Files
go-mxl-player/internal/playback/media_stats_test.go
T
Dmitry Sergeev a8d277ee3d stats window
2026-09-01 22:59:09 +03:00

117 lines
3.6 KiB
Go

package playback
import (
"context"
"testing"
"time"
)
func TestMediaStatsStoreObservesVideo(t *testing.T) {
store := NewMediaStatsStore()
now := time.Date(2026, time.September, 1, 12, 0, 0, 0, time.UTC)
store.now = func() time.Time { return now }
frame := VideoFrame{
Index: 10,
Width: 1920,
Height: 1080,
Stride: 5120,
Size: 5_529_600,
Label: "Main video",
FrameRateNumerator: 30000,
FrameRateDenominator: 1001,
}
store.ObserveVideo(frame)
now = now.Add(40 * time.Millisecond)
frame.Index++
frame.Invalid = true
store.ObserveVideo(frame)
got := store.Snapshot().Video
if !got.Available || got.Label != "Main video" || got.Index != 11 {
t.Fatalf("video stats = %#v", got)
}
if got.Width != 1920 || got.Height != 1080 || got.Stride != 5120 {
t.Fatalf("video dimensions = %#v", got)
}
if got.DeclaredFPS < 29.96 || got.DeclaredFPS > 29.98 {
t.Fatalf("declared FPS = %v", got.DeclaredFPS)
}
if got.FrameDT != 40*time.Millisecond || got.Invalid != 1 {
t.Fatalf("video timing = %#v", got)
}
}
func TestMediaStatsStoreCalculatesReceivedFPS(t *testing.T) {
store := NewMediaStatsStore()
now := time.Date(2026, time.September, 1, 12, 0, 0, 0, time.UTC)
store.now = func() time.Time { return now }
store.ObserveVideo(VideoFrame{})
now = now.Add(500 * time.Millisecond)
store.ObserveVideo(VideoFrame{})
now = now.Add(500 * time.Millisecond)
store.ObserveVideo(VideoFrame{})
if got := store.Snapshot().Video.ReceivedFPS; got != 3 {
t.Fatalf("received FPS = %v, want 3", got)
}
}
func TestMediaStatsStoreObservesAudio(t *testing.T) {
store := NewMediaStatsStore()
store.ObserveAudio(AudioFrame{
Index: 100,
SampleCount: 480,
Channels: 2,
Label: "Programme audio",
SampleRateNumerator: 48_000,
SampleRateDenominator: 1,
})
got := store.Snapshot().Audio
if !got.Available || got.Label != "Programme audio" || got.Index != 100 {
t.Fatalf("audio stats = %#v", got)
}
if got.SampleRateHz != 48_000 || got.Channels != 2 || got.SampleCount != 480 {
t.Fatalf("audio format = %#v", got)
}
if got.BatchDuration != 10*time.Millisecond {
t.Fatalf("batch duration = %v, want 10ms", got.BatchDuration)
}
}
type recordingVideoStatsSink struct{ frame VideoFrame }
func (s *recordingVideoStatsSink) ConsumeVideo(_ context.Context, frame VideoFrame) error {
s.frame = frame
return nil
}
type recordingAudioStatsSink struct{ frame AudioFrame }
func (s *recordingAudioStatsSink) ConsumeAudio(_ context.Context, frame AudioFrame) error {
s.frame = frame
return nil
}
func TestStatsSinksObserveAndForwardFrames(t *testing.T) {
store := NewMediaStatsStore()
videoDownstream := &recordingVideoStatsSink{}
audioDownstream := &recordingAudioStatsSink{}
video := VideoFrame{Index: 7, Label: "video"}
audio := AudioFrame{Index: 8, Label: "audio"}
if err := (VideoStatsSink{Stats: store, Sink: videoDownstream}).ConsumeVideo(context.Background(), video); err != nil {
t.Fatalf("ConsumeVideo() error = %v", err)
}
if err := (AudioStatsSink{Stats: store, Sink: audioDownstream}).ConsumeAudio(context.Background(), audio); err != nil {
t.Fatalf("ConsumeAudio() error = %v", err)
}
if videoDownstream.frame.Index != video.Index || audioDownstream.frame.Index != audio.Index {
t.Fatalf("forwarded frames = %#v, %#v", videoDownstream.frame, audioDownstream.frame)
}
snapshot := store.Snapshot()
if snapshot.Video.Label != "video" || snapshot.Audio.Label != "audio" {
t.Fatalf("stats snapshot = %#v", snapshot)
}
}