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Diffstat (limited to 'include/media/v4l2-mem2mem.h')
-rw-r--r--include/media/v4l2-mem2mem.h60
1 files changed, 28 insertions, 32 deletions
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h
index 0af330cf91c3..bf6a09a04dcf 100644
--- a/include/media/v4l2-mem2mem.h
+++ b/include/media/v4l2-mem2mem.h
@@ -153,6 +153,9 @@ void *v4l2_m2m_get_curr_priv(struct v4l2_m2m_dev *m2m_dev);
*
* @m2m_ctx: m2m context assigned to the instance given by struct &v4l2_m2m_ctx
* @type: type of the V4L2 buffer, as defined by enum &v4l2_buf_type
+ *
+ * This function returns the capture queue when @type is a capture type, and the
+ * output queue otherwise. It never returns a NULL pointer.
*/
struct vb2_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx,
enum v4l2_buf_type type);
@@ -192,8 +195,7 @@ void v4l2_m2m_try_schedule(struct v4l2_m2m_ctx *m2m_ctx);
* other instances to take control of the device.
*
* This function has to be called only after &v4l2_m2m_ops->device_run
- * callback has been called on the driver. To prevent recursion, it should
- * not be called directly from the &v4l2_m2m_ops->device_run callback though.
+ * callback has been called on the driver.
*/
void v4l2_m2m_job_finish(struct v4l2_m2m_dev *m2m_dev,
struct v4l2_m2m_ctx *m2m_ctx);
@@ -843,19 +845,13 @@ v4l2_m2m_dst_buf_remove_by_idx(struct v4l2_m2m_ctx *m2m_ctx, unsigned int idx)
*
* @out_vb: the output buffer that is the source of the metadata.
* @cap_vb: the capture buffer that will receive the metadata.
- * @copy_frame_flags: copy the KEY/B/PFRAME flags as well.
*
* This helper function copies the timestamp, timecode (if the TIMECODE
- * buffer flag was set), field and the TIMECODE, KEYFRAME, BFRAME, PFRAME
- * and TSTAMP_SRC_MASK flags from @out_vb to @cap_vb.
- *
- * If @copy_frame_flags is false, then the KEYFRAME, BFRAME and PFRAME
- * flags are not copied. This is typically needed for encoders that
- * set this bits explicitly.
+ * buffer flag was set), field, and the TIMECODE and TSTAMP_SRC_MASK flags from
+ * @out_vb to @cap_vb.
*/
void v4l2_m2m_buf_copy_metadata(const struct vb2_v4l2_buffer *out_vb,
- struct vb2_v4l2_buffer *cap_vb,
- bool copy_frame_flags);
+ struct vb2_v4l2_buffer *cap_vb);
/* v4l2 request helper */
@@ -864,34 +860,34 @@ void v4l2_m2m_request_queue(struct media_request *req);
/* v4l2 ioctl helpers */
int v4l2_m2m_ioctl_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *rb);
-int v4l2_m2m_ioctl_create_bufs(struct file *file, void *fh,
- struct v4l2_create_buffers *create);
+ struct v4l2_requestbuffers *rb);
+int v4l2_m2m_ioctl_create_bufs(struct file *file, void *priv,
+ struct v4l2_create_buffers *create);
int v4l2_m2m_ioctl_remove_bufs(struct file *file, void *priv,
struct v4l2_remove_buffers *d);
-int v4l2_m2m_ioctl_querybuf(struct file *file, void *fh,
- struct v4l2_buffer *buf);
-int v4l2_m2m_ioctl_expbuf(struct file *file, void *fh,
- struct v4l2_exportbuffer *eb);
-int v4l2_m2m_ioctl_qbuf(struct file *file, void *fh,
- struct v4l2_buffer *buf);
-int v4l2_m2m_ioctl_dqbuf(struct file *file, void *fh,
- struct v4l2_buffer *buf);
-int v4l2_m2m_ioctl_prepare_buf(struct file *file, void *fh,
+int v4l2_m2m_ioctl_querybuf(struct file *file, void *priv,
+ struct v4l2_buffer *buf);
+int v4l2_m2m_ioctl_expbuf(struct file *file, void *priv,
+ struct v4l2_exportbuffer *eb);
+int v4l2_m2m_ioctl_qbuf(struct file *file, void *priv,
+ struct v4l2_buffer *buf);
+int v4l2_m2m_ioctl_dqbuf(struct file *file, void *priv,
+ struct v4l2_buffer *buf);
+int v4l2_m2m_ioctl_prepare_buf(struct file *file, void *priv,
struct v4l2_buffer *buf);
-int v4l2_m2m_ioctl_streamon(struct file *file, void *fh,
- enum v4l2_buf_type type);
-int v4l2_m2m_ioctl_streamoff(struct file *file, void *fh,
- enum v4l2_buf_type type);
-int v4l2_m2m_ioctl_encoder_cmd(struct file *file, void *fh,
+int v4l2_m2m_ioctl_streamon(struct file *file, void *priv,
+ enum v4l2_buf_type type);
+int v4l2_m2m_ioctl_streamoff(struct file *file, void *priv,
+ enum v4l2_buf_type type);
+int v4l2_m2m_ioctl_encoder_cmd(struct file *file, void *priv,
struct v4l2_encoder_cmd *ec);
-int v4l2_m2m_ioctl_decoder_cmd(struct file *file, void *fh,
+int v4l2_m2m_ioctl_decoder_cmd(struct file *file, void *priv,
struct v4l2_decoder_cmd *dc);
-int v4l2_m2m_ioctl_try_encoder_cmd(struct file *file, void *fh,
+int v4l2_m2m_ioctl_try_encoder_cmd(struct file *file, void *priv,
struct v4l2_encoder_cmd *ec);
-int v4l2_m2m_ioctl_try_decoder_cmd(struct file *file, void *fh,
+int v4l2_m2m_ioctl_try_decoder_cmd(struct file *file, void *priv,
struct v4l2_decoder_cmd *dc);
-int v4l2_m2m_ioctl_stateless_try_decoder_cmd(struct file *file, void *fh,
+int v4l2_m2m_ioctl_stateless_try_decoder_cmd(struct file *file, void *priv,
struct v4l2_decoder_cmd *dc);
int v4l2_m2m_ioctl_stateless_decoder_cmd(struct file *file, void *priv,
struct v4l2_decoder_cmd *dc);