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path: root/drivers/media/platform/vicodec/vicodec-core.c
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Diffstat (limited to 'drivers/media/platform/vicodec/vicodec-core.c')
-rw-r--r--drivers/media/platform/vicodec/vicodec-core.c762
1 files changed, 545 insertions, 217 deletions
diff --git a/drivers/media/platform/vicodec/vicodec-core.c b/drivers/media/platform/vicodec/vicodec-core.c
index d7636fe9e174..bd01a9206aa6 100644
--- a/drivers/media/platform/vicodec/vicodec-core.c
+++ b/drivers/media/platform/vicodec/vicodec-core.c
@@ -64,6 +64,10 @@ static const struct v4l2_fwht_pixfmt_info pixfmt_fwht = {
V4L2_PIX_FMT_FWHT, 0, 3, 1, 1, 1, 1, 1, 0, 1
};
+static const struct v4l2_fwht_pixfmt_info pixfmt_stateless_fwht = {
+ V4L2_PIX_FMT_FWHT_STATELESS, 0, 3, 1, 1, 1, 1, 1, 0, 1
+};
+
static void vicodec_dev_release(struct device *dev)
{
}
@@ -89,27 +93,29 @@ enum {
V4L2_M2M_DST = 1,
};
+struct vicodec_dev_instance {
+ struct video_device vfd;
+ struct mutex mutex;
+ spinlock_t lock;
+ struct v4l2_m2m_dev *m2m_dev;
+};
+
struct vicodec_dev {
struct v4l2_device v4l2_dev;
- struct video_device enc_vfd;
- struct video_device dec_vfd;
+ struct vicodec_dev_instance stateful_enc;
+ struct vicodec_dev_instance stateful_dec;
+ struct vicodec_dev_instance stateless_dec;
#ifdef CONFIG_MEDIA_CONTROLLER
struct media_device mdev;
#endif
- struct mutex enc_mutex;
- struct mutex dec_mutex;
- spinlock_t enc_lock;
- spinlock_t dec_lock;
-
- struct v4l2_m2m_dev *enc_dev;
- struct v4l2_m2m_dev *dec_dev;
};
struct vicodec_ctx {
struct v4l2_fh fh;
struct vicodec_dev *dev;
bool is_enc;
+ bool is_stateless;
spinlock_t *lock;
struct v4l2_ctrl_handler hdl;
@@ -148,27 +154,149 @@ static struct vicodec_q_data *get_q_data(struct vicodec_ctx *ctx,
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
return &ctx->q_data[V4L2_M2M_DST];
default:
- WARN_ON(1);
break;
}
return NULL;
}
+static void copy_cap_to_ref(const u8 *cap, const struct v4l2_fwht_pixfmt_info *info,
+ struct v4l2_fwht_state *state)
+{
+ int plane_idx;
+ u8 *p_ref = state->ref_frame.buf;
+ unsigned int cap_stride = state->stride;
+ unsigned int ref_stride = state->ref_stride;
+
+ for (plane_idx = 0; plane_idx < info->planes_num; plane_idx++) {
+ int i;
+ unsigned int h_div = (plane_idx == 1 || plane_idx == 2) ?
+ info->height_div : 1;
+ const u8 *row_cap = cap;
+ u8 *row_ref = p_ref;
+
+ if (info->planes_num == 3 && plane_idx == 1) {
+ cap_stride /= 2;
+ ref_stride /= 2;
+ }
+
+ if (plane_idx == 1 &&
+ (info->id == V4L2_PIX_FMT_NV24 ||
+ info->id == V4L2_PIX_FMT_NV42)) {
+ cap_stride *= 2;
+ ref_stride *= 2;
+ }
+
+ for (i = 0; i < state->visible_height / h_div; i++) {
+ memcpy(row_ref, row_cap, ref_stride);
+ row_ref += ref_stride;
+ row_cap += cap_stride;
+ }
+ cap += cap_stride * (state->coded_height / h_div);
+ p_ref += ref_stride * (state->coded_height / h_div);
+ }
+}
+
+static bool validate_by_version(unsigned int flags, unsigned int version)
+{
+ if (!version || version > FWHT_VERSION)
+ return false;
+
+ if (version >= 2) {
+ unsigned int components_num = 1 +
+ ((flags & FWHT_FL_COMPONENTS_NUM_MSK) >>
+ FWHT_FL_COMPONENTS_NUM_OFFSET);
+ unsigned int pixenc = flags & FWHT_FL_PIXENC_MSK;
+
+ if (components_num == 0 || components_num > 4 || !pixenc)
+ return false;
+ }
+ 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)
{
struct vicodec_dev *dev = ctx->dev;
- struct vicodec_q_data *q_dst;
struct v4l2_fwht_state *state = &ctx->state;
u8 *p_src, *p_dst;
- int ret;
+ int ret = 0;
- q_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
- 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,
@@ -178,30 +306,31 @@ static int device_process(struct vicodec_ctx *ctx,
if (ctx->is_enc) {
struct vicodec_q_data *q_src;
+ int comp_sz_or_errcode;
q_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
state->info = q_src->info;
- ret = v4l2_fwht_encode(state, p_src, p_dst);
- if (ret < 0)
- return ret;
- vb2_set_plane_payload(&dst_vb->vb2_buf, 0, ret);
+ comp_sz_or_errcode = v4l2_fwht_encode(state, p_src, p_dst);
+ if (comp_sz_or_errcode < 0)
+ return comp_sz_or_errcode;
+ vb2_set_plane_payload(&dst_vb->vb2_buf, 0, comp_sz_or_errcode);
} else {
+ struct vicodec_q_data *q_dst;
unsigned int comp_frame_size = ntohl(ctx->state.header.size);
+ q_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
if (comp_frame_size > ctx->comp_max_size)
return -EINVAL;
state->info = q_dst->info;
ret = v4l2_fwht_decode(state, p_src, p_dst);
if (ret < 0)
return ret;
+ 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);
}
-
- dst_vb->sequence = q_dst->sequence++;
- dst_vb->flags &= ~V4L2_BUF_FLAG_LAST;
- v4l2_m2m_buf_copy_metadata(src_vb, dst_vb, !ctx->is_enc);
-
- return 0;
+ return ret;
}
/*
@@ -274,16 +403,26 @@ static void device_run(void *priv)
struct vicodec_ctx *ctx = priv;
struct vicodec_dev *dev = ctx->dev;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
- struct vicodec_q_data *q_src;
+ 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);
state = VB2_BUF_STATE_DONE;
if (device_process(ctx, src_buf, dst_buf))
state = VB2_BUF_STATE_ERROR;
+ else
+ dst_buf->sequence = q_dst->sequence++;
+ dst_buf->flags &= ~V4L2_BUF_FLAG_LAST;
+ v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, !ctx->is_enc);
+
ctx->last_dst_buf = dst_buf;
spin_lock(ctx->lock);
@@ -291,7 +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);
@@ -303,6 +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;
@@ -310,9 +452,12 @@ static void device_run(void *priv)
spin_unlock(ctx->lock);
if (ctx->is_enc)
- v4l2_m2m_job_finish(dev->enc_dev, ctx->fh.m2m_ctx);
+ v4l2_m2m_job_finish(dev->stateful_enc.m2m_dev, ctx->fh.m2m_ctx);
+ else if (ctx->is_stateless)
+ v4l2_m2m_job_finish(dev->stateless_dec.m2m_dev,
+ ctx->fh.m2m_ctx);
else
- v4l2_m2m_job_finish(dev->dec_dev, ctx->fh.m2m_ctx);
+ v4l2_m2m_job_finish(dev->stateful_dec.m2m_dev, ctx->fh.m2m_ctx);
}
static void job_remove_src_buf(struct vicodec_ctx *ctx, u32 state)
@@ -344,7 +489,7 @@ info_from_header(const struct fwht_cframe_hdr *p_hdr)
FWHT_FL_COMPONENTS_NUM_OFFSET);
pixenc = (flags & FWHT_FL_PIXENC_MSK);
}
- return v4l2_fwht_default_fmt(width_div, height_div,
+ return v4l2_fwht_find_nth_fmt(width_div, height_div,
components_num, pixenc, 0);
}
@@ -356,21 +501,11 @@ static bool is_header_valid(const struct fwht_cframe_hdr *p_hdr)
unsigned int version = ntohl(p_hdr->version);
unsigned int flags = ntohl(p_hdr->flags);
- if (!version || version > FWHT_VERSION)
- return false;
-
if (w < MIN_WIDTH || w > MAX_WIDTH || h < MIN_HEIGHT || h > MAX_HEIGHT)
return false;
- if (version >= 2) {
- unsigned int components_num = 1 +
- ((flags & FWHT_FL_COMPONENTS_NUM_MSK) >>
- FWHT_FL_COMPONENTS_NUM_OFFSET);
- unsigned int pixenc = flags & FWHT_FL_PIXENC_MSK;
-
- if (components_num == 0 || components_num > 4 || !pixenc)
- return false;
- }
+ if (!validate_by_version(flags, version))
+ return false;
info = info_from_header(p_hdr);
if (!info)
@@ -388,6 +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);
@@ -440,7 +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:
@@ -551,8 +692,8 @@ static const struct v4l2_fwht_pixfmt_info *find_fmt(u32 fmt)
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
- strncpy(cap->driver, VICODEC_NAME, sizeof(cap->driver) - 1);
- strncpy(cap->card, VICODEC_NAME, sizeof(cap->card) - 1);
+ strscpy(cap->driver, VICODEC_NAME, sizeof(cap->driver));
+ strscpy(cap->card, VICODEC_NAME, sizeof(cap->card));
snprintf(cap->bus_info, sizeof(cap->bus_info),
"platform:%s", VICODEC_NAME);
return 0;
@@ -575,7 +716,7 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx,
if (!info || ctx->is_enc)
info = v4l2_fwht_get_pixfmt(f->index);
else
- info = v4l2_fwht_default_fmt(info->width_div,
+ info = v4l2_fwht_find_nth_fmt(info->width_div,
info->height_div,
info->components_num,
info->pixenc,
@@ -586,7 +727,8 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx,
} else {
if (f->index)
return -EINVAL;
- f->pixelformat = V4L2_PIX_FMT_FWHT;
+ f->pixelformat = ctx->is_stateless ?
+ V4L2_PIX_FMT_FWHT_STATELESS : V4L2_PIX_FMT_FWHT;
}
return 0;
}
@@ -688,13 +830,15 @@ static int vidioc_try_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)
struct v4l2_pix_format_mplane *pix_mp;
struct v4l2_pix_format *pix;
struct v4l2_plane_pix_format *plane;
- const struct v4l2_fwht_pixfmt_info *info = &pixfmt_fwht;
+ const struct v4l2_fwht_pixfmt_info *info = ctx->is_stateless ?
+ &pixfmt_stateless_fwht : &pixfmt_fwht;
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
pix = &f->fmt.pix;
- if (pix->pixelformat != V4L2_PIX_FMT_FWHT)
+ if (pix->pixelformat != V4L2_PIX_FMT_FWHT &&
+ pix->pixelformat != V4L2_PIX_FMT_FWHT_STATELESS)
info = find_fmt(pix->pixelformat);
pix->width = clamp(pix->width, MIN_WIDTH, MAX_WIDTH);
@@ -715,7 +859,8 @@ static int vidioc_try_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
pix_mp = &f->fmt.pix_mp;
plane = pix_mp->plane_fmt;
- if (pix_mp->pixelformat != V4L2_PIX_FMT_FWHT)
+ if (pix_mp->pixelformat != V4L2_PIX_FMT_FWHT &&
+ pix_mp->pixelformat != V4L2_PIX_FMT_FWHT_STATELESS)
info = find_fmt(pix_mp->pixelformat);
pix_mp->num_planes = 1;
@@ -792,8 +937,12 @@ static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
if (multiplanar)
return -EINVAL;
pix = &f->fmt.pix;
- pix->pixelformat = !ctx->is_enc ? V4L2_PIX_FMT_FWHT :
- find_fmt(pix->pixelformat)->id;
+ if (ctx->is_enc)
+ pix->pixelformat = find_fmt(pix->pixelformat)->id;
+ else if (ctx->is_stateless)
+ pix->pixelformat = V4L2_PIX_FMT_FWHT_STATELESS;
+ else
+ pix->pixelformat = V4L2_PIX_FMT_FWHT;
if (!pix->colorspace)
pix->colorspace = V4L2_COLORSPACE_REC709;
break;
@@ -801,8 +950,12 @@ static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
if (!multiplanar)
return -EINVAL;
pix_mp = &f->fmt.pix_mp;
- pix_mp->pixelformat = !ctx->is_enc ? V4L2_PIX_FMT_FWHT :
- find_fmt(pix_mp->pixelformat)->id;
+ if (ctx->is_enc)
+ pix_mp->pixelformat = find_fmt(pix_mp->pixelformat)->id;
+ else if (ctx->is_stateless)
+ pix_mp->pixelformat = V4L2_PIX_FMT_FWHT_STATELESS;
+ else
+ pix_mp->pixelformat = V4L2_PIX_FMT_FWHT;
if (!pix_mp->colorspace)
pix_mp->colorspace = V4L2_COLORSPACE_REC709;
break;
@@ -845,6 +998,8 @@ static int vidioc_s_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)
if (pix->pixelformat == V4L2_PIX_FMT_FWHT)
q_data->info = &pixfmt_fwht;
+ else if (pix->pixelformat == V4L2_PIX_FMT_FWHT_STATELESS)
+ q_data->info = &pixfmt_stateless_fwht;
else
q_data->info = find_fmt(pix->pixelformat);
q_data->coded_width = pix->width;
@@ -866,6 +1021,8 @@ static int vidioc_s_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)
if (pix_mp->pixelformat == V4L2_PIX_FMT_FWHT)
q_data->info = &pixfmt_fwht;
+ else if (pix_mp->pixelformat == V4L2_PIX_FMT_FWHT_STATELESS)
+ q_data->info = &pixfmt_stateless_fwht;
else
q_data->info = find_fmt(pix_mp->pixelformat);
q_data->coded_width = pix_mp->width;
@@ -945,16 +1102,6 @@ static int vidioc_g_selection(struct file *file, void *priv,
{
struct vicodec_ctx *ctx = file2ctx(file);
struct vicodec_q_data *q_data;
- enum v4l2_buf_type valid_cap_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- enum v4l2_buf_type valid_out_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-
- if (multiplanar) {
- valid_cap_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- valid_out_type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- }
-
- if (s->type != valid_cap_type && s->type != valid_out_type)
- return -EINVAL;
q_data = get_q_data(ctx, s->type);
if (!q_data)
@@ -963,18 +1110,14 @@ static int vidioc_g_selection(struct file *file, void *priv,
* encoder supports only cropping on the OUTPUT buffer
* decoder supports only composing on the CAPTURE buffer
*/
- if ((ctx->is_enc && s->type == valid_out_type) ||
- (!ctx->is_enc && s->type == valid_cap_type)) {
+ if (ctx->is_enc && s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
switch (s->target) {
- case V4L2_SEL_TGT_COMPOSE:
case V4L2_SEL_TGT_CROP:
s->r.left = 0;
s->r.top = 0;
s->r.width = q_data->visible_width;
s->r.height = q_data->visible_height;
return 0;
- case V4L2_SEL_TGT_COMPOSE_DEFAULT:
- case V4L2_SEL_TGT_COMPOSE_BOUNDS:
case V4L2_SEL_TGT_CROP_DEFAULT:
case V4L2_SEL_TGT_CROP_BOUNDS:
s->r.left = 0;
@@ -983,6 +1126,22 @@ static int vidioc_g_selection(struct file *file, void *priv,
s->r.height = q_data->coded_height;
return 0;
}
+ } else if (!ctx->is_enc && s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+ switch (s->target) {
+ case V4L2_SEL_TGT_COMPOSE:
+ s->r.left = 0;
+ s->r.top = 0;
+ s->r.width = q_data->visible_width;
+ s->r.height = q_data->visible_height;
+ return 0;
+ case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+ case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+ s->r.left = 0;
+ s->r.top = 0;
+ s->r.width = q_data->coded_width;
+ s->r.height = q_data->coded_height;
+ return 0;
+ }
}
return -EINVAL;
}
@@ -992,12 +1151,8 @@ static int vidioc_s_selection(struct file *file, void *priv,
{
struct vicodec_ctx *ctx = file2ctx(file);
struct vicodec_q_data *q_data;
- enum v4l2_buf_type out_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-
- if (multiplanar)
- out_type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- if (s->type != out_type)
+ if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
q_data = get_q_data(ctx, s->type);
@@ -1092,6 +1247,8 @@ static int vicodec_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
switch (fsize->pixel_format) {
+ case V4L2_PIX_FMT_FWHT_STATELESS:
+ break;
case V4L2_PIX_FMT_FWHT:
break;
default:
@@ -1200,6 +1357,14 @@ 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);
@@ -1263,10 +1428,11 @@ 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;
}
@@ -1314,12 +1480,33 @@ 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)
{
@@ -1330,7 +1517,7 @@ 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;
@@ -1338,24 +1525,24 @@ static int vicodec_start_streaming(struct vb2_queue *q,
chroma_div = info->width_div * info->height_div;
q_data->sequence = 0;
- ctx->last_src_buf = NULL;
- ctx->last_dst_buf = NULL;
+ if (V4L2_TYPE_IS_OUTPUT(q->type))
+ ctx->last_src_buf = NULL;
+ else
+ ctx->last_dst_buf = NULL;
+
state->gop_cnt = 0;
if ((V4L2_TYPE_IS_OUTPUT(q->type) && !ctx->is_enc) ||
(!V4L2_TYPE_IS_OUTPUT(q->type) && ctx->is_enc))
return 0;
- if (info->id == V4L2_PIX_FMT_FWHT) {
+ if (info->id == V4L2_PIX_FMT_FWHT ||
+ info->id == V4L2_PIX_FMT_FWHT_STATELESS) {
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;
@@ -1364,8 +1551,14 @@ static int vicodec_start_streaming(struct vb2_queue *q,
state->stride = q_data->coded_width *
info->bytesperline_mult;
- state->ref_frame.luma = kvmalloc(total_planes_size, GFP_KERNEL);
- ctx->comp_max_size = total_planes_size;
+ 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;
new_comp_frame = kvmalloc(ctx->comp_max_size, GFP_KERNEL);
if (!state->ref_frame.luma || !new_comp_frame) {
@@ -1413,7 +1606,10 @@ 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.luma);
+ 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;
ctx->source_changed = false;
}
@@ -1427,14 +1623,24 @@ 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,
@@ -1452,9 +1658,14 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
src_vq->ops = &vicodec_qops;
src_vq->mem_ops = &vb2_vmalloc_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
- src_vq->lock = ctx->is_enc ? &ctx->dev->enc_mutex :
- &ctx->dev->dec_mutex;
-
+ if (ctx->is_enc)
+ src_vq->lock = &ctx->dev->stateful_enc.mutex;
+ else if (ctx->is_stateless)
+ src_vq->lock = &ctx->dev->stateless_dec.mutex;
+ else
+ src_vq->lock = &ctx->dev->stateful_dec.mutex;
+ src_vq->supports_requests = ctx->is_stateless;
+ src_vq->requires_requests = ctx->is_stateless;
ret = vb2_queue_init(src_vq);
if (ret)
return ret;
@@ -1473,53 +1684,86 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
return vb2_queue_init(dst_vq);
}
-#define VICODEC_CID_CUSTOM_BASE (V4L2_CID_MPEG_BASE | 0xf000)
-#define VICODEC_CID_I_FRAME_QP (VICODEC_CID_CUSTOM_BASE + 0)
-#define VICODEC_CID_P_FRAME_QP (VICODEC_CID_CUSTOM_BASE + 1)
+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:
ctx->state.gop_size = ctrl->val;
return 0;
- case VICODEC_CID_I_FRAME_QP:
+ case V4L2_CID_FWHT_I_FRAME_QP:
ctx->state.i_frame_qp = ctrl->val;
return 0;
- case VICODEC_CID_P_FRAME_QP:
+ 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_i_frame = {
- .ops = &vicodec_ctrl_ops,
- .id = VICODEC_CID_I_FRAME_QP,
- .name = "FWHT I-Frame QP Value",
- .type = V4L2_CTRL_TYPE_INTEGER,
- .min = 1,
- .max = 31,
- .def = 20,
- .step = 1,
-};
-
-static const struct v4l2_ctrl_config vicodec_ctrl_p_frame = {
- .ops = &vicodec_ctrl_ops,
- .id = VICODEC_CID_P_FRAME_QP,
- .name = "FWHT P-Frame QP Value",
- .type = V4L2_CTRL_TYPE_INTEGER,
- .min = 1,
- .max = 31,
- .def = 20,
- .step = 1,
+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),
};
/*
@@ -1542,8 +1786,10 @@ static int vicodec_open(struct file *file)
goto open_unlock;
}
- if (vfd == &dev->enc_vfd)
+ if (vfd == &dev->stateful_enc.vfd)
ctx->is_enc = true;
+ else if (vfd == &dev->stateless_dec.vfd)
+ ctx->is_stateless = true;
v4l2_fh_init(&ctx->fh, video_devdata(file));
file->private_data = &ctx->fh;
@@ -1552,8 +1798,12 @@ static int vicodec_open(struct file *file)
v4l2_ctrl_handler_init(hdl, 4);
v4l2_ctrl_new_std(hdl, &vicodec_ctrl_ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
1, 16, 1, 10);
- v4l2_ctrl_new_custom(hdl, &vicodec_ctrl_i_frame, NULL);
- v4l2_ctrl_new_custom(hdl, &vicodec_ctrl_p_frame, NULL);
+ v4l2_ctrl_new_std(hdl, &vicodec_ctrl_ops, V4L2_CID_FWHT_I_FRAME_QP,
+ 1, 31, 1, 20);
+ v4l2_ctrl_new_std(hdl, &vicodec_ctrl_ops, V4L2_CID_FWHT_P_FRAME_QP,
+ 1, 31, 1, 20);
+ if (ctx->is_stateless)
+ v4l2_ctrl_new_custom(hdl, &vicodec_ctrl_stateless_state, NULL);
if (hdl->error) {
rc = hdl->error;
v4l2_ctrl_handler_free(hdl);
@@ -1563,15 +1813,19 @@ static int vicodec_open(struct file *file)
ctx->fh.ctrl_handler = hdl;
v4l2_ctrl_handler_setup(hdl);
- ctx->q_data[V4L2_M2M_SRC].info =
- ctx->is_enc ? v4l2_fwht_get_pixfmt(0) : &pixfmt_fwht;
+ if (ctx->is_enc)
+ ctx->q_data[V4L2_M2M_SRC].info = v4l2_fwht_get_pixfmt(0);
+ else if (ctx->is_stateless)
+ ctx->q_data[V4L2_M2M_SRC].info = &pixfmt_stateless_fwht;
+ else
+ ctx->q_data[V4L2_M2M_SRC].info = &pixfmt_fwht;
ctx->q_data[V4L2_M2M_SRC].coded_width = 1280;
ctx->q_data[V4L2_M2M_SRC].coded_height = 720;
ctx->q_data[V4L2_M2M_SRC].visible_width = 1280;
ctx->q_data[V4L2_M2M_SRC].visible_height = 720;
size = 1280 * 720 * ctx->q_data[V4L2_M2M_SRC].info->sizeimage_mult /
ctx->q_data[V4L2_M2M_SRC].info->sizeimage_div;
- if (ctx->is_enc)
+ if (ctx->is_enc || ctx->is_stateless)
ctx->q_data[V4L2_M2M_SRC].sizeimage = size;
else
ctx->q_data[V4L2_M2M_SRC].sizeimage =
@@ -1590,13 +1844,17 @@ static int vicodec_open(struct file *file)
ctx->state.colorspace = V4L2_COLORSPACE_REC709;
if (ctx->is_enc) {
- ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->enc_dev, ctx,
- &queue_init);
- ctx->lock = &dev->enc_lock;
+ ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->stateful_enc.m2m_dev,
+ ctx, &queue_init);
+ ctx->lock = &dev->stateful_enc.lock;
+ } else if (ctx->is_stateless) {
+ ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->stateless_dec.m2m_dev,
+ ctx, &queue_init);
+ ctx->lock = &dev->stateless_dec.lock;
} else {
- ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->dec_dev, ctx,
- &queue_init);
- ctx->lock = &dev->dec_lock;
+ ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->stateful_dec.m2m_dev,
+ ctx, &queue_init);
+ ctx->lock = &dev->stateful_dec.lock;
}
if (IS_ERR(ctx->fh.m2m_ctx)) {
@@ -1620,17 +1878,71 @@ static int vicodec_release(struct file *file)
struct video_device *vfd = video_devdata(file);
struct vicodec_ctx *ctx = file2ctx(file);
- v4l2_fh_del(&ctx->fh);
- v4l2_fh_exit(&ctx->fh);
- v4l2_ctrl_handler_free(&ctx->hdl);
mutex_lock(vfd->lock);
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
mutex_unlock(vfd->lock);
+ v4l2_fh_del(&ctx->fh);
+ v4l2_fh_exit(&ctx->fh);
+ v4l2_ctrl_handler_free(&ctx->hdl);
+ kvfree(ctx->state.compressed_frame);
kfree(ctx);
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,
@@ -1649,24 +1961,67 @@ 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,
};
+static int register_instance(struct vicodec_dev *dev,
+ struct vicodec_dev_instance *dev_instance,
+ const char *name, bool is_enc)
+{
+ struct video_device *vfd;
+ int ret;
+
+ spin_lock_init(&dev_instance->lock);
+ mutex_init(&dev_instance->mutex);
+ dev_instance->m2m_dev = v4l2_m2m_init(&m2m_ops);
+ if (IS_ERR(dev_instance->m2m_dev)) {
+ v4l2_err(&dev->v4l2_dev, "Failed to init vicodec enc device\n");
+ return PTR_ERR(dev_instance->m2m_dev);
+ }
+
+ dev_instance->vfd = vicodec_videodev;
+ vfd = &dev_instance->vfd;
+ vfd->lock = &dev_instance->mutex;
+ vfd->v4l2_dev = &dev->v4l2_dev;
+ strscpy(vfd->name, name, sizeof(vfd->name));
+ vfd->device_caps = V4L2_CAP_STREAMING |
+ (multiplanar ? V4L2_CAP_VIDEO_M2M_MPLANE : V4L2_CAP_VIDEO_M2M);
+ if (is_enc) {
+ v4l2_disable_ioctl(vfd, VIDIOC_DECODER_CMD);
+ v4l2_disable_ioctl(vfd, VIDIOC_TRY_DECODER_CMD);
+ } else {
+ v4l2_disable_ioctl(vfd, VIDIOC_ENCODER_CMD);
+ v4l2_disable_ioctl(vfd, VIDIOC_TRY_ENCODER_CMD);
+ }
+ video_set_drvdata(vfd, dev);
+
+ ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
+ if (ret) {
+ v4l2_err(&dev->v4l2_dev, "Failed to register video device '%s'\n", name);
+ v4l2_m2m_release(dev_instance->m2m_dev);
+ return ret;
+ }
+ v4l2_info(&dev->v4l2_dev, "Device '%s' registered as /dev/video%d\n",
+ name, vfd->num);
+ return 0;
+}
+
static int vicodec_probe(struct platform_device *pdev)
{
struct vicodec_dev *dev;
- struct video_device *vfd;
int ret;
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
- spin_lock_init(&dev->enc_lock);
- spin_lock_init(&dev->dec_lock);
-
ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
if (ret)
return ret;
@@ -1677,103 +2032,74 @@ 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
- mutex_init(&dev->enc_mutex);
- mutex_init(&dev->dec_mutex);
-
platform_set_drvdata(pdev, dev);
- dev->enc_dev = v4l2_m2m_init(&m2m_ops);
- if (IS_ERR(dev->enc_dev)) {
- v4l2_err(&dev->v4l2_dev, "Failed to init vicodec device\n");
- ret = PTR_ERR(dev->enc_dev);
+ if (register_instance(dev, &dev->stateful_enc,
+ "stateful-encoder", true))
goto unreg_dev;
- }
- dev->dec_dev = v4l2_m2m_init(&m2m_ops);
- if (IS_ERR(dev->dec_dev)) {
- v4l2_err(&dev->v4l2_dev, "Failed to init vicodec device\n");
- ret = PTR_ERR(dev->dec_dev);
- goto err_enc_m2m;
- }
+ if (register_instance(dev, &dev->stateful_dec,
+ "stateful-decoder", false))
+ goto unreg_sf_enc;
- dev->enc_vfd = vicodec_videodev;
- vfd = &dev->enc_vfd;
- vfd->lock = &dev->enc_mutex;
- vfd->v4l2_dev = &dev->v4l2_dev;
- strscpy(vfd->name, "vicodec-enc", sizeof(vfd->name));
- vfd->device_caps = V4L2_CAP_STREAMING |
- (multiplanar ? V4L2_CAP_VIDEO_M2M_MPLANE : V4L2_CAP_VIDEO_M2M);
- v4l2_disable_ioctl(vfd, VIDIOC_DECODER_CMD);
- v4l2_disable_ioctl(vfd, VIDIOC_TRY_DECODER_CMD);
- video_set_drvdata(vfd, dev);
-
- ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
- if (ret) {
- v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
- goto err_dec_m2m;
- }
- v4l2_info(&dev->v4l2_dev,
- "Device registered as /dev/video%d\n", vfd->num);
+ if (register_instance(dev, &dev->stateless_dec,
+ "stateless-decoder", false))
+ goto unreg_sf_dec;
- dev->dec_vfd = vicodec_videodev;
- vfd = &dev->dec_vfd;
- vfd->lock = &dev->dec_mutex;
- vfd->v4l2_dev = &dev->v4l2_dev;
- vfd->device_caps = V4L2_CAP_STREAMING |
- (multiplanar ? V4L2_CAP_VIDEO_M2M_MPLANE : V4L2_CAP_VIDEO_M2M);
- strscpy(vfd->name, "vicodec-dec", sizeof(vfd->name));
- v4l2_disable_ioctl(vfd, VIDIOC_ENCODER_CMD);
- v4l2_disable_ioctl(vfd, VIDIOC_TRY_ENCODER_CMD);
- video_set_drvdata(vfd, dev);
-
- ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
+#ifdef CONFIG_MEDIA_CONTROLLER
+ ret = v4l2_m2m_register_media_controller(dev->stateful_enc.m2m_dev,
+ &dev->stateful_enc.vfd,
+ MEDIA_ENT_F_PROC_VIDEO_ENCODER);
if (ret) {
- v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
- goto unreg_enc;
+ v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem media controller for enc\n");
+ goto unreg_m2m;
}
- v4l2_info(&dev->v4l2_dev,
- "Device registered as /dev/video%d\n", vfd->num);
-#ifdef CONFIG_MEDIA_CONTROLLER
- ret = v4l2_m2m_register_media_controller(dev->enc_dev,
- &dev->enc_vfd, MEDIA_ENT_F_PROC_VIDEO_ENCODER);
+ ret = v4l2_m2m_register_media_controller(dev->stateful_dec.m2m_dev,
+ &dev->stateful_dec.vfd,
+ MEDIA_ENT_F_PROC_VIDEO_DECODER);
if (ret) {
- v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem media controller\n");
- goto unreg_m2m;
+ v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem media controller for dec\n");
+ goto unreg_m2m_sf_enc_mc;
}
- ret = v4l2_m2m_register_media_controller(dev->dec_dev,
- &dev->dec_vfd, MEDIA_ENT_F_PROC_VIDEO_DECODER);
+ ret = v4l2_m2m_register_media_controller(dev->stateless_dec.m2m_dev,
+ &dev->stateless_dec.vfd,
+ MEDIA_ENT_F_PROC_VIDEO_DECODER);
if (ret) {
- v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem media controller\n");
- goto unreg_m2m_enc_mc;
+ v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem media controller for stateless dec\n");
+ goto unreg_m2m_sf_dec_mc;
}
ret = media_device_register(&dev->mdev);
if (ret) {
v4l2_err(&dev->v4l2_dev, "Failed to register mem2mem media device\n");
- goto unreg_m2m_dec_mc;
+ goto unreg_m2m_sl_dec_mc;
}
#endif
return 0;
#ifdef CONFIG_MEDIA_CONTROLLER
-unreg_m2m_dec_mc:
- v4l2_m2m_unregister_media_controller(dev->dec_dev);
-unreg_m2m_enc_mc:
- v4l2_m2m_unregister_media_controller(dev->enc_dev);
+unreg_m2m_sl_dec_mc:
+ v4l2_m2m_unregister_media_controller(dev->stateless_dec.m2m_dev);
+unreg_m2m_sf_dec_mc:
+ v4l2_m2m_unregister_media_controller(dev->stateful_dec.m2m_dev);
+unreg_m2m_sf_enc_mc:
+ v4l2_m2m_unregister_media_controller(dev->stateful_enc.m2m_dev);
unreg_m2m:
- video_unregister_device(&dev->dec_vfd);
+ video_unregister_device(&dev->stateless_dec.vfd);
+ v4l2_m2m_release(dev->stateless_dec.m2m_dev);
#endif
-unreg_enc:
- video_unregister_device(&dev->enc_vfd);
-err_dec_m2m:
- v4l2_m2m_release(dev->dec_dev);
-err_enc_m2m:
- v4l2_m2m_release(dev->enc_dev);
+unreg_sf_dec:
+ video_unregister_device(&dev->stateful_dec.vfd);
+ v4l2_m2m_release(dev->stateful_dec.m2m_dev);
+unreg_sf_enc:
+ video_unregister_device(&dev->stateful_enc.vfd);
+ v4l2_m2m_release(dev->stateful_enc.m2m_dev);
unreg_dev:
v4l2_device_unregister(&dev->v4l2_dev);
@@ -1788,15 +2114,17 @@ static int vicodec_remove(struct platform_device *pdev)
#ifdef CONFIG_MEDIA_CONTROLLER
media_device_unregister(&dev->mdev);
- v4l2_m2m_unregister_media_controller(dev->enc_dev);
- v4l2_m2m_unregister_media_controller(dev->dec_dev);
+ v4l2_m2m_unregister_media_controller(dev->stateful_enc.m2m_dev);
+ v4l2_m2m_unregister_media_controller(dev->stateful_dec.m2m_dev);
+ v4l2_m2m_unregister_media_controller(dev->stateless_dec.m2m_dev);
media_device_cleanup(&dev->mdev);
#endif
- v4l2_m2m_release(dev->enc_dev);
- v4l2_m2m_release(dev->dec_dev);
- video_unregister_device(&dev->enc_vfd);
- video_unregister_device(&dev->dec_vfd);
+ v4l2_m2m_release(dev->stateful_enc.m2m_dev);
+ v4l2_m2m_release(dev->stateful_dec.m2m_dev);
+ video_unregister_device(&dev->stateful_enc.vfd);
+ video_unregister_device(&dev->stateful_dec.vfd);
+ video_unregister_device(&dev->stateless_dec.vfd);
v4l2_device_unregister(&dev->v4l2_dev);
return 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.