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[media] saa7164: allow the IBP reference distance to be configurable

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Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Steven Toth 2010-07-31 14:58:35 -03:00 committed by Mauro Carvalho Chehab
parent 2600d71cc5
commit 3ed43cf96a
3 changed files with 18 additions and 1 deletions
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2
drivers/media/video/saa7164/saa7164-api.c
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@ -32,7 +32,7 @@ int saa7164_api_set_gop_size(struct saa7164_port *port)
dprintk(DBGLVL_ENC, "%s()\n", __func__); dprintk(DBGLVL_ENC, "%s()\n", __func__);
gs.ucRefFrameDist = SAA7164_ENCODER_DEFAULT_GOP_DIST; gs.ucRefFrameDist = port->encoder_params.refdist;
gs.ucGOPSize = SAA7164_ENCODER_DEFAULT_GOP_SIZE; gs.ucGOPSize = SAA7164_ENCODER_DEFAULT_GOP_SIZE;
ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
EU_VIDEO_GOP_STRUCTURE_CONTROL, EU_VIDEO_GOP_STRUCTURE_CONTROL,

16
drivers/media/video/saa7164/saa7164-encoder.c
View File

@ -47,6 +47,7 @@ static const u32 saa7164_v4l2_ctrls[] = {
V4L2_CID_MPEG_AUDIO_MUTE, V4L2_CID_MPEG_AUDIO_MUTE,
V4L2_CID_MPEG_VIDEO_BITRATE_MODE, V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
V4L2_CID_MPEG_VIDEO_BITRATE, V4L2_CID_MPEG_VIDEO_BITRATE,
V4L2_CID_MPEG_VIDEO_B_FRAMES,
0 0
}; };
@ -383,6 +384,9 @@ static int saa7164_get_ctrl(struct saa7164_port *port,
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
ctrl->value = params->bitrate_mode; ctrl->value = params->bitrate_mode;
break; break;
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
ctrl->value = params->refdist;
break;
default: default:
return -EINVAL; return -EINVAL;
} }
@ -447,6 +451,11 @@ static int saa7164_try_ctrl(struct v4l2_ext_control *ctrl, int ac3)
(ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)) (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR))
ret = 0; ret = 0;
break; break;
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
if ((ctrl->value >= 1) &&
(ctrl->value <= 3))
ret = 0;
break;
default: default:
ret = -EINVAL; ret = -EINVAL;
} }
@ -509,6 +518,9 @@ static int saa7164_set_ctrl(struct saa7164_port *port,
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
params->bitrate_mode = ctrl->value; params->bitrate_mode = ctrl->value;
break; break;
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
params->refdist = ctrl->value;
break;
default: default:
return -EINVAL; return -EINVAL;
} }
@ -683,6 +695,9 @@ static int fill_queryctrl(struct saa7164_encoder_params *params,
return v4l2_ctrl_query_fill(c, return v4l2_ctrl_query_fill(c,
V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, V4L2_MPEG_VIDEO_BITRATE_MODE_CBR,
1, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); 1, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
return v4l2_ctrl_query_fill(c,
1, 3, 1, 1);
default: default:
return -EINVAL; return -EINVAL;
} }
@ -1307,6 +1322,7 @@ int saa7164_encoder_register(struct saa7164_port *port)
port->encoder_params.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS; port->encoder_params.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS;
port->encoder_params.ctl_mute = 0; port->encoder_params.ctl_mute = 0;
port->encoder_params.ctl_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3; port->encoder_params.ctl_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3;
port->encoder_params.refdist = 1;
if (port->encodernorm.id & V4L2_STD_525_60) if (port->encodernorm.id & V4L2_STD_525_60)
port->height = 480; port->height = 480;

1
drivers/media/video/saa7164/saa7164.h
View File

@ -261,6 +261,7 @@ struct saa7164_encoder_params {
u32 audio_sampling_freq; u32 audio_sampling_freq;
u32 ctl_mute; u32 ctl_mute;
u32 ctl_aspect; u32 ctl_aspect;
u32 refdist;
}; };
struct saa7164_port; struct saa7164_port;