diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-11 05:19:59 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 12:43:59 -0300 |
commit | 9b8451d5af25ca79f63066e1312526ffee606a76 (patch) | |
tree | f57a2b87d2d7cff5a6052ec3d061c315ed475544 /drivers/staging/media/go7007/go7007-v4l2.c | |
parent | d5d3a7cc127d096c22ad63c4ff72970e1beb22ef (diff) | |
download | op-kernel-dev-9b8451d5af25ca79f63066e1312526ffee606a76.zip op-kernel-dev-9b8451d5af25ca79f63066e1312526ffee606a76.tar.gz |
[media] go7007: convert to the control framework and remove obsolete JPEGCOMP support
Just add a read-only V4L2_CID_JPEG_ACTIVE_MARKER control to replace
the JPEGCOMP support.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/media/go7007/go7007-v4l2.c')
-rw-r--r-- | drivers/staging/media/go7007/go7007-v4l2.c | 249 |
1 files changed, 60 insertions, 189 deletions
diff --git a/drivers/staging/media/go7007/go7007-v4l2.c b/drivers/staging/media/go7007/go7007-v4l2.c index 216c94a..b794743 100644 --- a/drivers/staging/media/go7007/go7007-v4l2.c +++ b/drivers/staging/media/go7007/go7007-v4l2.c @@ -42,9 +42,6 @@ #ifndef V4L2_MPEG_STREAM_TYPE_MPEG_ELEM #define V4L2_MPEG_STREAM_TYPE_MPEG_ELEM 6 /* MPEG elementary stream */ #endif -#ifndef V4L2_MPEG_VIDEO_ENCODING_MPEG_4 -#define V4L2_MPEG_VIDEO_ENCODING_MPEG_4 3 -#endif #define call_all(dev, o, f, args...) \ v4l2_device_call_until_err(dev, 0, o, f, ##args) @@ -387,67 +384,18 @@ static int clip_to_modet_map(struct go7007 *go, int region, } #endif -static int mpeg_query_ctrl(struct v4l2_queryctrl *ctrl) +static int go7007_s_ctrl(struct v4l2_ctrl *ctrl) { - static const u32 mpeg_ctrls[] = { - V4L2_CID_MPEG_CLASS, - V4L2_CID_MPEG_STREAM_TYPE, - V4L2_CID_MPEG_VIDEO_ENCODING, - V4L2_CID_MPEG_VIDEO_ASPECT, - V4L2_CID_MPEG_VIDEO_GOP_SIZE, - V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, - V4L2_CID_MPEG_VIDEO_BITRATE, - 0 - }; - static const u32 *ctrl_classes[] = { - mpeg_ctrls, - NULL - }; - - ctrl->id = v4l2_ctrl_next(ctrl_classes, ctrl->id); - - switch (ctrl->id) { - case V4L2_CID_MPEG_CLASS: - return v4l2_ctrl_query_fill(ctrl, 0, 0, 0, 0); - case V4L2_CID_MPEG_STREAM_TYPE: - return v4l2_ctrl_query_fill(ctrl, - V4L2_MPEG_STREAM_TYPE_MPEG2_DVD, - V4L2_MPEG_STREAM_TYPE_MPEG_ELEM, 1, - V4L2_MPEG_STREAM_TYPE_MPEG_ELEM); - case V4L2_CID_MPEG_VIDEO_ENCODING: - return v4l2_ctrl_query_fill(ctrl, - V4L2_MPEG_VIDEO_ENCODING_MPEG_1, - V4L2_MPEG_VIDEO_ENCODING_MPEG_4, 1, - V4L2_MPEG_VIDEO_ENCODING_MPEG_2); - case V4L2_CID_MPEG_VIDEO_ASPECT: - return v4l2_ctrl_query_fill(ctrl, - V4L2_MPEG_VIDEO_ASPECT_1x1, - V4L2_MPEG_VIDEO_ASPECT_16x9, 1, - V4L2_MPEG_VIDEO_ASPECT_1x1); - case V4L2_CID_MPEG_VIDEO_GOP_SIZE: - return v4l2_ctrl_query_fill(ctrl, 0, 34, 1, 15); - case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: - return v4l2_ctrl_query_fill(ctrl, 0, 1, 1, 0); - case V4L2_CID_MPEG_VIDEO_BITRATE: - return v4l2_ctrl_query_fill(ctrl, - 64000, - 10000000, 1, - 1500000); - default: - return -EINVAL; - } - return 0; -} + struct go7007 *go = + container_of(ctrl->handler, struct go7007, hdl); -static int mpeg_s_ctrl(struct v4l2_control *ctrl, struct go7007 *go) -{ /* pretty sure we can't change any of these while streaming */ if (go->streaming) return -EBUSY; switch (ctrl->id) { case V4L2_CID_MPEG_STREAM_TYPE: - switch (ctrl->value) { + switch (ctrl->val) { case V4L2_MPEG_STREAM_TYPE_MPEG2_DVD: go->format = GO7007_FORMAT_MPEG2; go->bitrate = 9800000; @@ -459,15 +407,12 @@ static int mpeg_s_ctrl(struct v4l2_control *ctrl, struct go7007 *go) go->gop_header_enable = 1; go->dvd_mode = 1; break; - case V4L2_MPEG_STREAM_TYPE_MPEG_ELEM: - /* todo: */ - break; default: return -EINVAL; } break; case V4L2_CID_MPEG_VIDEO_ENCODING: - switch (ctrl->value) { + switch (ctrl->val) { case V4L2_MPEG_VIDEO_ENCODING_MPEG_1: go->format = GO7007_FORMAT_MPEG1; go->pali = 0; @@ -479,7 +424,7 @@ static int mpeg_s_ctrl(struct v4l2_control *ctrl, struct go7007 *go) else*/ go->pali = 0x48; break; - case V4L2_MPEG_VIDEO_ENCODING_MPEG_4: + case V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC: go->format = GO7007_FORMAT_MPEG4; /*if (mpeg->pali >> 24 == 4) go->pali = mpeg->pali & 0xff; @@ -499,9 +444,10 @@ static int mpeg_s_ctrl(struct v4l2_control *ctrl, struct go7007 *go) go->dvd_mode = 0; break; case V4L2_CID_MPEG_VIDEO_ASPECT: + /* TODO: is this really the right thing to do for mjpeg? */ if (go->format == GO7007_FORMAT_MJPEG) return -EINVAL; - switch (ctrl->value) { + switch (ctrl->val) { case V4L2_MPEG_VIDEO_ASPECT_1x1: go->aspect_ratio = GO7007_RATIO_1_1; break; @@ -511,80 +457,18 @@ static int mpeg_s_ctrl(struct v4l2_control *ctrl, struct go7007 *go) case V4L2_MPEG_VIDEO_ASPECT_16x9: go->aspect_ratio = GO7007_RATIO_16_9; break; - case V4L2_MPEG_VIDEO_ASPECT_221x100: - default: - return -EINVAL; - } - break; - case V4L2_CID_MPEG_VIDEO_GOP_SIZE: - if (ctrl->value < 0 || ctrl->value > 34) - return -EINVAL; - go->gop_size = ctrl->value; - break; - case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: - if (ctrl->value != 0 && ctrl->value != 1) - return -EINVAL; - go->closed_gop = ctrl->value; - break; - case V4L2_CID_MPEG_VIDEO_BITRATE: - /* Upper bound is kind of arbitrary here */ - if (ctrl->value < 64000 || ctrl->value > 10000000) - return -EINVAL; - go->bitrate = ctrl->value; - break; - default: - return -EINVAL; - } - return 0; -} - -static int mpeg_g_ctrl(struct v4l2_control *ctrl, struct go7007 *go) -{ - switch (ctrl->id) { - case V4L2_CID_MPEG_STREAM_TYPE: - if (go->dvd_mode) - ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_DVD; - else - ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG_ELEM; - break; - case V4L2_CID_MPEG_VIDEO_ENCODING: - switch (go->format) { - case GO7007_FORMAT_MPEG1: - ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_1; - break; - case GO7007_FORMAT_MPEG2: - ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_2; - break; - case GO7007_FORMAT_MPEG4: - ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4; - break; - default: - return -EINVAL; - } - break; - case V4L2_CID_MPEG_VIDEO_ASPECT: - switch (go->aspect_ratio) { - case GO7007_RATIO_1_1: - ctrl->value = V4L2_MPEG_VIDEO_ASPECT_1x1; - break; - case GO7007_RATIO_4_3: - ctrl->value = V4L2_MPEG_VIDEO_ASPECT_4x3; - break; - case GO7007_RATIO_16_9: - ctrl->value = V4L2_MPEG_VIDEO_ASPECT_16x9; - break; default: return -EINVAL; } break; case V4L2_CID_MPEG_VIDEO_GOP_SIZE: - ctrl->value = go->gop_size; + go->gop_size = ctrl->val; break; case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: - ctrl->value = go->closed_gop; + go->closed_gop = ctrl->val; break; case V4L2_CID_MPEG_VIDEO_BITRATE: - ctrl->value = go->bitrate; + go->bitrate = ctrl->val; break; default: return -EINVAL; @@ -968,41 +852,6 @@ static int vidioc_streamoff(struct file *file, void *priv, return 0; } -static int vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *query) -{ - struct go7007 *go = ((struct go7007_file *) priv)->go; - int id = query->id; - - if (0 == call_all(&go->v4l2_dev, core, queryctrl, query)) - return 0; - - query->id = id; - return mpeg_query_ctrl(query); -} - -static int vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct go7007 *go = ((struct go7007_file *) priv)->go; - - if (0 == call_all(&go->v4l2_dev, core, g_ctrl, ctrl)) - return 0; - - return mpeg_g_ctrl(ctrl, go); -} - -static int vidioc_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct go7007 *go = ((struct go7007_file *) priv)->go; - - if (0 == call_all(&go->v4l2_dev, core, s_ctrl, ctrl)) - return 0; - - return mpeg_s_ctrl(ctrl, go); -} - static int vidioc_g_parm(struct file *filp, void *priv, struct v4l2_streamparm *parm) { @@ -1423,28 +1272,6 @@ static int vidioc_s_crop(struct file *file, void *priv, const struct v4l2_crop * return 0; } -static int vidioc_g_jpegcomp(struct file *file, void *priv, - struct v4l2_jpegcompression *params) -{ - memset(params, 0, sizeof(*params)); - params->quality = 50; /* ?? */ - params->jpeg_markers = V4L2_JPEG_MARKER_DHT | - V4L2_JPEG_MARKER_DQT; - - return 0; -} - -static int vidioc_s_jpegcomp(struct file *file, void *priv, - const struct v4l2_jpegcompression *params) -{ - if (params->quality != 50 || - params->jpeg_markers != (V4L2_JPEG_MARKER_DHT | - V4L2_JPEG_MARKER_DQT)) - return -EINVAL; - - return 0; -} - /* FIXME: Those ioctls are private, and not needed, since several standard extended controls already provide streaming control. @@ -1782,6 +1609,10 @@ static struct v4l2_file_operations go7007_fops = { .poll = go7007_poll, }; +static struct v4l2_ctrl_ops go7007_ctrl_ops = { + .s_ctrl = go7007_s_ctrl, +}; + static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_querycap = vidioc_querycap, .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, @@ -1801,9 +1632,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_enumaudio = vidioc_enumaudio, .vidioc_g_audio = vidioc_g_audio, .vidioc_s_audio = vidioc_s_audio, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, .vidioc_g_tuner = vidioc_g_tuner, @@ -1817,8 +1645,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_cropcap = vidioc_cropcap, .vidioc_g_crop = vidioc_g_crop, .vidioc_s_crop = vidioc_s_crop, - .vidioc_g_jpegcomp = vidioc_g_jpegcomp, - .vidioc_s_jpegcomp = vidioc_s_jpegcomp, }; static struct video_device go7007_template = { @@ -1829,6 +1655,50 @@ static struct video_device go7007_template = { .tvnorms = V4L2_STD_ALL, }; +int go7007_v4l2_ctrl_init(struct go7007 *go) +{ + struct v4l2_ctrl_handler *hdl = &go->hdl; + struct v4l2_ctrl *ctrl; + + v4l2_ctrl_handler_init(hdl, 12); + v4l2_ctrl_new_std_menu(hdl, &go7007_ctrl_ops, + V4L2_CID_MPEG_STREAM_TYPE, + V4L2_MPEG_STREAM_TYPE_MPEG2_DVD, + 0x7, + V4L2_MPEG_STREAM_TYPE_MPEG2_DVD); + v4l2_ctrl_new_std_menu(hdl, &go7007_ctrl_ops, + V4L2_CID_MPEG_VIDEO_ENCODING, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, + 0, + V4L2_MPEG_VIDEO_ENCODING_MPEG_2); + v4l2_ctrl_new_std_menu(hdl, &go7007_ctrl_ops, + V4L2_CID_MPEG_VIDEO_ASPECT, + V4L2_MPEG_VIDEO_ASPECT_16x9, + 0, + V4L2_MPEG_VIDEO_ASPECT_1x1); + v4l2_ctrl_new_std(hdl, &go7007_ctrl_ops, + V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, 34, 1, 15); + v4l2_ctrl_new_std(hdl, &go7007_ctrl_ops, + V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, 0, 1, 1, 0); + v4l2_ctrl_new_std(hdl, &go7007_ctrl_ops, + V4L2_CID_MPEG_VIDEO_BITRATE, + 64000, 10000000, 1, 1500000); + ctrl = v4l2_ctrl_new_std(hdl, &go7007_ctrl_ops, + V4L2_CID_JPEG_ACTIVE_MARKER, 0, + V4L2_JPEG_ACTIVE_MARKER_DQT | V4L2_JPEG_ACTIVE_MARKER_DHT, 0, + V4L2_JPEG_ACTIVE_MARKER_DQT | V4L2_JPEG_ACTIVE_MARKER_DHT); + if (ctrl) + ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + if (hdl->error) { + int rv = hdl->error; + + v4l2_err(&go->v4l2_dev, "Could not register controls\n"); + return rv; + } + go->v4l2_dev.ctrl_handler = hdl; + return 0; +} + int go7007_v4l2_init(struct go7007 *go) { int rv; @@ -1869,4 +1739,5 @@ void go7007_v4l2_remove(struct go7007 *go) spin_unlock_irqrestore(&go->spinlock, flags); } mutex_unlock(&go->hw_lock); + v4l2_ctrl_handler_free(&go->hdl); } |