diff options
| author | Philipp Zabel <p.zabel@pengutronix.de> | 2013-09-30 13:34:52 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-10-28 17:26:54 (GMT) |
| commit | 64ba40accce3e6bb916a36390d3e202085804da8 (patch) | |
| tree | d0036b0c2c37589c0121b0abbb0f61ef4a2979ad /drivers | |
| parent | 57625593589b51fbe713bcf3dbc97a8d92c2277f (diff) | |
| download | linux-fsl-qoriq-64ba40accce3e6bb916a36390d3e202085804da8.tar.xz | |
[media] coda: v4l2-compliance fix: implement try_decoder_cmd
Implement try_decoder_cmd to let userspace determine available commands
and flags.
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/platform/coda.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index 4820bd5..b541c06 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -835,23 +835,34 @@ static int coda_streamoff(struct file *file, void *priv, return ret; } -static int coda_decoder_cmd(struct file *file, void *fh, - struct v4l2_decoder_cmd *dc) +static int coda_try_decoder_cmd(struct file *file, void *fh, + struct v4l2_decoder_cmd *dc) { - struct coda_ctx *ctx = fh_to_ctx(fh); - if (dc->cmd != V4L2_DEC_CMD_STOP) return -EINVAL; - if ((dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK) || - (dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY)) + if (dc->flags & V4L2_DEC_CMD_STOP_TO_BLACK) return -EINVAL; - if (dc->stop.pts != 0) + if (!(dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) && (dc->stop.pts != 0)) return -EINVAL; + return 0; +} + +static int coda_decoder_cmd(struct file *file, void *fh, + struct v4l2_decoder_cmd *dc) +{ + struct coda_ctx *ctx = fh_to_ctx(fh); + int ret; + + ret = coda_try_decoder_cmd(file, fh, dc); + if (ret < 0) + return ret; + + /* Ignore decoder stop command silently in encoder context */ if (ctx->inst_type != CODA_INST_DECODER) - return -EINVAL; + return 0; /* Set the strem-end flag on this context */ ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG; @@ -894,6 +905,7 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = { .vidioc_streamon = coda_streamon, .vidioc_streamoff = coda_streamoff, + .vidioc_try_decoder_cmd = coda_try_decoder_cmd, .vidioc_decoder_cmd = coda_decoder_cmd, .vidioc_subscribe_event = coda_subscribe_event, |