From dc05e571725a5a609a29bd84bd020263728ed5e4 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 8 Jun 2011 15:39:05 -0300 Subject: [PATCH] [media] DocBook/video.xml: Fix section references with video.h.xml Make the reference links at video.h.xml to match the ones at video.xml. Signed-off-by: Mauro Carvalho Chehab --- Documentation/DocBook/media/Makefile | 2 +- Documentation/DocBook/media/dvb/video.xml | 175 ++++++++++++++++-------------- 2 files changed, 93 insertions(+), 84 deletions(-) diff --git a/Documentation/DocBook/media/Makefile b/Documentation/DocBook/media/Makefile index a914eb0..1e909c2 100644 --- a/Documentation/DocBook/media/Makefile +++ b/Documentation/DocBook/media/Makefile @@ -146,7 +146,7 @@ DVB_DOCUMENTED = \ -e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+[0-9]\+\),\1\\2\<\/link\>\3,g" \ -e "s,\(DTV_IOCTL_MAX_MSGS\|dtv_cmds_h\|__.*_old\)<\/link>,\1,g" \ -e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \ - -e "s,\(audio-mixer\|audio-karaoke\|audio-status\|ca-slot-info\|ca-descr-info\|ca-caps\|ca-msg\|ca-descr\|ca-pid\|dmx-filter\|dmx-caps\)-t,\1,g" \ + -e "s,\(audio-mixer\|audio-karaoke\|audio-status\|ca-slot-info\|ca-descr-info\|ca-caps\|ca-msg\|ca-descr\|ca-pid\|dmx-filter\|dmx-caps\|video-system\|video-highlight\|video-spu\|video-spu-palette\|video-navi-pack\)-t,\1,g" \ -e "s,DTV-ISDBT-LAYER[A-C],DTV-ISDBT-LAYER,g" \ -e "s,\(define\s\+\)\([A-Z0-9_]\+\)\(\s\+_IO\),\1\\2\<\/link\>\3,g" \ -e "s,\(__.*_OLD\)<\/link>,\1,g" \ diff --git a/Documentation/DocBook/media/dvb/video.xml b/Documentation/DocBook/media/dvb/video.xml index 7bb287e..ef30f69 100644 --- a/Documentation/DocBook/media/dvb/video.xml +++ b/Documentation/DocBook/media/dvb/video.xml @@ -18,15 +18,16 @@ supported on some MPEG decoders made for DVD playback.
Video Data Types -
+
video_format_t The video_format_t data type defined by - typedef enum { - VIDEO_FORMAT_4_3, - VIDEO_FORMAT_16_9 - } video_format_t; +typedef enum { + VIDEO_FORMAT_4_3, /⋆ Select 4:3 format ⋆/ + VIDEO_FORMAT_16_9, /⋆ Select 16:9 format. ⋆/ + VIDEO_FORMAT_221_1 /⋆ 2.21:1 ⋆/ +} video_format_t; is used in the VIDEO_SET_FORMAT function (??) to tell the driver which aspect ratio the output hardware (e.g. TV) has. It is also used in the data structures video_status @@ -36,34 +37,36 @@ stream.
-
+
video_display_format_t In case the display format of the video stream and of the display hardware differ the application has to specify how to handle the cropping of the picture. This can be done using the VIDEO_SET_DISPLAY_FORMAT call (??) which accepts - typedef enum { - VIDEO_PAN_SCAN, - VIDEO_LETTER_BOX, - VIDEO_CENTER_CUT_OUT - } video_display_format_t; +typedef enum { + VIDEO_PAN_SCAN, /⋆ use pan and scan format ⋆/ + VIDEO_LETTER_BOX, /⋆ use letterbox format ⋆/ + VIDEO_CENTER_CUT_OUT /⋆ use center cut out format ⋆/ +} video_displayformat_t; as argument.
-
+
video stream source The video stream source is set through the VIDEO_SELECT_SOURCE call and can take the following values, depending on whether we are replaying from an internal (demuxer) or external (user write) source. - typedef enum { - VIDEO_SOURCE_DEMUX, - VIDEO_SOURCE_MEMORY - } video_stream_source_t; +typedef enum { + VIDEO_SOURCE_DEMUX, /⋆ Select the demux as the main source ⋆/ + VIDEO_SOURCE_MEMORY /⋆ If this source is selected, the stream + comes from the user through the write + system call ⋆/ +} video_stream_source_t; VIDEO_SOURCE_DEMUX selects the demultiplexer (fed either by the frontend or the DVR device) as the source of the video stream. If VIDEO_SOURCE_MEMORY @@ -72,49 +75,55 @@ call.
-
+
video play state The following values can be returned by the VIDEO_GET_STATUS call representing the state of video playback. - typedef enum { - VIDEO_STOPPED, - VIDEO_PLAYING, - VIDEO_FREEZED - } video_play_state_t; +typedef enum { + VIDEO_STOPPED, /⋆ Video is stopped ⋆/ + VIDEO_PLAYING, /⋆ Video is currently playing ⋆/ + VIDEO_FREEZED /⋆ Video is freezed ⋆/ +} video_play_state_t;
-
+
struct video_event The following is the structure of a video event as it is returned by the VIDEO_GET_EVENT call. - struct video_event { - int32_t type; - time_t timestamp; - union { - video_format_t video_format; - } u; - }; +struct video_event { + __s32 type; +#define VIDEO_EVENT_SIZE_CHANGED 1 +#define VIDEO_EVENT_FRAME_RATE_CHANGED 2 +#define VIDEO_EVENT_DECODER_STOPPED 3 +#define VIDEO_EVENT_VSYNC 4 + __kernel_time_t timestamp; + union { + video_size_t size; + unsigned int frame_rate; /⋆ in frames per 1000sec ⋆/ + unsigned char vsync_field; /⋆ unknown/odd/even/progressive ⋆/ + } u; +};
-
+
struct video_status The VIDEO_GET_STATUS call returns the following structure informing about various states of the playback operation. - struct video_status { - boolean video_blank; - video_play_state_t play_state; - video_stream_source_t stream_source; - video_format_t video_format; - video_displayformat_t display_format; - }; +struct video_status { + int video_blank; /⋆ blank video on freeze? ⋆/ + video_play_state_t play_state; /⋆ current state of playback ⋆/ + video_stream_source_t stream_source; /⋆ current source (demux/memory) ⋆/ + video_format_t video_format; /⋆ current aspect ratio of stream ⋆/ + video_displayformat_t display_format;/⋆ selected cropping mode ⋆/ +}; If video_blank is set video will be blanked out if the channel is changed or if playback is stopped. Otherwise, the last picture will be displayed. play_state indicates if the video is @@ -127,17 +136,17 @@ device.
-
+
struct video_still_picture An I-frame displayed via the VIDEO_STILLPICTURE call is passed on within the following structure. - /⋆ pointer to and size of a single iframe in memory ⋆/ - struct video_still_picture { - char ⋆iFrame; - int32_t size; - }; +/⋆ pointer to and size of a single iframe in memory ⋆/ +struct video_still_picture { + char ⋆iFrame; /⋆ pointer to a single iframe in memory ⋆/ + int32_t size; +};
@@ -164,26 +173,26 @@ bits set according to the hardwares capabilities.
-
+
video system A call to VIDEO_SET_SYSTEM sets the desired video system for TV output. The following system types can be set: - typedef enum { - VIDEO_SYSTEM_PAL, - VIDEO_SYSTEM_NTSC, - VIDEO_SYSTEM_PALN, - VIDEO_SYSTEM_PALNc, - VIDEO_SYSTEM_PALM, - VIDEO_SYSTEM_NTSC60, - VIDEO_SYSTEM_PAL60, - VIDEO_SYSTEM_PALM60 - } video_system_t; +typedef enum { + VIDEO_SYSTEM_PAL, + VIDEO_SYSTEM_NTSC, + VIDEO_SYSTEM_PALN, + VIDEO_SYSTEM_PALNc, + VIDEO_SYSTEM_PALM, + VIDEO_SYSTEM_NTSC60, + VIDEO_SYSTEM_PAL60, + VIDEO_SYSTEM_PALM60 +} video_system_t;
-
+
struct video_highlight Calling the ioctl VIDEO_SET_HIGHLIGHTS posts the SPU highlight information. The call expects the following format for that information: @@ -210,7 +219,7 @@ call expects the following format for that information:
-
+
video SPU Calling VIDEO_SET_SPU deactivates or activates SPU decoding, according to the following format: @@ -224,7 +233,7 @@ following format:
-
+
video SPU palette The following structure is used to set the SPU palette by calling VIDEO_SPU_PALETTE: @@ -237,7 +246,7 @@ following format:
-
+
video NAVI pack In order to get the navigational data the following structure has to be passed to the ioctl VIDEO_GET_NAVI: @@ -252,7 +261,7 @@ VIDEO_GET_NAVI:
-
+
video attributes The following attributes can be set by a call to VIDEO_SET_ATTRIBUTES: @@ -488,7 +497,7 @@ VIDEO_GET_NAVI: -
VIDEO_STOP DESCRIPTION @@ -562,7 +571,7 @@ role="subsection">VIDEO_STOP -
VIDEO_PLAY DESCRIPTION @@ -615,7 +624,7 @@ role="subsection">VIDEO_PLAY -
VIDEO_FREEZE DESCRIPTION @@ -672,7 +681,7 @@ role="subsection">VIDEO_FREEZE -
VIDEO_CONTINUE DESCRIPTION @@ -725,7 +734,7 @@ role="subsection">VIDEO_CONTINUE -
VIDEO_SELECT_SOURCE DESCRIPTION @@ -788,7 +797,7 @@ role="subsection">VIDEO_SELECT_SOURCE -
VIDEO_SET_BLANK DESCRIPTION @@ -861,7 +870,7 @@ role="subsection">VIDEO_SET_BLANK -
VIDEO_GET_STATUS DESCRIPTION @@ -929,7 +938,7 @@ role="subsection">VIDEO_GET_STATUS -
VIDEO_GET_EVENT DESCRIPTION @@ -1018,7 +1027,7 @@ role="subsection">VIDEO_GET_EVENT -
VIDEO_SET_DISPLAY_FORMAT DESCRIPTION @@ -1088,7 +1097,7 @@ role="subsection">VIDEO_SET_DISPLAY_FORMAT -
VIDEO_STILLPICTURE DESCRIPTION @@ -1158,7 +1167,7 @@ role="subsection">VIDEO_STILLPICTURE -
VIDEO_FAST_FORWARD DESCRIPTION @@ -1232,7 +1241,7 @@ role="subsection">VIDEO_FAST_FORWARD -
VIDEO_SLOWMOTION DESCRIPTION @@ -1306,7 +1315,7 @@ role="subsection">VIDEO_SLOWMOTION -
VIDEO_GET_CAPABILITIES DESCRIPTION @@ -1368,7 +1377,7 @@ role="subsection">VIDEO_GET_CAPABILITIES -
VIDEO_SET_ID DESCRIPTION @@ -1435,7 +1444,7 @@ role="subsection">VIDEO_SET_ID -
VIDEO_CLEAR_BUFFER DESCRIPTION @@ -1479,7 +1488,7 @@ role="subsection">VIDEO_CLEAR_BUFFER -
VIDEO_SET_STREAMTYPE DESCRIPTION @@ -1540,7 +1549,7 @@ role="subsection">VIDEO_SET_STREAMTYPE -
VIDEO_SET_FORMAT DESCRIPTION @@ -1601,7 +1610,7 @@ role="subsection">VIDEO_SET_FORMAT -
VIDEO_SET_SYSTEM DESCRIPTION @@ -1663,7 +1672,7 @@ role="subsection">VIDEO_SET_SYSTEM -
VIDEO_SET_HIGHLIGHT DESCRIPTION @@ -1723,7 +1732,7 @@ role="subsection">VIDEO_SET_HIGHLIGHT -
VIDEO_SET_SPU DESCRIPTION @@ -1785,7 +1794,7 @@ role="subsection">VIDEO_SET_SPU -
VIDEO_SET_SPU_PALETTE DESCRIPTION @@ -1845,7 +1854,7 @@ role="subsection">VIDEO_SET_SPU_PALETTE -
VIDEO_GET_NAVI DESCRIPTION @@ -1907,7 +1916,7 @@ role="subsection">VIDEO_GET_NAVI -
VIDEO_SET_ATTRIBUTES DESCRIPTION -- 2.7.4