commit 2600d71cc535907e5d95cd31751c587afc370065
author Steven Toth <stoth@kernellabs.com> Sat Jul 31 14:51:30 2010 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> Thu Oct 21 07:54:43 2010 -0200
tree 9c87d5125c15355f3c4b39c4b059cf58ce33d2da
parent 076031310b182ce89cea861982ff49ed6799767a

[media] saa7164: add support for encoder CBR and VBR optionally

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/saa7164/saa7164-encoder.c

diff --git a/drivers/media/video/saa7164/saa7164-encoder.c b/drivers/media/video/saa7164/saa7164-encoder.c
index 74aec26..d7d2fe0 100644
--- a/drivers/media/video/saa7164/saa7164-encoder.c
+++ b/drivers/media/video/saa7164/saa7164-encoder.c
@@ -45,6 +45,7 @@
 	V4L2_CID_MPEG_VIDEO_ASPECT,
 	V4L2_CID_MPEG_STREAM_TYPE,
 	V4L2_CID_MPEG_AUDIO_MUTE,
+	V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
 	V4L2_CID_MPEG_VIDEO_BITRATE,
 	0
 };
@@ -379,6 +380,9 @@
 	case V4L2_CID_MPEG_VIDEO_ASPECT:
 		ctrl->value = params->ctl_aspect;
 		break;
+	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+		ctrl->value = params->bitrate_mode;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -438,6 +442,11 @@
 			(ctrl->value <= 255))
 			ret = 0;
 		break;
+	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+		if ((ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) ||
+			(ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR))
+			ret = 0;
+		break;
 	default:
 		ret = -EINVAL;
 	}
@@ -497,6 +506,9 @@
 			ret = -EIO;
 		}
 		break;
+	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+		params->bitrate_mode = ctrl->value;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -667,6 +679,10 @@
 			1, V4L2_MPEG_VIDEO_ASPECT_4x3);
 	case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
 		return v4l2_ctrl_query_fill(c, 1, 255, 1, 15);
+	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+		return v4l2_ctrl_query_fill(c,
+			V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, V4L2_MPEG_VIDEO_BITRATE_MODE_CBR,
+			1, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
 	default:
 		return -EINVAL;
 	}
@@ -1287,6 +1303,7 @@
 	port->ctl_saturation = 62;
 	port->ctl_sharpness = 8;
 	port->encoder_params.bitrate = ENCODER_DEF_BITRATE;
+	port->encoder_params.bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR;
 	port->encoder_params.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS;
 	port->encoder_params.ctl_mute = 0;
 	port->encoder_params.ctl_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3;