diff options
Diffstat (limited to 'drivers/media/video/v4l2-ctrls.c')
| -rw-r--r-- | drivers/media/video/v4l2-ctrls.c | 91 |
1 files changed, 86 insertions, 5 deletions
diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c index cccd42be718a..18015c0a8d31 100644 --- a/drivers/media/video/v4l2-ctrls.c +++ b/drivers/media/video/v4l2-ctrls.c @@ -175,6 +175,15 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "16-bit CRC", NULL }; + static const char * const mpeg_audio_dec_playback[] = { + "Auto", + "Stereo", + "Left", + "Right", + "Mono", + "Swapped Stereo", + NULL + }; static const char * const mpeg_video_encoding[] = { "MPEG-1", "MPEG-2", @@ -236,8 +245,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id) }; static const char * const tune_preemphasis[] = { "No Preemphasis", - "50 useconds", - "75 useconds", + "50 Microseconds", + "75 Microseconds", NULL, }; static const char * const header_mode[] = { @@ -334,7 +343,7 @@ const char * const *v4l2_ctrl_get_menu(u32 id) }; static const char * const mpeg4_profile[] = { "Simple", - "Adcanved Simple", + "Advanced Simple", "Core", "Simple Scalable", "Advanced Coding Efficency", @@ -353,6 +362,16 @@ const char * const *v4l2_ctrl_get_menu(u32 id) NULL, }; + static const char * const jpeg_chroma_subsampling[] = { + "4:4:4", + "4:2:2", + "4:2:0", + "4:1:1", + "4:1:0", + "Gray", + NULL, + }; + switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return mpeg_audio_sampling_freq; @@ -374,6 +393,9 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return mpeg_audio_emphasis; case V4L2_CID_MPEG_AUDIO_CRC: return mpeg_audio_crc; + case V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK: + case V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK: + return mpeg_audio_dec_playback; case V4L2_CID_MPEG_VIDEO_ENCODING: return mpeg_video_encoding; case V4L2_CID_MPEG_VIDEO_ASPECT: @@ -414,6 +436,9 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return mpeg_mpeg4_level; case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: return mpeg4_profile; + case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: + return jpeg_chroma_subsampling; + default: return NULL; } @@ -492,6 +517,8 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_AUDIO_MUTE: return "Audio Mute"; case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: return "Audio AAC Bitrate"; case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return "Audio AC-3 Bitrate"; + case V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK: return "Audio Playback"; + case V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK: return "Audio Multilingual Playback"; case V4L2_CID_MPEG_VIDEO_ENCODING: return "Video Encoding"; case V4L2_CID_MPEG_VIDEO_ASPECT: return "Video Aspect"; case V4L2_CID_MPEG_VIDEO_B_FRAMES: return "Video B Frames"; @@ -546,6 +573,8 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB: return "Number of MBs in a Slice"; case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE: return "Slice Partitioning Method"; case V4L2_CID_MPEG_VIDEO_VBV_SIZE: return "VBV Buffer Size"; + case V4L2_CID_MPEG_VIDEO_DEC_PTS: return "Video Decoder PTS"; + case V4L2_CID_MPEG_VIDEO_DEC_FRAME: return "Video Decoder Frame Count"; /* CAMERA controls */ /* Keep the order of the 'case's the same as in videodev2.h! */ @@ -607,6 +636,14 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_FLASH_CHARGE: return "Charge"; case V4L2_CID_FLASH_READY: return "Ready to Strobe"; + /* JPEG encoder controls */ + /* Keep the order of the 'case's the same as in videodev2.h! */ + case V4L2_CID_JPEG_CLASS: return "JPEG Compression Controls"; + case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: return "Chroma Subsampling"; + case V4L2_CID_JPEG_RESTART_INTERVAL: return "Restart Interval"; + case V4L2_CID_JPEG_COMPRESSION_QUALITY: return "Compression Quality"; + case V4L2_CID_JPEG_ACTIVE_MARKER: return "Active Markers"; + default: return NULL; } @@ -674,6 +711,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: case V4L2_CID_MPEG_AUDIO_EMPHASIS: case V4L2_CID_MPEG_AUDIO_CRC: + case V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK: + case V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK: case V4L2_CID_MPEG_VIDEO_ENCODING: case V4L2_CID_MPEG_VIDEO_ASPECT: case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: @@ -693,6 +732,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC: case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: + case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: *type = V4L2_CTRL_TYPE_MENU; break; case V4L2_CID_RDS_TX_PS_NAME: @@ -704,6 +744,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_CLASS: case V4L2_CID_FM_TX_CLASS: case V4L2_CID_FLASH_CLASS: + case V4L2_CID_JPEG_CLASS: *type = V4L2_CTRL_TYPE_CTRL_CLASS; /* You can neither read not write these */ *flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY; @@ -717,6 +758,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, *max = 0xFFFFFF; break; case V4L2_CID_FLASH_FAULT: + case V4L2_CID_JPEG_ACTIVE_MARKER: *type = V4L2_CTRL_TYPE_BITMASK; break; case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: @@ -724,6 +766,11 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, *type = V4L2_CTRL_TYPE_INTEGER; *flags |= V4L2_CTRL_FLAG_READ_ONLY; break; + case V4L2_CID_MPEG_VIDEO_DEC_FRAME: + case V4L2_CID_MPEG_VIDEO_DEC_PTS: + *type = V4L2_CTRL_TYPE_INTEGER64; + *flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_VOLATILE; + break; default: *type = V4L2_CTRL_TYPE_INTEGER; break; @@ -1470,7 +1517,7 @@ EXPORT_SYMBOL(v4l2_ctrl_add_ctrl); int v4l2_ctrl_add_handler(struct v4l2_ctrl_handler *hdl, struct v4l2_ctrl_handler *add) { - struct v4l2_ctrl *ctrl; + struct v4l2_ctrl_ref *ref; int ret = 0; /* Do nothing if either handler is NULL or if they are the same */ @@ -1479,7 +1526,9 @@ int v4l2_ctrl_add_handler(struct v4l2_ctrl_handler *hdl, if (hdl->error) return hdl->error; mutex_lock(&add->lock); - list_for_each_entry(ctrl, &add->ctrls, node) { + list_for_each_entry(ref, &add->ctrl_refs, node) { + struct v4l2_ctrl *ctrl = ref->ctrl; + /* Skip handler-private controls. */ if (ctrl->is_private) continue; @@ -2359,3 +2408,35 @@ void v4l2_ctrl_del_event(struct v4l2_ctrl *ctrl, v4l2_ctrl_unlock(ctrl); } EXPORT_SYMBOL(v4l2_ctrl_del_event); + +int v4l2_ctrl_log_status(struct file *file, void *fh) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_fh *vfh = file->private_data; + + if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) && vfd->v4l2_dev) + v4l2_ctrl_handler_log_status(vfh->ctrl_handler, + vfd->v4l2_dev->name); + return 0; +} +EXPORT_SYMBOL(v4l2_ctrl_log_status); + +int v4l2_ctrl_subscribe_event(struct v4l2_fh *fh, + struct v4l2_event_subscription *sub) +{ + if (sub->type == V4L2_EVENT_CTRL) + return v4l2_event_subscribe(fh, sub, 0); + return -EINVAL; +} +EXPORT_SYMBOL(v4l2_ctrl_subscribe_event); + +unsigned int v4l2_ctrl_poll(struct file *file, struct poll_table_struct *wait) +{ + struct v4l2_fh *fh = file->private_data; + + if (v4l2_event_pending(fh)) + return POLLPRI; + poll_wait(file, &fh->wait, wait); + return 0; +} +EXPORT_SYMBOL(v4l2_ctrl_poll); |