diff --git a/cmd/camera_direct.c b/cmd/camera_direct.c
index eed1712..d6c8eb0 100644
--- a/cmd/camera_direct.c
+++ b/cmd/camera_direct.c
@@ -17,9 +17,9 @@ int camera_configure_direct(camera_t *camera)
   buffer_list_t *src = camera->camera->capture_list;
 
   camera->codec_jpeg = device_open("JPEG", "/dev/video31");
-  camera->codec_jpeg->allow_dma = false;
+  camera->codec_jpeg->buf_sink = true;
   camera->codec_h264 = device_open("H264", "/dev/video11");
-  camera->codec_h264->allow_dma = false;
+  camera->codec_h264->buf_sink = true;
 
   if (device_open_buffer_list(camera->codec_jpeg, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
     device_open_buffer_list(camera->codec_jpeg, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_JPEG, 0, camera->nbufs) < 0) {
diff --git a/cmd/camera_isp.c b/cmd/camera_isp.c
index 0fa7311..810e759 100644
--- a/cmd/camera_isp.c
+++ b/cmd/camera_isp.c
@@ -22,7 +22,9 @@ int camera_configure_isp(camera_t *camera, float high_div, float low_div)
   camera->isp.isp_yuuv = device_open("ISP-YUUV", "/dev/video14");
   camera->isp.isp_yuuv->output_device = camera->isp.isp_srgb;
   camera->codec_jpeg = device_open("JPEG", "/dev/video31");
+  camera->codec_jpeg->buf_sink = true;
   camera->codec_h264 = device_open("H264", "/dev/video11");
+  camera->codec_h264->buf_sink = true;
 
   if (device_open_buffer_list(camera->isp.isp_srgb, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
     device_open_buffer_list(camera->isp.isp_yuuv, true, src->fmt_width / high_div, src->fmt_height / high_div, V4L2_PIX_FMT_YUYV, 0, camera->nbufs) < 0) {
diff --git a/cmd/camera_legacy_isp.c b/cmd/camera_legacy_isp.c
index 86d6c2a..40dad01 100644
--- a/cmd/camera_legacy_isp.c
+++ b/cmd/camera_legacy_isp.c
@@ -30,7 +30,9 @@ int camera_configure_legacy_isp(camera_t *camera, float div)
 
   camera->legacy_isp.isp = device_open("ISP", "/dev/video12");
   camera->codec_jpeg = device_open("JPEG", "/dev/video31");
+  camera->codec_jpeg->buf_sink = true;
   camera->codec_h264 = device_open("H264", "/dev/video11");
+  camera->codec_h264->buf_sink = true;
 
   if (device_open_buffer_list(camera->legacy_isp.isp, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
     device_open_buffer_list(camera->legacy_isp.isp, true, src->fmt_width / div, src->fmt_height / div, V4L2_PIX_FMT_YUYV, 0, camera->nbufs) < 0) {
diff --git a/hw/device.c b/hw/device.c
index 63ccc25..6b68944 100644
--- a/hw/device.c
+++ b/hw/device.c
@@ -62,7 +62,12 @@ int device_open_buffer_list(device_t *dev, bool do_capture, unsigned width, unsi
 
   if (do_capture) {
     buf_list = &dev->capture_list;
-    do_mmap = true;
+
+    if (dev->buf_sink) {
+      do_mmap = true;
+    } else {
+      do_mmap = dev->allow_dma;
+    }
 
     if (dev->capture_list) {
       E_LOG_ERROR(dev, "The capture_list is already created.");
diff --git a/hw/device.h b/hw/device.h
index c7f66a8..60cdea5 100644
--- a/hw/device.h
+++ b/hw/device.h
@@ -8,6 +8,7 @@ typedef struct device_s {
   int fd;
   struct v4l2_capability v4l2_cap;
   bool allow_dma;
+  bool buf_sink;
 
   struct buffer_list_s *capture_list;
   struct buffer_list_s *output_list;