diff options
Diffstat (limited to 'drivers/media/video/cx18')
| -rw-r--r-- | drivers/media/video/cx18/cx18-controls.c | 6 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx18-fileops.c | 7 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/media/video/cx18/cx18-controls.c b/drivers/media/video/cx18/cx18-controls.c index 82fc2f9d402..8e35c3aed54 100644 --- a/drivers/media/video/cx18/cx18-controls.c +++ b/drivers/media/video/cx18/cx18-controls.c @@ -176,8 +176,10 @@ static int cx18_setup_vbi_fmt(struct cx18 *cx, return -EBUSY; if (fmt != V4L2_MPEG_STREAM_VBI_FMT_IVTV || - type != V4L2_MPEG_STREAM_TYPE_MPEG2_PS) { - /* We don't do VBI insertion aside from IVTV format in a PS */ + !(type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS || + type == V4L2_MPEG_STREAM_TYPE_MPEG2_DVD || + type == V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD)) { + /* Only IVTV fmt VBI insertion & only MPEG-2 PS type streams */ cx->vbi.insert_mpeg = V4L2_MPEG_STREAM_VBI_FMT_NONE; CX18_DEBUG_INFO("disabled insertion of sliced VBI data into " "the MPEG stream\n"); diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c index b3889c0b269..29969c18949 100644 --- a/drivers/media/video/cx18/cx18-fileops.c +++ b/drivers/media/video/cx18/cx18-fileops.c @@ -265,8 +265,13 @@ static size_t cx18_copy_buf_to_user(struct cx18_stream *s, * an MPEG-2 Program Pack start code, and provide only * up to that point to the user, so it's easy to insert VBI data * the next time around. + * + * This will not work for an MPEG-2 TS and has only been + * verified by analysis to work for an MPEG-2 PS. Helen Buus + * pointed out this works for the CX23416 MPEG-2 DVD compatible + * stream, and research indicates both the MPEG 2 SVCD and DVD + * stream types use an MPEG-2 PS container. */ - /* FIXME - This only works for an MPEG-2 PS, not a TS */ /* * An MPEG-2 Program Stream (PS) is a series of * MPEG-2 Program Packs terminated by an |