diff options
Diffstat (limited to 'player/playloop.c')
| -rw-r--r-- | player/playloop.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/player/playloop.c b/player/playloop.c index c9d74c2950..4f42b17e97 100644 --- a/player/playloop.c +++ b/player/playloop.c @@ -691,6 +691,27 @@ void add_frame_pts(struct MPContext *mpctx, double pts) mpctx->vo_pts_history_pts[0] = pts; } +// Return the last (at most num) frame duration in fd[]. Return the number of +// entries written to fd[] (range [0, num]). fd[0] is the most recent frame. +int get_past_frame_durations(struct MPContext *mpctx, double *fd, int num) +{ + double next_pts = mpctx->vo_pts_history_pts[0]; + if (mpctx->vo_pts_history_seek[0] != mpctx->vo_pts_history_seek_ts || + next_pts == MP_NOPTS_VALUE) + return 0; + int num_ret = 0; + for (int n = 1; n < MAX_NUM_VO_PTS && num_ret < num; n++) { + double frame_pts = mpctx->vo_pts_history_pts[n]; + // Discontinuity -> refuse to return a value. + if (mpctx->vo_pts_history_seek[n] != mpctx->vo_pts_history_seek_ts || + next_pts <= frame_pts || frame_pts == MP_NOPTS_VALUE) + break; + fd[num_ret++] = next_pts - frame_pts; + next_pts = frame_pts; + } + return num_ret; +} + static double find_previous_pts(struct MPContext *mpctx, double pts) { for (int n = 0; n < MAX_NUM_VO_PTS - 1; n++) { |