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path: root/drivers/media/pci/ivtv/ivtv-streams.c
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Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-streams.c')
-rw-r--r--drivers/media/pci/ivtv/ivtv-streams.c113
1 files changed, 50 insertions, 63 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-streams.c b/drivers/media/pci/ivtv/ivtv-streams.c
index f0a1cc472313..d27c6df97566 100644
--- a/drivers/media/pci/ivtv/ivtv-streams.c
+++ b/drivers/media/pci/ivtv/ivtv-streams.c
@@ -130,7 +130,8 @@ static struct {
"decoder MPG",
VFL_TYPE_GRABBER, IVTV_V4L2_DEC_MPG_OFFSET,
PCI_DMA_TODEVICE, 0,
- V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
+ V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE |
+ V4L2_CAP_VIDEO_OUTPUT_OVERLAY,
&ivtv_v4l2_dec_fops
},
{ /* IVTV_DEC_STREAM_TYPE_VBI */
@@ -151,7 +152,8 @@ static struct {
"decoder YUV",
VFL_TYPE_GRABBER, IVTV_V4L2_DEC_YUV_OFFSET,
PCI_DMA_TODEVICE, 0,
- V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
+ V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE |
+ V4L2_CAP_VIDEO_OUTPUT_OVERLAY,
&ivtv_v4l2_dec_fops
}
};
@@ -159,11 +161,9 @@ static struct {
static void ivtv_stream_init(struct ivtv *itv, int type)
{
struct ivtv_stream *s = &itv->streams[type];
- struct video_device *vdev = s->vdev;
/* we need to keep vdev, so restore it afterwards */
memset(s, 0, sizeof(*s));
- s->vdev = vdev;
/* initialize ivtv_stream fields */
s->itv = itv;
@@ -194,10 +194,10 @@ static int ivtv_prep_dev(struct ivtv *itv, int type)
int num_offset = ivtv_stream_info[type].num_offset;
int num = itv->instance + ivtv_first_minor + num_offset;
- /* These four fields are always initialized. If vdev == NULL, then
+ /* These four fields are always initialized. If vdev.v4l2_dev == NULL, then
this stream is not in use. In that case no other fields but these
four can be used. */
- s->vdev = NULL;
+ s->vdev.v4l2_dev = NULL;
s->itv = itv;
s->type = type;
s->name = ivtv_stream_info[type].name;
@@ -218,40 +218,33 @@ static int ivtv_prep_dev(struct ivtv *itv, int type)
ivtv_stream_init(itv, type);
- /* allocate and initialize the v4l2 video device structure */
- s->vdev = video_device_alloc();
- if (s->vdev == NULL) {
- IVTV_ERR("Couldn't allocate v4l2 video_device for %s\n", s->name);
- return -ENOMEM;
- }
-
- snprintf(s->vdev->name, sizeof(s->vdev->name), "%s %s",
+ snprintf(s->vdev.name, sizeof(s->vdev.name), "%s %s",
itv->v4l2_dev.name, s->name);
- s->vdev->num = num;
- s->vdev->v4l2_dev = &itv->v4l2_dev;
+ s->vdev.num = num;
+ s->vdev.v4l2_dev = &itv->v4l2_dev;
if (ivtv_stream_info[type].v4l2_caps &
(V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_SLICED_VBI_OUTPUT))
- s->vdev->vfl_dir = VFL_DIR_TX;
- s->vdev->fops = ivtv_stream_info[type].fops;
- s->vdev->ctrl_handler = itv->v4l2_dev.ctrl_handler;
- s->vdev->release = video_device_release;
- s->vdev->tvnorms = V4L2_STD_ALL;
- s->vdev->lock = &itv->serialize_lock;
+ s->vdev.vfl_dir = VFL_DIR_TX;
+ s->vdev.fops = ivtv_stream_info[type].fops;
+ s->vdev.ctrl_handler = itv->v4l2_dev.ctrl_handler;
+ s->vdev.release = video_device_release_empty;
+ s->vdev.tvnorms = V4L2_STD_ALL;
+ s->vdev.lock = &itv->serialize_lock;
if (s->type == IVTV_DEC_STREAM_TYPE_VBI) {
- v4l2_disable_ioctl(s->vdev, VIDIOC_S_AUDIO);
- v4l2_disable_ioctl(s->vdev, VIDIOC_G_AUDIO);
- v4l2_disable_ioctl(s->vdev, VIDIOC_ENUMAUDIO);
- v4l2_disable_ioctl(s->vdev, VIDIOC_ENUMINPUT);
- v4l2_disable_ioctl(s->vdev, VIDIOC_S_INPUT);
- v4l2_disable_ioctl(s->vdev, VIDIOC_G_INPUT);
- v4l2_disable_ioctl(s->vdev, VIDIOC_S_FREQUENCY);
- v4l2_disable_ioctl(s->vdev, VIDIOC_G_FREQUENCY);
- v4l2_disable_ioctl(s->vdev, VIDIOC_S_TUNER);
- v4l2_disable_ioctl(s->vdev, VIDIOC_G_TUNER);
- v4l2_disable_ioctl(s->vdev, VIDIOC_S_STD);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_S_AUDIO);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_G_AUDIO);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_ENUMAUDIO);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_ENUMINPUT);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_S_INPUT);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_G_INPUT);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_S_FREQUENCY);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_G_FREQUENCY);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_S_TUNER);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_G_TUNER);
+ v4l2_disable_ioctl(&s->vdev, VIDIOC_S_STD);
}
- ivtv_set_funcs(s->vdev);
+ ivtv_set_funcs(&s->vdev);
return 0;
}
@@ -266,7 +259,7 @@ int ivtv_streams_setup(struct ivtv *itv)
if (ivtv_prep_dev(itv, type))
break;
- if (itv->streams[type].vdev == NULL)
+ if (itv->streams[type].vdev.v4l2_dev == NULL)
continue;
/* Allocate Stream */
@@ -277,7 +270,7 @@ int ivtv_streams_setup(struct ivtv *itv)
return 0;
/* One or more streams could not be initialized. Clean 'em all up. */
- ivtv_streams_cleanup(itv, 0);
+ ivtv_streams_cleanup(itv);
return -ENOMEM;
}
@@ -288,28 +281,26 @@ static int ivtv_reg_dev(struct ivtv *itv, int type)
const char *name;
int num;
- if (s->vdev == NULL)
+ if (s->vdev.v4l2_dev == NULL)
return 0;
- num = s->vdev->num;
+ num = s->vdev.num;
/* card number + user defined offset + device offset */
if (type != IVTV_ENC_STREAM_TYPE_MPG) {
struct ivtv_stream *s_mpg = &itv->streams[IVTV_ENC_STREAM_TYPE_MPG];
- if (s_mpg->vdev)
- num = s_mpg->vdev->num + ivtv_stream_info[type].num_offset;
+ if (s_mpg->vdev.v4l2_dev)
+ num = s_mpg->vdev.num + ivtv_stream_info[type].num_offset;
}
- video_set_drvdata(s->vdev, s);
+ video_set_drvdata(&s->vdev, s);
/* Register device. First try the desired minor, then any free one. */
- if (video_register_device_no_warn(s->vdev, vfl_type, num)) {
+ if (video_register_device_no_warn(&s->vdev, vfl_type, num)) {
IVTV_ERR("Couldn't register v4l2 device for %s (device node number %d)\n",
s->name, num);
- video_device_release(s->vdev);
- s->vdev = NULL;
return -ENOMEM;
}
- name = video_device_node_name(s->vdev);
+ name = video_device_node_name(&s->vdev);
switch (vfl_type) {
case VFL_TYPE_GRABBER:
@@ -346,29 +337,25 @@ int ivtv_streams_register(struct ivtv *itv)
return 0;
/* One or more streams could not be initialized. Clean 'em all up. */
- ivtv_streams_cleanup(itv, 1);
+ ivtv_streams_cleanup(itv);
return -ENOMEM;
}
/* Unregister v4l2 devices */
-void ivtv_streams_cleanup(struct ivtv *itv, int unregister)
+void ivtv_streams_cleanup(struct ivtv *itv)
{
int type;
/* Teardown all streams */
for (type = 0; type < IVTV_MAX_STREAMS; type++) {
- struct video_device *vdev = itv->streams[type].vdev;
+ struct video_device *vdev = &itv->streams[type].vdev;
- itv->streams[type].vdev = NULL;
- if (vdev == NULL)
+ if (vdev->v4l2_dev == NULL)
continue;
+ video_unregister_device(vdev);
ivtv_stream_free(&itv->streams[type]);
- /* Unregister or release device */
- if (unregister)
- video_unregister_device(vdev);
- else
- video_device_release(vdev);
+ itv->streams[type].vdev.v4l2_dev = NULL;
}
}
@@ -492,7 +479,7 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s)
int captype = 0, subtype = 0;
int enable_passthrough = 0;
- if (s->vdev == NULL)
+ if (s->vdev.v4l2_dev == NULL)
return -EINVAL;
IVTV_DEBUG_INFO("Start encoder stream %s\n", s->name);
@@ -661,7 +648,7 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s)
u16 width;
u16 height;
- if (s->vdev == NULL)
+ if (s->vdev.v4l2_dev == NULL)
return -EINVAL;
IVTV_DEBUG_INFO("Setting some initial decoder settings\n");
@@ -723,7 +710,7 @@ int ivtv_start_v4l2_decode_stream(struct ivtv_stream *s, int gop_offset)
struct ivtv *itv = s->itv;
int rc;
- if (s->vdev == NULL)
+ if (s->vdev.v4l2_dev == NULL)
return -EINVAL;
if (test_and_set_bit(IVTV_F_S_STREAMING, &s->s_flags))
@@ -778,7 +765,7 @@ void ivtv_stop_all_captures(struct ivtv *itv)
for (i = IVTV_MAX_STREAMS - 1; i >= 0; i--) {
struct ivtv_stream *s = &itv->streams[i];
- if (s->vdev == NULL)
+ if (s->vdev.v4l2_dev == NULL)
continue;
if (test_bit(IVTV_F_S_STREAMING, &s->s_flags)) {
ivtv_stop_v4l2_encode_stream(s, 0);
@@ -793,7 +780,7 @@ int ivtv_stop_v4l2_encode_stream(struct ivtv_stream *s, int gop_end)
int cap_type;
int stopmode;
- if (s->vdev == NULL)
+ if (s->vdev.v4l2_dev == NULL)
return -EINVAL;
/* This function assumes that you are allowed to stop the capture
@@ -917,7 +904,7 @@ int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts)
};
struct ivtv *itv = s->itv;
- if (s->vdev == NULL)
+ if (s->vdev.v4l2_dev == NULL)
return -EINVAL;
if (s->type != IVTV_DEC_STREAM_TYPE_YUV && s->type != IVTV_DEC_STREAM_TYPE_MPG)
@@ -969,7 +956,7 @@ int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts)
set_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags);
wake_up(&itv->event_waitq);
- v4l2_event_queue(s->vdev, &ev);
+ v4l2_event_queue(&s->vdev, &ev);
/* wake up wait queues */
wake_up(&s->waitq);
@@ -982,7 +969,7 @@ int ivtv_passthrough_mode(struct ivtv *itv, int enable)
struct ivtv_stream *yuv_stream = &itv->streams[IVTV_ENC_STREAM_TYPE_YUV];
struct ivtv_stream *dec_stream = &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
- if (yuv_stream->vdev == NULL || dec_stream->vdev == NULL)
+ if (yuv_stream->vdev.v4l2_dev == NULL || dec_stream->vdev.v4l2_dev == NULL)
return -EINVAL;
IVTV_DEBUG_INFO("ivtv ioctl: Select passthrough mode\n");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.