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| -rw-r--r-- | Documentation/media/v4l-drivers/cx2341x.rst | 1241 | ||||
| -rw-r--r-- | Documentation/video4linux/cx2341x/fw-encoder-api.txt | 709 |
2 files changed, 1241 insertions, 709 deletions
diff --git a/Documentation/media/v4l-drivers/cx2341x.rst b/Documentation/media/v4l-drivers/cx2341x.rst index f1c2d8d..2677ac6 100644 --- a/Documentation/media/v4l-drivers/cx2341x.rst +++ b/Documentation/media/v4l-drivers/cx2341x.rst @@ -1,6 +1,1247 @@ The cx2341x driver ================== +Encoder firmware API description +-------------------------------- + +CX2341X_ENC_PING_FW +~~~~~~~~~~~~~~~~~~~ + +Enum: 128/0x80 + +Description +^^^^^^^^^^^ + +Does nothing. Can be used to check if the firmware is responding. + + + +CX2341X_ENC_START_CAPTURE +~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 129/0x81 + +Description +^^^^^^^^^^^ + +Commences the capture of video, audio and/or VBI data. All encoding +parameters must be initialized prior to this API call. Captures frames +continuously or until a predefined number of frames have been captured. + +Param[0] +^^^^^^^^ + +Capture stream type: + + - 0=MPEG + - 1=Raw + - 2=Raw passthrough + - 3=VBI + + +Param[1] +^^^^^^^^ + +Bitmask: + + - Bit 0 when set, captures YUV + - Bit 1 when set, captures PCM audio + - Bit 2 when set, captures VBI (same as param[0]=3) + - Bit 3 when set, the capture destination is the decoder + (same as param[0]=2) + - Bit 4 when set, the capture destination is the host + +.. note:: this parameter is only meaningful for RAW capture type. + + + +CX2341X_ENC_STOP_CAPTURE +~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 130/0x82 + +Description +^^^^^^^^^^^ + +Ends a capture in progress + +Param[0] +^^^^^^^^ + +- 0=stop at end of GOP (generates IRQ) +- 1=stop immediate (no IRQ) + +Param[1] +^^^^^^^^ + +Stream type to stop, see param[0] of API 0x81 + +Param[2] +^^^^^^^^ + +Subtype, see param[1] of API 0x81 + + + +CX2341X_ENC_SET_AUDIO_ID +~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 137/0x89 + +Description +^^^^^^^^^^^ + +Assigns the transport stream ID of the encoded audio stream + +Param[0] +^^^^^^^^ + +Audio Stream ID + + + +CX2341X_ENC_SET_VIDEO_ID +~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 139/0x8B + +Description +^^^^^^^^^^^ + +Set video transport stream ID + +Param[0] +^^^^^^^^ + +Video stream ID + + + +CX2341X_ENC_SET_PCR_ID +~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 141/0x8D + +Description +^^^^^^^^^^^ + +Assigns the transport stream ID for PCR packets + +Param[0] +^^^^^^^^ + +PCR Stream ID + + + +CX2341X_ENC_SET_FRAME_RATE +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 143/0x8F + +Description +^^^^^^^^^^^ + +Set video frames per second. Change occurs at start of new GOP. + +Param[0] +^^^^^^^^ + +- 0=30fps +- 1=25fps + + + +CX2341X_ENC_SET_FRAME_SIZE +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 145/0x91 + +Description +^^^^^^^^^^^ + +Select video stream encoding resolution. + +Param[0] +^^^^^^^^ + +Height in lines. Default 480 + +Param[1] +^^^^^^^^ + +Width in pixels. Default 720 + + + +CX2341X_ENC_SET_BIT_RATE +~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 149/0x95 + +Description +^^^^^^^^^^^ + +Assign average video stream bitrate. + +Param[0] +^^^^^^^^ + +0=variable bitrate, 1=constant bitrate + +Param[1] +^^^^^^^^ + +bitrate in bits per second + +Param[2] +^^^^^^^^ + +peak bitrate in bits per second, divided by 400 + +Param[3] +^^^^^^^^ + +Mux bitrate in bits per second, divided by 400. May be 0 (default). + +Param[4] +^^^^^^^^ + +Rate Control VBR Padding + +Param[5] +^^^^^^^^ + +VBV Buffer used by encoder + +.. note:: + + #) Param\[3\] and Param\[4\] seem to be always 0 + #) Param\[5\] doesn't seem to be used. + + + +CX2341X_ENC_SET_GOP_PROPERTIES +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 151/0x97 + +Description +^^^^^^^^^^^ + +Setup the GOP structure + +Param[0] +^^^^^^^^ + +GOP size (maximum is 34) + +Param[1] +^^^^^^^^ + +Number of B frames between the I and P frame, plus 1. +For example: IBBPBBPBBPBB --> GOP size: 12, number of B frames: 2+1 = 3 + +.. note:: + + GOP size must be a multiple of (B-frames + 1). + + + +CX2341X_ENC_SET_ASPECT_RATIO +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 153/0x99 + +Description +^^^^^^^^^^^ + +Sets the encoding aspect ratio. Changes in the aspect ratio take effect +at the start of the next GOP. + +Param[0] +^^^^^^^^ + +- '0000' forbidden +- '0001' 1:1 square +- '0010' 4:3 +- '0011' 16:9 +- '0100' 2.21:1 +- '0101' to '1111' reserved + + + +CX2341X_ENC_SET_DNR_FILTER_MODE +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 155/0x9B + +Description +^^^^^^^^^^^ + +Assign Dynamic Noise Reduction operating mode + +Param[0] +^^^^^^^^ + +Bit0: Spatial filter, set=auto, clear=manual +Bit1: Temporal filter, set=auto, clear=manual + +Param[1] +^^^^^^^^ + +Median filter: + +- 0=Disabled +- 1=Horizontal +- 2=Vertical +- 3=Horiz/Vert +- 4=Diagonal + + + +CX2341X_ENC_SET_DNR_FILTER_PROPS +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 157/0x9D + +Description +^^^^^^^^^^^ + +These Dynamic Noise Reduction filter values are only meaningful when +the respective filter is set to "manual" (See API 0x9B) + +Param[0] +^^^^^^^^ + +Spatial filter: default 0, range 0:15 + +Param[1] +^^^^^^^^ + +Temporal filter: default 0, range 0:31 + + + +CX2341X_ENC_SET_CORING_LEVELS +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 159/0x9F + +Description +^^^^^^^^^^^ + +Assign Dynamic Noise Reduction median filter properties. + +Param[0] +^^^^^^^^ + +Threshold above which the luminance median filter is enabled. +Default: 0, range 0:255 + +Param[1] +^^^^^^^^ + +Threshold below which the luminance median filter is enabled. +Default: 255, range 0:255 + +Param[2] +^^^^^^^^ + +Threshold above which the chrominance median filter is enabled. +Default: 0, range 0:255 + +Param[3] +^^^^^^^^ + +Threshold below which the chrominance median filter is enabled. +Default: 255, range 0:255 + + + +CX2341X_ENC_SET_SPATIAL_FILTER_TYPE +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 161/0xA1 + +Description +^^^^^^^^^^^ + +Assign spatial prefilter parameters + +Param[0] +^^^^^^^^ + +Luminance filter + +- 0=Off +- 1=1D Horizontal +- 2=1D Vertical +- 3=2D H/V Separable (default) +- 4=2D Symmetric non-separable + +Param[1] +^^^^^^^^ + +Chrominance filter + +- 0=Off +- 1=1D Horizontal (default) + + + +CX2341X_ENC_SET_VBI_LINE +~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 183/0xB7 + +Description +^^^^^^^^^^^ + +Selects VBI line number. + +Param[0] +^^^^^^^^ + +- Bits 0:4 line number +- Bit 31 0=top_field, 1=bottom_field +- Bits 0:31 all set specifies "all lines" + +Param[1] +^^^^^^^^ + +VBI line information features: 0=disabled, 1=enabled + +Param[2] +^^^^^^^^ + +Slicing: 0=None, 1=Closed Caption +Almost certainly not implemented. Set to 0. + +Param[3] +^^^^^^^^ + +Luminance samples in this line. +Almost certainly not implemented. Set to 0. + +Param[4] +^^^^^^^^ + +Chrominance samples in this line +Almost certainly not implemented. Set to 0. + + + +CX2341X_ENC_SET_STREAM_TYPE +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 185/0xB9 + +Description +^^^^^^^^^^^ + +Assign stream type + +.. note:: + + Transport stream is not working in recent firmwares. + And in older firmwares the timestamps in the TS seem to be + unreliable. + +Param[0] +^^^^^^^^ + +- 0=Program stream +- 1=Transport stream +- 2=MPEG1 stream +- 3=PES A/V stream +- 5=PES Video stream +- 7=PES Audio stream +- 10=DVD stream +- 11=VCD stream +- 12=SVCD stream +- 13=DVD_S1 stream +- 14=DVD_S2 stream + + + +CX2341X_ENC_SET_OUTPUT_PORT +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 187/0xBB + +Description +^^^^^^^^^^^ + +Assign stream output port. Normally 0 when the data is copied through +the PCI bus (DMA), and 1 when the data is streamed to another chip +(pvrusb and cx88-blackbird). + +Param[0] +^^^^^^^^ + +- 0=Memory (default) +- 1=Streaming +- 2=Serial + +Param[1] +^^^^^^^^ + +Unknown, but leaving this to 0 seems to work best. Indications are that +this might have to do with USB support, although passing anything but 0 +only breaks things. + + + +CX2341X_ENC_SET_AUDIO_PROPERTIES +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 189/0xBD + +Description +^^^^^^^^^^^ + +Set audio stream properties, may be called while encoding is in progress. + +.. note:: + + All bitfields are consistent with ISO11172 documentation except + bits 2:3 which ISO docs define as: + + - '11' Layer I + - '10' Layer II + - '01' Layer III + - '00' Undefined + + This discrepancy may indicate a possible error in the documentation. + Testing indicated that only Layer II is actually working, and that + the minimum bitrate should be 192 kbps. + +Param[0] +^^^^^^^^ + +Bitmask: + +.. code-block:: none + + 0:1 '00' 44.1Khz + '01' 48Khz + '10' 32Khz + '11' reserved + + 2:3 '01'=Layer I + '10'=Layer II + + 4:7 Bitrate: + Index | Layer I | Layer II + ------+-------------+------------ + '0000' | free format | free format + '0001' | 32 kbit/s | 32 kbit/s + '0010' | 64 kbit/s | 48 kbit/s + '0011' | 96 kbit/s | 56 kbit/s + '0100' | 128 kbit/s | 64 kbit/s + '0101' | 160 kbit/s | 80 kbit/s + '0110' | 192 kbit/s | 96 kbit/s + '0111' | 224 kbit/s | 112 kbit/s + '1000' | 256 kbit/s | 128 kbit/s + '1001' | 288 kbit/s | 160 kbit/s + '1010' | 320 kbit/s | 192 kbit/s + '1011' | 352 kbit/s | 224 kbit/s + '1100' | 384 kbit/s | 256 kbit/s + '1101' | 416 kbit/s | 320 kbit/s + '1110' | 448 kbit/s | 384 kbit/s + + .. note:: + + For Layer II, not all combinations of total bitrate + and mode are allowed. See ISO11172-3 3-Annex B, + Table 3-B.2 + + 8:9 '00'=Stereo + '01'=JointStereo + '10'=Dual + '11'=Mono + + .. note:: + + The cx23415 cannot decode Joint Stereo properly. + + 10:11 Mode Extension used in joint_stereo mode. + In Layer I and II they indicate which subbands are in + intensity_stereo. All other subbands are coded in stereo. + '00' subbands 4-31 in intensity_stereo, bound==4 + '01' subbands 8-31 in intensity_stereo, bound==8 + '10' subbands 12-31 in intensity_stereo, bound==12 + '11' subbands 16-31 in intensity_stereo, bound==16 + + 12:13 Emphasis: + '00' None + '01' 50/15uS + '10' reserved + '11' CCITT J.17 + + 14 CRC: + '0' off + '1' on + + 15 Copyright: + '0' off + '1' on + + 16 Generation: + '0' copy + '1' original + + + +CX2341X_ENC_HALT_FW +~~~~~~~~~~~~~~~~~~~ + +Enum: 195/0xC3 + +Description +^^^^^^^^^^^ + +The firmware is halted and no further API calls are serviced until the +firmware is uploaded again. + + + +CX2341X_ENC_GET_VERSION +~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 196/0xC4 + +Description +^^^^^^^^^^^ + +Returns the version of the encoder firmware. + +Result[0] +^^^^^^^^^ + +Version bitmask: +- Bits 0:15 build +- Bits 16:23 minor +- Bits 24:31 major + + + +CX2341X_ENC_SET_GOP_CLOSURE +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 197/0xC5 + +Description +^^^^^^^^^^^ + +Assigns the GOP open/close property. + +Param[0] +^^^^^^^^ + +- 0=Open +- 1=Closed + + + +CX2341X_ENC_GET_SEQ_END +~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 198/0xC6 + +Description +^^^^^^^^^^^ + +Obtains the sequence end code of the encoder's buffer. When a capture +is started a number of interrupts are still generated, the last of +which will have Result[0] set to 1 and Result[1] will contain the size +of the buffer. + +Result[0] +^^^^^^^^^ + +State of the transfer (1 if last buffer) + +Result[1] +^^^^^^^^^ + +If Result[0] is 1, this contains the size of the last buffer, undefined +otherwise. + + + +CX2341X_ENC_SET_PGM_INDEX_INFO +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 199/0xC7 + +Description +^^^^^^^^^^^ + +Sets the Program Index Information. +The information is stored as follows: + +.. code-block:: c + + struct info { + u32 length; // Length of this frame + u32 offset_low; // Offset in the file of the + u32 offset_high; // start of this frame + u32 mask1; // Bits 0-2 are the type mask: + // 1=I, 2=P, 4=B + // 0=End of Program Index, other fields + // are invalid. + u32 pts; // The PTS of the frame + u32 mask2; // Bit 0 is bit 32 of the pts. + }; + u32 table_ptr; + struct info index[400]; + +The table_ptr is the encoder memory address in the table were +*new* entries will be written. + +.. note:: This is a ringbuffer, so the table_ptr will wraparound. + +Param[0] +^^^^^^^^ + +Picture Mask: +- 0=No index capture +- 1=I frames +- 3=I,P frames +- 7=I,P,B frames + +(Seems to be ignored, it always indexes I, P and B frames) + +Param[1] +^^^^^^^^ + +Elements requested (up to 400) + +Result[0] +^^^^^^^^^ + +Offset in the encoder memory of the start of the table. + +Result[1] +^^^^^^^^^ + +Number of allocated elements up to a maximum of Param[1] + + + +CX2341X_ENC_SET_VBI_CONFIG +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 200/0xC8 + +Description +^^^^^^^^^^^ + +Configure VBI settings + +Param[0] +^^^^^^^^ + +Bitmap: + +.. code-block:: none + + 0 Mode '0' Sliced, '1' Raw + 1:3 Insertion: + '000' insert in extension & user data + '001' insert in private packets + '010' separate stream and user data + '111' separate stream and private data + 8:15 Stream ID (normally 0xBD) + +Param[1] +^^^^^^^^ + +Frames per interrupt (max 8). Only valid in raw mode. + +Param[2] +^^^^^^^^ + +Total raw VBI frames. Only valid in raw mode. + +Param[3] +^^^^^^^^ + +Start codes + +Param[4] +^^^^^^^^ + +Stop codes + +Param[5] +^^^^^^^^ + +Lines per frame + +Param[6] +^^^^^^^^ + +Byte per line + +Result[0] +^^^^^^^^^ + +Observed frames per interrupt in raw mode only. Rage 1 to Param[1] + +Result[1] +^^^^^^^^^ + +Observed number of frames in raw mode. Range 1 to Param[2] + +Result[2] +^^^^^^^^^ + +Memory offset to start or raw VBI data + + + +CX2341X_ENC_SET_DMA_BLOCK_SIZE +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 201/0xC9 + +Description +^^^^^^^^^^^ + +Set DMA transfer block size + +Param[0] +^^^^^^^^ + +DMA transfer block size in bytes or frames. When unit is bytes, +supported block sizes are 2^7, 2^8 and 2^9 bytes. + +Param[1] +^^^^^^^^ + +Unit: 0=bytes, 1=frames + + + +CX2341X_ENC_GET_PREV_DMA_INFO_MB_10 +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 202/0xCA + +Description +^^^^^^^^^^^ + +Returns information on the previous DMA transfer in conjunction with +bit 27 of the interrupt mask. Uses mailbox 10. + +Result[0] +^^^^^^^^^ + +Type of stream + +Result[1] +^^^^^^^^^ + +Address Offset + +Result[2] +^^^^^^^^^ + +Maximum size of transfer + + + +CX2341X_ENC_GET_PREV_DMA_INFO_MB_9 +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 203/0xCB + +Description +^^^^^^^^^^^ + +Returns information on the previous DMA transfer in conjunction with +bit 27 or 18 of the interrupt mask. Uses mailbox 9. + +Result[0] +^^^^^^^^^ + +Status bits: +- 0 read completed +- 1 write completed +- 2 DMA read error +- 3 DMA write error +- 4 Scatter-Gather array error + +Result[1] +^^^^^^^^^ + +DMA type + +Result[2] +^^^^^^^^^ + +Presentation Time Stamp bits 0..31 + +Result[3] +^^^^^^^^^ + +Presentation Time Stamp bit 32 + + + +CX2341X_ENC_SCHED_DMA_TO_HOST +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 204/0xCC + +Description +^^^^^^^^^^^ + +Setup DMA to host operation + +Param[0] +^^^^^^^^ + +Memory address of link list + +Param[1] +^^^^^^^^ + +Length of link list (wtf: what units ???) + +Param[2] +^^^^^^^^ + +DMA type (0=MPEG) + + + +CX2341X_ENC_INITIALIZE_INPUT +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 205/0xCD + +Description +^^^^^^^^^^^ + +Initializes the video input + + + +CX2341X_ENC_SET_FRAME_DROP_RATE +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 208/0xD0 + +Description +^^^^^^^^^^^ + +For each frame captured, skip specified number of frames. + +Param[0] +^^^^^^^^ + +Number of frames to skip + + + +CX2341X_ENC_PAUSE_ENCODER +~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 210/0xD2 + +Description +^^^^^^^^^^^ + +During a pause condition, all frames are dropped instead of being encoded. + +Param[0] +^^^^^^^^ + +- 0=Pause encoding +- 1=Continue encoding + + + +CX2341X_ENC_REFRESH_INPUT +~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 211/0xD3 + +Description +^^^^^^^^^^^ + +Refreshes the video input + + + +CX2341X_ENC_SET_COPYRIGHT +~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 212/0xD4 + +Description +^^^^^^^^^^^ + +Sets stream copyright property + +Param[0] +^^^^^^^^ + + +- 0=Stream is not copyrighted +- 1=Stream is copyrighted + + + +CX2341X_ENC_SET_EVENT_NOTIFICATION +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 213/0xD5 + +Description +^^^^^^^^^^^ + +Setup firmware to notify the host about a particular event. Host must +unmask the interrupt bit. + +Param[0] +^^^^^^^^ + +Event (0=refresh encoder input) + +Param[1] +^^^^^^^^ + +Notification 0=disabled 1=enabled + +Param[2] +^^^^^^^^ + +Interrupt bit + +Param[3] +^^^^^^^^ + +Mailbox slot, -1 if no mailbox required. + + + +CX2341X_ENC_SET_NUM_VSYNC_LINES +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 214/0xD6 + +Description +^^^^^^^^^^^ + +Depending on the analog video decoder used, this assigns the number +of lines for field 1 and 2. + +Param[0] +^^^^^^^^ + +Field 1 number of lines: +- 0x00EF for SAA7114 +- 0x00F0 for SAA7115 +- 0x0105 for Micronas + +Param[1] +^^^^^^^^ + +Field 2 number of lines: +- 0x00EF for SAA7114 +- 0x00F0 for SAA7115 +- 0x0106 for Micronas + + + +CX2341X_ENC_SET_PLACEHOLDER +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 215/0xD7 + +Description +^^^^^^^^^^^ + +Provides a mechanism of inserting custom user data in the MPEG stream. + +Param[0] +^^^^^^^^ + +- 0=extension & user data +- 1=private packet with stream ID 0xBD + +Param[1] +^^^^^^^^ + +Rate at which to insert data, in units of frames (for private packet) +or GOPs (for ext. & user data) + +Param[2] +^^^^^^^^ + +Number of data DWORDs (below) to insert + +Param[3] +^^^^^^^^ + +Custom data 0 + +Param[4] +^^^^^^^^ + +Custom data 1 + +Param[5] +^^^^^^^^ + +Custom data 2 + +Param[6] +^^^^^^^^ + +Custom data 3 + +Param[7] +^^^^^^^^ + +Custom data 4 + +Param[8] +^^^^^^^^ + +Custom data 5 + +Param[9] +^^^^^^^^ + +Custom data 6 + +Param[10] +^^^^^^^^^ + +Custom data 7 + +Param[11] +^^^^^^^^^ + +Custom data 8 + + + +CX2341X_ENC_MUTE_VIDEO +~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 217/0xD9 + +Description +^^^^^^^^^^^ + +Video muting + +Param[0] +^^^^^^^^ + +Bit usage: + +.. code-block:: none + + 0 '0'=video not muted + '1'=video muted, creates frames with the YUV color defined below + 1:7 Unused + 8:15 V chrominance information + 16:23 U chrominance information + 24:31 Y luminance information + + + +CX2341X_ENC_MUTE_AUDIO +~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 218/0xDA + +Description +^^^^^^^^^^^ + +Audio muting + +Param[0] +^^^^^^^^ + +- 0=audio not muted +- 1=audio muted (produces silent mpeg audio stream) + + + +CX2341X_ENC_SET_VERT_CROP_LINE +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Enum: 219/0xDB + +Description +^^^^^^^^^^^ + +Something to do with 'Vertical Crop Line' + +Param[0] +^^^^^^^^ + +If saa7114 and raw VBI capture and 60 Hz, then set to 10001. +Else 0. + + + +CX2341X_ENC_MISC +~~~~~~~~~~~~~~~~ + +Enum: 220/0xDC + +Description +^^^^^^^^^^^ + +Miscellaneous actions. Not known for 100% what it does. It's really a +sort of ioctl call. The first parameter is a command number, the second +the value. + +Param[0] +^^^^^^^^ + +Command number: + +.. code-block:: none + + 1=set initial SCR value when starting encoding (works). + 2=set quality mode (apparently some test setting). + 3=setup advanced VIM protection handling. + Always 1 for the cx23416 and 0 for cx23415. + 4=generate DVD compatible PTS timestamps + 5=USB flush mode + 6=something to do with the quantization matrix + 7=set navigation pack insertion for DVD: adds 0xbf (private stream 2) + packets to the MPEG. The size of these packets is 2048 bytes (including + the header of 6 bytes: 0x000001bf + length). The payload is zeroed and + it is up to the application to fill them in. These packets are apparently + inserted every four frames. + 8=enable scene change detection (seems to be a failure) + 9=set history parameters of the video input module + 10=set input field order of VIM + 11=set quantization matrix + 12=reset audio interface after channel change or input switch (has no argument). + Needed for the cx2584x, not needed for the mspx4xx, but it doesn't seem to + do any harm calling it regardless. + 13=set audio volume delay + 14=set audio delay + + +Param[1] +^^^^^^^^ + +Command value. + Decoder firmware API description -------------------------------- diff --git a/Documentation/video4linux/cx2341x/fw-encoder-api.txt b/Documentation/video4linux/cx2341x/fw-encoder-api.txt deleted file mode 100644 index 5a27af2..0000000 --- a/Documentation/video4linux/cx2341x/fw-encoder-api.txt +++ /dev/null @@ -1,709 +0,0 @@ -Encoder firmware API description -================================ - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_PING_FW -Enum 128/0x80 -Description - Does nothing. Can be used to check if the firmware is responding. - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_START_CAPTURE -Enum 129/0x81 -Description - Commences the capture of video, audio and/or VBI data. All encoding - parameters must be initialized prior to this API call. Captures frames - continuously or until a predefined number of frames have been captured. -Param[0] - Capture stream type: - 0=MPEG - 1=Raw - 2=Raw passthrough - 3=VBI - -Param[1] - Bitmask: - Bit 0 when set, captures YUV - Bit 1 when set, captures PCM audio - Bit 2 when set, captures VBI (same as param[0]=3) - Bit 3 when set, the capture destination is the decoder - (same as param[0]=2) - Bit 4 when set, the capture destination is the host - Note: this parameter is only meaningful for RAW capture type. - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_STOP_CAPTURE -Enum 130/0x82 -Description - Ends a capture in progress -Param[0] - 0=stop at end of GOP (generates IRQ) - 1=stop immediate (no IRQ) -Param[1] - Stream type to stop, see param[0] of API 0x81 -Param[2] - Subtype, see param[1] of API 0x81 - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_AUDIO_ID -Enum 137/0x89 -Description - Assigns the transport stream ID of the encoded audio stream -Param[0] - Audio Stream ID - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_VIDEO_ID -Enum 139/0x8B -Description - Set video transport stream ID -Param[0] - Video stream ID - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_PCR_ID -Enum 141/0x8D -Description - Assigns the transport stream ID for PCR packets -Param[0] - PCR Stream ID - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_FRAME_RATE -Enum 143/0x8F -Description - Set video frames per second. Change occurs at start of new GOP. -Param[0] - 0=30fps - 1=25fps - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_FRAME_SIZE -Enum 145/0x91 -Description - Select video stream encoding resolution. -Param[0] - Height in lines. Default 480 -Param[1] - Width in pixels. Default 720 - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_BIT_RATE -Enum 149/0x95 -Description - Assign average video stream bitrate. Note on the last three params: - Param[3] and [4] seem to be always 0, param [5] doesn't seem to be used. -Param[0] - 0=variable bitrate, 1=constant bitrate -Param[1] - bitrate in bits per second -Param[2] - peak bitrate in bits per second, divided by 400 -Param[3] - Mux bitrate in bits per second, divided by 400. May be 0 (default). -Param[4] - Rate Control VBR Padding -Param[5] - VBV Buffer used by encoder - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_GOP_PROPERTIES -Enum 151/0x97 -Description - Setup the GOP structure -Param[0] - GOP size (maximum is 34) -Param[1] - Number of B frames between the I and P frame, plus 1. - For example: IBBPBBPBBPBB --> GOP size: 12, number of B frames: 2+1 = 3 - Note that GOP size must be a multiple of (B-frames + 1). - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_ASPECT_RATIO -Enum 153/0x99 -Description - Sets the encoding aspect ratio. Changes in the aspect ratio take effect - at the start of the next GOP. -Param[0] - '0000' forbidden - '0001' 1:1 square - '0010' 4:3 - '0011' 16:9 - '0100' 2.21:1 - '0101' reserved - .... - '1111' reserved - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_DNR_FILTER_MODE -Enum 155/0x9B -Description - Assign Dynamic Noise Reduction operating mode -Param[0] - Bit0: Spatial filter, set=auto, clear=manual - Bit1: Temporal filter, set=auto, clear=manual -Param[1] - Median filter: - 0=Disabled - 1=Horizontal - 2=Vertical - 3=Horiz/Vert - 4=Diagonal - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_DNR_FILTER_PROPS -Enum 157/0x9D -Description - These Dynamic Noise Reduction filter values are only meaningful when - the respective filter is set to "manual" (See API 0x9B) -Param[0] - Spatial filter: default 0, range 0:15 -Param[1] - Temporal filter: default 0, range 0:31 - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_CORING_LEVELS -Enum 159/0x9F -Description - Assign Dynamic Noise Reduction median filter properties. -Param[0] - Threshold above which the luminance median filter is enabled. - Default: 0, range 0:255 -Param[1] - Threshold below which the luminance median filter is enabled. - Default: 255, range 0:255 -Param[2] - Threshold above which the chrominance median filter is enabled. - Default: 0, range 0:255 -Param[3] - Threshold below which the chrominance median filter is enabled. - Default: 255, range 0:255 - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_SPATIAL_FILTER_TYPE -Enum 161/0xA1 -Description - Assign spatial prefilter parameters -Param[0] - Luminance filter - 0=Off - 1=1D Horizontal - 2=1D Vertical - 3=2D H/V Separable (default) - 4=2D Symmetric non-separable -Param[1] - Chrominance filter - 0=Off - 1=1D Horizontal (default) - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_VBI_LINE -Enum 183/0xB7 -Description - Selects VBI line number. -Param[0] - Bits 0:4 line number - Bit 31 0=top_field, 1=bottom_field - Bits 0:31 all set specifies "all lines" -Param[1] - VBI line information features: 0=disabled, 1=enabled -Param[2] - Slicing: 0=None, 1=Closed Caption - Almost certainly not implemented. Set to 0. -Param[3] - Luminance samples in this line. - Almost certainly not implemented. Set to 0. -Param[4] - Chrominance samples in this line - Almost certainly not implemented. Set to 0. - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_STREAM_TYPE -Enum 185/0xB9 -Description - Assign stream type - Note: Transport stream is not working in recent firmwares. - And in older firmwares the timestamps in the TS seem to be - unreliable. -Param[0] - 0=Program stream - 1=Transport stream - 2=MPEG1 stream - 3=PES A/V stream - 5=PES Video stream - 7=PES Audio stream - 10=DVD stream - 11=VCD stream - 12=SVCD stream - 13=DVD_S1 stream - 14=DVD_S2 stream - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_OUTPUT_PORT -Enum 187/0xBB -Description - Assign stream output port. Normally 0 when the data is copied through - the PCI bus (DMA), and 1 when the data is streamed to another chip - (pvrusb and cx88-blackbird). -Param[0] - 0=Memory (default) - 1=Streaming - 2=Serial -Param[1] - Unknown, but leaving this to 0 seems to work best. Indications are that - this might have to do with USB support, although passing anything but 0 - only breaks things. - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_AUDIO_PROPERTIES -Enum 189/0xBD -Description - Set audio stream properties, may be called while encoding is in progress. - Note: all bitfields are consistent with ISO11172 documentation except - bits 2:3 which ISO docs define as: - '11' Layer I - '10' Layer II - '01' Layer III - '00' Undefined - This discrepancy may indicate a possible error in the documentation. - Testing indicated that only Layer II is actually working, and that - the minimum bitrate should be 192 kbps. -Param[0] - Bitmask: - 0:1 '00' 44.1Khz - '01' 48Khz - '10' 32Khz - '11' reserved - - 2:3 '01'=Layer I - '10'=Layer II - - 4:7 Bitrate: - Index | Layer I | Layer II - ------+-------------+------------ - '0000' | free format | free format - '0001' | 32 kbit/s | 32 kbit/s - '0010' | 64 kbit/s | 48 kbit/s - '0011' | 96 kbit/s | 56 kbit/s - '0100' | 128 kbit/s | 64 kbit/s - '0101' | 160 kbit/s | 80 kbit/s - '0110' | 192 kbit/s | 96 kbit/s - '0111' | 224 kbit/s | 112 kbit/s - '1000' | 256 kbit/s | 128 kbit/s - '1001' | 288 kbit/s | 160 kbit/s - '1010' | 320 kbit/s | 192 kbit/s - '1011' | 352 kbit/s | 224 kbit/s - '1100' | 384 kbit/s | 256 kbit/s - '1101' | 416 kbit/s | 320 kbit/s - '1110' | 448 kbit/s | 384 kbit/s - Note: For Layer II, not all combinations of total bitrate - and mode are allowed. See ISO11172-3 3-Annex B, Table 3-B.2 - - 8:9 '00'=Stereo - '01'=JointStereo - '10'=Dual - '11'=Mono - Note: the cx23415 cannot decode Joint Stereo properly. - - 10:11 Mode Extension used in joint_stereo mode. - In Layer I and II they indicate which subbands are in - intensity_stereo. All other subbands are coded in stereo. - '00' subbands 4-31 in intensity_stereo, bound==4 - '01' subbands 8-31 in intensity_stereo, bound==8 - '10' subbands 12-31 in intensity_stereo, bound==12 - '11' subbands 16-31 in intensity_stereo, bound==16 - - 12:13 Emphasis: - '00' None - '01' 50/15uS - '10' reserved - '11' CCITT J.17 - - 14 CRC: - '0' off - '1' on - - 15 Copyright: - '0' off - '1' on - - 16 Generation: - '0' copy - '1' original - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_HALT_FW -Enum 195/0xC3 -Description - The firmware is halted and no further API calls are serviced until the - firmware is uploaded again. - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_GET_VERSION -Enum 196/0xC4 -Description - Returns the version of the encoder firmware. -Result[0] - Version bitmask: - Bits 0:15 build - Bits 16:23 minor - Bits 24:31 major - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_GOP_CLOSURE -Enum 197/0xC5 -Description - Assigns the GOP open/close property. -Param[0] - 0=Open - 1=Closed - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_GET_SEQ_END -Enum 198/0xC6 -Description - Obtains the sequence end code of the encoder's buffer. When a capture - is started a number of interrupts are still generated, the last of - which will have Result[0] set to 1 and Result[1] will contain the size - of the buffer. -Result[0] - State of the transfer (1 if last buffer) -Result[1] - If Result[0] is 1, this contains the size of the last buffer, undefined - otherwise. - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_PGM_INDEX_INFO -Enum 199/0xC7 -Description - Sets the Program Index Information. - The information is stored as follows: - - struct info { - u32 length; // Length of this frame - u32 offset_low; // Offset in the file of the - u32 offset_high; // start of this frame - u32 mask1; // Bits 0-2 are the type mask: - // 1=I, 2=P, 4=B - // 0=End of Program Index, other fields - // are invalid. - u32 pts; // The PTS of the frame - u32 mask2; // Bit 0 is bit 32 of the pts. - }; - u32 table_ptr; - struct info index[400]; - - The table_ptr is the encoder memory address in the table were - *new* entries will be written. Note that this is a ringbuffer, - so the table_ptr will wraparound. -Param[0] - Picture Mask: - 0=No index capture - 1=I frames - 3=I,P frames - 7=I,P,B frames - (Seems to be ignored, it always indexes I, P and B frames) -Param[1] - Elements requested (up to 400) -Result[0] - Offset in the encoder memory of the start of the table. -Result[1] - Number of allocated elements up to a maximum of Param[1] - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_VBI_CONFIG -Enum 200/0xC8 -Description - Configure VBI settings -Param[0] - Bitmap: - 0 Mode '0' Sliced, '1' Raw - 1:3 Insertion: - '000' insert in extension & user data - '001' insert in private packets - '010' separate stream and user data - '111' separate stream and private data - 8:15 Stream ID (normally 0xBD) -Param[1] - Frames per interrupt (max 8). Only valid in raw mode. -Param[2] - Total raw VBI frames. Only valid in raw mode. -Param[3] - Start codes -Param[4] - Stop codes -Param[5] - Lines per frame -Param[6] - Byte per line -Result[0] - Observed frames per interrupt in raw mode only. Rage 1 to Param[1] -Result[1] - Observed number of frames in raw mode. Range 1 to Param[2] -Result[2] - Memory offset to start or raw VBI data - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_DMA_BLOCK_SIZE -Enum 201/0xC9 -Description - Set DMA transfer block size -Param[0] - DMA transfer block size in bytes or frames. When unit is bytes, - supported block sizes are 2^7, 2^8 and 2^9 bytes. -Param[1] - Unit: 0=bytes, 1=frames - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_GET_PREV_DMA_INFO_MB_10 -Enum 202/0xCA -Description - Returns information on the previous DMA transfer in conjunction with - bit 27 of the interrupt mask. Uses mailbox 10. -Result[0] - Type of stream -Result[1] - Address Offset -Result[2] - Maximum size of transfer - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_GET_PREV_DMA_INFO_MB_9 -Enum 203/0xCB -Description - Returns information on the previous DMA transfer in conjunction with - bit 27 or 18 of the interrupt mask. Uses mailbox 9. -Result[0] - Status bits: - 0 read completed - 1 write completed - 2 DMA read error - 3 DMA write error - 4 Scatter-Gather array error -Result[1] - DMA type -Result[2] - Presentation Time Stamp bits 0..31 -Result[3] - Presentation Time Stamp bit 32 - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SCHED_DMA_TO_HOST -Enum 204/0xCC -Description - Setup DMA to host operation -Param[0] - Memory address of link list -Param[1] - Length of link list (wtf: what units ???) -Param[2] - DMA type (0=MPEG) - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_INITIALIZE_INPUT -Enum 205/0xCD -Description - Initializes the video input - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_FRAME_DROP_RATE -Enum 208/0xD0 -Description - For each frame captured, skip specified number of frames. -Param[0] - Number of frames to skip - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_PAUSE_ENCODER -Enum 210/0xD2 -Description - During a pause condition, all frames are dropped instead of being encoded. -Param[0] - 0=Pause encoding - 1=Continue encoding - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_REFRESH_INPUT -Enum 211/0xD3 -Description - Refreshes the video input - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_COPYRIGHT -Enum 212/0xD4 -Description - Sets stream copyright property -Param[0] - 0=Stream is not copyrighted - 1=Stream is copyrighted - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_EVENT_NOTIFICATION -Enum 213/0xD5 -Description - Setup firmware to notify the host about a particular event. Host must - unmask the interrupt bit. -Param[0] - Event (0=refresh encoder input) -Param[1] - Notification 0=disabled 1=enabled -Param[2] - Interrupt bit -Param[3] - Mailbox slot, -1 if no mailbox required. - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_NUM_VSYNC_LINES -Enum 214/0xD6 -Description - Depending on the analog video decoder used, this assigns the number - of lines for field 1 and 2. -Param[0] - Field 1 number of lines: - 0x00EF for SAA7114 - 0x00F0 for SAA7115 - 0x0105 for Micronas -Param[1] - Field 2 number of lines: - 0x00EF for SAA7114 - 0x00F0 for SAA7115 - 0x0106 for Micronas - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_PLACEHOLDER -Enum 215/0xD7 -Description - Provides a mechanism of inserting custom user data in the MPEG stream. -Param[0] - 0=extension & user data - 1=private packet with stream ID 0xBD -Param[1] - Rate at which to insert data, in units of frames (for private packet) - or GOPs (for ext. & user data) -Param[2] - Number of data DWORDs (below) to insert -Param[3] - Custom data 0 -Param[4] - Custom data 1 -Param[5] - Custom data 2 -Param[6] - Custom data 3 -Param[7] - Custom data 4 -Param[8] - Custom data 5 -Param[9] - Custom data 6 -Param[10] - Custom data 7 -Param[11] - Custom data 8 - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_MUTE_VIDEO -Enum 217/0xD9 -Description - Video muting -Param[0] - Bit usage: - 0 '0'=video not muted - '1'=video muted, creates frames with the YUV color defined below - 1:7 Unused - 8:15 V chrominance information - 16:23 U chrominance information - 24:31 Y luminance information - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_MUTE_AUDIO -Enum 218/0xDA -Description - Audio muting -Param[0] - 0=audio not muted - 1=audio muted (produces silent mpeg audio stream) - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_SET_VERT_CROP_LINE -Enum 219/0xDB -Description - Something to do with 'Vertical Crop Line' -Param[0] - If saa7114 and raw VBI capture and 60 Hz, then set to 10001. - Else 0. - -------------------------------------------------------------------------------- - -Name CX2341X_ENC_MISC -Enum 220/0xDC -Description - Miscellaneous actions. Not known for 100% what it does. It's really a - sort of ioctl call. The first parameter is a command number, the second - the value. -Param[0] - Command number: - 1=set initial SCR value when starting encoding (works). - 2=set quality mode (apparently some test setting). - 3=setup advanced VIM protection handling. - Always 1 for the cx23416 and 0 for cx23415. - 4=generate DVD compatible PTS timestamps - 5=USB flush mode - 6=something to do with the quantization matrix - 7=set navigation pack insertion for DVD: adds 0xbf (private stream 2) - packets to the MPEG. The size of these packets is 2048 bytes (including - the header of 6 bytes: 0x000001bf + length). The payload is zeroed and - it is up to the application to fill them in. These packets are apparently - inserted every four frames. - 8=enable scene change detection (seems to be a failure) - 9=set history parameters of the video input module - 10=set input field order of VIM - 11=set quantization matrix - 12=reset audio interface after channel change or input switch (has no argument). - Needed for the cx2584x, not needed for the mspx4xx, but it doesn't seem to - do any harm calling it regardless. - 13=set audio volume delay - 14=set audio delay - -Param[1] - Command value. |
