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author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2019-05-17 01:30:02 +0300 |
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committer | James Almer <jamrial@gmail.com> | 2019-07-16 22:16:57 +0300 |
commit | 310f326b4354d7353850e00393aeecada3c3c2c0 (patch) | |
tree | bcbee043be8dfb23ccb0b84e5294eb79961523fb | |
parent | 27f40b1dcdff426ed25e7c690ec907d18239ff49 (diff) |
avformat/matroskadec: Add function to reset status
This function will be useful later to reset the status (e.g. current
level and the already parsed id).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
-rw-r--r-- | libavformat/matroskadec.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 2b0112f213..0525a65dbd 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -739,6 +739,25 @@ static const char *const matroska_doctypes[] = { "matroska", "webm" }; static int matroska_read_close(AVFormatContext *s); +/* + * This function prepares the status for parsing of level 1 elements. + */ +static int matroska_reset_status(MatroskaDemuxContext *matroska, + uint32_t id, int64_t position) +{ + if (position >= 0) { + int err = avio_seek(matroska->ctx->pb, position, SEEK_SET); + if (err < 0) + return err; + } + + matroska->current_id = id; + matroska->num_levels = 1; + matroska->current_cluster.pos = 0; + + return 0; +} + static int matroska_resync(MatroskaDemuxContext *matroska, int64_t last_pos) { AVIOContext *pb = matroska->ctx->pb; |