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| author | Nicolas George <george@nsup.org> | 2019-07-19 14:22:15 +0200 |
|---|---|---|
| committer | Nicolas George <george@nsup.org> | 2019-08-13 15:38:57 +0200 |
| commit | 3add65e052cf3511b284d53e73f986a6768e5486 (patch) | |
| tree | 10b9339024c92641ae61abe881c0e9d5e5f5515a | |
| parent | 6e1a2dc11236fb04acf35bde647872eb4f3ded9c (diff) | |
| download | ffmpeg-3add65e052cf3511b284d53e73f986a6768e5486.tar.gz | |
lavf/concat: implement FFSEEK_SIZE.
| -rw-r--r-- | libavformat/concat.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavformat/concat.c b/libavformat/concat.c index 19c83c309a..ea3bc1dfde 100644 --- a/libavformat/concat.c +++ b/libavformat/concat.c @@ -38,6 +38,7 @@ struct concat_data { struct concat_nodes *nodes; ///< list of nodes to concat size_t length; ///< number of cat'ed nodes size_t current; ///< index of currently read node + uint64_t total_size; }; static av_cold int concat_close(URLContext *h) @@ -59,7 +60,7 @@ static av_cold int concat_open(URLContext *h, const char *uri, int flags) { char *node_uri = NULL; int err = 0; - int64_t size; + int64_t size, total_size = 0; size_t len, i; URLContext *uc; struct concat_data *data = h->priv_data; @@ -112,6 +113,7 @@ static av_cold int concat_open(URLContext *h, const char *uri, int flags) /* assembling */ nodes[i].uc = uc; nodes[i].size = size; + total_size += size; } av_free(node_uri); data->length = i; @@ -123,6 +125,7 @@ static av_cold int concat_open(URLContext *h, const char *uri, int flags) err = AVERROR(ENOMEM); } else data->nodes = nodes; + data->total_size = total_size; return err; } @@ -158,6 +161,8 @@ static int64_t concat_seek(URLContext *h, int64_t pos, int whence) struct concat_nodes *nodes = data->nodes; size_t i; + if ((whence & AVSEEK_SIZE)) + return data->total_size; switch (whence) { case SEEK_END: for (i = data->length - 1; i && pos < -nodes[i].size; i--) |