media: Rename stateful codec control macros

For historical reasons, stateful codec controls are named
as {}_MPEG_{}. While we can't at this point sanely
change all control IDs (such as V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER),
we can least change the more meaningful macros such as classes
macros.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/userspace-api/media/v4l/dev-mem2mem.rst

@@ -32,7 +32,7 @@ file handle is visible through another file handle).
 One of the most common memory-to-memory device is the codec. Codecs
 are more complicated than most and require additional setup for
 their codec parameters. This is done through codec controls.
-See :ref:`mpeg-controls`. More details on how to use codec memory-to-memory
+See :ref:`codec-controls`. More details on how to use codec memory-to-memory
 devices are given in the following sections.
 
 .. toctree::

Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst

@@ -1,6 +1,6 @@
 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
 
-.. _mpeg-controls:
+.. _codec-controls:
 
 ***********************
 Codec Control Reference
@@ -26,7 +26,7 @@ Generic Codec Controls
 Codec Control IDs
 -----------------
 
-``V4L2_CID_MPEG_CLASS (class)``
+``V4L2_CID_CODEC_CLASS (class)``
     The Codec class descriptor. Calling
     :ref:`VIDIOC_QUERYCTRL` for this control will
     return a description of this control class. This description can be

Documentation/userspace-api/media/v4l/extended-controls.rst

@@ -55,8 +55,8 @@ controls in that array and a control class. Control classes are used to
 group similar controls into a single class. For example, control class
 ``V4L2_CTRL_CLASS_USER`` contains all user controls (i. e. all controls
 that can also be set using the old :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>`
-ioctl). Control class ``V4L2_CTRL_CLASS_MPEG`` contains all controls
-relating to MPEG encoding, etc.
+ioctl). Control class ``V4L2_CTRL_CLASS_CODEC`` contains controls
+relating to codecs.
 
 All controls in the control array must belong to the specified control
 class. An error is returned if this is not the case.
@@ -130,9 +130,9 @@ control class is found:
 
 .. code-block:: c
 
-    qctrl.id = V4L2_CTRL_CLASS_MPEG | V4L2_CTRL_FLAG_NEXT_CTRL;
+    qctrl.id = V4L2_CTRL_CLASS_CODEC | V4L2_CTRL_FLAG_NEXT_CTRL;
     while (0 == ioctl(fd, VIDIOC_QUERYCTRL, &qctrl)) {
-	if (V4L2_CTRL_ID2CLASS(qctrl.id) != V4L2_CTRL_CLASS_MPEG)
+	if (V4L2_CTRL_ID2CLASS(qctrl.id) != V4L2_CTRL_CLASS_CODEC)
 	    break;
 	/* ... */
 	qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL;

Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst

@@ -322,10 +322,10 @@ still cause this situation.
 	:ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>` and
 	:ref:`VIDIOC_G_CTRL <VIDIOC_G_CTRL>` ioctl belong to this
 	class.
-    * - ``V4L2_CTRL_CLASS_MPEG``
+    * - ``V4L2_CTRL_CLASS_CODEC``
       - 0x990000
-      - The class containing MPEG compression controls. These controls are
-	described in :ref:`mpeg-controls`.
+      - The class containing stateful codec controls. These controls are
+	described in :ref:`codec-controls`.
     * - ``V4L2_CTRL_CLASS_CAMERA``
       - 0x9a0000
       - The class containing camera controls. These controls are described

drivers/media/common/cx2341x.c

@@ -166,7 +166,7 @@ static void cx2341x_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *ty
 
 /* Must be sorted from low to high control ID! */
 const u32 cx2341x_mpeg_ctrls[] = {
-	V4L2_CID_MPEG_CLASS,
+	V4L2_CID_CODEC_CLASS,
 	V4L2_CID_MPEG_STREAM_TYPE,
 	V4L2_CID_MPEG_STREAM_VBI_FMT,
 	V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
@@ -574,7 +574,7 @@ int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params,
 	int err;
 
 	switch (qctrl->id) {
-	case V4L2_CID_MPEG_CLASS:
+	case V4L2_CID_CODEC_CLASS:
 		return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
 	case V4L2_CID_MPEG_STREAM_TYPE:
 		return v4l2_ctrl_query_fill(qctrl,

drivers/media/platform/s5p-mfc/s5p_mfc_dec.c

@@ -1109,7 +1109,7 @@ const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
 	return &s5p_mfc_dec_ioctl_ops;
 }
 
-#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_MPEG) \
+#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_CODEC) \
 						&& V4L2_CTRL_DRIVER_PRIV(x))
 
 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)

drivers/media/platform/s5p-mfc/s5p_mfc_enc.c

@@ -2614,7 +2614,7 @@ const struct v4l2_ioctl_ops *get_enc_v4l2_ioctl_ops(void)
 	return &s5p_mfc_enc_ioctl_ops;
 }
 
-#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_MPEG) \
+#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_CODEC) \
 						&& V4L2_CTRL_DRIVER_PRIV(x))
 
 int s5p_mfc_enc_ctrls_setup(struct s5p_mfc_ctx *ctx)

drivers/media/v4l2-core/v4l2-ctrls.c

@@ -830,7 +830,7 @@ const char *v4l2_ctrl_get_name(u32 id)
 	/* The MPEG controls are applicable to all codec controls
 	 * and the 'MPEG' part of the define is historical */
 	/* Keep the order of the 'case's the same as in videodev2.h! */
-	case V4L2_CID_MPEG_CLASS:		return "Codec Controls";
+	case V4L2_CID_CODEC_CLASS:		return "Codec Controls";
 	case V4L2_CID_MPEG_STREAM_TYPE:		return "Stream Type";
 	case V4L2_CID_MPEG_STREAM_PID_PMT:	return "Stream PMT Program ID";
 	case V4L2_CID_MPEG_STREAM_PID_AUDIO:	return "Stream Audio Program ID";
@@ -1358,7 +1358,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
 		break;
 	case V4L2_CID_USER_CLASS:
 	case V4L2_CID_CAMERA_CLASS:
-	case V4L2_CID_MPEG_CLASS:
+	case V4L2_CID_CODEC_CLASS:
 	case V4L2_CID_FM_TX_CLASS:
 	case V4L2_CID_FLASH_CLASS:
 	case V4L2_CID_JPEG_CLASS:

include/media/fwht-ctrls.h

@@ -13,7 +13,7 @@
 
 #define V4L2_CTRL_TYPE_FWHT_PARAMS 0x0105
 
-#define V4L2_CID_MPEG_VIDEO_FWHT_PARAMS	(V4L2_CID_MPEG_BASE + 292)
+#define V4L2_CID_MPEG_VIDEO_FWHT_PARAMS	(V4L2_CID_CODEC_BASE + 292)
 
 struct v4l2_ctrl_fwht_params {
 	__u64 backward_ref_ts;

include/media/h264-ctrls.h

@@ -29,14 +29,14 @@
  * would be added during the phase where those controls are not
  * stable. It should be fixed eventually.
  */
-#define V4L2_CID_MPEG_VIDEO_H264_SPS		(V4L2_CID_MPEG_BASE+1000)
-#define V4L2_CID_MPEG_VIDEO_H264_PPS		(V4L2_CID_MPEG_BASE+1001)
-#define V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX	(V4L2_CID_MPEG_BASE+1002)
-#define V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS	(V4L2_CID_MPEG_BASE+1003)
-#define V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS	(V4L2_CID_MPEG_BASE+1004)
-#define V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE	(V4L2_CID_MPEG_BASE+1005)
-#define V4L2_CID_MPEG_VIDEO_H264_START_CODE	(V4L2_CID_MPEG_BASE+1006)
-#define V4L2_CID_MPEG_VIDEO_H264_PRED_WEIGHTS	(V4L2_CID_MPEG_BASE+1007)
+#define V4L2_CID_MPEG_VIDEO_H264_SPS		(V4L2_CID_CODEC_BASE+1000)
+#define V4L2_CID_MPEG_VIDEO_H264_PPS		(V4L2_CID_CODEC_BASE+1001)
+#define V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX	(V4L2_CID_CODEC_BASE+1002)
+#define V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS	(V4L2_CID_CODEC_BASE+1003)
+#define V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS	(V4L2_CID_CODEC_BASE+1004)
+#define V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE	(V4L2_CID_CODEC_BASE+1005)
+#define V4L2_CID_MPEG_VIDEO_H264_START_CODE	(V4L2_CID_CODEC_BASE+1006)
+#define V4L2_CID_MPEG_VIDEO_H264_PRED_WEIGHTS	(V4L2_CID_CODEC_BASE+1007)
 
 /* enum v4l2_ctrl_type type values */
 #define V4L2_CTRL_TYPE_H264_SPS			0x0110

include/media/hevc-ctrls.h

@@ -16,11 +16,11 @@
 /* The pixel format isn't stable at the moment and will likely be renamed. */
 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
 
-#define V4L2_CID_MPEG_VIDEO_HEVC_SPS		(V4L2_CID_MPEG_BASE + 1008)
-#define V4L2_CID_MPEG_VIDEO_HEVC_PPS		(V4L2_CID_MPEG_BASE + 1009)
-#define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS	(V4L2_CID_MPEG_BASE + 1010)
-#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE	(V4L2_CID_MPEG_BASE + 1015)
-#define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE	(V4L2_CID_MPEG_BASE + 1016)
+#define V4L2_CID_MPEG_VIDEO_HEVC_SPS		(V4L2_CID_CODEC_BASE + 1008)
+#define V4L2_CID_MPEG_VIDEO_HEVC_PPS		(V4L2_CID_CODEC_BASE + 1009)
+#define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS	(V4L2_CID_CODEC_BASE + 1010)
+#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE	(V4L2_CID_CODEC_BASE + 1015)
+#define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE	(V4L2_CID_CODEC_BASE + 1016)
 
 /* enum v4l2_ctrl_type type values */
 #define V4L2_CTRL_TYPE_HEVC_SPS 0x0120

include/media/mpeg2-ctrls.h

@@ -11,8 +11,8 @@
 #ifndef _MPEG2_CTRLS_H_
 #define _MPEG2_CTRLS_H_
 
-#define V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS		(V4L2_CID_MPEG_BASE+250)
-#define V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION		(V4L2_CID_MPEG_BASE+251)
+#define V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS		(V4L2_CID_CODEC_BASE+250)
+#define V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION		(V4L2_CID_CODEC_BASE+251)
 
 /* enum v4l2_ctrl_type type values */
 #define V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS 0x0103

include/media/vp8-ctrls.h

@@ -15,7 +15,7 @@
 
 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F')
 
-#define V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER (V4L2_CID_MPEG_BASE + 2000)
+#define V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER (V4L2_CID_CODEC_BASE + 2000)
 #define V4L2_CTRL_TYPE_VP8_FRAME_HEADER 0x301
 
 #define V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED              0x01