From 2d7007153f0c9b1dd00c01894df7d26ddc32b79f Mon Sep 17 00:00:00 2001 From: Junghak Sung Date: Tue, 22 Sep 2015 10:30:30 -0300 Subject: [media] media: videobuf2: Restructure vb2_buffer Remove v4l2 stuff - v4l2_buf, v4l2_plane - from struct vb2_buffer. Add new member variables - bytesused, length, offset, userptr, fd, data_offset - to struct vb2_plane in order to cover all information of v4l2_plane. struct vb2_plane { unsigned int bytesused; unsigned int length; union { unsigned int offset; unsigned long userptr; int fd; } m; unsigned int data_offset; } Replace v4l2_buf with new member variables - index, type, memory - which are common fields for buffer management. struct vb2_buffer { unsigned int index; unsigned int type; unsigned int memory; unsigned int num_planes; struct vb2_plane planes[VIDEO_MAX_PLANES]; }; v4l2 specific fields - flags, field, timestamp, timecode, sequence - are moved to vb2_v4l2_buffer in videobuf2-v4l2.c struct vb2_v4l2_buffer { struct vb2_buffer vb2_buf; __u32 flags; __u32 field; struct timeval timestamp; struct v4l2_timecode timecode; __u32 sequence; }; Signed-off-by: Junghak Sung Signed-off-by: Geunyoung Kim Acked-by: Seung-Woo Kim Acked-by: Inki Dae Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/usbtv/usbtv-video.c | 19 ++++++++++--------- drivers/media/usb/usbtv/usbtv.h | 3 ++- 2 files changed, 12 insertions(+), 10 deletions(-) (limited to 'drivers/media/usb/usbtv') diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c index a46766c9173d..ce5d5028e4c2 100644 --- a/drivers/media/usb/usbtv/usbtv-video.c +++ b/drivers/media/usb/usbtv/usbtv-video.c @@ -306,7 +306,7 @@ static void usbtv_image_chunk(struct usbtv *usbtv, __be32 *chunk) /* First available buffer. */ buf = list_first_entry(&usbtv->bufs, struct usbtv_buf, list); - frame = vb2_plane_vaddr(&buf->vb, 0); + frame = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); /* Copy the chunk data. */ usbtv_chunk_to_vbuf(frame, &chunk[1], chunk_no, odd); @@ -314,17 +314,17 @@ static void usbtv_image_chunk(struct usbtv *usbtv, __be32 *chunk) /* Last chunk in a frame, signalling an end */ if (odd && chunk_no == usbtv->n_chunks-1) { - int size = vb2_plane_size(&buf->vb, 0); + int size = vb2_plane_size(&buf->vb.vb2_buf, 0); enum vb2_buffer_state state = usbtv->chunks_done == usbtv->n_chunks ? VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR; - buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED; - buf->vb.v4l2_buf.sequence = usbtv->sequence++; - v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); - vb2_set_plane_payload(&buf->vb, 0, size); - vb2_buffer_done(&buf->vb, state); + buf->vb.field = V4L2_FIELD_INTERLACED; + buf->vb.sequence = usbtv->sequence++; + v4l2_get_timestamp(&buf->vb.timestamp); + vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size); + vb2_buffer_done(&buf->vb.vb2_buf, state); list_del(&buf->list); } @@ -422,7 +422,7 @@ static void usbtv_stop(struct usbtv *usbtv) while (!list_empty(&usbtv->bufs)) { struct usbtv_buf *buf = list_first_entry(&usbtv->bufs, struct usbtv_buf, list); - vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); list_del(&buf->list); } spin_unlock_irqrestore(&usbtv->buflock, flags); @@ -617,8 +617,9 @@ static int usbtv_queue_setup(struct vb2_queue *vq, static void usbtv_buf_queue(struct vb2_buffer *vb) { + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct usbtv *usbtv = vb2_get_drv_priv(vb->vb2_queue); - struct usbtv_buf *buf = container_of(vb, struct usbtv_buf, vb); + struct usbtv_buf *buf = container_of(vbuf, struct usbtv_buf, vb); unsigned long flags; if (usbtv->udev == NULL) { diff --git a/drivers/media/usb/usbtv/usbtv.h b/drivers/media/usb/usbtv/usbtv.h index 968119581fab..19cb8bf7c4e9 100644 --- a/drivers/media/usb/usbtv/usbtv.h +++ b/drivers/media/usb/usbtv/usbtv.h @@ -24,6 +24,7 @@ #include #include +#include #include /* Hardware. */ @@ -61,7 +62,7 @@ struct usbtv_norm_params { /* A single videobuf2 frame buffer. */ struct usbtv_buf { - struct vb2_buffer vb; + struct vb2_v4l2_buffer vb; struct list_head list; }; -- cgit v1.2.3