X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fplayer.cpp;h=8aac5777cc7ef24cdc87db6112cf33b41d4dd1c7;hb=f018e574d22638e49e9d01caafcfdb9cec173d32;hp=b7b22c8add9dea82b613f06bcc710e1dd529b92d;hpb=6e3e839e23309b1214ff8d9954e97e6194db61a8;p=nageru diff --git a/futatabi/player.cpp b/futatabi/player.cpp index b7b22c8..8aac577 100644 --- a/futatabi/player.cpp +++ b/futatabi/player.cpp @@ -108,8 +108,7 @@ got_clip: } } - // TODO: Lock to a rational multiple of the frame rate if possible. - double speed = 0.5; + // TODO: Lock the speed to a rational multiple of the frame rate if possible. int64_t in_pts_start_next_clip = -1; steady_clock::time_point next_frame_start; @@ -117,7 +116,7 @@ got_clip: 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 * speed / global_flags.output_framerate); + int64_t in_pts = lrint(in_pts_origin + TIMEBASE * frameno * clip.speed / global_flags.output_framerate); pts = lrint(out_pts); if (in_pts >= clip.pts_out) { @@ -131,16 +130,16 @@ got_clip: continue; } - double time_left_this_clip = double(clip.pts_out - in_pts) / TIMEBASE / speed; + double time_left_this_clip = double(clip.pts_out - in_pts) / TIMEBASE / clip.speed; if (!got_next_clip && next_clip_callback != nullptr && time_left_this_clip <= clip.fade_time_seconds) { // Find the next clip so that we can begin a fade. tie(next_clip, next_clip_idx) = next_clip_callback(); if (next_clip.pts_in != -1) { got_next_clip = true; - double duration_next_clip = double(next_clip.pts_out - next_clip.pts_in) / TIMEBASE / speed; + double duration_next_clip = double(next_clip.pts_out - next_clip.pts_in) / TIMEBASE / clip.speed; next_clip_fade_time = std::min(time_left_this_clip, duration_next_clip); - in_pts_start_next_clip = next_clip.pts_in + lrint(next_clip_fade_time * TIMEBASE * speed); + in_pts_start_next_clip = next_clip.pts_in + lrint(next_clip_fade_time * TIMEBASE * clip.speed); } } @@ -153,7 +152,7 @@ got_clip: float fade_alpha = 0.0f; if (got_next_clip && time_left_this_clip <= next_clip_fade_time) { secondary_stream_idx = next_clip.stream_idx; - int64_t in_pts_secondary = lrint(next_clip.pts_in + (next_clip_fade_time - time_left_this_clip) * TIMEBASE * speed); + int64_t in_pts_secondary = lrint(next_clip.pts_in + (next_clip_fade_time - time_left_this_clip) * TIMEBASE * clip.speed); in_pts_secondary_for_progress = in_pts_secondary; fade_alpha = 1.0f - time_left_this_clip / next_clip_fade_time; @@ -174,13 +173,13 @@ got_clip: if (progress_callback != nullptr) { // NOTE: None of this will take into account any snapping done below. - double played_this_clip = double(in_pts_for_progress - clip.pts_in) / TIMEBASE / speed; - double total_length = double(clip.pts_out - clip.pts_in) / TIMEBASE / speed; + double played_this_clip = double(in_pts_for_progress - clip.pts_in) / TIMEBASE / clip.speed; + double total_length = double(clip.pts_out - clip.pts_in) / TIMEBASE / clip.speed; map progress{{ clip_idx, played_this_clip / total_length }}; if (got_next_clip && time_left_this_clip <= next_clip_fade_time) { - double played_next_clip = double(in_pts_secondary_for_progress - next_clip.pts_in) / TIMEBASE / speed; - double total_next_length = double(next_clip.pts_out - next_clip.pts_in) / TIMEBASE / speed; + double played_next_clip = double(in_pts_secondary_for_progress - next_clip.pts_in) / TIMEBASE / next_clip.speed; + double total_next_length = double(next_clip.pts_out - next_clip.pts_in) / TIMEBASE / next_clip.speed; progress[next_clip_idx] = played_next_clip / total_next_length; } progress_callback(progress); @@ -263,7 +262,7 @@ got_clip: // TODO: Snap secondary (fade-to) clips in the same fashion. bool snapped = false; for (FrameOnDisk snap_frame : { frame_lower, frame_upper }) { - double snap_pts_as_frameno = (snap_frame.pts - in_pts_origin) * global_flags.output_framerate / TIMEBASE / speed; + double snap_pts_as_frameno = (snap_frame.pts - in_pts_origin) * global_flags.output_framerate / TIMEBASE / clip.speed; if (fabs(snap_pts_as_frameno - frameno) < 0.01) { auto display_func = [this, primary_stream_idx, snap_frame, secondary_frame, fade_alpha]{ if (destination != nullptr) { @@ -483,7 +482,7 @@ double compute_time_left(const vector &clips, const map &p double last_fade_time_seconds = 0.0; for (size_t row = last_it->first; row < clips.size(); ++row) { const Clip &clip = clips[row]; - double clip_length = double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5; // FIXME: stop hardcoding speed. + double clip_length = double(clip.pts_out - clip.pts_in) / TIMEBASE / clip.speed; if (row == last_it->first) { // A clip we're playing: Subtract the part we've already played. remaining = clip_length * (1.0 - last_it->second);