mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-30 08:02:30 +00:00
media: vicodec: Add support for stateless decoder.
Implement a stateless decoder for the new node. Signed-off-by: Dafna Hirschfeld <dafna3@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> [hverkuil-cisco@xs4all.nl: add 'return 0;' before default case in vicodec_try_ctrl()] Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Dafna Hirschfeld
Mauro Carvalho Chehab
parent
fde649b418
commit
997deb811b
2 changed files with 264 additions and 24 deletions
|
|
@ -44,6 +44,7 @@ struct v4l2_fwht_state {
|
|||
struct fwht_raw_frame ref_frame;
|
||||
struct fwht_cframe_hdr header;
|
||||
u8 *compressed_frame;
|
||||
u64 ref_frame_ts;
|
||||
};
|
||||
|
||||
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat);
|
||||
|
|
|
|||
|
|
@ -213,6 +213,41 @@ static bool validate_by_version(unsigned int flags, unsigned int version)
|
|||
return true;
|
||||
}
|
||||
|
||||
static bool validate_stateless_params_flags(const struct v4l2_ctrl_fwht_params *params,
|
||||
const struct v4l2_fwht_pixfmt_info *cur_info)
|
||||
{
|
||||
unsigned int width_div =
|
||||
(params->flags & FWHT_FL_CHROMA_FULL_WIDTH) ? 1 : 2;
|
||||
unsigned int height_div =
|
||||
(params->flags & FWHT_FL_CHROMA_FULL_HEIGHT) ? 1 : 2;
|
||||
unsigned int components_num = 3;
|
||||
unsigned int pixenc = 0;
|
||||
|
||||
if (params->version < 3)
|
||||
return false;
|
||||
|
||||
components_num = 1 + ((params->flags & FWHT_FL_COMPONENTS_NUM_MSK) >>
|
||||
FWHT_FL_COMPONENTS_NUM_OFFSET);
|
||||
pixenc = (params->flags & FWHT_FL_PIXENC_MSK);
|
||||
if (v4l2_fwht_validate_fmt(cur_info, width_div, height_div,
|
||||
components_num, pixenc))
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
static void update_state_from_header(struct vicodec_ctx *ctx)
|
||||
{
|
||||
const struct fwht_cframe_hdr *p_hdr = &ctx->state.header;
|
||||
|
||||
ctx->state.visible_width = ntohl(p_hdr->width);
|
||||
ctx->state.visible_height = ntohl(p_hdr->height);
|
||||
ctx->state.colorspace = ntohl(p_hdr->colorspace);
|
||||
ctx->state.xfer_func = ntohl(p_hdr->xfer_func);
|
||||
ctx->state.ycbcr_enc = ntohl(p_hdr->ycbcr_enc);
|
||||
ctx->state.quantization = ntohl(p_hdr->quantization);
|
||||
}
|
||||
|
||||
static int device_process(struct vicodec_ctx *ctx,
|
||||
struct vb2_v4l2_buffer *src_vb,
|
||||
struct vb2_v4l2_buffer *dst_vb)
|
||||
|
|
@ -220,12 +255,48 @@ static int device_process(struct vicodec_ctx *ctx,
|
|||
struct vicodec_dev *dev = ctx->dev;
|
||||
struct v4l2_fwht_state *state = &ctx->state;
|
||||
u8 *p_src, *p_dst;
|
||||
int ret;
|
||||
int ret = 0;
|
||||
|
||||
if (ctx->is_enc)
|
||||
if (ctx->is_enc || ctx->is_stateless)
|
||||
p_src = vb2_plane_vaddr(&src_vb->vb2_buf, 0);
|
||||
else
|
||||
p_src = state->compressed_frame;
|
||||
|
||||
if (ctx->is_stateless) {
|
||||
struct media_request *src_req = src_vb->vb2_buf.req_obj.req;
|
||||
|
||||
ret = v4l2_ctrl_request_setup(src_req, &ctx->hdl);
|
||||
if (ret)
|
||||
return ret;
|
||||
update_state_from_header(ctx);
|
||||
|
||||
ctx->state.header.size =
|
||||
htonl(vb2_get_plane_payload(&src_vb->vb2_buf, 0));
|
||||
/*
|
||||
* set the reference buffer from the reference timestamp
|
||||
* only if this is a P-frame
|
||||
*/
|
||||
if (!(ntohl(ctx->state.header.flags) & FWHT_FL_I_FRAME)) {
|
||||
struct vb2_buffer *ref_vb2_buf;
|
||||
int ref_buf_idx;
|
||||
struct vb2_queue *vq_cap =
|
||||
v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
|
||||
V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
||||
|
||||
ref_buf_idx = vb2_find_timestamp(vq_cap,
|
||||
ctx->state.ref_frame_ts, 0);
|
||||
if (ref_buf_idx < 0)
|
||||
return -EINVAL;
|
||||
|
||||
ref_vb2_buf = vq_cap->bufs[ref_buf_idx];
|
||||
if (ref_vb2_buf->state == VB2_BUF_STATE_ERROR)
|
||||
ret = -EINVAL;
|
||||
ctx->state.ref_frame.buf =
|
||||
vb2_plane_vaddr(ref_vb2_buf, 0);
|
||||
} else {
|
||||
ctx->state.ref_frame.buf = NULL;
|
||||
}
|
||||
}
|
||||
p_dst = vb2_plane_vaddr(&dst_vb->vb2_buf, 0);
|
||||
if (!p_src || !p_dst) {
|
||||
v4l2_err(&dev->v4l2_dev,
|
||||
|
|
@ -254,11 +325,12 @@ static int device_process(struct vicodec_ctx *ctx,
|
|||
ret = v4l2_fwht_decode(state, p_src, p_dst);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
copy_cap_to_ref(p_dst, ctx->state.info, &ctx->state);
|
||||
if (!ctx->is_stateless)
|
||||
copy_cap_to_ref(p_dst, ctx->state.info, &ctx->state);
|
||||
|
||||
vb2_set_plane_payload(&dst_vb->vb2_buf, 0, q_dst->sizeimage);
|
||||
}
|
||||
return 0;
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -333,9 +405,13 @@ static void device_run(void *priv)
|
|||
struct vb2_v4l2_buffer *src_buf, *dst_buf;
|
||||
struct vicodec_q_data *q_src, *q_dst;
|
||||
u32 state;
|
||||
struct media_request *src_req;
|
||||
|
||||
|
||||
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
|
||||
dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
|
||||
src_req = src_buf->vb2_buf.req_obj.req;
|
||||
|
||||
q_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
|
||||
q_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
||||
|
||||
|
|
@ -354,7 +430,7 @@ static void device_run(void *priv)
|
|||
dst_buf->flags |= V4L2_BUF_FLAG_LAST;
|
||||
v4l2_event_queue_fh(&ctx->fh, &eos_event);
|
||||
}
|
||||
if (ctx->is_enc) {
|
||||
if (ctx->is_enc || ctx->is_stateless) {
|
||||
src_buf->sequence = q_src->sequence++;
|
||||
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
|
||||
v4l2_m2m_buf_done(src_buf, state);
|
||||
|
|
@ -366,6 +442,9 @@ static void device_run(void *priv)
|
|||
ctx->comp_has_next_frame = false;
|
||||
}
|
||||
v4l2_m2m_buf_done(dst_buf, state);
|
||||
if (ctx->is_stateless && src_req)
|
||||
v4l2_ctrl_request_complete(src_req, &ctx->hdl);
|
||||
|
||||
ctx->comp_size = 0;
|
||||
ctx->header_size = 0;
|
||||
ctx->comp_magic_cnt = 0;
|
||||
|
|
@ -444,6 +523,12 @@ static void update_capture_data_from_header(struct vicodec_ctx *ctx)
|
|||
unsigned int hdr_width_div = (flags & FWHT_FL_CHROMA_FULL_WIDTH) ? 1 : 2;
|
||||
unsigned int hdr_height_div = (flags & FWHT_FL_CHROMA_FULL_HEIGHT) ? 1 : 2;
|
||||
|
||||
/*
|
||||
* This function should not be used by a stateless codec since
|
||||
* it changes values in q_data that are not request specific
|
||||
*/
|
||||
WARN_ON(ctx->is_stateless);
|
||||
|
||||
q_dst->info = info;
|
||||
q_dst->visible_width = ntohl(p_hdr->width);
|
||||
q_dst->visible_height = ntohl(p_hdr->height);
|
||||
|
|
@ -496,7 +581,7 @@ static int job_ready(void *priv)
|
|||
|
||||
if (ctx->source_changed)
|
||||
return 0;
|
||||
if (ctx->is_enc || ctx->comp_has_frame)
|
||||
if (ctx->is_stateless || ctx->is_enc || ctx->comp_has_frame)
|
||||
return 1;
|
||||
|
||||
restart:
|
||||
|
|
@ -1254,6 +1339,14 @@ static int vicodec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int vicodec_buf_out_validate(struct vb2_buffer *vb)
|
||||
{
|
||||
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
||||
|
||||
vbuf->field = V4L2_FIELD_NONE;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vicodec_buf_prepare(struct vb2_buffer *vb)
|
||||
{
|
||||
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
||||
|
|
@ -1317,10 +1410,11 @@ static void vicodec_buf_queue(struct vb2_buffer *vb)
|
|||
}
|
||||
|
||||
/*
|
||||
* source change event is relevant only for the decoder
|
||||
* source change event is relevant only for the stateful decoder
|
||||
* in the compressed stream
|
||||
*/
|
||||
if (ctx->is_enc || !V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
|
||||
if (ctx->is_stateless || ctx->is_enc ||
|
||||
!V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
|
||||
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
|
||||
return;
|
||||
}
|
||||
|
|
@ -1368,12 +1462,33 @@ static void vicodec_return_bufs(struct vb2_queue *q, u32 state)
|
|||
vbuf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
|
||||
if (vbuf == NULL)
|
||||
return;
|
||||
v4l2_ctrl_request_complete(vbuf->vb2_buf.req_obj.req,
|
||||
&ctx->hdl);
|
||||
spin_lock(ctx->lock);
|
||||
v4l2_m2m_buf_done(vbuf, state);
|
||||
spin_unlock(ctx->lock);
|
||||
}
|
||||
}
|
||||
|
||||
static unsigned int total_frame_size(struct vicodec_q_data *q_data)
|
||||
{
|
||||
unsigned int size;
|
||||
unsigned int chroma_div;
|
||||
|
||||
if (!q_data->info) {
|
||||
WARN_ON(1);
|
||||
return 0;
|
||||
}
|
||||
size = q_data->coded_width * q_data->coded_height;
|
||||
chroma_div = q_data->info->width_div * q_data->info->height_div;
|
||||
|
||||
if (q_data->info->components_num == 4)
|
||||
return 2 * size + 2 * (size / chroma_div);
|
||||
else if (q_data->info->components_num == 3)
|
||||
return size + 2 * (size / chroma_div);
|
||||
return size;
|
||||
}
|
||||
|
||||
static int vicodec_start_streaming(struct vb2_queue *q,
|
||||
unsigned int count)
|
||||
{
|
||||
|
|
@ -1384,7 +1499,7 @@ static int vicodec_start_streaming(struct vb2_queue *q,
|
|||
unsigned int size = q_data->coded_width * q_data->coded_height;
|
||||
unsigned int chroma_div;
|
||||
unsigned int total_planes_size;
|
||||
u8 *new_comp_frame;
|
||||
u8 *new_comp_frame = NULL;
|
||||
|
||||
if (!info)
|
||||
return -EINVAL;
|
||||
|
|
@ -1407,12 +1522,8 @@ static int vicodec_start_streaming(struct vb2_queue *q,
|
|||
vicodec_return_bufs(q, VB2_BUF_STATE_QUEUED);
|
||||
return -EINVAL;
|
||||
}
|
||||
if (info->components_num == 4)
|
||||
total_planes_size = 2 * size + 2 * (size / chroma_div);
|
||||
else if (info->components_num == 3)
|
||||
total_planes_size = size + 2 * (size / chroma_div);
|
||||
else
|
||||
total_planes_size = size;
|
||||
total_planes_size = total_frame_size(q_data);
|
||||
ctx->comp_max_size = total_planes_size;
|
||||
|
||||
state->visible_width = q_data->visible_width;
|
||||
state->visible_height = q_data->visible_height;
|
||||
|
|
@ -1421,10 +1532,14 @@ static int vicodec_start_streaming(struct vb2_queue *q,
|
|||
state->stride = q_data->coded_width *
|
||||
info->bytesperline_mult;
|
||||
|
||||
if (ctx->is_stateless) {
|
||||
state->ref_stride = state->stride;
|
||||
return 0;
|
||||
}
|
||||
state->ref_stride = q_data->coded_width * info->luma_alpha_step;
|
||||
|
||||
state->ref_frame.buf = kvmalloc(total_planes_size, GFP_KERNEL);
|
||||
state->ref_frame.luma = state->ref_frame.buf;
|
||||
ctx->comp_max_size = total_planes_size;
|
||||
new_comp_frame = kvmalloc(ctx->comp_max_size, GFP_KERNEL);
|
||||
|
||||
if (!state->ref_frame.luma || !new_comp_frame) {
|
||||
|
|
@ -1472,7 +1587,8 @@ static void vicodec_stop_streaming(struct vb2_queue *q)
|
|||
|
||||
if ((!V4L2_TYPE_IS_OUTPUT(q->type) && !ctx->is_enc) ||
|
||||
(V4L2_TYPE_IS_OUTPUT(q->type) && ctx->is_enc)) {
|
||||
kvfree(ctx->state.ref_frame.buf);
|
||||
if (!ctx->is_stateless)
|
||||
kvfree(ctx->state.ref_frame.buf);
|
||||
ctx->state.ref_frame.buf = NULL;
|
||||
ctx->state.ref_frame.luma = NULL;
|
||||
ctx->comp_max_size = 0;
|
||||
|
|
@ -1488,14 +1604,24 @@ static void vicodec_stop_streaming(struct vb2_queue *q)
|
|||
}
|
||||
}
|
||||
|
||||
static void vicodec_buf_request_complete(struct vb2_buffer *vb)
|
||||
{
|
||||
struct vicodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
|
||||
|
||||
v4l2_ctrl_request_complete(vb->req_obj.req, &ctx->hdl);
|
||||
}
|
||||
|
||||
|
||||
static const struct vb2_ops vicodec_qops = {
|
||||
.queue_setup = vicodec_queue_setup,
|
||||
.buf_prepare = vicodec_buf_prepare,
|
||||
.buf_queue = vicodec_buf_queue,
|
||||
.start_streaming = vicodec_start_streaming,
|
||||
.stop_streaming = vicodec_stop_streaming,
|
||||
.wait_prepare = vb2_ops_wait_prepare,
|
||||
.wait_finish = vb2_ops_wait_finish,
|
||||
.queue_setup = vicodec_queue_setup,
|
||||
.buf_out_validate = vicodec_buf_out_validate,
|
||||
.buf_prepare = vicodec_buf_prepare,
|
||||
.buf_queue = vicodec_buf_queue,
|
||||
.buf_request_complete = vicodec_buf_request_complete,
|
||||
.start_streaming = vicodec_start_streaming,
|
||||
.stop_streaming = vicodec_stop_streaming,
|
||||
.wait_prepare = vb2_ops_wait_prepare,
|
||||
.wait_finish = vb2_ops_wait_finish,
|
||||
};
|
||||
|
||||
static int queue_init(void *priv, struct vb2_queue *src_vq,
|
||||
|
|
@ -1539,10 +1665,57 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
|
|||
return vb2_queue_init(dst_vq);
|
||||
}
|
||||
|
||||
static int vicodec_try_ctrl(struct v4l2_ctrl *ctrl)
|
||||
{
|
||||
struct vicodec_ctx *ctx = container_of(ctrl->handler,
|
||||
struct vicodec_ctx, hdl);
|
||||
const struct v4l2_ctrl_fwht_params *params;
|
||||
struct vicodec_q_data *q_dst = get_q_data(ctx,
|
||||
V4L2_BUF_TYPE_VIDEO_CAPTURE);
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS:
|
||||
if (!q_dst->info)
|
||||
return -EINVAL;
|
||||
params = ctrl->p_new.p_fwht_params;
|
||||
if (params->width > q_dst->coded_width ||
|
||||
params->width < MIN_WIDTH ||
|
||||
params->height > q_dst->coded_height ||
|
||||
params->height < MIN_HEIGHT)
|
||||
return -EINVAL;
|
||||
if (!validate_by_version(params->flags, params->version))
|
||||
return -EINVAL;
|
||||
if (!validate_stateless_params_flags(params, q_dst->info))
|
||||
return -EINVAL;
|
||||
return 0;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void update_header_from_stateless_params(struct vicodec_ctx *ctx,
|
||||
const struct v4l2_ctrl_fwht_params *params)
|
||||
{
|
||||
struct fwht_cframe_hdr *p_hdr = &ctx->state.header;
|
||||
|
||||
p_hdr->magic1 = FWHT_MAGIC1;
|
||||
p_hdr->magic2 = FWHT_MAGIC2;
|
||||
p_hdr->version = htonl(params->version);
|
||||
p_hdr->width = htonl(params->width);
|
||||
p_hdr->height = htonl(params->height);
|
||||
p_hdr->flags = htonl(params->flags);
|
||||
p_hdr->colorspace = htonl(params->colorspace);
|
||||
p_hdr->xfer_func = htonl(params->xfer_func);
|
||||
p_hdr->ycbcr_enc = htonl(params->ycbcr_enc);
|
||||
p_hdr->quantization = htonl(params->quantization);
|
||||
}
|
||||
|
||||
static int vicodec_s_ctrl(struct v4l2_ctrl *ctrl)
|
||||
{
|
||||
struct vicodec_ctx *ctx = container_of(ctrl->handler,
|
||||
struct vicodec_ctx, hdl);
|
||||
const struct v4l2_ctrl_fwht_params *params;
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
|
||||
|
|
@ -1554,15 +1727,22 @@ static int vicodec_s_ctrl(struct v4l2_ctrl *ctrl)
|
|||
case V4L2_CID_FWHT_P_FRAME_QP:
|
||||
ctx->state.p_frame_qp = ctrl->val;
|
||||
return 0;
|
||||
case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS:
|
||||
params = ctrl->p_new.p_fwht_params;
|
||||
update_header_from_stateless_params(ctx, params);
|
||||
ctx->state.ref_frame_ts = params->backward_ref_ts;
|
||||
return 0;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static const struct v4l2_ctrl_ops vicodec_ctrl_ops = {
|
||||
.s_ctrl = vicodec_s_ctrl,
|
||||
.try_ctrl = vicodec_try_ctrl,
|
||||
};
|
||||
|
||||
static const struct v4l2_ctrl_config vicodec_ctrl_stateless_state = {
|
||||
.ops = &vicodec_ctrl_ops,
|
||||
.id = V4L2_CID_MPEG_VIDEO_FWHT_PARAMS,
|
||||
.elem_size = sizeof(struct v4l2_ctrl_fwht_params),
|
||||
};
|
||||
|
|
@ -1687,6 +1867,59 @@ static int vicodec_release(struct file *file)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int vicodec_request_validate(struct media_request *req)
|
||||
{
|
||||
struct media_request_object *obj;
|
||||
struct v4l2_ctrl_handler *parent_hdl, *hdl;
|
||||
struct vicodec_ctx *ctx = NULL;
|
||||
struct v4l2_ctrl *ctrl;
|
||||
unsigned int count;
|
||||
|
||||
list_for_each_entry(obj, &req->objects, list) {
|
||||
struct vb2_buffer *vb;
|
||||
|
||||
if (vb2_request_object_is_buffer(obj)) {
|
||||
vb = container_of(obj, struct vb2_buffer, req_obj);
|
||||
ctx = vb2_get_drv_priv(vb->vb2_queue);
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!ctx) {
|
||||
pr_err("No buffer was provided with the request\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
count = vb2_request_buffer_cnt(req);
|
||||
if (!count) {
|
||||
v4l2_info(&ctx->dev->v4l2_dev,
|
||||
"No buffer was provided with the request\n");
|
||||
return -ENOENT;
|
||||
} else if (count > 1) {
|
||||
v4l2_info(&ctx->dev->v4l2_dev,
|
||||
"More than one buffer was provided with the request\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
parent_hdl = &ctx->hdl;
|
||||
|
||||
hdl = v4l2_ctrl_request_hdl_find(req, parent_hdl);
|
||||
if (!hdl) {
|
||||
v4l2_info(&ctx->dev->v4l2_dev, "Missing codec control\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
ctrl = v4l2_ctrl_request_hdl_ctrl_find(hdl,
|
||||
vicodec_ctrl_stateless_state.id);
|
||||
if (!ctrl) {
|
||||
v4l2_info(&ctx->dev->v4l2_dev,
|
||||
"Missing required codec control\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
return vb2_request_validate(req);
|
||||
}
|
||||
|
||||
static const struct v4l2_file_operations vicodec_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = vicodec_open,
|
||||
|
|
@ -1705,6 +1938,11 @@ static const struct video_device vicodec_videodev = {
|
|||
.release = video_device_release_empty,
|
||||
};
|
||||
|
||||
static const struct media_device_ops vicodec_m2m_media_ops = {
|
||||
.req_validate = vicodec_request_validate,
|
||||
.req_queue = v4l2_m2m_request_queue,
|
||||
};
|
||||
|
||||
static const struct v4l2_m2m_ops m2m_ops = {
|
||||
.device_run = device_run,
|
||||
.job_ready = job_ready,
|
||||
|
|
@ -1771,6 +2009,7 @@ static int vicodec_probe(struct platform_device *pdev)
|
|||
strscpy(dev->mdev.bus_info, "platform:vicodec",
|
||||
sizeof(dev->mdev.bus_info));
|
||||
media_device_init(&dev->mdev);
|
||||
dev->mdev.ops = &vicodec_m2m_media_ops;
|
||||
dev->v4l2_dev.mdev = &dev->mdev;
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue