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[media] coda: split format enumeration for encoder end decoder device

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Let the decoder capture side and encoder output side only list
uncompressed formats, and the decoder output and encoder capture
side only list compressed formats.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Philipp Zabel 2014-07-18 07:22:43 -03:00 committed by Mauro Carvalho Chehab
parent 121cacf445
commit 22e244b813
1 changed files with 19 additions and 38 deletions
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57
drivers/media/platform/coda.c
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@ -542,8 +542,8 @@ static int coda_querycap(struct file *file, void *priv,
return 0;
}
static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
enum v4l2_buf_type type, int src_fourcc)
static int coda_enum_fmt(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct coda_ctx *ctx = fh_to_ctx(priv);
struct coda_codec *codecs = ctx->dev->devtype->codecs;
@ -552,11 +552,19 @@ static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
int num_codecs = ctx->dev->devtype->num_codecs;
int num_formats = ARRAY_SIZE(coda_formats);
int i, k, num = 0;
bool yuv;
if (ctx->inst_type == CODA_INST_ENCODER)
yuv = (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT);
else
yuv = (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE);
for (i = 0; i < num_formats; i++) {
/* Both uncompressed formats are always supported */
if (coda_format_is_yuv(formats[i].fourcc) &&
!coda_format_is_yuv(src_fourcc)) {
/* Skip either raw or compressed formats */
if (yuv != coda_format_is_yuv(formats[i].fourcc))
continue;
/* All uncompressed formats are always supported */
if (yuv) {
if (num == f->index)
break;
++num;
@ -564,12 +572,10 @@ static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
}
/* Compressed formats may be supported, check the codec list */
for (k = 0; k < num_codecs; k++) {
/* if src_fourcc is set, only consider matching codecs */
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
formats[i].fourcc == codecs[k].dst_fourcc &&
(!src_fourcc || src_fourcc == codecs[k].src_fourcc))
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
formats[i].fourcc == codecs[k].dst_fourcc)
break;
if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
formats[i].fourcc == codecs[k].src_fourcc)
break;
}
@ -584,7 +590,7 @@ static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
fmt = &formats[i];
strlcpy(f->description, fmt->name, sizeof(f->description));
f->pixelformat = fmt->fourcc;
if (!coda_format_is_yuv(fmt->fourcc))
if (!yuv)
f->flags |= V4L2_FMT_FLAG_COMPRESSED;
return 0;
}
@ -593,31 +599,6 @@ static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
return -EINVAL;
}
static int coda_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct coda_ctx *ctx = fh_to_ctx(priv);
struct vb2_queue *src_vq;
struct coda_q_data *q_data_src;
/* If the source format is already fixed, only list matching formats */
src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
if (vb2_is_streaming(src_vq)) {
q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE,
q_data_src->fourcc);
}
return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0);
}
static int coda_enum_fmt_vid_out(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
return enum_fmt(priv, f, V4L2_BUF_TYPE_VIDEO_OUTPUT, 0);
}
static int coda_g_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
@ -970,12 +951,12 @@ static int coda_subscribe_event(struct v4l2_fh *fh,
static const struct v4l2_ioctl_ops coda_ioctl_ops = {
.vidioc_querycap = coda_querycap,
.vidioc_enum_fmt_vid_cap = coda_enum_fmt_vid_cap,
.vidioc_enum_fmt_vid_cap = coda_enum_fmt,
.vidioc_g_fmt_vid_cap = coda_g_fmt,
.vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
.vidioc_enum_fmt_vid_out = coda_enum_fmt_vid_out,
.vidioc_enum_fmt_vid_out = coda_enum_fmt,
.vidioc_g_fmt_vid_out = coda_g_fmt,
.vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
.vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,