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path: root/drivers/media/video/cx18/cx18-vbi.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-vbi.c')
-rw-r--r--drivers/media/video/cx18/cx18-vbi.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/media/video/cx18/cx18-vbi.c b/drivers/media/video/cx18/cx18-vbi.c
index 38d26c42e4c..d6e15e11958 100644
--- a/drivers/media/video/cx18/cx18-vbi.c
+++ b/drivers/media/video/cx18/cx18-vbi.c
@@ -168,27 +168,28 @@ static u32 compress_sliced_buf(struct cx18 *cx, u32 line, u8 *buf,
}
void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf,
- u64 pts_stamp, int streamtype)
+ int streamtype)
{
u8 *p = (u8 *) buf->buf;
+ u32 *q = (u32 *) buf->buf;
u32 size = buf->bytesused;
+ u32 pts;
int lines;
if (streamtype != CX18_ENC_STREAM_TYPE_VBI)
return;
+ cx18_buf_swap(buf);
+
/*
- * Note the CX23418 provides a 12 byte header, in it's raw VBI
- * buffers to us, that we currently throw away:
- * 0x3fffffff [4 bytes of something] [4 byte timestamp]
+ * The CX23418 provides a 12 byte header in it's raw VBI buffers to us:
+ * 0x3fffffff [4 bytes of something] [4 byte presentation time stamp?]
*/
/* Raw VBI data */
if (cx18_raw_vbi(cx)) {
u8 type;
- cx18_buf_swap(buf);
-
/* Skip 12 bytes of header that gets stuffed in */
size -= 12;
memcpy(p, &buf->buf[12], size);
@@ -208,7 +209,8 @@ void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf,
}
/* Sliced VBI data with data insertion */
- cx18_buf_swap(buf);
+
+ pts = (q[0] == 0x3fffffff) ? q[2] : 0;
/* first field */
/* compress_sliced_buf() will skip the 12 bytes of header */
@@ -230,6 +232,6 @@ void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf,
memcpy(p, &cx->vbi.sliced_data[0], size);
if (cx->vbi.insert_mpeg)
- copy_vbi_data(cx, lines, pts_stamp);
+ copy_vbi_data(cx, lines, pts);
cx->vbi.frame++;
}