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drivers/video: enhance v4l2 compatibility
Add common BSD v4l2 header file Complete ioctls according to standard v4l2 drivers Signed-off-by: Peter Bee <bijunda1@xiaomi.com>
This commit is contained in:
Peter Bee
Xiang Xiao
+96
-3
@@ -60,7 +60,7 @@
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#define VIDEO_SCENE_MAX (sizeof(g_video_scene_parameter) / \
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sizeof(video_scene_params_t))
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#define VIDEO_ID(x, y) (((x) << 16) | y)
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#define VIDEO_ID(x, y) (((x) << 16) | (y))
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/****************************************************************************
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* Private Types
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@@ -222,7 +222,13 @@ static int validate_frame_setting(enum v4l2_buf_type type,
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/* internal function for each cmds of ioctl */
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static ssize_t video_read(FAR struct file *filep, FAR char *buffer,
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size_t buflen);
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static ssize_t video_write(FAR struct file *filep, FAR const char *buffer,
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size_t buflen);
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static int video_querycap(FAR struct v4l2_capability *cap);
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static int video_g_input(FAR int *num);
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static int video_enum_input(FAR struct v4l2_input *input);
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static int video_reqbufs(FAR struct video_mng_s *vmng,
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FAR struct v4l2_requestbuffers *reqbufs);
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static int video_qbuf(FAR struct video_mng_s *vmng,
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@@ -231,8 +237,14 @@ static int video_dqbuf(FAR struct video_mng_s *vmng,
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FAR struct v4l2_buffer *buf);
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static int video_cancel_dqbuf(FAR struct video_mng_s *vmng,
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enum v4l2_buf_type type);
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static int video_g_fmt(FAR struct video_mng_s *priv,
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FAR struct v4l2_format *fmt);
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static int video_s_fmt(FAR struct video_mng_s *priv,
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FAR struct v4l2_format *fmt);
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static int video_try_fmt(FAR struct video_mng_s *priv,
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FAR struct v4l2_format *v4l2);
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static int video_g_parm(FAR struct video_mng_s *priv,
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FAR struct v4l2_streamparm *parm);
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static int video_s_parm(FAR struct video_mng_s *priv,
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FAR struct v4l2_streamparm *parm);
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static int video_streamon(FAR struct video_mng_s *vmng,
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@@ -270,8 +282,8 @@ static const struct file_operations g_video_fops =
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{
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video_open, /* open */
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video_close, /* close */
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NULL, /* read */
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NULL, /* write */
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video_read, /* read */
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video_write, /* write */
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NULL, /* seek */
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video_ioctl, /* ioctl */
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NULL /* poll */
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@@ -1069,6 +1081,18 @@ static int video_close(FAR struct file *filep)
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return ret;
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}
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static ssize_t video_read(FAR struct file *filep, FAR char *buffer,
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size_t buflen)
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{
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return -ENOTSUP;
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}
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static ssize_t video_write(FAR struct file *filep, FAR const char *buffer,
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size_t buflen)
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{
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return -ENOTSUP;
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}
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static int video_querycap(FAR struct v4l2_capability *cap)
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{
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FAR const char *name;
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@@ -1092,6 +1116,30 @@ static int video_querycap(FAR struct v4l2_capability *cap)
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/* cap->driver needs to be NULL-terminated. */
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strlcpy((FAR char *)cap->driver, name, sizeof(cap->driver));
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cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
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return OK;
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}
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static int video_g_input(FAR int *num)
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{
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*num = 0;
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return OK;
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}
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static int video_enum_input(FAR struct v4l2_input *input)
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{
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FAR const char *name;
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if (input->index > 0)
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{
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return -EINVAL;
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}
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name = g_video_sensor_ops->get_driver_name();
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strlcpy((FAR char *)input->name, name, sizeof(input->name));
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input->type = V4L2_INPUT_TYPE_CAMERA;
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return OK;
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}
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@@ -1547,6 +1595,25 @@ static int video_try_fmt(FAR struct video_mng_s *priv,
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&type_inf->frame_interval);
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}
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static int video_g_fmt(FAR struct video_mng_s *priv,
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FAR struct v4l2_format *fmt)
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{
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FAR video_type_inf_t *type_inf;
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type_inf = get_video_type_inf(priv, fmt->type);
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if (type_inf == NULL)
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{
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return -EINVAL;
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}
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memset(fmt, 0, sizeof(*fmt));
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fmt->fmt.pix.width = type_inf->fmt[VIDEO_FMT_MAIN].width;
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fmt->fmt.pix.height = type_inf->fmt[VIDEO_FMT_MAIN].height;
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fmt->fmt.pix.pixelformat = type_inf->fmt[VIDEO_FMT_MAIN].pixelformat;
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return OK;
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}
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static int video_s_fmt(FAR struct video_mng_s *priv,
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FAR struct v4l2_format *fmt)
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{
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@@ -1679,6 +1746,7 @@ static int video_g_parm(FAR struct video_mng_s *vmng,
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sizeof(struct v4l2_fract));
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}
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parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
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return OK;
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}
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@@ -2936,6 +3004,16 @@ static int video_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
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break;
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case VIDIOC_G_INPUT:
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ret = video_g_input((FAR int *)arg);
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break;
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case VIDIOC_ENUMINPUT:
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ret = video_enum_input((FAR struct v4l2_input *)arg);
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break;
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case VIDIOC_REQBUFS:
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ret = video_reqbufs(priv, (FAR struct v4l2_requestbuffers *)arg);
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@@ -2996,6 +3074,11 @@ static int video_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
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break;
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case VIDIOC_G_FMT:
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ret = video_g_fmt(priv, (FAR struct v4l2_format *)arg);
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break;
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case VIDIOC_S_FMT:
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ret = video_s_fmt(priv, (FAR struct v4l2_format *)arg);
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@@ -3046,6 +3129,16 @@ static int video_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
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break;
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case VIDIOC_G_STD:
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ret = -ENODATA;
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break;
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case VIDIOC_S_STD:
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ret = -EINVAL;
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break;
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case V4SIOC_QUERY_EXT_CTRL_SCENE:
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ret = video_query_ext_ctrl_scene
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((FAR struct v4s_query_ext_ctrl_scene *)arg);
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+609
-113
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,25 @@
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/****************************************************************************
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* include/sys/videoio.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/video/video.h>
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