diff options
Diffstat (limited to 'drivers/media/platform/vivid/vivid-kthread-cap.c')
| -rw-r--r-- | drivers/media/platform/vivid/vivid-kthread-cap.c | 62 |
1 files changed, 53 insertions, 9 deletions
diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c index 003319d7816d..01a9d671b947 100644 --- a/drivers/media/platform/vivid/vivid-kthread-cap.c +++ b/drivers/media/platform/vivid/vivid-kthread-cap.c @@ -39,6 +39,7 @@ #include "vivid-osd.h" #include "vivid-ctrls.h" #include "vivid-kthread-cap.h" +#include "vivid-meta-cap.h" static inline v4l2_std_id vivid_get_std_cap(const struct vivid_dev *dev) { @@ -677,6 +678,7 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, { struct vivid_buffer *vid_cap_buf = NULL; struct vivid_buffer *vbi_cap_buf = NULL; + struct vivid_buffer *meta_cap_buf = NULL; u64 f_time = 0; dprintk(dev, 1, "Video Capture Thread Tick\n"); @@ -704,15 +706,19 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, list_del(&vbi_cap_buf->list); } } + if (!list_empty(&dev->meta_cap_active)) { + meta_cap_buf = list_entry(dev->meta_cap_active.next, + struct vivid_buffer, list); + list_del(&meta_cap_buf->list); + } + spin_unlock(&dev->slock); - if (!vid_cap_buf && !vbi_cap_buf) + if (!vid_cap_buf && !vbi_cap_buf && !meta_cap_buf) goto update_mv; f_time = dev->cap_frame_period * dev->vid_cap_seq_count + dev->cap_stream_start + dev->time_wrap_offset; - if (!dev->tstamp_src_is_soe) - f_time += dev->cap_frame_eof_offset; if (vid_cap_buf) { v4l2_ctrl_request_setup(vid_cap_buf->vb.vb2_buf.req_obj.req, @@ -735,6 +741,8 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, vid_cap_buf->vb.vb2_buf.index); vid_cap_buf->vb.vb2_buf.timestamp = f_time; + if (!dev->tstamp_src_is_soe) + vid_cap_buf->vb.vb2_buf.timestamp += dev->cap_frame_eof_offset; } if (vbi_cap_buf) { @@ -756,8 +764,22 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, /* If capturing a VBI, offset by 0.05 */ vbi_period = dev->cap_frame_period * 5; do_div(vbi_period, 100); - vbi_cap_buf->vb.vb2_buf.timestamp = f_time + vbi_period; + vbi_cap_buf->vb.vb2_buf.timestamp = f_time + dev->cap_frame_eof_offset + vbi_period; + } + + if (meta_cap_buf) { + v4l2_ctrl_request_setup(meta_cap_buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vivid_meta_cap_fillbuff(dev, meta_cap_buf, f_time); + v4l2_ctrl_request_complete(meta_cap_buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vb2_buffer_done(&meta_cap_buf->vb.vb2_buf, dev->dqbuf_error ? + VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); + dprintk(dev, 2, "meta_cap %d done\n", + meta_cap_buf->vb.vb2_buf.index); + meta_cap_buf->vb.vb2_buf.timestamp = f_time + dev->cap_frame_eof_offset; } + dev->dqbuf_error = false; update_mv: @@ -796,7 +818,11 @@ static int vivid_thread_vid_cap(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->cap_seq_resync) { dev->jiffies_vid_cap = cur_jiffies; @@ -835,6 +861,7 @@ static int vivid_thread_vid_cap(void *data) dev->cap_seq_count = buffers_since_start + dev->cap_seq_offset; dev->vid_cap_seq_count = dev->cap_seq_count - dev->vid_cap_seq_start; dev->vbi_cap_seq_count = dev->cap_seq_count - dev->vbi_cap_seq_start; + dev->meta_cap_seq_count = dev->cap_seq_count - dev->meta_cap_seq_start; vivid_thread_vid_cap_tick(dev, dropped_bufs); @@ -883,8 +910,10 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) if (pstreaming == &dev->vid_cap_streaming) dev->vid_cap_seq_start = seq_count; - else + else if (pstreaming == &dev->vbi_cap_streaming) dev->vbi_cap_seq_start = seq_count; + else + dev->meta_cap_seq_start = seq_count; *pstreaming = true; return 0; } @@ -894,6 +923,7 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) dev->vid_cap_seq_start = dev->seq_wrap * 128; dev->vbi_cap_seq_start = dev->seq_wrap * 128; + dev->meta_cap_seq_start = dev->seq_wrap * 128; dev->kthread_vid_cap = kthread_run(vivid_thread_vid_cap, dev, "%s-vid-cap", dev->v4l2_dev.name); @@ -951,13 +981,27 @@ void vivid_stop_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) } } - if (dev->vid_cap_streaming || dev->vbi_cap_streaming) + if (pstreaming == &dev->meta_cap_streaming) { + while (!list_empty(&dev->meta_cap_active)) { + struct vivid_buffer *buf; + + buf = list_entry(dev->meta_cap_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_cap); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + dprintk(dev, 2, "meta_cap buffer %d done\n", + buf->vb.vb2_buf.index); + } + } + + if (dev->vid_cap_streaming || dev->vbi_cap_streaming || + dev->meta_cap_streaming) return; /* shutdown control thread */ vivid_grab_controls(dev, false); - mutex_unlock(&dev->mutex); kthread_stop(dev->kthread_vid_cap); dev->kthread_vid_cap = NULL; - mutex_lock(&dev->mutex); } |