diff options
| -rw-r--r-- | drivers/media/video/cx18/cx18-controls.c | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/drivers/media/video/cx18/cx18-controls.c b/drivers/media/video/cx18/cx18-controls.c index 925e01fdbaa..82fc2f9d402 100644 --- a/drivers/media/video/cx18/cx18-controls.c +++ b/drivers/media/video/cx18/cx18-controls.c @@ -166,15 +166,26 @@ static int cx18_g_ctrl(struct cx18 *cx, struct v4l2_control *vctrl) return 0; } -static int cx18_setup_vbi_fmt(struct cx18 *cx, enum v4l2_mpeg_stream_vbi_fmt fmt) +static int cx18_setup_vbi_fmt(struct cx18 *cx, + enum v4l2_mpeg_stream_vbi_fmt fmt, + enum v4l2_mpeg_stream_type type) { if (!(cx->v4l2_cap & V4L2_CAP_SLICED_VBI_CAPTURE)) return -EINVAL; if (atomic_read(&cx->ana_capturing) > 0) return -EBUSY; - /* First try to allocate sliced VBI buffers if needed. */ - if (fmt && cx->vbi.sliced_mpeg_data[0] == NULL) { + 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 */ + cx->vbi.insert_mpeg = V4L2_MPEG_STREAM_VBI_FMT_NONE; + CX18_DEBUG_INFO("disabled insertion of sliced VBI data into " + "the MPEG stream\n"); + return 0; + } + + /* Allocate sliced VBI buffers if needed. */ + if (cx->vbi.sliced_mpeg_data[0] == NULL) { int i; for (i = 0; i < CX18_VBI_FRAMES; i++) { @@ -185,19 +196,27 @@ static int cx18_setup_vbi_fmt(struct cx18 *cx, enum v4l2_mpeg_stream_vbi_fmt fmt kfree(cx->vbi.sliced_mpeg_data[i]); cx->vbi.sliced_mpeg_data[i] = NULL; } + cx->vbi.insert_mpeg = + V4L2_MPEG_STREAM_VBI_FMT_NONE; + CX18_WARN("Unable to allocate buffers for " + "sliced VBI data insertion\n"); return -ENOMEM; } } } cx->vbi.insert_mpeg = fmt; + CX18_DEBUG_INFO("enabled insertion of sliced VBI data into the MPEG PS," + "when sliced VBI is enabled\n"); - if (cx->vbi.insert_mpeg == 0) - return 0; - /* Need sliced data for mpeg insertion */ + /* + * If our current settings have no lines set for capture, store a valid, + * default set of service lines to capture, in our current settings. + */ if (cx18_get_service_set(cx->vbi.sliced_in) == 0) { if (cx->is_60hz) - cx->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525; + cx->vbi.sliced_in->service_set = + V4L2_SLICED_CAPTION_525; else cx->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625; cx18_expand_service_set(cx->vbi.sliced_in, cx->is_50hz); @@ -284,8 +303,11 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) priv.cx = cx; priv.s = &cx->streams[id->type]; err = cx2341x_update(&priv, cx18_api_func, &cx->params, &p); - if (!err && cx->params.stream_vbi_fmt != p.stream_vbi_fmt) - err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt); + if (!err && + (cx->params.stream_vbi_fmt != p.stream_vbi_fmt || + cx->params.stream_type != p.stream_type)) + err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt, + p.stream_type); cx->params = p; cx->dualwatch_stereo_mode = p.audio_properties & 0x0300; idx = p.audio_properties & 0x03; |