From e65e4f134db36c70f13e9703d8e253e6b196ca47 Mon Sep 17 00:00:00 2001 From: Kamil Debski Date: Tue, 14 Jun 2011 10:31:04 -0300 Subject: [media] v4l: add control definitions for codec devices Add control definitions and documentation for controls specific to codec devices. Signed-off-by: Kamil Debski Signed-off-by: Kyungmin Park Signed-off-by: Mauro Carvalho Chehab diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index e204675..8516401 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -329,6 +329,22 @@ minimum value disables backlight compensation. V4L2_CID_ILLUMINATORS_2 + 1). + V4L2_CID_MIN_BUFFERS_FOR_CAPTURE + integer + This is a read-only control that can be read by the application +and used as a hint to determine the number of CAPTURE buffers to pass to REQBUFS. +The value is the minimum number of CAPTURE buffers that is necessary for hardware +to work. + + + V4L2_CID_MIN_BUFFERS_FOR_OUTPUT + integer + This is a read-only control that can be read by the application +and used as a hint to determine the number of OUTPUT buffers to pass to REQBUFS. +The value is the minimum number of OUTPUT buffers that is necessary for hardware +to work. + + V4L2_CID_PRIVATE_BASE ID of the first custom (driver specific) control. @@ -1417,6 +1433,959 @@ of the video. The supplied 32-bit integer is interpreted as follows (bit + + + + + V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE  + boolean + + If enabled the decoder expects to receive a single slice per buffer, otherwise +the decoder expects a single frame in per buffer. Applicable to the decoder, all codecs. + + + + + + V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE  + boolean + + Enable writing sample aspect ratio in the Video Usability Information. +Applicable to the H264 encoder. + + + + + V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC  + enum v4l2_mpeg_video_h264_vui_sar_idc + + VUI sample aspect ratio indicator for H.264 encoding. The value +is defined in the table E-1 in the standard. Applicable to the H264 encoder. + + + + + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_UNSPECIFIED  + Unspecified + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1  + 1x1 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_12x11  + 12x11 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_10x11  + 10x11 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_16x11  + 16x11 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_40x33  + 40x33 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_24x11  + 24x11 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_20x11  + 20x11 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_32x11  + 32x11 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_80x33  + 80x33 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_18x11  + 18x11 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_15x11  + 15x11 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_64x33  + 64x33 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_160x99  + 160x99 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_4x3  + 4x3 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_3x2  + 3x2 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_2x1  + 2x1 + + + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED  + Extended SAR + + + + + + + + V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH  + integer + + Extended sample aspect ratio width for H.264 VUI encoding. +Applicable to the H264 encoder. + + + + + V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT  + integer + + Extended sample aspect ratio height for H.264 VUI encoding. +Applicable to the H264 encoder. + + + + + V4L2_CID_MPEG_VIDEO_H264_LEVEL  + enum v4l2_mpeg_video_h264_level + + The level information for the H264 video elementary stream. +Applicable to the H264 encoder. +Possible values are: + + + + + + V4L2_MPEG_VIDEO_H264_LEVEL_1_0  + Level 1.0 + + + V4L2_MPEG_VIDEO_H264_LEVEL_1B  + Level 1B + + + V4L2_MPEG_VIDEO_H264_LEVEL_1_1  + Level 1.1 + + + V4L2_MPEG_VIDEO_H264_LEVEL_1_2  + Level 1.2 + + + V4L2_MPEG_VIDEO_H264_LEVEL_1_3  + Level 1.3 + + + V4L2_MPEG_VIDEO_H264_LEVEL_2_0  + Level 2.0 + + + V4L2_MPEG_VIDEO_H264_LEVEL_2_1  + Level 2.1 + + + V4L2_MPEG_VIDEO_H264_LEVEL_2_2  + Level 2.2 + + + V4L2_MPEG_VIDEO_H264_LEVEL_3_0  + Level 3.0 + + + V4L2_MPEG_VIDEO_H264_LEVEL_3_1  + Level 3.1 + + + V4L2_MPEG_VIDEO_H264_LEVEL_3_2  + Level 3.2 + + + V4L2_MPEG_VIDEO_H264_LEVEL_4_0  + Level 4.0 + + + V4L2_MPEG_VIDEO_H264_LEVEL_4_1  + Level 4.1 + + + V4L2_MPEG_VIDEO_H264_LEVEL_4_2  + Level 4.2 + + + V4L2_MPEG_VIDEO_H264_LEVEL_5_0  + Level 5.0 + + + V4L2_MPEG_VIDEO_H264_LEVEL_5_1  + Level 5.1 + + + + + + + + V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL  + enum v4l2_mpeg_video_mpeg4_level + + The level information for the MPEG4 elementary stream. +Applicable to the MPEG4 encoder. +Possible values are: + + + + + + V4L2_MPEG_VIDEO_LEVEL_0  + Level 0 + + + V4L2_MPEG_VIDEO_LEVEL_0B  + Level 0b + + + V4L2_MPEG_VIDEO_LEVEL_1  + Level 1 + + + V4L2_MPEG_VIDEO_LEVEL_2  + Level 2 + + + V4L2_MPEG_VIDEO_LEVEL_3  + Level 3 + + + V4L2_MPEG_VIDEO_LEVEL_3B  + Level 3b + + + V4L2_MPEG_VIDEO_LEVEL_4  + Level 4 + + + V4L2_MPEG_VIDEO_LEVEL_5  + Level 5 + + + + + + + + V4L2_CID_MPEG_VIDEO_H264_PROFILE  + enum v4l2_mpeg_h264_profile + + The profile information for H264. +Applicable to the H264 encoder. +Possible values are: + + + + + + V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE  + Baseline profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE  + Constrained Baseline profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_MAIN  + Main profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED  + Extended profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH  + High profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10  + High 10 profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422  + High 422 profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE  + High 444 Predictive profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA  + High 10 Intra profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA  + High 422 Intra profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA  + High 444 Intra profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA  + CAVLC 444 Intra profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE  + Scalable Baseline profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH  + Scalable High profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA  + Scalable High Intra profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH  + Stereo High profile + + + V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH  + Multiview High profile + + + + + + + + + V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE  + enum v4l2_mpeg_mpeg4_profile + + The profile information for MPEG4. +Applicable to the MPEG4 encoder. +Possible values are: + + + + + + V4L2_MPEG_VIDEO_PROFILE_SIMPLE  + Simple profile + + + V4L2_MPEG_VIDEO_PROFILE_ADVANCED_SIMPLE  + Advanced Simple profile + + + V4L2_MPEG_VIDEO_PROFILE_CORE  + Core profile + + + V4L2_MPEG_VIDEO_PROFILE_SIMPLE_SCALABLE  + Simple Scalable profile + + + V4L2_MPEG_VIDEO_PROFILE_ADVANCED_CODING_EFFICIENCY  + + + + + + + + + V4L2_CID_MPEG_VIDEO_MAX_REF_PIC  + integer + + The maximum number of reference pictures used for encoding. +Applicable to the encoder. + + + + + + V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE  + enum v4l2_mpeg_multi_slice_mode + + Determines how the encoder should handle division of frame into slices. +Applicable to the encoder. +Possible values are: + + + + + + V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE  + Single slice per frame. + + + V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB  + Multiple slices with set maximum number of macroblocks per slice. + + + V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES  + Multiple slice with set maximum size in bytes per slice. + + + + + + + + V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB  + integer + + The maximum number of macroblocks in a slice. Used when +V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE is set to V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB. +Applicable to the encoder. + + + + + V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES  + integer + + The maximum size of a slice in bytes. Used when +V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE is set to V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES. +Applicable to the encoder. + + + + + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE  + enum v4l2_mpeg_h264_loop_filter_mode + + Loop filter mode for H264 encoder. +Possible values are: + + + + + + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED  + Loop filter is enabled. + + + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED  + Loop filter is disabled. + + + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY  + Loop filter is disabled at the slice boundary. + + + + + + + + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA  + integer + + Loop filter alpha coefficient, defined in the H264 standard. +Applicable to the H264 encoder. + + + + + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA  + integer + + Loop filter beta coefficient, defined in the H264 standard. +Applicable to the H264 encoder. + + + + + V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE  + enum v4l2_mpeg_h264_symbol_mode + + Entropy coding mode for H264 - CABAC/CAVALC. +Applicable to the H264 encoder. +Possible values are: + + + + + + V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC  + Use CAVLC entropy coding. + + + V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC  + Use CABAC entropy coding. + + + + + + + + V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM  + boolean + + Enable 8X8 transform for H264. Applicable to the H264 encoder. + + + + + V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB  + integer + + Cyclic intra macroblock refresh. This is the number of continuous macroblocks +refreshed every frame. Each frame a succesive set of macroblocks is refreshed until the cycle completes and starts from the +top of the frame. Applicable to H264, H263 and MPEG4 encoder. + + + + + V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE  + boolean + + Frame level rate control enable. +If this control is disabled then the quantization parameter for each frame type is constant and set with appropriate controls +(e.g. V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP). +If frame rate control is enabled then quantization parameter is adjusted to meet the chosen bitrate. Minimum and maximum value +for the quantization parameter can be set with appropriate controls (e.g. V4L2_CID_MPEG_VIDEO_H263_MIN_QP). +Applicable to encoders. + + + + + V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE  + boolean + + Macroblock level rate control enable. +Applicable to the MPEG4 and H264 encoders. + + + + + V4L2_CID_MPEG_VIDEO_MPEG4_QPEL  + boolean + + Quarter pixel motion estimation for MPEG4. Applicable to the MPEG4 encoder. + + + + + V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP  + integer + + Quantization parameter for an I frame for H263. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_H263_MIN_QP  + integer + + Minimum quantization parameter for H263. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_H263_MAX_QP  + integer + + Maximum quantization parameter for H263. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP  + integer + + Quantization parameter for an P frame for H263. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP  + integer + + Quantization parameter for an B frame for H263. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP  + integer + + Quantization parameter for an I frame for H264. Valid range: from 0 to 51. + + + + + V4L2_CID_MPEG_VIDEO_H264_MIN_QP  + integer + + Minimum quantization parameter for H264. Valid range: from 0 to 51. + + + + + V4L2_CID_MPEG_VIDEO_H264_MAX_QP  + integer + + Maximum quantization parameter for H264. Valid range: from 0 to 51. + + + + + V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP  + integer + + Quantization parameter for an P frame for H264. Valid range: from 0 to 51. + + + + + V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP  + integer + + Quantization parameter for an B frame for H264. Valid range: from 0 to 51. + + + + + V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP  + integer + + Quantization parameter for an I frame for MPEG4. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_MPEG4_MIN_QP  + integer + + Minimum quantization parameter for MPEG4. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_MPEG4_MAX_QP  + integer + + Maximum quantization parameter for MPEG4. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP  + integer + + Quantization parameter for an P frame for MPEG4. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP  + integer + + Quantization parameter for an B frame for MPEG4. Valid range: from 1 to 31. + + + + + V4L2_CID_MPEG_VIDEO_VBV_SIZE  + integer + + The Video Buffer Verifier size in kilobytes, it is used as a limitation of frame skip. +The VBV is defined in the standard as a mean to verify that the produced stream will be succesfully decoded. +The standard describes it as "Part of a hypothetical decoder that is conceptually connected to the +output of the encoder. Its purpose is to provide a constraint on the variability of the data rate that an +encoder or editing process may produce.". +Applicable to the MPEG1, MPEG2, MPEG4 encoders. + + + + + V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE  + integer + + The Coded Picture Buffer size in kilobytes, it is used as a limitation of frame skip. +The CPB is defined in the H264 standard as a mean to verify that the produced stream will be succesfully decoded. +Applicable to the H264 encoder. + + + + + V4L2_CID_MPEG_VIDEO_H264_I_PERIOD  + integer + + Period between I-frames in the open GOP for H264. In case of an open GOP +this is the period between two I-frames. The period between IDR (Instantaneous Decoding Refresh) frames is taken from the GOP_SIZE control. +An IDR frame, which stands for Instantaneous Decoding Refresh is an I-frame after which no prior frames are +referenced. This means that a stream can be restarted from an IDR frame without the need to store or decode any +previous frames. Applicable to the H264 encoder. + + + + + V4L2_CID_MPEG_VIDEO_HEADER_MODE  + enum v4l2_mpeg_header_mode + + Determines whether the header is returned as the first buffer or is +it returned together with the first frame. Applicable to encoders. +Possible values are: + + + + + + V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE  + The stream header is returned separately in the first buffer. + + + V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME  + The stream header is returned together with the first encoded frame. + + + + + + + V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER  + boolean + Enabled the deblocking post processing filter for MPEG4 decoder. +Applicable to the MPEG4 decoder. + + + + V4L2_CID_MPEG_VIDEO_MPEG4_VOP_TIME_RES  + integer + vop_time_increment_resolution value for MPEG4. Applicable to the MPEG4 encoder. + + + + V4L2_CID_MPEG_VIDEO_MPEG4_VOP_TIME_INC  + integer + vop_time_increment value for MPEG4. Applicable to the MPEG4 encoder. + + + + + + + +
+ MFC 5.1 MPEG Controls + + The following MPEG class controls deal with MPEG +decoding and encoding settings that are specific to the Multi Format Codec 5.1 device present +in the S5P family of SoCs by Samsung. + + + + MFC 5.1 Control IDs + + + + + + + + + + ID + Type + Description + + + + + + V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE  + integer + If the display delay is enabled then the decoder has to return a +CAPTURE buffer after processing a certain number of OUTPUT buffers. If this number is low, then it may result in +buffers not being dequeued in display order. In addition hardware may still use those buffers as reference, thus +application should not write to those buffers. This feature can be used for example for generating thumbnails of videos. +Applicable to the H264 decoder. + + + + + V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY  + integer + Display delay value for H264 decoder. +The decoder is forced to return a decoded frame after the set 'display delay' number of frames. If this number is +low it may result in frames returned out of dispaly order, in addition the hardware may still be using the returned buffer +as a reference picture for subsequent frames. + + + + + V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P  + integer + The number of reference pictures used for encoding a P picture. +Applicable to the H264 encoder. + + + + V4L2_CID_MPEG_MFC51_VIDEO_PADDING  + boolean + Padding enable in the encoder - use a color instead of repeating border pixels. +Applicable to encoders. + + + + V4L2_CID_MPEG_MFC51_VIDEO_PADDING_YUV  + integer + Padding color in the encoder. Applicable to encoders. The supplied 32-bit integer is interpreted as follows (bit +0 = least significant bit): + + + + + + Bit 0:7 + V chrominance information + + + Bit 8:15 + U chrominance information + + + Bit 16:23 + Y luminance information + + + Bit 24:31 + Must be zero. + + + + + + + V4L2_CID_MPEG_MFC51_VIDEO_RC_REACTION_COEFF  + integer + Reaction coefficient for MFC rate control. Applicable to encoders. +Note 1: Valid only when the frame level RC is enabled. +Note 2: For tight CBR, this field must be small (ex. 2 ~ 10). +For VBR, this field must be large (ex. 100 ~ 1000). +Note 3: It is not recommended to use the greater number than FRAME_RATE * (10^9 / BIT_RATE). + + + + + V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_DARK  + boolean + Adaptive rate control for dark region. +Valid only when H.264 and macroblock level RC is enabled (V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE). +Applicable to the H264 encoder. + + + + V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_SMOOTH  + boolean + Adaptive rate control for smooth region. +Valid only when H.264 and macroblock level RC is enabled (V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE). +Applicable to the H264 encoder. + + + + V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_STATIC  + boolean + Adaptive rate control for static region. +Valid only when H.264 and macroblock level RC is enabled (V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE). +Applicable to the H264 encoder. + + + + V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_ACTIVITY  + boolean + Adaptive rate control for activity region. +Valid only when H.264 and macroblock level RC is enabled (V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE). +Applicable to the H264 encoder. + + + + V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE  + enum v4l2_mpeg_mfc51_frame_skip_mode + + +Indicates in what conditions the encoder should skip frames. If encoding a frame would cause the encoded stream to be larger then +a chosen data limit then the frame will be skipped. +Possible values are: + + + + + + V4L2_MPEG_MFC51_FRAME_SKIP_MODE_DISABLED  + Frame skip mode is disabled. + + + V4L2_MPEG_MFC51_FRAME_SKIP_MODE_LEVEL_LIMIT  + Frame skip mode enabled and buffer limit is set by the chosen level and is defined by the standard. + + + V4L2_MPEG_MFC51_FRAME_SKIP_MODE_BUF_LIMIT  + Frame skip mode enabled and buffer limit is set by the VBV (MPEG1/2/4) or CPB (H264) buffer size control. + + + + + + + V4L2_CID_MPEG_MFC51_VIDEO_RC_FIXED_TARGET_BIT  + integer + Enable rate-control with fixed target bit. +If this setting is enabled, then the rate control logic of the encoder will calculate the average bitrate +for a GOP and keep it below or equal the set bitrate target. Otherwise the rate control logic calculates the +overall average bitrate for the stream and keeps it below or equal to the set bitrate. In the first case +the average bitrate for the whole stream will be smaller then the set bitrate. This is caused because the +average is calculated for smaller number of frames, on the other hand enabling this setting will ensure that +the stream will meet tight bandwidth contraints. Applicable to encoders. + + + + + V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE  + enum v4l2_mpeg_mfc51_force_frame_type + + Force a frame type for the next queued buffer. Applicable to encoders. +Possible values are: + + + + + + V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_DISABLED  + Forcing a specific frame type disabled. + + + V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_I_FRAME  + Force an I-frame. + + + V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_NOT_CODED  + Force a non-coded frame. + + + +
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index cb22a2c..fca24cc 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1156,8 +1156,13 @@ enum v4l2_colorfx { #define V4L2_CID_ILLUMINATORS_1 (V4L2_CID_BASE+37) #define V4L2_CID_ILLUMINATORS_2 (V4L2_CID_BASE+38) +#define V4L2_CID_MIN_BUFFERS_FOR_CAPTURE (V4L2_CID_BASE+39) +#define V4L2_CID_MIN_BUFFERS_FOR_OUTPUT (V4L2_CID_BASE+40) + /* last CID + 1 */ -#define V4L2_CID_LASTP1 (V4L2_CID_BASE+39) +#define V4L2_CID_LASTP1 (V4L2_CID_BASE+41) + +/* Minimum number of buffer neede by the device */ /* MPEG-class control IDs defined by V4L2 */ #define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900) @@ -1329,6 +1334,141 @@ enum v4l2_mpeg_video_bitrate_mode { #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209) #define V4L2_CID_MPEG_VIDEO_MUTE (V4L2_CID_MPEG_BASE+210) #define V4L2_CID_MPEG_VIDEO_MUTE_YUV (V4L2_CID_MPEG_BASE+211) +#define V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE (V4L2_CID_MPEG_BASE+212) +#define V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER (V4L2_CID_MPEG_BASE+213) +#define V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB (V4L2_CID_MPEG_BASE+214) +#define V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE (V4L2_CID_MPEG_BASE+215) +#define V4L2_CID_MPEG_VIDEO_HEADER_MODE (V4L2_CID_MPEG_BASE+216) +enum v4l2_mpeg_video_header_mode { + V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE = 0, + V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME = 1, + +}; +#define V4L2_CID_MPEG_VIDEO_MAX_REF_PIC (V4L2_CID_MPEG_BASE+217) +#define V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE (V4L2_CID_MPEG_BASE+218) +#define V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES (V4L2_CID_MPEG_BASE+219) +#define V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB (V4L2_CID_MPEG_BASE+220) +#define V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE (V4L2_CID_MPEG_BASE+221) +enum v4l2_mpeg_video_multi_slice_mode { + V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE = 0, + V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB = 1, + V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES = 2, +}; +#define V4L2_CID_MPEG_VIDEO_VBV_SIZE (V4L2_CID_MPEG_BASE+222) +#define V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP (V4L2_CID_MPEG_BASE+300) +#define V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP (V4L2_CID_MPEG_BASE+301) +#define V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP (V4L2_CID_MPEG_BASE+302) +#define V4L2_CID_MPEG_VIDEO_H263_MIN_QP (V4L2_CID_MPEG_BASE+303) +#define V4L2_CID_MPEG_VIDEO_H263_MAX_QP (V4L2_CID_MPEG_BASE+304) +#define V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP (V4L2_CID_MPEG_BASE+350) +#define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP (V4L2_CID_MPEG_BASE+351) +#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP (V4L2_CID_MPEG_BASE+352) +#define V4L2_CID_MPEG_VIDEO_H264_MIN_QP (V4L2_CID_MPEG_BASE+353) +#define V4L2_CID_MPEG_VIDEO_H264_MAX_QP (V4L2_CID_MPEG_BASE+354) +#define V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM (V4L2_CID_MPEG_BASE+355) +#define V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE (V4L2_CID_MPEG_BASE+356) +#define V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE (V4L2_CID_MPEG_BASE+357) +enum v4l2_mpeg_video_h264_entropy_mode { + V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC = 0, + V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC = 1, +}; +#define V4L2_CID_MPEG_VIDEO_H264_I_PERIOD (V4L2_CID_MPEG_BASE+358) +#define V4L2_CID_MPEG_VIDEO_H264_LEVEL (V4L2_CID_MPEG_BASE+359) +enum v4l2_mpeg_video_h264_level { + V4L2_MPEG_VIDEO_H264_LEVEL_1_0 = 0, + V4L2_MPEG_VIDEO_H264_LEVEL_1B = 1, + V4L2_MPEG_VIDEO_H264_LEVEL_1_1 = 2, + V4L2_MPEG_VIDEO_H264_LEVEL_1_2 = 3, + V4L2_MPEG_VIDEO_H264_LEVEL_1_3 = 4, + V4L2_MPEG_VIDEO_H264_LEVEL_2_0 = 5, + V4L2_MPEG_VIDEO_H264_LEVEL_2_1 = 6, + V4L2_MPEG_VIDEO_H264_LEVEL_2_2 = 7, + V4L2_MPEG_VIDEO_H264_LEVEL_3_0 = 8, + V4L2_MPEG_VIDEO_H264_LEVEL_3_1 = 9, + V4L2_MPEG_VIDEO_H264_LEVEL_3_2 = 10, + V4L2_MPEG_VIDEO_H264_LEVEL_4_0 = 11, + V4L2_MPEG_VIDEO_H264_LEVEL_4_1 = 12, + V4L2_MPEG_VIDEO_H264_LEVEL_4_2 = 13, + V4L2_MPEG_VIDEO_H264_LEVEL_5_0 = 14, + V4L2_MPEG_VIDEO_H264_LEVEL_5_1 = 15, +}; +#define V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA (V4L2_CID_MPEG_BASE+360) +#define V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA (V4L2_CID_MPEG_BASE+361) +#define V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE (V4L2_CID_MPEG_BASE+362) +enum v4l2_mpeg_video_h264_loop_filter_mode { + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED = 0, + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED = 1, + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY = 2, +}; +#define V4L2_CID_MPEG_VIDEO_H264_PROFILE (V4L2_CID_MPEG_BASE+363) +enum v4l2_mpeg_video_h264_profile { + V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE = 0, + V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE = 1, + V4L2_MPEG_VIDEO_H264_PROFILE_MAIN = 2, + V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED = 3, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH = 4, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10 = 5, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422 = 6, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE = 7, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA = 8, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA = 9, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA = 10, + V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA = 11, + V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE = 12, + V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH = 13, + V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA = 14, + V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH = 15, + V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH = 16, +}; +#define V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT (V4L2_CID_MPEG_BASE+364) +#define V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH (V4L2_CID_MPEG_BASE+365) +#define V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE (V4L2_CID_MPEG_BASE+366) +#define V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC (V4L2_CID_MPEG_BASE+367) +enum v4l2_mpeg_video_h264_vui_sar_idc { + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_UNSPECIFIED = 0, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1 = 1, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_12x11 = 2, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_10x11 = 3, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_16x11 = 4, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_40x33 = 5, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_24x11 = 6, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_20x11 = 7, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_32x11 = 8, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_80x33 = 9, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_18x11 = 10, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_15x11 = 11, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_64x33 = 12, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_160x99 = 13, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_4x3 = 14, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_3x2 = 15, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_2x1 = 16, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED = 17, +}; +#define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (V4L2_CID_MPEG_BASE+400) +#define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (V4L2_CID_MPEG_BASE+401) +#define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (V4L2_CID_MPEG_BASE+402) +#define V4L2_CID_MPEG_VIDEO_MPEG4_MIN_QP (V4L2_CID_MPEG_BASE+403) +#define V4L2_CID_MPEG_VIDEO_MPEG4_MAX_QP (V4L2_CID_MPEG_BASE+404) +#define V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL (V4L2_CID_MPEG_BASE+405) +enum v4l2_mpeg_video_mpeg4_level { + V4L2_MPEG_VIDEO_MPEG4_LEVEL_0 = 0, + V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B = 1, + V4L2_MPEG_VIDEO_MPEG4_LEVEL_1 = 2, + V4L2_MPEG_VIDEO_MPEG4_LEVEL_2 = 3, + V4L2_MPEG_VIDEO_MPEG4_LEVEL_3 = 4, + V4L2_MPEG_VIDEO_MPEG4_LEVEL_3B = 5, + V4L2_MPEG_VIDEO_MPEG4_LEVEL_4 = 6, + V4L2_MPEG_VIDEO_MPEG4_LEVEL_5 = 7, +}; +#define V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE (V4L2_CID_MPEG_BASE+406) +enum v4l2_mpeg_video_mpeg4_profile { + V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE = 0, + V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE = 1, + V4L2_MPEG_VIDEO_MPEG4_PROFILE_CORE = 2, + V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE_SCALABLE = 3, + V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY = 4, +}; +#define V4L2_CID_MPEG_VIDEO_MPEG4_QPEL (V4L2_CID_MPEG_BASE+407) /* MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */ #define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000) @@ -1371,6 +1511,33 @@ enum v4l2_mpeg_cx2341x_video_median_filter_type { #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+10) #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS (V4L2_CID_MPEG_CX2341X_BASE+11) +/* MPEG-class control IDs specific to the Samsung MFC 5.1 driver as defined by V4L2 */ +#define V4L2_CID_MPEG_MFC51_BASE (V4L2_CTRL_CLASS_MPEG | 0x1100) + +#define V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY (V4L2_CID_MPEG_MFC51_BASE+0) +#define V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE (V4L2_CID_MPEG_MFC51_BASE+1) +#define V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE (V4L2_CID_MPEG_MFC51_BASE+2) +enum v4l2_mpeg_mfc51_video_frame_skip_mode { + V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_DISABLED = 0, + V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_LEVEL_LIMIT = 1, + V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT = 2, +}; +#define V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE (V4L2_CID_MPEG_MFC51_BASE+3) +enum v4l2_mpeg_mfc51_video_force_frame_type { + V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_DISABLED = 0, + V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_I_FRAME = 1, + V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_NOT_CODED = 2, +}; +#define V4L2_CID_MPEG_MFC51_VIDEO_PADDING (V4L2_CID_MPEG_MFC51_BASE+4) +#define V4L2_CID_MPEG_MFC51_VIDEO_PADDING_YUV (V4L2_CID_MPEG_MFC51_BASE+5) +#define V4L2_CID_MPEG_MFC51_VIDEO_RC_FIXED_TARGET_BIT (V4L2_CID_MPEG_MFC51_BASE+6) +#define V4L2_CID_MPEG_MFC51_VIDEO_RC_REACTION_COEFF (V4L2_CID_MPEG_MFC51_BASE+7) +#define V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_ACTIVITY (V4L2_CID_MPEG_MFC51_BASE+50) +#define V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_DARK (V4L2_CID_MPEG_MFC51_BASE+51) +#define V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_SMOOTH (V4L2_CID_MPEG_MFC51_BASE+52) +#define V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_STATIC (V4L2_CID_MPEG_MFC51_BASE+53) +#define V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P (V4L2_CID_MPEG_MFC51_BASE+54) + /* Camera class control IDs */ #define V4L2_CID_CAMERA_CLASS_BASE (V4L2_CTRL_CLASS_CAMERA | 0x900) #define V4L2_CID_CAMERA_CLASS (V4L2_CTRL_CLASS_CAMERA | 1) -- cgit v0.10.2