From 3ed43cf96aa9fc565d74855649d8cee0def67f38 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Sat, 31 Jul 2010 14:58:35 -0300 Subject: [PATCH] [media] saa7164: allow the IBP reference distance to be configurable Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7164/saa7164-api.c | 2 +- drivers/media/video/saa7164/saa7164-encoder.c | 16 ++++++++++++++++ drivers/media/video/saa7164/saa7164.h | 1 + 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/saa7164/saa7164-api.c b/drivers/media/video/saa7164/saa7164-api.c index fec5138..34ac648 100644 --- a/drivers/media/video/saa7164/saa7164-api.c +++ b/drivers/media/video/saa7164/saa7164-api.c @@ -32,7 +32,7 @@ int saa7164_api_set_gop_size(struct saa7164_port *port) 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; ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, EU_VIDEO_GOP_STRUCTURE_CONTROL, diff --git a/drivers/media/video/saa7164/saa7164-encoder.c b/drivers/media/video/saa7164/saa7164-encoder.c index d7d2fe0..5cab466 100644 --- a/drivers/media/video/saa7164/saa7164-encoder.c +++ b/drivers/media/video/saa7164/saa7164-encoder.c @@ -47,6 +47,7 @@ static const u32 saa7164_v4l2_ctrls[] = { V4L2_CID_MPEG_AUDIO_MUTE, V4L2_CID_MPEG_VIDEO_BITRATE_MODE, V4L2_CID_MPEG_VIDEO_BITRATE, + V4L2_CID_MPEG_VIDEO_B_FRAMES, 0 }; @@ -383,6 +384,9 @@ static int saa7164_get_ctrl(struct saa7164_port *port, case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: ctrl->value = params->bitrate_mode; break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + ctrl->value = params->refdist; + break; default: 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)) ret = 0; break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + if ((ctrl->value >= 1) && + (ctrl->value <= 3)) + ret = 0; + break; default: ret = -EINVAL; } @@ -509,6 +518,9 @@ static int saa7164_set_ctrl(struct saa7164_port *port, case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: params->bitrate_mode = ctrl->value; break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + params->refdist = ctrl->value; + break; default: return -EINVAL; } @@ -683,6 +695,9 @@ static int fill_queryctrl(struct saa7164_encoder_params *params, 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); + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + return v4l2_ctrl_query_fill(c, + 1, 3, 1, 1); default: 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.ctl_mute = 0; port->encoder_params.ctl_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3; + port->encoder_params.refdist = 1; 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 712f762..1d9c4e3 100644 --- a/drivers/media/video/saa7164/saa7164.h +++ b/drivers/media/video/saa7164/saa7164.h @@ -261,6 +261,7 @@ struct saa7164_encoder_params { u32 audio_sampling_freq; u32 ctl_mute; u32 ctl_aspect; + u32 refdist; }; struct saa7164_port; -- 2.7.4