1 files changed, 29 insertions, 0 deletions
diff --git a/libavformat/demux.h b/libavformat/demux.h
index f003d81f52..c667f304a5 100644
--- a/libavformat/demux.h
+++ b/libavformat/demux.h
@@ -26,6 +26,35 @@
 #include "libavcodec/packet.h"
 #include "avformat.h"
 
+#define MAX_STD_TIMEBASES (30*12+30+3+6)
+typedef struct FFStreamInfo {
+    int64_t last_dts;
+    int64_t duration_gcd;
+    int duration_count;
+    int64_t rfps_duration_sum;
+    double (*duration_error)[2][MAX_STD_TIMEBASES];
+    int64_t codec_info_duration;
+    int64_t codec_info_duration_fields;
+    int frame_delay_evidence;
+
+    /**
+     * 0  -> decoder has not been searched for yet.
+     * >0 -> decoder found
+     * <0 -> decoder with codec_id == -found_decoder has not been found
+     */
+    int found_decoder;
+
+    int64_t last_duration;
+
+    /**
+     * Those are used for average framerate estimation.
+     */
+    int64_t fps_first_dts;
+    int     fps_first_dts_idx;
+    int64_t fps_last_dts;
+    int     fps_last_dts_idx;
+} FFStreamInfo;
+
 #define RELATIVE_TS_BASE (INT64_MAX - (1LL << 48))
 
 static av_always_inline int is_relative(int64_t ts)