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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /** | ||
| * | ||
| * Copyright 2016-2017 Netflix, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
|
||
| #include <stdio.h> | ||
| #include "psnr_tools.h" | ||
|
|
||
| /* | ||
| * For a given format, returns the constants to use in psnr based calculations | ||
| */ | ||
| int psnr_constants(const char *fmt, double *peak, double *psnr_max) { | ||
| if (!strcmp(fmt, "yuv420p") || !strcmp(fmt, "yuv422p") || !strcmp(fmt, "yuv444p")) | ||
| { | ||
| // max psnr 60.0 for 8-bit per Ioannis | ||
| *peak = 255.0; | ||
| *psnr_max = 60.0; | ||
| } | ||
| else if (!strcmp(fmt, "yuv420p10le") || !strcmp(fmt, "yuv422p10le") || !strcmp(fmt, "yuv444p10le")) | ||
| { | ||
| // 10 bit gets normalized to 8 bit, peak is 1023 / 4.0 = 255.75 | ||
| // max psnr 72.0 for 10-bit per Ioannis | ||
| *peak = 255.75; | ||
| *psnr_max = 72.0; | ||
| } | ||
| else | ||
| { | ||
| return 1; | ||
| } | ||
|
|
||
| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| /** | ||
| * | ||
| * Copyright 2016-2017 Netflix, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
|
||
| #ifndef PSNR_TOOLS_H_ | ||
| #define PSNR_TOOLS_H_ | ||
|
|
||
| int psnr_constants(const char *fmt, double *peak, double *psnr_max); | ||
|
|
||
| #endif /* PSNR_TOOLS_H_ */ |
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