From 310f326b4354d7353850e00393aeecada3c3c2c0 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Fri, 17 May 2019 00:30:02 +0200 Subject: [PATCH] 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 --- libavformat/matroskadec.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 2b0112f2137..0525a65dbd1 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; -- 2.39.5