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authorSteven Toth <stoth@kernellabs.com>2010-07-31 15:05:35 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-10-21 07:54:49 -0200
commit5fa56ccdacc54f5f694141c1a74f781cf77874bb (patch)
tree9e94fce2d895a7742557ced8eb354c670128766c
parentf91d095c92e8fdcb6bd8cb35e8fa9c87d9c10768 (diff)
[media] saa7164: allow variable length GOP sizes and switch encoder default to CBR
Signed-off-by: Steven Toth <stoth@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/saa7164/saa7164-api.c2
-rw-r--r--drivers/media/video/saa7164/saa7164-encoder.c13
-rw-r--r--drivers/media/video/saa7164/saa7164.h1
3 files changed, 12 insertions, 4 deletions
diff --git a/drivers/media/video/saa7164/saa7164-api.c b/drivers/media/video/saa7164/saa7164-api.c
index 5f72bb854e60..5630a5d40896 100644
--- a/drivers/media/video/saa7164/saa7164-api.c
+++ b/drivers/media/video/saa7164/saa7164-api.c
@@ -33,7 +33,7 @@ int saa7164_api_set_gop_size(struct saa7164_port *port)
dprintk(DBGLVL_ENC, "%s()\n", __func__);
gs.ucRefFrameDist = port->encoder_params.refdist;
- gs.ucGOPSize = SAA7164_ENCODER_DEFAULT_GOP_SIZE;
+ gs.ucGOPSize = port->encoder_params.gop_size;
ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
EU_VIDEO_GOP_STRUCTURE_CONTROL,
sizeof(gs), &gs);
diff --git a/drivers/media/video/saa7164/saa7164-encoder.c b/drivers/media/video/saa7164/saa7164-encoder.c
index c357e2db1ac3..cedeeece3c3f 100644
--- a/drivers/media/video/saa7164/saa7164-encoder.c
+++ b/drivers/media/video/saa7164/saa7164-encoder.c
@@ -42,14 +42,14 @@ static const u32 saa7164_v4l2_ctrls[] = {
V4L2_CID_HUE,
V4L2_CID_AUDIO_VOLUME,
V4L2_CID_SHARPNESS,
+ V4L2_CID_MPEG_STREAM_TYPE,
V4L2_CID_MPEG_VIDEO_ASPECT,
+ V4L2_CID_MPEG_VIDEO_B_FRAMES,
V4L2_CID_MPEG_VIDEO_GOP_SIZE,
- V4L2_CID_MPEG_STREAM_TYPE,
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
};
@@ -392,6 +392,9 @@ static int saa7164_get_ctrl(struct saa7164_port *port,
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
ctrl->value = params->bitrate_peak;
break;
+ case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
+ ctrl->value = params->gop_size;
+ break;
default:
return -EINVAL;
}
@@ -535,6 +538,9 @@ static int saa7164_set_ctrl(struct saa7164_port *port,
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
params->bitrate_peak = ctrl->value;
break;
+ case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
+ params->gop_size = ctrl->value;
+ break;
default:
return -EINVAL;
}
@@ -1336,11 +1342,12 @@ int saa7164_encoder_register(struct saa7164_port *port)
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.bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_CBR;
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;
port->encoder_params.refdist = 1;
+ port->encoder_params.gop_size = SAA7164_ENCODER_DEFAULT_GOP_SIZE;
if (port->encodernorm.id & V4L2_STD_525_60)
port->height = 480;
diff --git a/drivers/media/video/saa7164/saa7164.h b/drivers/media/video/saa7164/saa7164.h
index dade968af0cd..ef98a958b75e 100644
--- a/drivers/media/video/saa7164/saa7164.h
+++ b/drivers/media/video/saa7164/saa7164.h
@@ -263,6 +263,7 @@ struct saa7164_encoder_params {
u32 ctl_mute;
u32 ctl_aspect;
u32 refdist;
+ u32 gop_size;
};
struct saa7164_port;