bool clip_ready;
steady_clock::time_point before_sleep = steady_clock::now();
string pause_status;
+ float master_speed = 1.0f;
// Wait until we're supposed to play something.
{
return;
}
+ should_skip_to_next = false; // To make sure we don't have a lingering click from before play.
steady_clock::time_point origin = steady_clock::now(); // TODO: Add a 100 ms buffer for ramp-up?
int64_t in_pts_origin = clip_list[0].clip.pts_in;
for (size_t clip_idx = 0; clip_idx < clip_list.size(); ++clip_idx) {
}
steady_clock::time_point next_frame_start;
- for (int frameno = 0; !should_quit; ++frameno) { // Ends when the clip ends.
+ for (int64_t frameno = 0; !should_quit; ++frameno) { // Ends when the clip ends.
double out_pts = out_pts_origin + TIMEBASE * frameno / global_flags.output_framerate;
next_frame_start =
origin + microseconds(lrint((out_pts - out_pts_origin) * 1e6 / TIMEBASE));
- int64_t in_pts = lrint(in_pts_origin + TIMEBASE * frameno * clip->speed / global_flags.output_framerate);
+ int64_t in_pts = lrint(in_pts_origin + TIMEBASE * frameno * clip->speed * master_speed / global_flags.output_framerate);
pts = lrint(out_pts);
+ float new_master_speed = change_master_speed.exchange(0.0f / 0.0f);
+ if (!std::isnan(new_master_speed)) {
+ master_speed = new_master_speed;
+ in_pts_origin = in_pts - TIMEBASE * frameno * clip->speed * master_speed / global_flags.output_framerate;
+ out_pts_origin = out_pts - TIMEBASE * frameno / global_flags.output_framerate;
+ }
+
+ if (should_skip_to_next.exchange(false)) { // Test and clear.
+ Clip *clip = &clip_list[clip_idx].clip; // Get a non-const pointer.
+ fprintf(stderr, "pts_out moving to first of %ld and %ld (currently at %f)\n", clip->pts_out, lrint(out_pts + clip->fade_time_seconds * TIMEBASE), out_pts);
+ clip->pts_out = std::min(clip->pts_out, lrint(in_pts + clip->fade_time_seconds * clip->speed * TIMEBASE));
+ }
+
if (in_pts >= clip->pts_out) {
break;
}
{
lock_guard<mutex> lock(queue_state_mu);
if (splice_ready) {
- fprintf(stderr, "splicing\n");
if (next_clip == nullptr) {
do_splice(to_splice_clip_list, clip_idx, -1, &clip_list);
} else {
// Snap to input frame: If we can do so with less than 1% jitter
// (ie., move less than 1% of an _output_ frame), do so.
// TODO: Snap secondary (fade-to) clips in the same fashion.
- double pts_snap_tolerance = 0.01 * double(TIMEBASE) / global_flags.output_framerate;
+ double pts_snap_tolerance = 0.01 * double(TIMEBASE) * clip->speed / global_flags.output_framerate;
bool snapped = false;
for (FrameOnDisk snap_frame : { frame_lower, frame_upper }) {
if (fabs(snap_frame.pts - in_pts) < pts_snap_tolerance) {