lavf: add output_ts_offset option to AVFormatContext

This option can be generally useful to set an output offset, needed when
setting an absolute index in the output.

1 files changed, 5 insertions, 0 deletions

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 76b0652cec..50b710816b 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -1380,6 +1380,11 @@ typedef struct AVFormatContext {
      */
     av_format_control_message control_message_cb;
 
+    /**
+     * Output timestamp offset, in microseconds.
+     * Muxing: set by user via AVOptions (NO direct access)
+     */
+    int64_t output_ts_offset;
 } AVFormatContext;
 
 int av_format_get_probe_score(const AVFormatContext *s);