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标题: vaapi libva va_getDriverName() returns -1 求助 [打印本页]

作者: x5762210 时间: 2017-3-27 10:16
标题: vaapi libva va_getDriverName() returns -1 求助
libva info: VA-API version 0.39.0
libva info: va_getDriverName() returns -1
libva info: User requested driver 'rockchip'
libva info: Trying to open /usr/lib/arm-linux-gnueabihf/dri/rockchip_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva info: va_openDriver() returns 0

   VADisplay va_dpy;
   va_status = vaInitialize(va_dpy, &major_version, &minor_version);

   VADriverContextP ctx;
   ctx = CTX(dpy);
   vaStatus = va_getDriverName(dpy, &driver_name);
if (!ctx->override_driver_name) {
      va_infoMessage("va_getDriverName() returns %d\n", vaStatus);

      driver_name_env = getenv("LIBVA_DRIVER_NAME");
} else if (vaStatus == VA_STATUS_SUCCESS) {
      if (driver_name)
         free(driver_name);

      driver_name = strdup(ctx->override_driver_name);
      if (!driver_name) {
         vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED;
         va_errorMessage("vaInitialize() failed with %s, out of memory\n",
                     vaErrorStr(vaStatus));
         return vaStatus;
      }
      va_infoMessage("User requested driver '%s'\n", driver_name);
}

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