fftools/ffmpeg: avoid storing full forced keyframe spec

It is not needed after the spec is parsed. Also avoids ugly string
comparisons for each video frame.

1 files changed, 6 insertions, 1 deletions

diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
index bf2abf55ee..5527dbe49b 100644
--- a/fftools/ffmpeg.h
+++ b/fftools/ffmpeg.h
@@ -487,8 +487,13 @@ typedef enum {
     MUXER_FINISHED = 2,
 } OSTFinished ;
 
+enum {
+    KF_FORCE_SOURCE         = 1,
+    KF_FORCE_SOURCE_NO_DROP = 2,
+};
+
 typedef struct KeyframeForceCtx {
-    char        *forced_keyframes;
+    int          type;
 
     int64_t      ref_pts;