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1.Use libyuv instead of ffmpeg to do nv12<->yuv420p convertion;2.Use local package to build libyuv(branch stable 2021.4.28 commit eb6e7bb63738e29efd82ea3cf2a115238a89fa51)

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dijunkun
2024-05-08 16:34:53 +08:00
parent e0d2ab5a9f
commit 6bc8aaabdc
126 changed files with 98754 additions and 241 deletions
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28
thirdparty/libyuv/util/i444tonv12_eg.cc vendored Normal file
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#include "libyuv/convert.h"
#include <stdio.h> // for printf
#include <string.h> // for memset
int main(int, char**) {
unsigned char src_i444[640 * 400 * 3];
unsigned char dst_nv12[640 * 400 * 3 / 2];
for (size_t i = 0; i < sizeof(src_i444); ++i) {
src_i444[i] = i & 255;
}
memset(dst_nv12, 0, sizeof(dst_nv12));
libyuv::I444ToNV12(&src_i444[0], 640, // source Y
&src_i444[640 * 400], 640, // source U
&src_i444[640 * 400 * 2], 640, // source V
&dst_nv12[0], 640, // dest Y
&dst_nv12[640 * 400], 640, // dest UV
640, 400); // width and height
int checksum = 0;
for (size_t i = 0; i < sizeof(dst_nv12); ++i) {
checksum += dst_nv12[i];
}
printf("checksum %x %s\n", checksum, checksum == 0x2ec0c00 ? "PASS" : "FAIL");
return 0;
}