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Date: Thu, 3 Oct 2019 16:08:30 -0300
From: Ezequiel Garcia <ezequiel@...labora.com>
To: linux-media@...r.kernel.org
Cc: kernel@...labora.com, Tomasz Figa <tfiga@...omium.org>,
linux-rockchip@...ts.infradead.org,
Heiko Stuebner <heiko@...ech.de>,
Jonas Karlman <jonas@...boo.se>,
Philipp Zabel <p.zabel@...gutronix.de>,
Boris Brezillon <boris.brezillon@...labora.com>,
Chris Healy <cphealy@...il.com>, linux-kernel@...r.kernel.org,
Ezequiel Garcia <ezequiel@...labora.com>
Subject: [PATCH v2 1/4] media: hantro: Cleanup format negotiation helpers
Format negotation helpers, hantro_find_format()
and hantro_get_default_fmt() can be simplified,
making the code a little bit clearer.
More importantly, this change is preparation work
for the post-processor usage.
Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>
---
drivers/staging/media/hantro/hantro_v4l2.c | 53 ++++++++--------------
1 file changed, 20 insertions(+), 33 deletions(-)
diff --git a/drivers/staging/media/hantro/hantro_v4l2.c b/drivers/staging/media/hantro/hantro_v4l2.c
index 3dae52abb96c..238e53b28f8f 100644
--- a/drivers/staging/media/hantro/hantro_v4l2.c
+++ b/drivers/staging/media/hantro/hantro_v4l2.c
@@ -47,23 +47,26 @@ hantro_get_formats(const struct hantro_ctx *ctx, unsigned int *num_fmts)
}
static const struct hantro_fmt *
-hantro_find_format(const struct hantro_fmt *formats, unsigned int num_fmts,
- u32 fourcc)
+hantro_find_format(const struct hantro_ctx *ctx, u32 fourcc)
{
- unsigned int i;
+ const struct hantro_fmt *formats;
+ unsigned int i, num_fmts;
+ formats = hantro_get_formats(ctx, &num_fmts);
for (i = 0; i < num_fmts; i++)
if (formats[i].fourcc == fourcc)
return &formats[i];
+
return NULL;
}
static const struct hantro_fmt *
-hantro_get_default_fmt(const struct hantro_fmt *formats, unsigned int num_fmts,
- bool bitstream)
+hantro_get_default_fmt(const struct hantro_ctx *ctx, bool bitstream)
{
- unsigned int i;
+ const struct hantro_fmt *formats;
+ unsigned int i, num_fmts;
+ formats = hantro_get_formats(ctx, &num_fmts);
for (i = 0; i < num_fmts; i++) {
if (bitstream == (formats[i].codec_mode !=
HANTRO_MODE_NONE))
@@ -89,8 +92,7 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
struct v4l2_frmsizeenum *fsize)
{
struct hantro_ctx *ctx = fh_to_ctx(priv);
- const struct hantro_fmt *formats, *fmt;
- unsigned int num_fmts;
+ const struct hantro_fmt *fmt;
if (fsize->index != 0) {
vpu_debug(0, "invalid frame size index (expected 0, got %d)\n",
@@ -98,8 +100,7 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
return -EINVAL;
}
- formats = hantro_get_formats(ctx, &num_fmts);
- fmt = hantro_find_format(formats, num_fmts, fsize->pixel_format);
+ fmt = hantro_find_format(ctx, fsize->pixel_format);
if (!fmt) {
vpu_debug(0, "unsupported bitstream format (%08x)\n",
fsize->pixel_format);
@@ -196,8 +197,7 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f,
{
struct hantro_ctx *ctx = fh_to_ctx(priv);
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
- const struct hantro_fmt *formats, *fmt, *vpu_fmt;
- unsigned int num_fmts;
+ const struct hantro_fmt *fmt, *vpu_fmt;
bool coded;
coded = capture == hantro_is_encoder_ctx(ctx);
@@ -208,10 +208,9 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f,
(pix_mp->pixelformat >> 16) & 0x7f,
(pix_mp->pixelformat >> 24) & 0x7f);
- formats = hantro_get_formats(ctx, &num_fmts);
- fmt = hantro_find_format(formats, num_fmts, pix_mp->pixelformat);
+ fmt = hantro_find_format(ctx, pix_mp->pixelformat);
if (!fmt) {
- fmt = hantro_get_default_fmt(formats, num_fmts, coded);
+ fmt = hantro_get_default_fmt(ctx, coded);
f->fmt.pix_mp.pixelformat = fmt->fourcc;
}
@@ -290,12 +289,10 @@ hantro_reset_fmt(struct v4l2_pix_format_mplane *fmt,
static void
hantro_reset_encoded_fmt(struct hantro_ctx *ctx)
{
- const struct hantro_fmt *vpu_fmt, *formats;
+ const struct hantro_fmt *vpu_fmt;
struct v4l2_pix_format_mplane *fmt;
- unsigned int num_fmts;
- formats = hantro_get_formats(ctx, &num_fmts);
- vpu_fmt = hantro_get_default_fmt(formats, num_fmts, true);
+ vpu_fmt = hantro_get_default_fmt(ctx, true);
if (hantro_is_encoder_ctx(ctx)) {
ctx->vpu_dst_fmt = vpu_fmt;
@@ -316,12 +313,10 @@ hantro_reset_encoded_fmt(struct hantro_ctx *ctx)
static void
hantro_reset_raw_fmt(struct hantro_ctx *ctx)
{
- const struct hantro_fmt *raw_vpu_fmt, *formats;
+ const struct hantro_fmt *raw_vpu_fmt;
struct v4l2_pix_format_mplane *raw_fmt, *encoded_fmt;
- unsigned int num_fmts;
- formats = hantro_get_formats(ctx, &num_fmts);
- raw_vpu_fmt = hantro_get_default_fmt(formats, num_fmts, false);
+ raw_vpu_fmt = hantro_get_default_fmt(ctx, false);
if (hantro_is_encoder_ctx(ctx)) {
ctx->vpu_src_fmt = raw_vpu_fmt;
@@ -367,8 +362,6 @@ vidioc_s_fmt_out_mplane(struct file *file, void *priv, struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
struct hantro_ctx *ctx = fh_to_ctx(priv);
- const struct hantro_fmt *formats;
- unsigned int num_fmts;
struct vb2_queue *vq;
int ret;
@@ -395,9 +388,7 @@ vidioc_s_fmt_out_mplane(struct file *file, void *priv, struct v4l2_format *f)
if (ret)
return ret;
- formats = hantro_get_formats(ctx, &num_fmts);
- ctx->vpu_src_fmt = hantro_find_format(formats, num_fmts,
- pix_mp->pixelformat);
+ ctx->vpu_src_fmt = hantro_find_format(ctx, pix_mp->pixelformat);
ctx->src_fmt = *pix_mp;
/*
@@ -431,9 +422,7 @@ static int vidioc_s_fmt_cap_mplane(struct file *file, void *priv,
{
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
struct hantro_ctx *ctx = fh_to_ctx(priv);
- const struct hantro_fmt *formats;
struct vb2_queue *vq;
- unsigned int num_fmts;
int ret;
/* Change not allowed if queue is busy. */
@@ -462,9 +451,7 @@ static int vidioc_s_fmt_cap_mplane(struct file *file, void *priv,
if (ret)
return ret;
- formats = hantro_get_formats(ctx, &num_fmts);
- ctx->vpu_dst_fmt = hantro_find_format(formats, num_fmts,
- pix_mp->pixelformat);
+ ctx->vpu_dst_fmt = hantro_find_format(ctx, pix_mp->pixelformat);
ctx->dst_fmt = *pix_mp;
/*
--
2.22.0
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