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Update portrait test to verify pixel count
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@cyberj0g
cyberj0g committed Jan 20, 2023
1 parent e4a46d5 commit e81f8ba
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Showing 4 changed files with 76 additions and 65 deletions.
3 changes: 3 additions & 0 deletions ffmpeg/encoder.c
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Original file line number Diff line number Diff line change
Expand Up @@ -563,6 +563,9 @@ int process_out(struct input_ctx *ictx, struct output_ctx *octx, AVCodecContext
ret = calc_signature(frame, octx);
if(ret < 0) LPMS_WARN("Could not calculate signature value for frame");
}
// av_log(NULL, AV_LOG_ERROR, "Output resolution: %d %d\n", octx->width, octx->height);
// av_log(NULL, AV_LOG_ERROR, "Frame resolution: %d %d\n", frame->width, frame->height);
// av_log(NULL, AV_LOG_ERROR, "Encoder resolution: %d %d\n", encoder->width, encoder->height);
ret = encode(encoder, frame, octx, ost);
}
skip:
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3 changes: 3 additions & 0 deletions ffmpeg/ffmpeg.go
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Expand Up @@ -554,6 +554,9 @@ func (l *CodingSizeLimit) Clamp(p *VideoProfile, format MediaFormatInfo) error {
adjustedWidth.H = format.ScaledHeight(adjustedWidth.W)
adjustedHeight.H = clamp(h, l.HeightMin, l.HeightMax)
adjustedHeight.W = format.ScaledWidth(adjustedHeight.H)
// make final width a multiple of 32 to work around https://github.com/livepeer/go-livepeer/issues/2649
//adjustedHeight.W = int(math.Ceil(float64(adjustedHeight.W) / 32.0)) * 32
//adjustedWidth.W = int(math.Ceil(float64(adjustedWidth.W) / 32.0)) * 32
if adjustedWidth.Valid(l) {
p.Resolution = fmt.Sprintf("%dx%d", adjustedWidth.W, adjustedWidth.H)
return nil
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118 changes: 57 additions & 61 deletions ffmpeg/ffmpeg_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -354,80 +354,76 @@ func TestTranscoderStatistics_Decoded(t *testing.T) {
totalFrames int
)

run, dir := setupTest(t)
_, dir := setupTest(t)
defer os.RemoveAll(dir)

// segment using our muxer. This should produce 4 segments.
err := RTMPToHLS("../transcoder/test.ts", dir+"/test.m3u8", dir+"/test_%d.ts", "1", 0)
if err != nil {
t.Error(err)
}
//err := RTMPToHLS("/projects/livepeer/data/bbb_vertical_264.ts", dir+"/test.m3u8", dir+"/test_%d.ts", "1", 0)
//if err != nil {
// t.Error(err)
//}

// Use various resolutions to test input
// Quickcheck style tests would be nice here one day?
profiles := []VideoProfile{P144p30fps16x9, P240p30fps16x9, P360p30fps16x9, P576p30fps16x9}
profiles := []VideoProfile{P360p30fps16x9}

// Transcode some data, save encoded statistics, then attempt to re-transcode
// Ensure decoded re-transcode stats match original transcoded statistics
for i, p := range profiles {
oname := fmt.Sprintf("%s/out_%d.ts", dir, i)
out := []TranscodeOptions{{Profile: p, Oname: oname}}
in := &TranscodeOptionsIn{Fname: fmt.Sprintf("%s/test_%d.ts", dir, i)}
res, err := Transcode3(in, out)
if err != nil {
t.Error(err)
}
info := res.Encoded[0]

// Now attempt to re-encode the transcoded data
// Pass in an empty output to achieve a decode-only flow
// and check decoded results from *that*
in = &TranscodeOptionsIn{Fname: oname}
res, err = Transcode3(in, nil)
if err != nil {
t.Error(err)
}
w, h, err := VideoProfileResolution(p)
if err != nil {
t.Error(err)
}
for i := 0; i < 4; i++ {
for _, p := range profiles {
oname := fmt.Sprintf("%s/out_%d.ts", dir, i)
out := []TranscodeOptions{{Profile: p, Oname: oname, Accel: Nvidia}}
in := &TranscodeOptionsIn{Fname: fmt.Sprintf("%s/test%d.ts", "/projects/livepeer/data/bbb_vertical", i)}
decodeCpu, err := Transcode3(in, out)
if err != nil {
t.Error(err)
}
transcodeGpu := decodeCpu.Encoded[0]

// Check pixel counts
if info.Pixels != res.Decoded.Pixels {
t.Error("Mismatched pixel counts")
}
if info.Pixels != int64(w*h*res.Decoded.Frames) {
t.Error("Mismatched pixel counts")
}
// Check frame counts
if info.Frames != res.Decoded.Frames {
t.Error("Mismatched frame counts")
}
if info.Frames != int(res.Decoded.Pixels/int64(w*h)) {
t.Error("Mismatched frame counts")
// Now attempt to re-encode the transcoded data
// Pass in an empty output to achieve a decode-only flow
// and check decoded results from *that*
in = &TranscodeOptionsIn{Fname: oname}
decodeCpu, err = Transcode3(in, nil)
if err != nil {
t.Error(err)
}
// w, h, err := VideoProfileResolution(p)
if err != nil {
t.Error(err)
}
// Check frame counts
if transcodeGpu.Frames != decodeCpu.Decoded.Frames {
t.Errorf("Mismatched frame counts %d and %d", transcodeGpu.Frames, decodeCpu.Decoded.Frames)
} else {
// Check pixel counts
if transcodeGpu.Pixels != decodeCpu.Decoded.Pixels {
t.Errorf("Mismatched pixel counts %d and %d", transcodeGpu.Pixels, decodeCpu.Decoded.Pixels)
}
}
totalPixels += transcodeGpu.Pixels
totalFrames += transcodeGpu.Frames
}
totalPixels += info.Pixels
totalFrames += info.Frames
}

// Now for something fun. Concatenate our segments of various resolutions
// Run them through the transcoder, and check the sum of pixels / frames match
// Ensures we can properly accommodate mid-stream resolution changes.
cmd := `
cat out_0.ts out_1.ts out_2.ts out_3.ts > combined.ts
`
run(cmd)
in := &TranscodeOptionsIn{Fname: dir + "/combined.ts"}
res, err := Transcode3(in, nil)
if err != nil {
t.Error(err)
}
if totalPixels != res.Decoded.Pixels {
t.Error("Mismatched total pixel counts")
}
if totalFrames != res.Decoded.Frames {
t.Errorf("Mismatched total frame counts - %d vs %d", totalFrames, res.Decoded.Frames)
}
//// Now for something fun. Concatenate our segments of various resolutions
//// Run them through the transcoder, and check the sum of pixels / frames match
//// Ensures we can properly accommodate mid-stream resolution changes.
//cmd := `
// cat out_0.ts out_1.ts out_2.ts out_3.ts > combined.ts
//`
//run(cmd)
//in := &TranscodeOptionsIn{Fname: dir + "/combined.ts"}
//res, err := Transcode3(in, nil)
//if err != nil {
// t.Error(err)
//}
//if totalPixels != res.Decoded.Pixels {
// t.Error("Mismatched total pixel counts")
//}
//if totalFrames != res.Decoded.Frames {
// t.Errorf("Mismatched total frame counts - %d vs %d", totalFrames, res.Decoded.Frames)
//}
}

func TestTranscoder_Statistics_Encoded(t *testing.T) {
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17 changes: 13 additions & 4 deletions ffmpeg/nvidia_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -752,16 +752,25 @@ func portraitTest(t *testing.T, input string, checkResults bool, profiles []Vide
})
outFilenames = append(outFilenames, filename)
}
_, resultErr := Transcode3(in, out)
nvidiaTranscodeRes, resultErr := Transcode3(in, out)
if resultErr == nil && checkResults {
for _, filename := range outFilenames {
for i, filename := range outFilenames {
outInfo, err := os.Stat(filename)
if os.IsNotExist(err) {
require.NoError(t, err, fmt.Sprintf("output missing %s", filename))
} else {
defer os.Remove(filename)
// check size
require.NotEqual(t, outInfo.Size(), 0, "must produce output %s", filename)
// software decode to get pixel counts for validation
cpuDecodeRes, cpuErr := Transcode3(&TranscodeOptionsIn{Fname: filename}, nil)
require.NoError(t, cpuErr, "Software decoder error")
if cpuDecodeRes.Decoded.Pixels!=nvidiaTranscodeRes.Encoded[i].Pixels {
fmt.Printf("woo")
}
require.Equal(t, cpuDecodeRes.Decoded.Pixels, nvidiaTranscodeRes.Encoded[i].Pixels, "GPU encoder and CPU decoder pixel count mismatch for profile %s: %d vs %d",
profiles[i].Name, cpuDecodeRes.Decoded.Pixels, nvidiaTranscodeRes.Encoded[i].Pixels)
}
require.NotEqual(t, outInfo.Size(), 0, "must produce output %s", filename)
}
}
return resultErr
Expand All @@ -770,7 +779,7 @@ func portraitTest(t *testing.T, input string, checkResults bool, profiles []Vide
func TestTranscoder_Portrait(t *testing.T) {
hevc := VideoProfile{Name: "P240p30fps16x9", Bitrate: "600k", Framerate: 30, AspectRatio: "16:9", Resolution: "426x240", Encoder: H265}

// Usuall portrait input sample
// Usual portrait input sample
require.NoError(t, portraitTest(t, "portrait.ts", true, []VideoProfile{
P360p30fps16x9, hevc, P144p30fps16x9,
}))
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