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/linux/include/media/
H A Dv4l2-mediabus.h209 pix_fmt->quantization = mbus_fmt->quantization; in v4l2_fill_mbus_format()
231 mbus_fmt->quantization = pix_fmt->quantization; in v4l2_fill_pix_format_mplane()
252 pix_mp_fmt->quantization = mbus_fmt->quantization; in v4l2_fill_mbus_format_mplane()
272 mbus_fmt->quantization = pix_mp_fmt->quantization;
H A Dv4l2-common.h619 static inline bool v4l2_is_quant_valid(__u8 quantization) in v4l2_is_quant_valid() argument
621 return quantization == V4L2_QUANTIZATION_FULL_RANGE || in v4l2_is_quant_valid()
622 quantization == V4L2_QUANTIZATION_LIM_RANGE; in v4l2_is_quant_valid()
/linux/drivers/media/platform/ti/vpe/
H A Dcsc.c26 struct quantization { struct
31 struct quantization limited; argument
32 struct quantization full;
156 src_quantization = mp->quantization; in csc_set_coeff()
161 src_quantization = pix->quantization; in csc_set_coeff()
168 dst_quantization = mp->quantization; in csc_set_coeff()
173 dst_quantization = pix->quantization; in csc_set_coeff()
/linux/Documentation/userspace-api/media/v4l/
H A Dpixfmt-srggb8-pisp-comp.rst31 Mode 1 uses a quantization and delta-based coding scheme which preserves up to
40 The two LS bits of each 32-bit word give its "quantization mode".
42 In quantization mode 0, the lowest 321 quantization levels are multiples of
44 Quantization modes 1 and 2 use linear quantization with step sizes of
47 In quantization mode 2 where the middle two samples have quantized values
49 followed by 7 bits for (q2 & 127). Otherwise, for quantization modes
54 on its inner neighbour q1 or q2. In quantization mode 2 where the inner
56 (q0-384). Otherwise for quantization modes 0, 1 and 2: The outer sample
H A Dcolorspaces-details.rst16 ``V4L2_YCBCR_ENC_601``. The default Y'CbCr quantization is limited
82 The default quantization is limited range, but full range is possible
94 quantization is limited range. The chromaticities of the primary colors
156 The default quantization is limited range, but full range is possible
196 As seen by the xvYCC formulas these encodings always use limited range quantization,
211 ``V4L2_YCBCR_ENC_601``. The default Y'CbCr quantization is limited range.
213 Note that the :ref:`sycc` standard specifies full range quantization,
216 would break how applications interpret the quantization range.
278 170M/BT.601. The Y'CbCr quantization is limited range.
289 ``V4L2_YCBCR_ENC_601``. The default Y'CbCr quantization is limited
[all …]
H A Dcolorspaces-defs.rst10 default Y'CbCr encoding and the default quantization method. The second
15 non-standard Y'CbCr encodings and the fourth is the quantization
17 specify non-standard quantization methods. Most of the time only the
31 .. note:: The default R'G'B' quantization is full range for all
163 - Use the default quantization encoding as defined by the
167 - Use the full range quantization encoding. I.e. the range [0…1] is
173 - Use the limited range quantization encoding. I.e. the range [0…1]
H A Dext-ctrls-codec.rst595 Encoder will decide the appropriate quantization parameter and
1169 Specify the offset that should be added to the luma quantization
1170 parameter to determine the chroma quantization parameter. Applicable
1220 the quantization parameter for each frame type is constant and set
1223 enabled then quantization parameter is adjusted to meet the chosen
1224 bitrate. Minimum and maximum value for the quantization parameter
1241 Minimum quantization parameter for H263. Valid range: from 1 to 31.
1244 Maximum quantization parameter for H263. Valid range: from 1 to 31.
1259 Minimum quantization parameter for H264. Valid range: from 0 to 51.
1262 Maximum quantization parameter for H264. Valid range: from 0 to 51.
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H A Dpixfmt-v4l2.rst182 - ``quantization``
188 this field for a capture stream to request a specific quantization
190 conversion, it will return another supported quantization.
191 The driver indicates that quantization conversion is supported by setting
232 ``ycbcr_enc``, ``hsv_enc`` or ``quantization``) is set to ``*_DEFAULT``,
234 So in order to change the quantization, only the ``quantization`` field shall
H A Dext-ctrls-dv.rst80 Select the quantization range for RGB output. V4L2_DV_RANGE_AUTO
81 follows the RGB quantization range specified in the standard for the
139 Select the quantization range for RGB input. V4L2_DV_RANGE_AUTO
140 follows the RGB quantization range specified in the standard for the
/linux/drivers/media/test-drivers/visl/
H A Dvisl-trace-av1.h107 __print_flags(__entry->f.quantization.flags, "|",
111 __entry->f.quantization.base_q_idx,
112 __entry->f.quantization.delta_q_y_dc,
113 __entry->f.quantization.delta_q_u_dc,
114 __entry->f.quantization.delta_q_u_ac,
115 __entry->f.quantization.delta_q_v_dc,
116 __entry->f.quantization.delta_q_v_ac,
117 __entry->f.quantization.qm_y,
118 __entry->f.quantization.qm_u,
119 __entry->f.quantization.qm_v,
[all …]
H A Dvisl-trace-fwht.h23 __field(u32, quantization)
34 __entry->quantization = p->quantization;
52 __entry->quantization)
/linux/drivers/media/test-drivers/vimc/
H A Dvimc-common.c297 source_fmt.quantization, source_fmt.xfer_func, in vimc_vdev_link_validate()
303 sink_fmt.quantization, sink_fmt.xfer_func, in vimc_vdev_link_validate()
339 if (source_fmt.quantization != V4L2_QUANTIZATION_DEFAULT && in vimc_vdev_link_validate()
340 sink_fmt.quantization != V4L2_QUANTIZATION_DEFAULT && in vimc_vdev_link_validate()
341 source_fmt.quantization != sink_fmt.quantization) in vimc_vdev_link_validate()
H A Dvimc-common.h60 (fmt)->quantization = V4L2_QUANTIZATION_DEFAULT; \
65 if ((fmt)->quantization > V4L2_QUANTIZATION_LIM_RANGE) \
66 (fmt)->quantization = V4L2_QUANTIZATION_DEFAULT; \
H A Dvimc-sensor.c112 tpg_s_quantization(&vsensor->tpg, format->quantization); in vimc_sensor_tpg_s_format()
158 mf->colorspace, mf->quantization, in vimc_sensor_set_fmt()
162 fmt->format.colorspace, fmt->format.quantization, in vimc_sensor_set_fmt()
/linux/include/media/tpg/
H A Dv4l2-tpg.h176 u32 quantization; member
406 static inline void tpg_s_quantization(struct tpg_data *tpg, u32 quantization) in tpg_s_quantization() argument
408 if (tpg->quantization == quantization) in tpg_s_quantization()
410 tpg->quantization = quantization; in tpg_s_quantization()
416 return tpg->quantization; in tpg_g_quantization()
/linux/drivers/media/platform/rockchip/rkisp1/
H A Drkisp1-isp.c317 src_frm->quantization, in rkisp1_config_isp()
566 sink_fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; in rkisp1_isp_init_state()
582 src_fmt->quantization = V4L2_QUANTIZATION_LIM_RANGE; in rkisp1_isp_init_state()
657 src_fmt->quantization = V4L2_QUANTIZATION_LIM_RANGE; in rkisp1_isp_set_src_fmt()
659 src_fmt->quantization = sink_fmt->quantization; in rkisp1_isp_set_src_fmt()
689 if (format->quantization != V4L2_QUANTIZATION_DEFAULT) in rkisp1_isp_set_src_fmt()
690 src_fmt->quantization = format->quantization; in rkisp1_isp_set_src_fmt()
798 sink_fmt->quantization = format->quantization ? : in rkisp1_isp_set_sink_fmt()
808 sink_fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; in rkisp1_isp_set_sink_fmt()
H A Drkisp1-resizer.c393 sink_fmt->quantization = V4L2_QUANTIZATION_LIM_RANGE; in rkisp1_rsz_init_state()
519 sink_fmt->quantization = format->quantization ? : in rkisp1_rsz_set_sink_fmt()
529 sink_fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; in rkisp1_rsz_set_sink_fmt()
539 src_fmt->quantization = sink_fmt->quantization; in rkisp1_rsz_set_sink_fmt()
/linux/Documentation/admin-guide/media/
H A Dimx7.rst117 … [fmt:SBGGR10_1X10/800x600 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range]
120 … [fmt:SBGGR10_1X10/800x600 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range]
199 … [fmt:UYVY8_2X8/640x480 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range]
202 … [fmt:UYVY8_2X8/640x480 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range]
215 …[fmt:UYVY8_2X8/640x480@1/30 field:none colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range]
H A Drkisp1.rst193 The driver supports limited and full range quantization on YUV formats,
197 isp (`rkisp1_isp:2`). The quantization configured on this pad is the
198 quantization of the captured video frames on the mainpath and selfpath
201 ``V4L2_QUANTIZATION_DEFAULT`` even if the quantization is configured to full
202 range on `rkisp1_isp:2`. So in order to get the configured quantization,
/linux/drivers/media/test-drivers/vicodec/
H A Dvicodec-core.c252 ctx->state.quantization = ntohl(p_hdr->quantization); in update_state_from_header()
545 ctx->state.quantization = ntohl(p_hdr->quantization); in update_capture_data_from_header()
792 pix->quantization = ctx->state.quantization; in vidioc_g_fmt()
811 pix_mp->quantization = ctx->state.quantization; in vidioc_g_fmt()
909 pix->quantization = ctx->state.quantization; in vidioc_try_fmt_vid_cap()
920 pix_mp->quantization = ctx->state.quantization; in vidioc_try_fmt_vid_cap()
1118 ctx->state.quantization = pix->quantization; in vidioc_s_fmt_vid_out()
1125 ctx->state.quantization = pix_mp->quantization; in vidioc_s_fmt_vid_out()
1784 p_hdr->quantization = htonl(params->quantization); in update_header_from_stateless_params()
H A Dcodec-v4l2-fwht.c277 p_hdr->quantization = htonl(state->quantization); in v4l2_fwht_encode()
332 state->quantization = ntohl(state->header.quantization); in v4l2_fwht_decode()
/linux/drivers/staging/media/imx/
H A Dimx-media-utils.c415 mbus->quantization = in imx_media_init_mbus_fmt()
511 if (tryfmt->quantization == V4L2_QUANTIZATION_DEFAULT) in imx_media_try_colorimetry()
512 tryfmt->quantization = in imx_media_try_colorimetry()
562 pix->quantization = mbus->quantization; in imx_media_mbus_fmt_to_pix_fmt()
/linux/drivers/media/platform/allegro-dvt/
H A Dnal-h264.h276 static inline int nal_h264_full_range(enum v4l2_quantization quantization) in nal_h264_full_range() argument
278 switch (quantization) { in nal_h264_full_range()
H A Dnal-hevc.h418 static inline int nal_hevc_full_range(enum v4l2_quantization quantization) in nal_hevc_full_range() argument
420 switch (quantization) { in nal_hevc_full_range()
/linux/drivers/media/platform/st/sti/delta/
H A Ddelta.h81 enum v4l2_quantization quantization; member
146 enum v4l2_quantization quantization; member

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