测试程序为 S3C6410X MultiMedia Driver V2.7 中的 jpeg_app。
如下结果是图像质量为 JPG_QUALITY_LEVEL_1 的测试结果。其中 Elapsed time 的单位为毫秒。
------------------------Encoder Test Start---------------------
inFilename : ./testVectors/testInp/test_320_240.yuv
outFilename : ./testVectors/testOut/test_320_240.jpg width : 320 height : 240
filesize : 153600
inBuf : 0x40559800
[JPEG Encoding Performance] Elapsed time : 25
OutBuf : 0x40372000 size : 55887
inFilename : ./testVectors/testInp/test_640_480.yuv
outFilename : ./testVectors/testOut/test_640_480.jpg width : 640 height : 480
filesize : 614400
inBuf : 0x40559800
[JPEG Encoding Performance] Elapsed time : 53
OutBuf : 0x40372000 size : 165095
inFilename : ./testVectors/testInp/test_1280_960.yuv
outFilename : ./testVectors/testOut/test_1280_960.jpg width : 1280 height : 960
filesize : 2457600
inBuf : 0x40559800
[JPEG Encoding Performance] Elapsed time : 171
OutBuf : 0x40372000 size : 554819
inFilename : ./testVectors/testInp/test_1600_1200.yuv
outFilename : ./testVectors/testOut/test_1600_1200.jpg width : 1600 height : 1200
filesize : 3840000
inBuf : 0x40559800
[JPEG Encoding Performance] Elapsed time : 262
OutBuf : 0x40372000 size : 824120
------------------------Encoder Test Done---------------------
