#include "player.h"
#include "clip_list.h"
-#include "shared/context.h"
#include "defs.h"
-#include "shared/ffmpeg_raii.h"
#include "flags.h"
#include "frame_on_disk.h"
-#include "shared/httpd.h"
#include "jpeg_frame_view.h"
+#include "shared/context.h"
+#include "shared/ffmpeg_raii.h"
+#include "shared/httpd.h"
#include "shared/metrics.h"
#include "shared/mux.h"
#include "shared/timebase.h"
}
}
+namespace {
+
+double calc_progress(const Clip &clip, int64_t pts)
+{
+ return double(pts - clip.pts_in) / (clip.pts_out - clip.pts_in);
+}
+
+} // namespace
+
void Player::play_playlist_once()
{
vector<Clip> clip_list;
steady_clock::duration time_behind = steady_clock::now() - next_frame_start;
if (stream_output != FILE_STREAM_OUTPUT && time_behind >= milliseconds(200)) {
fprintf(stderr, "WARNING: %ld ms behind, dropping a frame (no matter the type).\n",
- lrint(1e3 * duration<double>(time_behind).count()));
+ lrint(1e3 * duration<double>(time_behind).count()));
++metric_dropped_unconditional_frame;
continue;
}
-
// pts not affected by the swapping below.
int64_t in_pts_for_progress = in_pts, in_pts_secondary_for_progress = -1;
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 / clip.speed;
- double total_length = double(clip.pts_out - clip.pts_in) / TIMEBASE / clip.speed;
- map<size_t, double> progress{{ clip_idx, played_this_clip / total_length }};
-
+ map<size_t, double> progress{ { clip_idx, calc_progress(clip, in_pts_for_progress) } };
if (next_clip != nullptr && time_left_this_clip <= next_clip_fade_time) {
- 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[clip_idx + 1] = played_next_clip / total_next_length;
+ progress[clip_idx + 1] = calc_progress(*next_clip, in_pts_secondary_for_progress);
}
progress_callback(progress);
}
unique_lock<mutex> lock(queue_state_mu);
if (video_stream == nullptr) {
// No queue, just wait until the right time and then show the frame.
- new_clip_changed.wait_until(lock, next_frame_start, [this]{
+ new_clip_changed.wait_until(lock, next_frame_start, [this] {
return should_quit || new_clip_ready || override_stream_idx != -1;
});
if (should_quit) {
//
// In this case, we don't sleep until next_frame_start; the displaying is
// done by the queue.
- new_clip_changed.wait(lock, [this]{
+ new_clip_changed.wait(lock, [this] {
if (num_queued_frames < max_queued_frames) {
return true;
}
}
}
- if (frame_lower.pts == frame_upper.pts || global_flags.interpolation_quality == 0) {
+ // If there's nothing to interpolate between, or if interpolation is turned off,
+ // or we're a preview, then just display the frame.
+ if (frame_lower.pts == frame_upper.pts || global_flags.interpolation_quality == 0 || video_stream == nullptr) {
display_single_frame(primary_stream_idx, frame_lower, secondary_stream_idx,
secondary_frame, fade_alpha, next_frame_start, /*snapped=*/false);
continue;
for (FrameOnDisk snap_frame : { frame_lower, frame_upper }) {
if (fabs(snap_frame.pts - in_pts) < pts_snap_tolerance) {
display_single_frame(primary_stream_idx, snap_frame, secondary_stream_idx,
- secondary_frame, fade_alpha, next_frame_start, /*snapped=*/true);
+ secondary_frame, fade_alpha, next_frame_start, /*snapped=*/true);
in_pts_origin += snap_frame.pts - in_pts;
snapped = true;
break;
// decorrelated with no common factor, of course (e.g. 12.345 → 34.567, which we should
// really never see in practice).
for (double fraction : { 1.0 / 2.0, 1.0 / 3.0, 2.0 / 3.0, 1.0 / 4.0, 3.0 / 4.0,
- 1.0 / 5.0, 2.0 / 5.0, 3.0 / 5.0, 4.0 / 5.0 }) {
+ 1.0 / 5.0, 2.0 / 5.0, 3.0 / 5.0, 4.0 / 5.0 }) {
double subsnap_pts = frame_lower.pts + fraction * (frame_upper.pts - frame_lower.pts);
if (fabs(subsnap_pts - in_pts) < pts_snap_tolerance) {
in_pts_origin += lrint(subsnap_pts) - in_pts;
if (stream_output != FILE_STREAM_OUTPUT && time_behind >= milliseconds(100)) {
fprintf(stderr, "WARNING: %ld ms behind, dropping an interpolated frame.\n",
- lrint(1e3 * duration<double>(time_behind).count()));
+ lrint(1e3 * duration<double>(time_behind).count()));
++metric_dropped_interpolated_frame;
continue;
}
double alpha = double(in_pts - frame_lower.pts) / (frame_upper.pts - frame_lower.pts);
-
- if (video_stream == nullptr) {
- // Previews don't do any interpolation.
- assert(secondary_stream_idx == -1);
+ auto display_func = [this](shared_ptr<Frame> frame) {
if (destination != nullptr) {
- destination->setFrame(primary_stream_idx, frame_lower);
+ destination->setFrame(frame);
}
- last_pts_played = frame_lower.pts;
+ };
+ if (secondary_stream_idx == -1) {
+ ++metric_interpolated_frame;
} else {
- auto display_func = [this](shared_ptr<Frame> frame) {
- if (destination != nullptr) {
- destination->setFrame(frame);
- }
- };
- if (secondary_stream_idx == -1) {
- ++metric_interpolated_frame;
- } else {
- ++metric_interpolated_faded_frame;
- }
- video_stream->schedule_interpolated_frame(
- next_frame_start, pts, display_func, QueueSpotHolder(this),
- frame_lower, frame_upper, alpha,
- secondary_frame, fade_alpha);
- last_pts_played = in_pts; // Not really needed; only previews use last_pts_played.
+ ++metric_interpolated_faded_frame;
}
+ video_stream->schedule_interpolated_frame(
+ next_frame_start, pts, display_func, QueueSpotHolder(this),
+ frame_lower, frame_upper, alpha,
+ secondary_frame, fade_alpha);
+ last_pts_played = in_pts; // Not really needed; only previews use last_pts_played.
}
// The clip ended.
void Player::display_single_frame(int primary_stream_idx, const FrameOnDisk &primary_frame, int secondary_stream_idx, const FrameOnDisk &secondary_frame, double fade_alpha, steady_clock::time_point frame_start, bool snapped)
{
- auto display_func = [this, primary_stream_idx, primary_frame, secondary_frame, fade_alpha]{
+ auto display_func = [this, primary_stream_idx, primary_frame, secondary_frame, fade_alpha] {
if (destination != nullptr) {
destination->setFrame(primary_stream_idx, primary_frame, secondary_frame, fade_alpha);
}
display_func();
} else {
if (secondary_stream_idx == -1) {
+ // NOTE: We could be increasing unused metrics for previews, but that's harmless.
if (snapped) {
++metric_original_snapped_frame;
} else {
primary_frame);
} else {
assert(secondary_frame.pts != -1);
+ // NOTE: We could be increasing unused metrics for previews, but that's harmless.
if (snapped) {
++metric_faded_snapped_frame;
} else {
++metric_faded_frame;
}
video_stream->schedule_faded_frame(frame_start, pts, display_func,
- QueueSpotHolder(this), primary_frame,
- secondary_frame, fade_alpha);
+ QueueSpotHolder(this), primary_frame,
+ secondary_frame, fade_alpha);
}
}
last_pts_played = primary_frame.pts;
player_thread = thread(&Player::thread_func, this, file_avctx);
if (stream_output == HTTPD_STREAM_OUTPUT) {
- global_metrics.add("http_output_frames", {{ "type", "original" }, { "reason", "edge_frame_or_no_interpolation" }}, &metric_original_frame);
- global_metrics.add("http_output_frames", {{ "type", "faded" }, { "reason", "edge_frame_or_no_interpolation" }}, &metric_faded_frame);
- global_metrics.add("http_output_frames", {{ "type", "original" }, { "reason", "snapped" }}, &metric_original_snapped_frame);
- global_metrics.add("http_output_frames", {{ "type", "faded" }, { "reason", "snapped" }}, &metric_faded_snapped_frame);
- global_metrics.add("http_output_frames", {{ "type", "interpolated" }}, &metric_interpolated_frame);
- global_metrics.add("http_output_frames", {{ "type", "interpolated_faded" }}, &metric_interpolated_faded_frame);
- global_metrics.add("http_output_frames", {{ "type", "refresh" }}, &metric_refresh_frame);
- global_metrics.add("http_dropped_frames", {{ "type", "interpolated" }}, &metric_dropped_interpolated_frame);
- global_metrics.add("http_dropped_frames", {{ "type", "unconditional" }}, &metric_dropped_unconditional_frame);
+ global_metrics.add("http_output_frames", { { "type", "original" }, { "reason", "edge_frame_or_no_interpolation" } }, &metric_original_frame);
+ global_metrics.add("http_output_frames", { { "type", "faded" }, { "reason", "edge_frame_or_no_interpolation" } }, &metric_faded_frame);
+ global_metrics.add("http_output_frames", { { "type", "original" }, { "reason", "snapped" } }, &metric_original_snapped_frame);
+ global_metrics.add("http_output_frames", { { "type", "faded" }, { "reason", "snapped" } }, &metric_faded_snapped_frame);
+ global_metrics.add("http_output_frames", { { "type", "interpolated" } }, &metric_interpolated_frame);
+ global_metrics.add("http_output_frames", { { "type", "interpolated_faded" } }, &metric_interpolated_faded_frame);
+ global_metrics.add("http_output_frames", { { "type", "refresh" } }, &metric_refresh_frame);
+ global_metrics.add("http_dropped_frames", { { "type", "interpolated" } }, &metric_dropped_interpolated_frame);
+ global_metrics.add("http_dropped_frames", { { "type", "unconditional" } }, &metric_dropped_unconditional_frame);
}
}