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i444tonv12_eg example program

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Bug: libyuv:858
Change-Id: I1b970f57a6ff6288afc8f60b2244e51bf6d30e78
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/2169341
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
This commit is contained in:
Frank Barchard 2020-04-28 03:21:29 -07:00 committed by Commit Bot
parent bed9292f2c
commit eed202f1f3
5 changed files with 66 additions and 10 deletions
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9
Android.bp
View File

@ -105,6 +105,15 @@ cc_test {
static_libs: ["libyuv"],
}
cc_test {
name: "i444tonv12_eg",
gtest: false,
srcs: [
"util/i444tonv12_eg.cc",
],
static_libs: ["libyuv"],
}
cc_test {
name: "cpuid",
gtest: false,

20
Android.mk
View File

@ -11,41 +11,45 @@ LOCAL_SRC_FILES := \
source/compare_gcc.cc \
source/compare_mmi.cc \
source/compare_msa.cc \
source/compare_neon.cc \
source/compare_neon64.cc \
source/convert.cc \
source/compare_neon.cc \
source/compare_win.cc \
source/convert_argb.cc \
source/convert_from.cc \
source/convert.cc \
source/convert_from_argb.cc \
source/convert_from.cc \
source/convert_to_argb.cc \
source/convert_to_i420.cc \
source/cpu_id.cc \
source/planar_functions.cc \
source/rotate.cc \
source/rotate_any.cc \
source/rotate_argb.cc \
source/rotate.cc \
source/rotate_common.cc \
source/rotate_gcc.cc \
source/rotate_mmi.cc \
source/rotate_msa.cc \
source/rotate_neon.cc \
source/rotate_neon64.cc \
source/rotate_neon.cc \
source/rotate_win.cc \
source/row_any.cc \
source/row_common.cc \
source/row_gcc.cc \
source/row_mmi.cc \
source/row_msa.cc \
source/row_neon.cc \
source/row_neon64.cc \
source/scale.cc \
source/row_neon.cc \
source/row_win.cc \
source/scale_any.cc \
source/scale_argb.cc \
source/scale.cc \
source/scale_common.cc \
source/scale_gcc.cc \
source/scale_mmi.cc \
source/scale_msa.cc \
source/scale_neon.cc \
source/scale_neon64.cc \
source/scale_neon.cc \
source/scale_win.cc \
source/video_common.cc
common_CFLAGS := -Wall -fexceptions

11
BUILD.gn
View File

@ -39,6 +39,7 @@ group("default") {
deps += [
":compare",
":cpuid",
":i444tonv12_eg",
":libyuv_unittest",
":psnr",
":yuvconvert",
@ -389,6 +390,16 @@ if (libyuv_include_tests) {
}
}
executable("i444tonv12_eg") {
sources = [
# sources
"util/i444tonv12_eg.cc",
]
deps = [
":libyuv",
]
}
executable("cpuid") {
sources = [
# sources

8
linux.mk
View File

@ -65,7 +65,7 @@ LOCAL_OBJ_FILES := \
.c.o:
$(CC) -c $(CFLAGS) $*.c -o $*.o
all: libyuv.a yuvconvert cpuid psnr
all: libyuv.a i444tonv12_eg yuvconvert cpuid psnr
libyuv.a: $(LOCAL_OBJ_FILES)
$(AR) $(ARFLAGS) $@ $(LOCAL_OBJ_FILES)
@ -78,6 +78,10 @@ yuvconvert: util/yuvconvert.cc libyuv.a
psnr: util/psnr.cc
$(CXX) $(CXXFLAGS) -Iutil/ -o $@ util/psnr.cc util/psnr_main.cc util/ssim.cc
# A simple conversion example.
i444tonv12_eg: util/i444tonv12_eg.cc libyuv.a
$(CC) $(CFLAGS) -o $@ util/i444tonv12_eg.cc libyuv.a
# A C test utility that uses libyuv conversion from C.
# gcc 4.4 and older require -fno-exceptions to avoid link error on __gxx_personality_v0
# CC=gcc-4.4 CXXFLAGS=-fno-exceptions CXX=g++-4.4 make -f linux.mk
@ -85,4 +89,4 @@ cpuid: util/cpuid.c libyuv.a
$(CC) $(CFLAGS) -o $@ util/cpuid.c libyuv.a
clean:
/bin/rm -f source/*.o *.ii *.s libyuv.a yuvconvert cpuid psnr
/bin/rm -f source/*.o *.ii *.s libyuv.a i444tonv12_eg yuvconvert cpuid psnr

28
util/i444tonv12_eg.cc Normal file
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@ -0,0 +1,28 @@
#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;
}