProgram;
+
#define AVFMTCTX_NOHEADER 0x0001 /**< signal that no header is present
(streams are added dynamically) */
int flags;
#define AVFMT_FLAG_GENPTS 0x0001 ///< generate pts if missing even if it requires parsing future frames
#define AVFMT_FLAG_IGNIDX 0x0002 ///< ignore index
+#define AVFMT_FLAG_NONBLOCK 0x0004 ///< do not block when reading packets from input
int loop_input;
/** decoding: size of data to probe; encoding unused */
const uint8_t *key;
int keylen;
+
+ unsigned int nb_programs;
+ AVProgram **programs;
} AVFormatContext;
typedef struct AVPacketList {
* @param id file format dependent stream id
*/
AVStream *av_new_stream(AVFormatContext *s, int id);
+AVProgram *av_new_program(AVFormatContext *s, int id);
/**
* Set the pts for a given stream.
attribute_deprecated int parse_frame_rate(int *frame_rate, int *frame_rate_base, const char *arg);
/**
- * Converts date string to number of seconds since Jan 1st, 1970.
- *
+ * Parses \p datestr and returns a corresponding number of microseconds.
+ * @param datestr String representing a date or a duration.
+ * - If a date the syntax is:
* @code
- * Syntax:
- * - If not a duration:
* [{YYYY-MM-DD|YYYYMMDD}]{T| }{HH[:MM[:SS[.m...]]][Z]|HH[MM[SS[.m...]]][Z]}
- * Time is localtime unless Z is suffixed to the end. In this case GMT
- * Return the date in micro seconds since 1970
- *
- * - If a duration:
- * HH[:MM[:SS[.m...]]]
- * S+[.m...]
* @endcode
+ * Time is localtime unless Z is appended, in which case it is
+ * interpreted as UTC.
+ * If the year-month-day part isn't 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
+ * successfully parsed.
+ * - If a duration the syntax is:
+ * @code
+ * [-]HH[:MM[:SS[.m...]]]
+ * [-]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
+ * succesfully parsed.
+ * @param duration Flag which tells how to interpret \p datestr, if
+ * not zero \p datestr is interpreted as a duration, otherwise as a
+ * date.
*/
int64_t parse_date(const char *datestr, int duration);
*/
int av_filename_number_test(const char *filename);
-/* grab specific */
-int video_grab_init(void);
-int audio_init(void);
-
-/* DV1394 */
-int dv1394_init(void);
-int dc1394_init(void);
+/**
+ * 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
+ * multiple AVStreams (one AVStream per RTP stream). Otherwise,
+ * all the contexts in the array (an AVCodecContext per RTP stream)
+ * must contain only one AVStream
+ * @param n_files number of AVCodecContexts contained in ac
+ * @param buff buffer where the SDP will be stored (must be allocated by
+ * the caller
+ * @param size the size of the buffer
+ * @return 0 if OK. AVERROR_xxx if error.
+ */
+int avf_sdp_create(AVFormatContext *ac[], int n_files, char *buff, int size);
#ifdef HAVE_AV_CONFIG_H
#include "os_support.h"
-int strstart(const char *str, const char *val, const char **ptr);
-int stristart(const char *str, const char *val, const char **ptr);
-void pstrcpy(char *buf, int buf_size, const char *str);
-char *pstrcat(char *buf, int buf_size, const char *s);
-
void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem);
#ifdef __GNUC__
#endif /* HAVE_AV_CONFIG_H */
-#endif /* AVFORMAT_H */
-
+#endif /* FFMPEG_AVFORMAT_H */
projects / ffmpeg / blobdiff