diff options
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h | 5 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 119 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.h | 4 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c | 7 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c | 49 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h | 1 |
6 files changed, 183 insertions, 2 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h index 657f861593b..0453244b7fa 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h @@ -319,6 +319,7 @@ struct pvr2_hdw { struct pvr2_ctl_info std_info_cur; struct v4l2_standard *std_defs; const char **std_enum_names; + struct v4l2_cropcap cropcap; // Generated string names, one per actual V4L2 standard const char *std_mask_ptrs[32]; @@ -367,6 +368,10 @@ struct pvr2_hdw { VCREATE_DATA(bass); VCREATE_DATA(treble); VCREATE_DATA(mute); + VCREATE_DATA(cropl); + VCREATE_DATA(cropt); + VCREATE_DATA(cropw); + VCREATE_DATA(croph); VCREATE_DATA(input); VCREATE_DATA(audiomode); VCREATE_DATA(res_hor); diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index a7d636f3f9b..68f4315201a 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -402,6 +402,52 @@ static int ctrl_freq_set(struct pvr2_ctrl *cptr,int m,int v) return 0; } +static int ctrl_cropl_min_get(struct pvr2_ctrl *cptr, int *left) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap; + if (cap->bounds.width > 0) { + /* This statement is present purely to shut up + checkpatch.pl */ + *left = cap->bounds.left - cap->defrect.left; + } else { + /* This statement is present purely to shut up + checkpatch.pl */ + *left = -119; + } + return 0; +} + +static int ctrl_cropl_max_get(struct pvr2_ctrl *cptr, int *left) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap; + if (cap->bounds.width > 0) { + *left = cap->bounds.left + cap->bounds.width + - cap->defrect.left; + *left += 3; + *left -= cptr->hdw->cropw_val; + } else { + /* This statement is present purely to shut up + checkpatch.pl */ + *left = 340; + } + return 0; +} + +static int ctrl_cropt_min_get(struct pvr2_ctrl *cptr, int *top) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap; + if (cap->bounds.height > 0) { + /* This statement is present purely to shut up + checkpatch.pl */ + *top = cap->bounds.top - cap->defrect.top; + } else { + /* This statement is present purely to shut up + checkpatch.pl */ + *top = -19; + } + return 0; +} + static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) { /* Actual maximum depends on the video standard in effect. */ @@ -413,6 +459,19 @@ static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) return 0; } +static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap; + if (cap->bounds.height > 0) { + *top = cap->bounds.top + cap->bounds.height - cap->defrect.top; + *top -= cptr->hdw->croph_val; + } else { + ctrl_vres_max_get(cptr, top); + *top -= 32; + } + return 0; +} + static int ctrl_vres_min_get(struct pvr2_ctrl *cptr,int *vp) { /* Actual minimum depends on device digitizer type. */ @@ -779,6 +838,10 @@ VCREATE_FUNCS(balance) VCREATE_FUNCS(bass) VCREATE_FUNCS(treble) VCREATE_FUNCS(mute) +VCREATE_FUNCS(cropl) +VCREATE_FUNCS(cropt) +VCREATE_FUNCS(cropw) +VCREATE_FUNCS(croph) VCREATE_FUNCS(audiomode) VCREATE_FUNCS(res_hor) VCREATE_FUNCS(res_ver) @@ -849,6 +912,39 @@ static const struct pvr2_ctl_info control_defs[] = { .default_value = 0, DEFREF(mute), DEFBOOL, + }, { + .desc = "Capture left margin", + .name = "crop_left", + .internal_id = PVR2_CID_CROPL, + .default_value = 0, + DEFREF(cropl), + DEFINT(-129, 340), + .get_min_value = ctrl_cropl_min_get, + .get_max_value = ctrl_cropl_max_get, + }, { + .desc = "Capture top margin", + .name = "crop_top", + .internal_id = PVR2_CID_CROPT, + .default_value = 0, + DEFREF(cropt), + DEFINT(-35, 544), + .get_min_value = ctrl_cropt_min_get, + .get_max_value = ctrl_cropt_max_get, + }, { + .desc = "Capture width", + .name = "crop_width", + .internal_id = PVR2_CID_CROPW, + .default_value = 720, + DEFREF(cropw), + DEFINT(388, 849), /* determined empirically, any res_hor>=64 */ + }, { + .desc = "Capture height", + .name = "crop_height", + .internal_id = PVR2_CID_CROPH, + .default_value = 480, + DEFREF(croph), + DEFINT(32, 576), + .get_max_value = ctrl_vres_max_get, },{ .desc = "Video Source", .name = "input", @@ -2092,6 +2188,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, valid_std_mask; } + memset(&hdw->cropcap, 0, sizeof hdw->cropcap); hdw->eeprom_addr = -1; hdw->unit_number = -1; hdw->v4l_minor_number_video = -1; @@ -2528,6 +2625,28 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) /* Can't commit anything until pathway is ok. */ return 0; } + /* The broadcast decoder can only scale down, so if + * res_*_dirty && crop window < output format ==> enlarge crop. + * + * The mpeg encoder receives fields of res_hor_val dots and + * res_ver_val halflines. Limits: hor<=720, ver<=576. + */ + if (hdw->res_hor_dirty && hdw->cropw_val < hdw->res_hor_val) { + hdw->cropw_val = hdw->res_hor_val; + hdw->cropw_dirty = !0; + } else if (hdw->cropw_dirty) { + hdw->res_hor_dirty = !0; /* must rescale */ + hdw->res_hor_val = min(720, hdw->cropw_val); + } + if (hdw->res_ver_dirty && hdw->croph_val < hdw->res_ver_val) { + hdw->croph_val = hdw->res_ver_val; + hdw->croph_dirty = !0; + } else if (hdw->croph_dirty) { + int nvres = hdw->std_mask_cur & V4L2_STD_525_60 ? 480 : 576; + hdw->res_ver_dirty = !0; + hdw->res_ver_val = min(nvres, hdw->croph_val); + } + /* If any of the below has changed, then we can't do the update while the pipeline is running. Pipeline must be paused first and decoder -> encoder connection be made quiescent before we diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.h b/drivers/media/video/pvrusb2/pvrusb2-hdw.h index c04956d304a..b4dcda8af64 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.h @@ -36,6 +36,10 @@ #define PVR2_CID_FREQUENCY 6 #define PVR2_CID_HRES 7 #define PVR2_CID_VRES 8 +#define PVR2_CID_CROPL 9 +#define PVR2_CID_CROPT 10 +#define PVR2_CID_CROPW 11 +#define PVR2_CID_CROPH 12 /* Legal values for the INPUT state variable */ #define PVR2_CVAL_INPUT_TV 0 diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c index ccdb429fc7a..94a47718e88 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c @@ -37,8 +37,9 @@ #define OP_VOLUME 3 #define OP_FREQ 4 #define OP_AUDIORATE 5 -#define OP_SIZE 6 -#define OP_LOG 7 +#define OP_CROP 6 +#define OP_SIZE 7 +#define OP_LOG 8 static const struct pvr2_i2c_op * const ops[] = { [OP_STANDARD] = &pvr2_i2c_op_v4l2_standard, @@ -46,6 +47,7 @@ static const struct pvr2_i2c_op * const ops[] = { [OP_BCSH] = &pvr2_i2c_op_v4l2_bcsh, [OP_VOLUME] = &pvr2_i2c_op_v4l2_volume, [OP_FREQ] = &pvr2_i2c_op_v4l2_frequency, + [OP_CROP] = &pvr2_i2c_op_v4l2_crop, [OP_SIZE] = &pvr2_i2c_op_v4l2_size, [OP_LOG] = &pvr2_i2c_op_v4l2_log, }; @@ -59,6 +61,7 @@ void pvr2_i2c_probe(struct pvr2_hdw *hdw,struct pvr2_i2c_client *cp) (1 << OP_BCSH) | (1 << OP_VOLUME) | (1 << OP_FREQ) | + (1 << OP_CROP) | (1 << OP_SIZE) | (1 << OP_LOG)); cp->status_poll = pvr2_v4l2_cmd_status_poll; diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c index 55f04a0b204..440857902c9 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c @@ -233,6 +233,55 @@ const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = { }; +static void set_crop(struct pvr2_hdw *hdw) +{ + struct v4l2_cropcap cap; + struct v4l2_crop crop; + int stat; + + memset(&cap, 0, sizeof cap); + cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + stat = pvr2_i2c_core_cmd(hdw, VIDIOC_CROPCAP, &cap); + hdw->cropcap = cap; + + memset(&crop, 0, sizeof crop); + crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + crop.c = cap.defrect; + crop.c.left += hdw->cropl_val; + crop.c.top += hdw->cropt_val; + crop.c.height = hdw->croph_val; + crop.c.width = hdw->cropw_val; + + pvr2_trace(PVR2_TRACE_CHIPS, + "i2c v4l2 set_crop stat=%d cap=%d:%d:%d:%d" + " crop=%d:%d:%d:%d", stat, cap.bounds.width, + cap.bounds.height, cap.bounds.left, cap.bounds.top, + crop.c.width, crop.c.height, crop.c.left, crop.c.top); + + if (stat >= 0) { + /* This comment is present purely to keep + checkpatch.pl quiet */ + pvr2_i2c_core_cmd(hdw, VIDIOC_S_CROP, &crop); + } +} + +static int check_crop(struct pvr2_hdw *hdw) +{ + /* The "0 +" stupidity is present only to get checkpatch.pl to + shut up. I _want_ those parantheses present so that the + two lines automatically line up in my editor. I despise + checkpatch.pl. */ + return 0 + (hdw->cropl_dirty || hdw->cropt_dirty || + hdw->cropw_dirty || hdw->croph_dirty); +} + +const struct pvr2_i2c_op pvr2_i2c_op_v4l2_crop = { + .check = check_crop, + .update = set_crop, + .name = "v4l2_crop", +}; + + static void do_log(struct pvr2_hdw *hdw) { pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()"); diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h index 7fa38683b3b..eb744a20610 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h @@ -29,6 +29,7 @@ extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_radio; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_bcsh; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_volume; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency; +extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_crop; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_audiomode; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log; |