These controls allow modifying encoding parameters.
Signed-off-by: Pawel Osciak <posc...@chromium.org>
---
drivers/media/usb/uvc/uvc_ctrl.c | 445 +++++++++++++++++++++++++++++++++++++++
include/uapi/linux/usb/video.h | 23 ++
2 files changed, 468 insertions(+)
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index a0493d6..cd02c99 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -351,6 +351,167 @@ static struct uvc_control_info uvc_ctrls[] = {
| UVC_CTRL_FLAG_RESTORE
| UVC_CTRL_FLAG_AUTO_UPDATE,
},
+ /*
+ * All EU controls are marked as AUTO_UPDATE, because many are, and also
+ * we can't cache all of them as they are stream/layer dependent, which
+ * would be too slow/too much to cache.
+ */
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_PROFILE_TOOLSET_CONTROL,
+ .index = 1,
+ .size = 6,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_MIN_FRAME_INTERVAL_CONTROL,
+ .index = 3,
+ .size = 4,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_MIN | UVC_CTRL_FLAG_GET_MAX
+ | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SLICE_MODE_CONTROL,
+ .index = 4,
+ .size = 4,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_MIN | UVC_CTRL_FLAG_GET_MAX
+ | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_RATE_CONTROL_MODE_CONTROL,
+ .index = 5,
+ .size = 1,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_AVERAGE_BITRATE_CONTROL,
+ .index = 6,
+ .size = 4,
+ .flags = UVC_CTRL_FLAG_SET_CUR
+ | UVC_CTRL_FLAG_GET_RANGE
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_CPB_SIZE_CONTROL,
+ .index = 7,
+ .size = 4,
+ .flags = UVC_CTRL_FLAG_SET_CUR
+ | UVC_CTRL_FLAG_GET_RANGE
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_PEAK_BIT_RATE_CONTROL,
+ .index = 8,
+ .size = 4,
+ .flags = UVC_CTRL_FLAG_SET_CUR
+ | UVC_CTRL_FLAG_GET_RANGE
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_QUANTIZATION_PARAMS_CONTROL,
+ .index = 9,
+ .size = 6,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_MIN | UVC_CTRL_FLAG_GET_MAX
+ | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SYNC_REF_FRAME_CONTROL,
+ .index = 10,
+ .size = 4,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_MIN | UVC_CTRL_FLAG_GET_MAX
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LTR_BUFFER_CONTROL,
+ .index = 11,
+ .size = 2,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LTR_PICTURE_CONTROL,
+ .index = 12,
+ .size = 2,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LTR_VALIDATION_CONTROL,
+ .index = 13,
+ .size = 2,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LEVEL_IDC_LIMIT_CONTROL,
+ .index = 14,
+ .size = 1,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_MIN | UVC_CTRL_FLAG_GET_MAX
+ | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SEI_PAYLOADTYPE_CONTROL,
+ .index = 15,
+ .size = 8,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_DEF
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_QP_RANGE_CONTROL,
+ .index = 16,
+ .size = 2,
+ .flags = UVC_CTRL_FLAG_SET_CUR
+ | UVC_CTRL_FLAG_GET_RANGE
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_PRIORITY_CONTROL,
+ .index = 17,
+ .size = 1,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
+ {
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_ERROR_RESILIENCY_CONTROL,
+ .index = 19,
+ .size = 2,
+ .flags = UVC_CTRL_FLAG_SET_CUR | UVC_CTRL_FLAG_GET_CUR
+ | UVC_CTRL_FLAG_GET_DEF | UVC_CTRL_FLAG_GET_RES
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
+ },
};
static struct uvc_menu_info power_line_frequency_controls[] = {
@@ -366,6 +527,32 @@ static struct uvc_menu_info exposure_auto_controls[] = {
{ 8, "Aperture Priority Mode" },
};
+static struct uvc_menu_info rate_control_mode_controls[] = {
+ { 1, "VBR" },
+ { 2, "CBR" },
+ { 3, "Constant QP" },
+ { 4, "GVBR" },
+ { 5, "VBRN" },
+ { 6, "GVBRN" },
+};
+
+static struct uvc_menu_info encoder_vp8_sync_frame_type_controls[] = {
+ { 0, "Reset" },
+ { 1, "Generate Intra Frame" },
+ { 2, "GDR" },
+ { 3, "GDR and Update Golden" },
+ { 4, "GDR and Update Alt" },
+ { 5, "GDR and Update Golden + Alt" },
+ { 6, "Update Golden" },
+ { 7, "Update Alt" },
+ { 8, "Update Golden + Alt" },
+};
+
+static struct uvc_menu_info encoder_vp8_slice_mode_controls[] = {
+ { 0, "No Partitioning" },
+ { 1, "DCT Partitions Per Frame" },
+};
+
static __s32 uvc_ctrl_get_zoom(struct uvc_control_mapping *mapping,
__u8 query, const __u8 *data)
{
@@ -686,6 +873,264 @@ static struct uvc_control_mapping uvc_ctrl_mappings[] = {
.v4l2_type = V4L2_CTRL_TYPE_BOOLEAN,
.data_type = UVC_CTRL_DATA_TYPE_BOOLEAN,
},
+ /* Encoder controls. */
+ {
+ .id = V4L2_CID_ENCODER_H264_PROFILE_TOOLSET,
+ .name = "Encoder, H.264 profile/toolset",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_PROFILE_TOOLSET_CONTROL,
+ .size = 40,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_MIN_FRAME_INTERVAL,
+ .name = "Encoder, minimum frame interval",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_MIN_FRAME_INTERVAL_CONTROL,
+ .size = 32,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_VP8_SLICE_MODE,
+ .name = "Encoder, VP8 slice mode",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SLICE_MODE_CONTROL,
+ .size = 16,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_MENU,
+ .data_type = UVC_CTRL_DATA_TYPE_ENUM,
+ .menu_info = encoder_vp8_slice_mode_controls,
+ .menu_count = ARRAY_SIZE(encoder_vp8_slice_mode_controls),
+ },
+ {
+ .id = V4L2_CID_ENCODER_VP8_DCT_PARTS_PER_FRAME,
+ .name = "Encoder, VP8 DCT partns/frame",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SLICE_MODE_CONTROL,
+ .size = 16,
+ .offset = 16,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_RATE_CONTROL_MODE,
+ .name = "Encoder, rate control mode",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_RATE_CONTROL_MODE_CONTROL,
+ .size = 4,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_MENU,
+ .data_type = UVC_CTRL_DATA_TYPE_ENUM,
+ .menu_info = rate_control_mode_controls,
+ .menu_count = ARRAY_SIZE(rate_control_mode_controls),
+ },
+ {
+ .id = V4L2_CID_ENCODER_AVERAGE_BITRATE,
+ .name = "Encoder, average bitrate",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_AVERAGE_BITRATE_CONTROL,
+ .size = 32,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_CPB_SIZE,
+ .name = "Encoder, CPB size",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_CPB_SIZE_CONTROL,
+ .size = 32,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_PEAK_BIT_RATE,
+ .name = "Encoder, peak bit rate",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_PEAK_BIT_RATE_CONTROL,
+ .size = 32,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_QP_PARAM_I,
+ .name = "Encoder, QP param, I frames",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_QUANTIZATION_PARAMS_CONTROL,
+ .size = 16,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_QP_PARAM_P,
+ .name = "Encoder, QP param, P frames",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_QUANTIZATION_PARAMS_CONTROL,
+ .size = 16,
+ .offset = 16,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_QP_PARAM_BG,
+ .name = "Encoder, QP param, B/G frames",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_QUANTIZATION_PARAMS_CONTROL,
+ .size = 16,
+ .offset = 32,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_VP8_SYNC_FRAME_TYPE,
+ .name = "Encoder, VP8 sync frame type",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SYNC_REF_FRAME_CONTROL,
+ .size = 8,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_MENU,
+ .data_type = UVC_CTRL_DATA_TYPE_ENUM,
+ .menu_info = encoder_vp8_sync_frame_type_controls,
+ .menu_count =
+ ARRAY_SIZE(encoder_vp8_sync_frame_type_controls),
+ },
+ {
+ .id = V4L2_CID_ENCODER_SYNC_FRAME_INTERVAL,
+ .name = "Encoder, sync frame interval",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SYNC_REF_FRAME_CONTROL,
+ .size = 16,
+ .offset = 8,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_NUM_GDR_FRAMES,
+ .name = "Encoder, number of GDR frames",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SYNC_REF_FRAME_CONTROL,
+ .size = 8,
+ .offset = 24,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_LTR_BUFFER_CONTROL,
+ .name = "Encoder, LTR buffer control",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LTR_BUFFER_CONTROL,
+ .size = 8,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_LTR_BUFFER_TRUST_MODE,
+ .name = "Encoder, LTR buffer trust mode",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LTR_BUFFER_CONTROL,
+ .size = 8,
+ .offset = 8,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_LTR_PICTURE_POSITION,
+ .name = "Encoder, LTR picture position",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LTR_PICTURE_CONTROL,
+ .size = 8,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_LTR_PICTURE_MODE,
+ .name = "Encoder, LTR picture mode",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LTR_PICTURE_CONTROL,
+ .size = 8,
+ .offset = 8,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_LTR_VALIDATION,
+ .name = "Encoder, LTR validation",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LTR_VALIDATION_CONTROL,
+ .size = 16,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_BITMASK,
+ .data_type = UVC_CTRL_DATA_TYPE_BITMASK,
+ },
+ {
+ .id = V4L2_CID_ENCODER_H264_LEVEL_IDC_LIMIT,
+ .name = "Encoder, H.264 level IDC limit",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_LEVEL_IDC_LIMIT_CONTROL,
+ .size = 8,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_H264_SEI_PAYLOAD_TYPE,
+ .name = "Encoder, H.264 SEI payload type",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_SEI_PAYLOADTYPE_CONTROL,
+ .size = 64,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_BITMASK,
+ .data_type = UVC_CTRL_DATA_TYPE_BITMASK,
+ },
+ {
+ .id = V4L2_CID_ENCODER_MIN_QP,
+ .name = "Encoder, minimum QP param",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_QP_RANGE_CONTROL,
+ .size = 8,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_SIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_MAX_QP,
+ .name = "Encoder, maximum QP param",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_QP_RANGE_CONTROL,
+ .size = 8,
+ .offset = 8,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_SIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_H264_LAYER_PRIORITY,
+ .name = "Encoder, H.264 layer priority",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_PRIORITY_CONTROL,
+ .size = 8,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_INTEGER,
+ .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ },
+ {
+ .id = V4L2_CID_ENCODER_ERROR_RESILIENCY,
+ .name = "Encoder, error resiliency",
+ .entity = UVC_GUID_UVC_ENCODING,
+ .selector = UVC_EU_ERROR_RESILIENCY_CONTROL,
+ .size = 16,
+ .offset = 0,
+ .v4l2_type = V4L2_CTRL_TYPE_BITMASK,
+ .data_type = UVC_CTRL_DATA_TYPE_BITMASK,
+ },
};
/* ------------------------------------------------------------------------
diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h
index e09c50b..fd1d4b0 100644
--- a/include/uapi/linux/usb/video.h
+++ b/include/uapi/linux/usb/video.h
@@ -127,6 +127,29 @@
#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11
#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL 0x12
+/* Encoding Unit Control Selectors */
+#define UVC_EU_CONTROL_UNDEFINED 0x00
+#define UVC_EU_SELECT_LAYER_CONTROL 0x01
+#define UVC_EU_PROFILE_TOOLSET_CONTROL 0x02
+#define UVC_EU_VIDEO_RESOLUTION_CONTROL 0x03
+#define UVC_EU_MIN_FRAME_INTERVAL_CONTROL 0x04
+#define UVC_EU_SLICE_MODE_CONTROL 0x05
+#define UVC_EU_RATE_CONTROL_MODE_CONTROL 0x06
+#define UVC_EU_AVERAGE_BITRATE_CONTROL 0x07
+#define UVC_EU_CPB_SIZE_CONTROL 0x08
+#define UVC_EU_PEAK_BIT_RATE_CONTROL 0x09
+#define UVC_EU_QUANTIZATION_PARAMS_CONTROL 0x0a
+#define UVC_EU_SYNC_REF_FRAME_CONTROL 0x0b
+#define UVC_EU_LTR_BUFFER_CONTROL 0x0c
+#define UVC_EU_LTR_PICTURE_CONTROL 0x0d
+#define UVC_EU_LTR_VALIDATION_CONTROL 0x0e
+#define UVC_EU_LEVEL_IDC_LIMIT_CONTROL 0x0f
+#define UVC_EU_SEI_PAYLOADTYPE_CONTROL 0x10
+#define UVC_EU_QP_RANGE_CONTROL 0x11
+#define UVC_EU_PRIORITY_CONTROL 0x12
+#define UVC_EU_START_OR_STOP_LAYER_CONTROL 0x13
+#define UVC_EU_ERROR_RESILIENCY_CONTROL 0x14
+
/* A.9.7. VideoStreaming Interface Control Selectors */
#define UVC_VS_CONTROL_UNDEFINED 0x00
#define UVC_VS_PROBE_CONTROL 0x01
--
1.8.4
--
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