commit 968b11b20143036098a7013817a15615a54383d3
author Steven Toth <stoth@kernellabs.com> Sat Jul 31 14:59:38 2010 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> Thu Oct 21 07:54:46 2010 -0200
tree 8b0f946481d9ceeb2a8bee47aae5b6d8355c687b
parent 3ed43cf96aa9fc565d74855649d8cee0def67f38

[media] saa7164: implement encoder peak bitrate feature

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 5cab466..c1265b8 100644
--- a/drivers/media/video/saa7164/saa7164-encoder.c
+++ b/drivers/media/video/saa7164/saa7164-encoder.c
@@ -47,6 +47,7 @@
 	V4L2_CID_MPEG_AUDIO_MUTE,
 	V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
 	V4L2_CID_MPEG_VIDEO_BITRATE,
+	V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
 	V4L2_CID_MPEG_VIDEO_B_FRAMES,
 	0
 };
@@ -387,6 +388,9 @@
 	case V4L2_CID_MPEG_VIDEO_B_FRAMES:
 		ctrl->value = params->refdist;
 		break;
+	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
+		ctrl->value = params->bitrate_peak;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -456,6 +460,11 @@
 			(ctrl->value <= 3))
 			ret = 0;
 		break;
+	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
+		if ((ctrl->value >= ENCODER_MIN_BITRATE) &&
+			(ctrl->value <= ENCODER_MAX_BITRATE))
+			ret = 0;
+		break;
 	default:
 		ret = -EINVAL;
 	}
@@ -521,6 +530,9 @@
 	case V4L2_CID_MPEG_VIDEO_B_FRAMES:
 		params->refdist = ctrl->value;
 		break;
+	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
+		params->bitrate_peak = ctrl->value;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -698,6 +710,10 @@
 	case V4L2_CID_MPEG_VIDEO_B_FRAMES:
 		return v4l2_ctrl_query_fill(c,
 			1, 3, 1, 1);
+	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
+		return v4l2_ctrl_query_fill(c,
+			ENCODER_MIN_BITRATE, ENCODER_MAX_BITRATE,
+			100000, ENCODER_DEF_BITRATE);
 	default:
 		return -EINVAL;
 	}
@@ -1318,6 +1334,7 @@
 	port->ctl_saturation = 62;
 	port->ctl_sharpness = 8;
 	port->encoder_params.bitrate = ENCODER_DEF_BITRATE;
+	port->encoder_params.bitrate_peak = 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;