| /third_party/skia/third_party/externals/libwebp/src/enc/ |
| D | predictor_enc.c | 151 uint8_t boundary, int quantization) { in NearLosslessComponent() argument
154 const int lower = residual & ~(quantization - 1); in NearLosslessComponent()
155 const int upper = lower + quantization; in NearLosslessComponent()
165 return lower + (quantization >> 1); in NearLosslessComponent()
174 return lower + (quantization >> 1); in NearLosslessComponent()
192 int quantization; in NearLossless() local
199 quantization = max_quantization; in NearLossless()
200 while (quantization >= max_diff) { in NearLossless()
201 quantization >>= 1; in NearLossless()
207 a = NearLosslessComponent(value >> 24, predict >> 24, 0xff, quantization); in NearLossless()
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| /third_party/skia/third_party/externals/libjpeg-turbo/ |
| D | wizard.txt | 21 jcparam.c. At very low quality settings, some quantization table entries
22 can get scaled up to values exceeding 255. Although 2-byte quantization
26 quantization values to no more than 255 by giving the -baseline switch.
30 You can substitute a different set of quantization values by using the
33 -qtables file Use the quantization tables given in the named file.
35 The specified file should be a text file containing decimal quantization
44 duplicates the default quantization tables:
73 the quantization values are constrained to the range 1-255.
75 By default, cjpeg will use quantization table 0 for luminance components and
79 -qslots N[,...] Select which quantization table to use for
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| D | usage.txt | 71 -quality N[,...] Scale quantization tables to adjust image quality.
111 -quality 100 will generate a quantization table of all 1's, minimizing loss
112 in the quantization step (but there is still information loss in subsampling,
122 quantization tables, which are considered optional in the JPEG standard.
129 separate settings for every quantization table slot.) The principle is the
141 quantization table slots. If there are more q-table slots than parameters,
145 customized) quantization tables can be set with the -qtables option and
242 -baseline Force baseline-compatible quantization tables to be
243 generated. This clamps quantization values to 8 bits
249 -qtables file Use the quantization tables given in the specified
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| D | structure.txt | 75 and color quantization. This code can be omitted if not needed.
107 * MCU assembly, DCT, quantization.
126 * Optional color quantization (e.g., reduction to 256 colors).
138 conversion, and color quantization might all be done at once when using a
169 For example, two different color quantization algorithms could be implemented
337 * Forward DCT and quantization: Perform DCT, quantize, and emit coefficients.
341 the conversion to zigzag order within the quantization step.)
397 |-- Color quantization
433 * Postprocessing controller: buffer controller for the color quantization
434 input buffer, when quantization is in use. (Without quantization, this
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| D | change.log | 99 quantization table slot).
203 DCT coefficient quantization tables are now stored in normal array order
205 or otherwise manipulates quantization tables directly, will need to be
328 * JPEG abbreviated datastream formats are supported, ie, quantization and
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| D | libjpeg.txt | 80 and color quantization. The application indirectly selects use of this code
83 library automatically invokes color quantization.
239 quantization to deliver colormapped output.) If you request colormapped
625 quantization, jpeg_start_decompress() will do everything needed before data
655 relevant parameters (scaling, output color space, and quantization flag).
753 behavior. Two-pass color quantization is also not supported by this function.
754 Calling jpeg_skip_scanlines() with two-pass color quantization enabled will
906 Constructs JPEG quantization tables appropriate for the indicated
910 in future IJG releases as more is learned about DCT quantization.
911 If the force_baseline parameter is TRUE, then the quantization table
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| /third_party/ffmpeg/libavcodec/ |
| D | dxva2_av1.c | 181 pp->quantization.delta_q_present = frame_header->delta_q_present; in fill_picture_parameters()
182 pp->quantization.delta_q_res = frame_header->delta_q_res; in fill_picture_parameters()
183 pp->quantization.base_qindex = frame_header->base_q_idx; in fill_picture_parameters()
184 pp->quantization.y_dc_delta_q = frame_header->delta_q_y_dc; in fill_picture_parameters()
185 pp->quantization.u_dc_delta_q = frame_header->delta_q_u_dc; in fill_picture_parameters()
186 pp->quantization.v_dc_delta_q = frame_header->delta_q_v_dc; in fill_picture_parameters()
187 pp->quantization.u_ac_delta_q = frame_header->delta_q_u_ac; in fill_picture_parameters()
188 pp->quantization.v_ac_delta_q = frame_header->delta_q_v_ac; in fill_picture_parameters()
189 pp->quantization.qm_y = frame_header->using_qmatrix ? frame_header->qm_y : 0xFF; in fill_picture_parameters()
190 pp->quantization.qm_u = frame_header->using_qmatrix ? frame_header->qm_u : 0xFF; in fill_picture_parameters()
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| D | cfhdenc.c | 220 unsigned quantization[SUBBAND_COUNT]; member
378 int height, unsigned quantization) in quantize_band() argument
380 const int16_t factor = (uint32_t)(1U << 15) / quantization; in quantize_band()
661 …s->plane[p].quantization[1 + l * 3 + i] = quantization_per_subband[avctx->pix_fmt != AV_PIX_FMT_YU… in cfhd_encode_frame()
730 bytestream2_put_be16(pby, s->plane[p].quantization[1 + l * 3 + i]); in cfhd_encode_frame()
739 s->plane[p].quantization[1 + l * 3 + i]); in cfhd_encode_frame()
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| D | sonic.c | 55 double quantization; member
615 s->quantization = 0.0; in sonic_encode_init()
621 s->quantization = 1.0; in sonic_encode_init()
814 quant = (int)(BASE_QUANT*s->quantization*energy2/SAMPLE_FACTOR); in sonic_encode_frame()
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| D | v4l2_buffers.c | 124 buf->context->format.fmt.pix_mp.quantization : in v4l2_get_color_range()
125 buf->context->format.fmt.pix.quantization; in v4l2_get_color_range()
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| /third_party/gstreamer/gstplugins_bad/sys/d3d11/ |
| D | gstd3d11av1dec.cpp | 223 } quantization; member
971 pic_params->quantization.delta_q_present = in gst_d3d11_av1_dec_start_picture()
973 pic_params->quantization.delta_q_res = in gst_d3d11_av1_dec_start_picture()
975 pic_params->quantization.base_qindex = in gst_d3d11_av1_dec_start_picture()
977 pic_params->quantization.y_dc_delta_q = in gst_d3d11_av1_dec_start_picture()
979 pic_params->quantization.u_dc_delta_q = in gst_d3d11_av1_dec_start_picture()
981 pic_params->quantization.v_dc_delta_q = in gst_d3d11_av1_dec_start_picture()
983 pic_params->quantization.u_ac_delta_q = in gst_d3d11_av1_dec_start_picture()
985 pic_params->quantization.v_ac_delta_q = in gst_d3d11_av1_dec_start_picture()
988 pic_params->quantization.qm_y = frame_hdr->quantization_params.qm_y; in gst_d3d11_av1_dec_start_picture()
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| /third_party/ffmpeg/doc/ |
| D | lexicon | 22 qp: quantization parameter
27 vq: vector quantization
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| D | codecs.texi | 392 per-block quantization parameter (QP)
430 sum of squared quantization errors (avoid, low quality)
467 sum of squared quantization errors (avoid, low quality)
504 sum of squared quantization errors (avoid, low quality)
541 sum of squared quantization errors (avoid, low quality)
605 sum of squared quantization errors (avoid, low quality)
790 sum of squared quantization errors (avoid, low quality)
874 Set rate-distortion optimal quantization.
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| /third_party/skia/third_party/externals/opengl-registry/extensions/SGIX/ |
| D | SGIX_mpeg2.txt | 110 may make use of two chrominance quantization tables:
114 quantization tables introduced in SGIX_mpeg1. The chrominance
115 quantization tables may be used and changed during the
206 extension, we specify which quantization tables and predictors are
210 MPEG_IFIELD_BOTTOM_SGIX, the quantization table
211 PACK_MPEG_INTRA_QUANT_SGIX is used. The quantization table
216 MPEG_PFIELD_BOTTOM_SGIX, the quantization table
229 MPEG_PFIELD_BOTTOM_SGIX, the quantization table
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| /third_party/openGLES/extensions/SGIX/ |
| D | SGIX_mpeg2.txt | 110 may make use of two chrominance quantization tables:
114 quantization tables introduced in SGIX_mpeg1. The chrominance
115 quantization tables may be used and changed during the
206 extension, we specify which quantization tables and predictors are
210 MPEG_IFIELD_BOTTOM_SGIX, the quantization table
211 PACK_MPEG_INTRA_QUANT_SGIX is used. The quantization table
216 MPEG_PFIELD_BOTTOM_SGIX, the quantization table
229 MPEG_PFIELD_BOTTOM_SGIX, the quantization table
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| /third_party/astc-encoder/Docs/ |
| D | Terminology.md | 32 any quantization is applied. For example, integer weights in the 0-64 range can
35 **Quant uvalues** represent the unpacked numeric value after any quantization
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| D | FormatOverview.md | 154 **Note:** We could have chosen to round-up the quantization level to the next
253 quantization level.
256 The endpoint modes, and the endpoint color BISE quantization level, can be
305 The number of texel weights, and the weight value BISE quantization level, can
344 partitions, endpoint mode, and stored quantization level) and weights (number
345 of weights per block, use of dual-plane, and stored quantization level) on a
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| /third_party/gstreamer/gstplugins_bad/gst/dvbsubenc/libimagequant/ |
| D | README.md | 48 3. Perform quantization (generate palette).
75 There are 3 ways to create image object for quantization:
143 Creates image object that represents a bitmap later used for quantization and remapping. The bitmap…
181 Performs quantization (palette generation) based on settings in `attr` and pixels of the image.
183 Returns `NULL` if quantization fails, e.g. due to limit set in `liq_set_quality()`.
248 Higher speed levels disable expensive algorithms and reduce quantization precision. The default spe…
256 <tr><th>Additional quantization techniques</th><td>1-6</td></tr>
367 Returns mean square error of quantization (square of difference between pixel values in the origina…
377 Analoguous to `liq_get_quantization_error()`, but returns quantization error as quality value in th…
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| /third_party/skia/third_party/externals/libjpeg-turbo/simd/x86_64/ |
| D | jquanti-sse2.asm | 2 ; jquanti.asm - sample data conversion and quantization (64-bit SSE2)
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| /third_party/skia/third_party/externals/libjpeg-turbo/simd/i386/ |
| D | jquanti-sse2.asm | 2 ; jquanti.asm - sample data conversion and quantization (SSE2)
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| D | jquant-mmx.asm | 2 ; jquant.asm - sample data conversion and quantization (MMX)
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| D | jquanti-avx2.asm | 2 ; jquanti.asm - sample data conversion and quantization (AVX2)
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| /third_party/vk-gl-cts/external/vulkan-docs/src/appendices/ |
| D | VK_EXT_conservative_rasterization.txt | 64 Degenerate lines are those with zero length after quantization.
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| D | VK_KHR_sampler_ycbcr_conversion.txt | 88 - Reflected quantization changes in BT.2100-1
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| /third_party/openh264/ |
| D | README.md | 9 - Rate control with adaptive quantization, or constant quantization
|