diff options
| author |   Philipp Zabel <p.zabel@pengutronix.de> | 2019-04-08 08:32:47 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-04-22 11:51:52 -0400 |
| commit | 75480ebf49662d10550a32ecd76702fbf0716331 (patch) | |
| tree | 3e1bfaf35a3e680909b91e3c8cdbcd0777ec4230 /drivers/media | |
| parent | media: vb2: add waiting_in_dqbuf flag (diff) | |
| download | linux-dev-75480ebf49662d10550a32ecd76702fbf0716331.tar.xz linux-dev-75480ebf49662d10550a32ecd76702fbf0716331.zip | |
media: coda: set codec earlier
The chosen codec depends on the coded format, which is known as soon as
the S_FMT call on the coded queue. This allows to use the codec in
callbacks that may be called before start_streaming, such as buf_queue.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index fa0b22fb7991..a403bc2995b4 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -764,6 +764,7 @@ static int coda_s_fmt_vid_cap(struct file *file, void *priv, { struct coda_ctx *ctx = fh_to_ctx(priv); struct coda_q_data *q_data_src; + const struct coda_codec *codec; struct v4l2_rect r; int ret; @@ -784,6 +785,15 @@ static int coda_s_fmt_vid_cap(struct file *file, void *priv, if (ctx->inst_type != CODA_INST_ENCODER) return 0; + /* Setting the coded format determines the selected codec */ + codec = coda_find_codec(ctx->dev, q_data_src->fourcc, + f->fmt.pix.pixelformat); + if (!codec) { + v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n"); + return -EINVAL; + } + ctx->codec = codec; + ctx->colorspace = f->fmt.pix.colorspace; ctx->xfer_func = f->fmt.pix.xfer_func; ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc; @@ -796,6 +806,7 @@ static int coda_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f) { struct coda_ctx *ctx = fh_to_ctx(priv); + const struct coda_codec *codec; struct v4l2_format f_cap; struct vb2_queue *dst_vq; int ret; @@ -811,6 +822,15 @@ static int coda_s_fmt_vid_out(struct file *file, void *priv, if (ctx->inst_type != CODA_INST_DECODER) return 0; + /* Setting the coded format determines the selected codec */ + codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat, + V4L2_PIX_FMT_YUV420); + if (!codec) { + v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n"); + return -EINVAL; + } + ctx->codec = codec; + ctx->colorspace = f->fmt.pix.colorspace; ctx->xfer_func = f->fmt.pix.xfer_func; ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc; @@ -1680,14 +1700,6 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count) ctx->gopcounter = ctx->params.gop_size - 1; - ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc, - q_data_dst->fourcc); - if (!ctx->codec) { - v4l2_err(v4l2_dev, "couldn't tell instance type.\n"); - ret = -EINVAL; - goto err; - } - if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG) ctx->params.gop_size = 1; ctx->gopcounter = ctx->params.gop_size - 1; |