diff options
| -rw-r--r-- | doc/APIchanges | 4 | ||||
| -rw-r--r-- | libavformat/avformat.h | 22 | ||||
| -rw-r--r-- | libavformat/version.h | 2 |
3 files changed, 27 insertions, 1 deletions
diff --git a/doc/APIchanges b/doc/APIchanges index b7961ae6da..79b684501e 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -15,6 +15,10 @@ libavutil: 2014-08-09 API changes, most recent first: +2014-xx-xx - xxxxxxx - lavf 56.01.0 - avformat.h + Add AVFormatContext.event_flags and AVStream.event_flags for signaling to + the user when events happen in the file/stream. + 2014-04-xx - xxxxxxx - lavr 2.1.0 - avresample.h Add avresample_convert_frame() and avresample_config(). diff --git a/libavformat/avformat.h b/libavformat/avformat.h index a4f7ed7ca8..f6fb5a36a5 100644 --- a/libavformat/avformat.h +++ b/libavformat/avformat.h @@ -298,6 +298,11 @@ struct AVDeviceCapabilitiesQuery; * - sorting -- a modified version of a tag that should be used for * sorting will have '-sort' appended. E.g. artist="The Beatles", * artist-sort="Beatles, The". + * - Some protocols and demuxers support metadata updates. After a successful + * call to av_read_packet(), AVFormatContext.event_flags or AVStream.event_flags + * will be updated to indicate if metadata changed. In order to detect metadata + * changes on a stream, you need to loop through all streams in the AVFormatContext + * and check their individual event_flags. * * - Demuxers attempt to export metadata in a generic format, however tags * with no generic equivalents are left as they are stored in the container. @@ -892,6 +897,14 @@ typedef struct AVStream { */ int nb_side_data; + /** + * Flags for the user to detect events happening on the stream. Flags must + * be cleared by the user once the event has been handled. + * A combination of AVSTREAM_EVENT_FLAG_*. + */ + int event_flags; +#define AVSTREAM_EVENT_FLAG_METADATA_UPDATED 0x0001 ///< The call resulted in updated metadata. + /***************************************************************** * All fields below this line are not part of the public API. They * may not be used outside of libavformat and can be changed and @@ -1434,6 +1447,15 @@ typedef struct AVFormatContext { int strict_std_compliance; /** + * Flags for the user to detect events happening on the file. Flags must + * be cleared by the user once the event has been handled. + * A combination of AVFMT_EVENT_FLAG_*. + */ + int event_flags; +#define AVFMT_EVENT_FLAG_METADATA_UPDATED 0x0001 ///< The call resulted in updated metadata. + + + /** * Transport stream id. * This will be moved into demuxer private options. Thus no API/ABI compatibility */ diff --git a/libavformat/version.h b/libavformat/version.h index 1cbb889707..c09bd88303 100644 --- a/libavformat/version.h +++ b/libavformat/version.h @@ -30,7 +30,7 @@ #include "libavutil/version.h" #define LIBAVFORMAT_VERSION_MAJOR 56 -#define LIBAVFORMAT_VERSION_MINOR 0 +#define LIBAVFORMAT_VERSION_MINOR 1 #define LIBAVFORMAT_VERSION_MICRO 100 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ |