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/third_party/flutter/skia/third_party/externals/libwebp/src/enc/
Dpredictor_enc.c151 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/libwebp/src/enc/
Dpredictor_enc.c151 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/
Dwizard.txt21 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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Dusage.txt71 -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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/third_party/libjpeg-turbo/
Dwizard.txt21 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
[all …]
Dusage.txt71 -quality N[,...] Scale quantization tables to adjust image quality.
108 -quality 100 will generate a quantization table of all 1's, minimizing loss
109 in the quantization step (but there is still information loss in subsampling,
119 quantization tables, which are considered optional in the JPEG standard.
126 separate settings for every quantization table slot.) The principle is the
138 quantization table slots. If there are more q-table slots than parameters,
142 customized) quantization tables can be set with the -qtables option and
239 -baseline Force baseline-compatible quantization tables to be
240 generated. This clamps quantization values to 8 bits
246 -qtables file Use the quantization tables given in the specified
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Dstructure.txt75 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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/third_party/flutter/skia/third_party/externals/libjpeg-turbo/
Dwizard.txt21 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
[all …]
Dusage.txt73 -quality N[,...] Scale quantization tables to adjust image quality.
113 -quality 100 will generate a quantization table of all 1's, minimizing loss
114 in the quantization step (but there is still information loss in subsampling,
124 quantization tables, which are considered optional in the JPEG standard.
131 separate settings for every quantization table slot.) The principle is the
143 quantization table slots. If there are more q-table slots than parameters,
147 customized) quantization tables can be set with the -qtables option and
236 -baseline Force baseline-compatible quantization tables to be
237 generated. This clamps quantization values to 8 bits
243 -qtables file Use the quantization tables given in the specified
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/third_party/ffmpeg/libavcodec/
Ddxva2_av1.c181 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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Dcfhdenc.c220 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()
/third_party/gstreamer/gstplugins_bad/sys/d3d11/
Dgstd3d11av1dec.cpp223 } 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/
Dlexicon22 qp: quantization parameter
27 vq: vector quantization
/third_party/openGLES/extensions/SGIX/
DSGIX_mpeg2.txt110 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
/third_party/skia/third_party/externals/opengl-registry/extensions/SGIX/
DSGIX_mpeg2.txt110 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
/third_party/gstreamer/gstplugins_bad/gst/dvbsubenc/libimagequant/
DREADME.md48 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…
/third_party/flutter/skia/third_party/externals/libjpeg-turbo/simd/x86_64/
Djquanti-sse2.asm2 ; jquanti.asm - sample data conversion and quantization (64-bit SSE2)
/third_party/libjpeg-turbo/simd/x86_64/
Djquanti-sse2.asm2 ; jquanti.asm - sample data conversion and quantization (64-bit SSE2)
/third_party/skia/third_party/externals/libjpeg-turbo/simd/x86_64/
Djquanti-sse2.asm2 ; jquanti.asm - sample data conversion and quantization (64-bit SSE2)
/third_party/libjpeg-turbo/simd/i386/
Djquanti-sse2.asm2 ; jquanti.asm - sample data conversion and quantization (SSE2)
Djquant-mmx.asm2 ; jquant.asm - sample data conversion and quantization (MMX)
/third_party/skia/third_party/externals/libjpeg-turbo/simd/i386/
Djquanti-sse2.asm2 ; jquanti.asm - sample data conversion and quantization (SSE2)
Djquant-mmx.asm2 ; jquant.asm - sample data conversion and quantization (MMX)
/third_party/flutter/skia/third_party/externals/libjpeg-turbo/simd/i386/
Djquanti-sse2.asm2 ; jquanti.asm - sample data conversion and quantization (SSE2)
Djquant-mmx.asm2 ; jquant.asm - sample data conversion and quantization (MMX)

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