Java实现函数:
String strpath = "/storage/emulated/0/DCIM/" + i + "output.yuv";
boolean isInfiel= writeFile(strpath, frameData);
public boolean writeFile(String path, byte[] data) {
FileOutputStream out = null;
try {
File file = new File(path);
File parent = file.getParentFile();
if (parent != null && !parent.exists())
parent.mkdirs();
if (!file.exists()){
boolean isok = file.createNewFile();
out = new FileOutputStream(path);
out.write(data);
FileDescriptor fd = out.getFD();
fd.sync();
return true;
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (out != null)
out.close();
} catch (Exception e) {
}
}
return false;
}
C++实现函数:
static void dumpYuvToFile(const int width, const int height, void *yBuf, void *uvBuf ) {
static int i = 0;
char buf[256] = { ' ' };
LOGE(" dumpYuvToFile(): i is %d", i);
snprintf(buf, sizeof(buf), "/data/misc/media/_%d_%d_%d.yuv", width, height, i);
FILE* file_fd = fopen(buf, "wb");
if (file_fd != NULL) {
void *data = NULL;
int written_len = 0;
data = (void *) ((uint8_t *) yBuf);
written_len += fwrite(data, width * height, 1, file_fd);
if (NULL == uvBuf)
data = (void *) ((uint8_t *) yBuf + width * height);
else
data = (void *) ((uint8_t *) uvBuf);
written_len += fwrite(data, width * height / 2, 1, file_fd);
fclose(file_fd);
LOGE("%s: dumpYuvToFile(): -------sucess", __func__);
} else {
LOGE("%s:dumpYuvToFile(): fail t open file for image dumping", __func__);
}
i++;
}