avcodec: add duration field to AVCodecParserContext

This will allow parsers to export the duration of the current frame being
output, if known, instead of using AVCodecContext.frame_size.

1 files changed, 7 insertions, 0 deletions

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 51b956ba81..7128a83148 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -3994,6 +3994,13 @@ typedef struct AVCodecParserContext {
      * Previous frame byte position.
      */
     int64_t last_pos;
+
+    /**
+     * Duration of the current frame.
+     * For audio, this is in units of 1 / AVCodecContext.sample_rate.
+     * For all other types, this is in units of AVCodecContext.time_base.
+     */
+    int duration;
 } AVCodecParserContext;
 
 typedef struct AVCodecParser {