diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-controls.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-controls.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-controls.c b/drivers/media/video/ivtv/ivtv-controls.c index b31ee1bceef8..c60424601cb9 100644 --- a/drivers/media/video/ivtv/ivtv-controls.c +++ b/drivers/media/video/ivtv/ivtv-controls.c @@ -21,6 +21,7 @@ #include "ivtv-driver.h" #include "ivtv-ioctl.h" #include "ivtv-controls.h" +#include "ivtv-mailbox.h" static int ivtv_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt) { @@ -99,3 +100,64 @@ struct cx2341x_handler_ops ivtv_cxhdl_ops = { .s_video_encoding = ivtv_s_video_encoding, .s_stream_vbi_fmt = ivtv_s_stream_vbi_fmt, }; + +int ivtv_g_pts_frame(struct ivtv *itv, s64 *pts, s64 *frame) +{ + u32 data[CX2341X_MBOX_MAX_DATA]; + + if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) { + *pts = (s64)((u64)itv->last_dec_timing[2] << 32) | + (u64)itv->last_dec_timing[1]; + *frame = itv->last_dec_timing[0]; + return 0; + } + *pts = 0; + *frame = 0; + if (atomic_read(&itv->decoding)) { + if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) { + IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n"); + return -EIO; + } + memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing)); + set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags); + *pts = (s64)((u64) data[2] << 32) | (u64) data[1]; + *frame = data[0]; + /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/ + } + return 0; +} + +static int ivtv_g_volatile_ctrl(struct v4l2_ctrl *ctrl) +{ + struct ivtv *itv = container_of(ctrl->handler, struct ivtv, cxhdl.hdl); + + switch (ctrl->id) { + /* V4L2_CID_MPEG_VIDEO_DEC_PTS and V4L2_CID_MPEG_VIDEO_DEC_FRAME + control cluster */ + case V4L2_CID_MPEG_VIDEO_DEC_PTS: + return ivtv_g_pts_frame(itv, &itv->ctrl_pts->val64, + &itv->ctrl_frame->val64); + } + return 0; +} + +static int ivtv_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct ivtv *itv = container_of(ctrl->handler, struct ivtv, cxhdl.hdl); + + switch (ctrl->id) { + /* V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK and MULTILINGUAL_PLAYBACK + control cluster */ + case V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK: + itv->audio_stereo_mode = itv->ctrl_audio_playback->val - 1; + itv->audio_bilingual_mode = itv->ctrl_audio_multilingual_playback->val - 1; + ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode); + break; + } + return 0; +} + +const struct v4l2_ctrl_ops ivtv_hdl_out_ops = { + .s_ctrl = ivtv_s_ctrl, + .g_volatile_ctrl = ivtv_g_volatile_ctrl, +}; |