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path: root/drivers/media/platform/vivid/vivid-kthread-out.c
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Diffstat (limited to 'drivers/media/platform/vivid/vivid-kthread-out.c')
-rw-r--r--drivers/media/platform/vivid/vivid-kthread-out.c57
1 files changed, 51 insertions, 6 deletions
diff --git a/drivers/media/platform/vivid/vivid-kthread-out.c b/drivers/media/platform/vivid/vivid-kthread-out.c
index ce5bcda2348c..6780687978f9 100644
--- a/drivers/media/platform/vivid/vivid-kthread-out.c
+++ b/drivers/media/platform/vivid/vivid-kthread-out.c
@@ -38,11 +38,13 @@
#include "vivid-osd.h"
#include "vivid-ctrls.h"
#include "vivid-kthread-out.h"
+#include "vivid-meta-out.h"
static void vivid_thread_vid_out_tick(struct vivid_dev *dev)
{
struct vivid_buffer *vid_out_buf = NULL;
struct vivid_buffer *vbi_out_buf = NULL;
+ struct vivid_buffer *meta_out_buf = NULL;
dprintk(dev, 1, "Video Output Thread Tick\n");
@@ -69,9 +71,14 @@ static void vivid_thread_vid_out_tick(struct vivid_dev *dev)
struct vivid_buffer, list);
list_del(&vbi_out_buf->list);
}
+ if (!list_empty(&dev->meta_out_active)) {
+ meta_out_buf = list_entry(dev->meta_out_active.next,
+ struct vivid_buffer, list);
+ list_del(&meta_out_buf->list);
+ }
spin_unlock(&dev->slock);
- if (!vid_out_buf && !vbi_out_buf)
+ if (!vid_out_buf && !vbi_out_buf && !meta_out_buf)
return;
if (vid_out_buf) {
@@ -111,6 +118,21 @@ static void vivid_thread_vid_out_tick(struct vivid_dev *dev)
dprintk(dev, 2, "vbi_out buffer %d done\n",
vbi_out_buf->vb.vb2_buf.index);
}
+ if (meta_out_buf) {
+ v4l2_ctrl_request_setup(meta_out_buf->vb.vb2_buf.req_obj.req,
+ &dev->ctrl_hdl_meta_out);
+ v4l2_ctrl_request_complete(meta_out_buf->vb.vb2_buf.req_obj.req,
+ &dev->ctrl_hdl_meta_out);
+ vivid_meta_out_process(dev, meta_out_buf);
+ meta_out_buf->vb.sequence = dev->meta_out_seq_count;
+ meta_out_buf->vb.vb2_buf.timestamp =
+ ktime_get_ns() + dev->time_wrap_offset;
+ vb2_buffer_done(&meta_out_buf->vb.vb2_buf, dev->dqbuf_error ?
+ VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
+ dprintk(dev, 2, "meta_out buffer %d done\n",
+ meta_out_buf->vb.vb2_buf.index);
+ }
+
dev->dqbuf_error = false;
}
@@ -136,6 +158,7 @@ static int vivid_thread_vid_out(void *data)
dev->out_seq_count = 0xffffff80U;
dev->jiffies_vid_out = jiffies;
dev->vid_out_seq_start = dev->vbi_out_seq_start = 0;
+ dev->meta_out_seq_start = 0;
dev->out_seq_resync = false;
for (;;) {
@@ -143,7 +166,11 @@ static int vivid_thread_vid_out(void *data)
if (kthread_should_stop())
break;
- mutex_lock(&dev->mutex);
+ if (!mutex_trylock(&dev->mutex)) {
+ schedule_timeout_uninterruptible(1);
+ continue;
+ }
+
cur_jiffies = jiffies;
if (dev->out_seq_resync) {
dev->jiffies_vid_out = cur_jiffies;
@@ -178,6 +205,7 @@ static int vivid_thread_vid_out(void *data)
dev->out_seq_count = buffers_since_start + dev->out_seq_offset;
dev->vid_out_seq_count = dev->out_seq_count - dev->vid_out_seq_start;
dev->vbi_out_seq_count = dev->out_seq_count - dev->vbi_out_seq_start;
+ dev->meta_out_seq_count = dev->out_seq_count - dev->meta_out_seq_start;
vivid_thread_vid_out_tick(dev);
mutex_unlock(&dev->mutex);
@@ -229,8 +257,10 @@ int vivid_start_generating_vid_out(struct vivid_dev *dev, bool *pstreaming)
if (pstreaming == &dev->vid_out_streaming)
dev->vid_out_seq_start = seq_count;
- else
+ else if (pstreaming == &dev->vbi_out_streaming)
dev->vbi_out_seq_start = seq_count;
+ else
+ dev->meta_out_seq_start = seq_count;
*pstreaming = true;
return 0;
}
@@ -239,6 +269,7 @@ int vivid_start_generating_vid_out(struct vivid_dev *dev, bool *pstreaming)
dev->jiffies_vid_out = jiffies;
dev->vid_out_seq_start = dev->seq_wrap * 128;
dev->vbi_out_seq_start = dev->seq_wrap * 128;
+ dev->meta_out_seq_start = dev->seq_wrap * 128;
dev->kthread_vid_out = kthread_run(vivid_thread_vid_out, dev,
"%s-vid-out", dev->v4l2_dev.name);
@@ -296,13 +327,27 @@ void vivid_stop_generating_vid_out(struct vivid_dev *dev, bool *pstreaming)
}
}
- if (dev->vid_out_streaming || dev->vbi_out_streaming)
+ if (pstreaming == &dev->meta_out_streaming) {
+ while (!list_empty(&dev->meta_out_active)) {
+ struct vivid_buffer *buf;
+
+ buf = list_entry(dev->meta_out_active.next,
+ struct vivid_buffer, list);
+ list_del(&buf->list);
+ v4l2_ctrl_request_complete(buf->vb.vb2_buf.req_obj.req,
+ &dev->ctrl_hdl_meta_out);
+ vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
+ dprintk(dev, 2, "meta_out buffer %d done\n",
+ buf->vb.vb2_buf.index);
+ }
+ }
+
+ if (dev->vid_out_streaming || dev->vbi_out_streaming ||
+ dev->meta_out_streaming)
return;
/* shutdown control thread */
vivid_grab_controls(dev, false);
- mutex_unlock(&dev->mutex);
kthread_stop(dev->kthread_vid_out);
dev->kthread_vid_out = NULL;
- mutex_lock(&dev->mutex);
}