VMAF Batch Report

Summary

Source Info

Source	Codec	Resolution	Frame Rate	Duration
meridian_15s_cleanref.mp4	h264	3840x2160	60000/1001	14.998s

Quality Items to Review

• h264_baseline / encoded_1080p.mp4 (upscaled_3840x2160): WARN — Mean VMAF=86.139, Min VMAF=76.870. Good; inspect visually; Low frame warning: min VMAF=76.870
• h264_baseline / encoded_2160p.mp4 (native): WARN — Mean VMAF=89.429, Min VMAF=85.036. Good; inspect visually
• h264_baseline / encoded_2160p.mp4 (upscaled_3840x2160): WARN — Mean VMAF=89.429, Min VMAF=85.036. Good; inspect visually
• h264_baseline / encoded_720p.mp4 (upscaled_3840x2160): FAIL — Mean VMAF=80.368, Min VMAF=65.168. Good; inspect visually; CRITICAL low frame detected: min VMAF=65.168; Large quality swing: mean-min delta=15.200
• hevc_low / encoded_1080p.mp4 (upscaled_3840x2160): WARN — Mean VMAF=85.798, Min VMAF=71.397. Good; inspect visually; Low frame warning: min VMAF=71.397
• hevc_low / encoded_720p.mp4 (upscaled_3840x2160): FAIL — Mean VMAF=78.329, Min VMAF=61.785. Noticeable degradation; CRITICAL low frame detected: min VMAF=61.785; Large quality swing: mean-min delta=16.544
• hevc_medium / encoded_1080p.mp4 (upscaled_3840x2160): WARN — Mean VMAF=87.502, Min VMAF=71.396. Good; inspect visually; Low frame warning: min VMAF=71.396; Large quality swing: mean-min delta=16.106
• hevc_medium / encoded_720p.mp4 (upscaled_3840x2160): FAIL — Mean VMAF=81.026, Min VMAF=64.478. Good; inspect visually; CRITICAL low frame detected: min VMAF=64.478; Large quality swing: mean-min delta=16.548

Results

Run	Profile	File	Codec	Resolution	Bitrate Mbps	Duration	Test	Precheck	Quality	Mean VMAF	Min VMAF	Max VMAF	PSNR Avg	SSIM All	Quality/Mbps	Savings	VMAF Δ	Worst Time	Chart	Notes
h264_baseline	1080p	encoded_1080p.mp4	h264	1920x1080	4.791	14.998	native	PASS	PASS	93.564	87.605	96.386	49.418	0.991431	19.529	0.0%	0.000	00:00.250	chart	Very good
h264_baseline	1080p	encoded_1080p.mp4	h264	1920x1080	4.791	14.998	upscaled_3840x2160	PASS	WARN	86.139	76.870	92.572	48.449	0.990091	17.979	0.0%	0.000	00:00.217	chart	Good; inspect visually; Low frame warning: min VMAF=76.870
h264_baseline	2160p	encoded_2160p.mp4	h264	3840x2160	8.57	14.998	native	PASS	WARN	89.429	85.036	95.082	49.299	0.991281	10.435	0.0%	0.000	00:00.384	chart	Good; inspect visually
h264_baseline	2160p	encoded_2160p.mp4	h264	3840x2160	8.57	14.998	upscaled_3840x2160	PASS	WARN	89.429	85.036	95.082	49.299	0.991281	10.435	0.0%	0.000	00:00.384	chart	Good; inspect visually
h264_baseline	720p	encoded_720p.mp4	h264	1280x720	2.674	14.998	native	PASS	PASS	94.600	86.809	96.837	49.389	0.991719	35.378	0.0%	0.000	00:00.150	chart	Very good
h264_baseline	720p	encoded_720p.mp4	h264	1280x720	2.674	14.998	upscaled_3840x2160	PASS	FAIL	80.368	65.168	87.319	47.523	0.988866	30.056	0.0%	0.000	00:00.284	chart	Good; inspect visually; CRITICAL low frame detected: min VMAF=65.168; Large quality swing: mean-min delta=15.200
hevc_low	1080p	encoded_1080p.mp4	hevc	1920x1080	1.874	14.998	native	PASS	PASS	93.162	83.348	96.067	49.477	0.991689	49.713	60.9%	-0.402	00:00.150	chart	Very good
hevc_low	1080p	encoded_1080p.mp4	hevc	1920x1080	1.874	14.998	upscaled_3840x2160	PASS	WARN	85.798	71.397	92.143	48.476	0.990612	45.783	60.9%	-0.341	00:00.150	chart	Good; inspect visually; Low frame warning: min VMAF=71.397
hevc_low	2160p	encoded_2160p.mp4	hevc	3840x2160	3.308	14.998	native	PASS	PASS	90.160	80.694	94.980	49.212	0.991389	27.255	61.4%	0.731	00:00.100	chart	Very good
hevc_low	2160p	encoded_2160p.mp4	hevc	3840x2160	3.308	14.998	upscaled_3840x2160	PASS	PASS	90.160	80.694	94.980	49.212	0.991389	27.255	61.4%	0.731	00:00.100	chart	Very good
hevc_low	720p	encoded_720p.mp4	hevc	1280x720	0.935	14.998	native	PASS	PASS	93.493	84.450	96.209	49.105	0.991449	99.993	65.0%	-1.106	00:00.067	chart	Very good
hevc_low	720p	encoded_720p.mp4	hevc	1280x720	0.935	14.998	upscaled_3840x2160	PASS	FAIL	78.329	61.785	85.927	47.294	0.988987	83.774	65.0%	-2.039	00:00.067	chart	Noticeable degradation; CRITICAL low frame detected: min VMAF=61.785; Large quality swing: mean-min delta=16.544
hevc_medium	1080p	encoded_1080p.mp4	hevc	1920x1080	3.016	14.998	native	PASS	PASS	94.116	83.346	96.566	50.151	0.992561	31.206	37.0%	0.552	00:00.150	chart	Very good
hevc_medium	1080p	encoded_1080p.mp4	hevc	1920x1080	3.016	14.998	upscaled_3840x2160	PASS	WARN	87.502	71.396	92.807	49.019	0.991301	29.012	37.0%	1.363	00:00.150	chart	Good; inspect visually; Low frame warning: min VMAF=71.396; Large quality swing: mean-min delta=16.106
hevc_medium	2160p	encoded_2160p.mp4	hevc	3840x2160	5.689	14.998	native	PASS	PASS	91.986	81.396	95.674	49.948	0.992241	16.169	33.6%	2.557	00:00.083	chart	Very good
hevc_medium	2160p	encoded_2160p.mp4	hevc	3840x2160	5.689	14.998	upscaled_3840x2160	PASS	PASS	91.986	81.396	95.674	49.948	0.992241	16.169	33.6%	2.557	00:00.083	chart	Very good
hevc_medium	720p	encoded_720p.mp4	hevc	1280x720	1.697	14.998	native	PASS	PASS	94.618	85.588	96.789	50.061	0.992708	55.756	36.5%	0.019	00:00.100	chart	Very good
hevc_medium	720p	encoded_720p.mp4	hevc	1280x720	1.697	14.998	upscaled_3840x2160	PASS	FAIL	81.026	64.478	87.208	47.933	0.989939	47.746	36.5%	0.657	00:00.100	chart	Good; inspect visually; CRITICAL low frame detected: min VMAF=64.478; Large quality swing: mean-min delta=16.548

Visual Debug: VMAF Over Time and Worst Frames

h264_baseline / encoded_1080p.mp4 — native

h264_baseline / encoded_1080p.mp4 — upscaled_3840x2160

h264_baseline / encoded_2160p.mp4 — native

h264_baseline / encoded_2160p.mp4 — upscaled_3840x2160

h264_baseline / encoded_720p.mp4 — native

h264_baseline / encoded_720p.mp4 — upscaled_3840x2160

hevc_low / encoded_1080p.mp4 — native

hevc_low / encoded_1080p.mp4 — upscaled_3840x2160

hevc_low / encoded_2160p.mp4 — native

hevc_low / encoded_2160p.mp4 — upscaled_3840x2160

hevc_low / encoded_720p.mp4 — native

hevc_low / encoded_720p.mp4 — upscaled_3840x2160

hevc_medium / encoded_1080p.mp4 — native

hevc_medium / encoded_1080p.mp4 — upscaled_3840x2160

hevc_medium / encoded_2160p.mp4 — native

hevc_medium / encoded_2160p.mp4 — upscaled_3840x2160

hevc_medium / encoded_720p.mp4 — native

hevc_medium / encoded_720p.mp4 — upscaled_3840x2160

Profile Comparison Summary

1080p

Run	Test	Codec	Bitrate Mbps	VMAF Mean	Quality/Mbps	Savings	VMAF Δ	Quality
h264_baseline	native	h264	4.791	93.564	19.529	0.0%	0.000	PASS
hevc_low	native	hevc	1.874	93.162	49.713	60.9%	-0.402	PASS
hevc_medium	native	hevc	3.016	94.116	31.206	37.0%	0.552	PASS
h264_baseline	upscaled_3840x2160	h264	4.791	86.139	17.979	0.0%	0.000	WARN
hevc_low	upscaled_3840x2160	hevc	1.874	85.798	45.783	60.9%	-0.341	WARN
hevc_medium	upscaled_3840x2160	hevc	3.016	87.502	29.012	37.0%	1.363	WARN

2160p

Run	Test	Codec	Bitrate Mbps	VMAF Mean	Quality/Mbps	Savings	VMAF Δ	Quality
h264_baseline	native	h264	8.57	89.429	10.435	0.0%	0.000	WARN
hevc_low	native	hevc	3.308	90.160	27.255	61.4%	0.731	PASS
hevc_medium	native	hevc	5.689	91.986	16.169	33.6%	2.557	PASS
h264_baseline	upscaled_3840x2160	h264	8.57	89.429	10.435	0.0%	0.000	WARN
hevc_low	upscaled_3840x2160	hevc	3.308	90.160	27.255	61.4%	0.731	PASS
hevc_medium	upscaled_3840x2160	hevc	5.689	91.986	16.169	33.6%	2.557	PASS

720p

Run	Test	Codec	Bitrate Mbps	VMAF Mean	Quality/Mbps	Savings	VMAF Δ	Quality
h264_baseline	native	h264	2.674	94.600	35.378	0.0%	0.000	PASS
hevc_low	native	hevc	0.935	93.493	99.993	65.0%	-1.106	PASS
hevc_medium	native	hevc	1.697	94.618	55.756	36.5%	0.019	PASS
h264_baseline	upscaled_3840x2160	h264	2.674	80.368	30.056	0.0%	0.000	FAIL
hevc_low	upscaled_3840x2160	hevc	0.935	78.329	83.774	65.0%	-2.039	FAIL
hevc_medium	upscaled_3840x2160	hevc	1.697	81.026	47.746	36.5%	0.657	FAIL

Interpretation Notes

• Native tests scale the source down to the encoded rendition resolution.
• Upscaled tests scale the encoded rendition up to the target display resolution.
• Mean VMAF gives the average quality score, but Min VMAF helps identify worst-frame quality drops.
• PSNR Avg is a pixel-error metric reported in dB; higher is better, but it is less perceptual than VMAF.
• SSIM All is a structural similarity metric from 0 to 1; higher is better.
• Precheck WARN means duration or frame-rate mismatches were detected and should be reviewed.
• Quality WARN/FAIL is based on mean VMAF, minimum VMAF, and large quality drops.
• Use this report with visual inspection and playback testing.