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media: vicodec: Change variable names 

Change variables names in vicodec-core.c to *_src *_dst
to improve readability

Signed-off-by: Dafna Hirschfeld <dafna3@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Dafna Hirschfeld 2018-12-04 15:54:37 -05:00 committed by Mauro Carvalho Chehab
parent da2c94c8f9
commit b9bbbbfef9
1 changed files with 48 additions and 46 deletions
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94
drivers/media/platform/vicodec/vicodec-core.c
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@ -151,52 +151,52 @@ static struct vicodec_q_data *get_q_data(struct vicodec_ctx *ctx,
}
static int device_process(struct vicodec_ctx *ctx,
struct vb2_v4l2_buffer *in_vb,
struct vb2_v4l2_buffer *out_vb)
struct vb2_v4l2_buffer *src_vb,
struct vb2_v4l2_buffer *dst_vb)
{
struct vicodec_dev *dev = ctx->dev;
struct vicodec_q_data *q_cap;
struct vicodec_q_data *q_dst;
struct v4l2_fwht_state *state = &ctx->state;
u8 *p_in, *p_out;
u8 *p_src, *p_dst;
int ret;
q_cap = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
q_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
if (ctx->is_enc)
p_in = vb2_plane_vaddr(&in_vb->vb2_buf, 0);
p_src = vb2_plane_vaddr(&src_vb->vb2_buf, 0);
else
p_in = state->compressed_frame;
p_out = vb2_plane_vaddr(&out_vb->vb2_buf, 0);
if (!p_in || !p_out) {
p_src = state->compressed_frame;
p_dst = vb2_plane_vaddr(&dst_vb->vb2_buf, 0);
if (!p_src || !p_dst) {
v4l2_err(&dev->v4l2_dev,
"Acquiring kernel pointers to buffers failed\n");
return -EFAULT;
}
if (ctx->is_enc) {
struct vicodec_q_data *q_out;
struct vicodec_q_data *q_src;
q_out = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
state->info = q_out->info;
ret = v4l2_fwht_encode(state, p_in, p_out);
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(&out_vb->vb2_buf, 0, ret);
vb2_set_plane_payload(&dst_vb->vb2_buf, 0, ret);
} else {
state->info = q_cap->info;
ret = v4l2_fwht_decode(state, p_in, p_out);
state->info = q_dst->info;
ret = v4l2_fwht_decode(state, p_src, p_dst);
if (ret < 0)
return ret;
vb2_set_plane_payload(&out_vb->vb2_buf, 0, q_cap->sizeimage);
vb2_set_plane_payload(&dst_vb->vb2_buf, 0, q_dst->sizeimage);
}
out_vb->sequence = q_cap->sequence++;
out_vb->vb2_buf.timestamp = in_vb->vb2_buf.timestamp;
dst_vb->sequence = q_dst->sequence++;
dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
if (in_vb->flags & V4L2_BUF_FLAG_TIMECODE)
out_vb->timecode = in_vb->timecode;
out_vb->field = in_vb->field;
out_vb->flags &= ~V4L2_BUF_FLAG_LAST;
out_vb->flags |= in_vb->flags &
if (src_vb->flags & V4L2_BUF_FLAG_TIMECODE)
dst_vb->timecode = src_vb->timecode;
dst_vb->field = src_vb->field;
dst_vb->flags &= ~V4L2_BUF_FLAG_LAST;
dst_vb->flags |= src_vb->flags &
(V4L2_BUF_FLAG_TIMECODE |
V4L2_BUF_FLAG_KEYFRAME |
V4L2_BUF_FLAG_PFRAME |
@ -219,12 +219,12 @@ 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_out;
struct vicodec_q_data *q_src;
u32 state;
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
q_out = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
q_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
state = VB2_BUF_STATE_DONE;
if (device_process(ctx, src_buf, dst_buf))
@ -237,11 +237,11 @@ static void device_run(void *priv)
v4l2_event_queue_fh(&ctx->fh, &eos_event);
}
if (ctx->is_enc) {
src_buf->sequence = q_out->sequence++;
src_buf->sequence = q_src->sequence++;
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, state);
} else if (vb2_get_plane_payload(&src_buf->vb2_buf, 0) == ctx->cur_buf_offset) {
src_buf->sequence = q_out->sequence++;
src_buf->sequence = q_src->sequence++;
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, state);
ctx->cur_buf_offset = 0;
@ -259,15 +259,15 @@ static void device_run(void *priv)
v4l2_m2m_job_finish(dev->dec_dev, ctx->fh.m2m_ctx);
}
static void job_remove_out_buf(struct vicodec_ctx *ctx, u32 state)
static void job_remove_src_buf(struct vicodec_ctx *ctx, u32 state)
{
struct vb2_v4l2_buffer *src_buf;
struct vicodec_q_data *q_out;
struct vicodec_q_data *q_src;
q_out = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
q_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
spin_lock(ctx->lock);
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
src_buf->sequence = q_out->sequence++;
src_buf->sequence = q_src->sequence++;
v4l2_m2m_buf_done(src_buf, state);
ctx->cur_buf_offset = 0;
spin_unlock(ctx->lock);
@ -280,7 +280,7 @@ static int job_ready(void *priv)
};
struct vicodec_ctx *ctx = priv;
struct vb2_v4l2_buffer *src_buf;
u8 *p_out;
u8 *p_src;
u8 *p;
u32 sz;
u32 state;
@ -293,15 +293,15 @@ restart:
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
if (!src_buf)
return 0;
p_out = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
p_src = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
sz = vb2_get_plane_payload(&src_buf->vb2_buf, 0);
p = p_out + ctx->cur_buf_offset;
p = p_src + ctx->cur_buf_offset;
state = VB2_BUF_STATE_DONE;
if (!ctx->comp_size) {
state = VB2_BUF_STATE_ERROR;
for (; p < p_out + sz; p++) {
for (; p < p_src + sz; p++) {
u32 copy;
p = memchr(p, magic[ctx->comp_magic_cnt], sz);
@ -310,8 +310,9 @@ restart:
break;
}
copy = sizeof(magic) - ctx->comp_magic_cnt;
if (p_out + sz - p < copy)
copy = p_out + sz - p;
if (p_src + sz - p < copy)
copy = p_src + sz - p;
memcpy(ctx->state.compressed_frame + ctx->comp_magic_cnt,
p, copy);
ctx->comp_magic_cnt += copy;
@ -324,7 +325,7 @@ restart:
ctx->comp_magic_cnt = 0;
}
if (ctx->comp_magic_cnt < sizeof(magic)) {
job_remove_out_buf(ctx, state);
job_remove_src_buf(ctx, state);
goto restart;
}
ctx->comp_size = sizeof(magic);
@ -334,14 +335,14 @@ restart:
(struct fwht_cframe_hdr *)ctx->state.compressed_frame;
u32 copy = sizeof(struct fwht_cframe_hdr) - ctx->comp_size;
if (copy > p_out + sz - p)
copy = p_out + sz - p;
if (copy > p_src + sz - p)
copy = p_src + sz - p;
memcpy(ctx->state.compressed_frame + ctx->comp_size,
p, copy);
p += copy;
ctx->comp_size += copy;
if (ctx->comp_size < sizeof(struct fwht_cframe_hdr)) {
job_remove_out_buf(ctx, state);
job_remove_src_buf(ctx, state);
goto restart;
}
ctx->comp_frame_size = ntohl(p_hdr->size) + sizeof(*p_hdr);
@ -351,18 +352,19 @@ restart:
if (ctx->comp_size < ctx->comp_frame_size) {
u32 copy = ctx->comp_frame_size - ctx->comp_size;
if (copy > p_out + sz - p)
copy = p_out + sz - p;
if (copy > p_src + sz - p)
copy = p_src + sz - p;
memcpy(ctx->state.compressed_frame + ctx->comp_size,
p, copy);
p += copy;
ctx->comp_size += copy;
if (ctx->comp_size < ctx->comp_frame_size) {
job_remove_out_buf(ctx, state);
job_remove_src_buf(ctx, state);
goto restart;
}
}
ctx->cur_buf_offset = p - p_out;
ctx->cur_buf_offset = p - p_src;
ctx->comp_has_frame = true;
ctx->comp_has_next_frame = false;
if (sz - ctx->cur_buf_offset >= sizeof(struct fwht_cframe_hdr)) {