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Searched refs:gbc (Results 1 – 25 of 59) sorted by relevance

123

/third_party/ffmpeg/libavcodec/
Dqdrw.c48 static int parse_palette(AVCodecContext *avctx, GetByteContext *gbc, in parse_palette() argument
55 unsigned int idx = bytestream2_get_be16(gbc); /* color index */ in parse_palette()
59 bytestream2_skip(gbc, 6); in parse_palette()
64 r = bytestream2_get_byte(gbc); in parse_palette()
65 bytestream2_skip(gbc, 1); in parse_palette()
66 g = bytestream2_get_byte(gbc); in parse_palette()
67 bytestream2_skip(gbc, 1); in parse_palette()
68 b = bytestream2_get_byte(gbc); in parse_palette()
69 bytestream2_skip(gbc, 1); in parse_palette()
75 static int decode_rle_bpp2(AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc) in decode_rle_bpp2() argument
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Deac3dec.c201 GetBitContext *gbc = &s->gbc; in ff_eac3_decode_transform_coeffs_aht_ch() local
204 gaq_mode = get_bits(gbc, 2); in ff_eac3_decode_transform_coeffs_aht_ch()
214 gaq_gain[gs++] = get_bits1(gbc) << (gaq_mode-1); in ff_eac3_decode_transform_coeffs_aht_ch()
222 int group_code = get_bits(gbc, 5); in ff_eac3_decode_transform_coeffs_aht_ch()
247 int v = get_bits(gbc, bits); in ff_eac3_decode_transform_coeffs_aht_ch()
262 int mant = get_sbits(gbc, gbits); in ff_eac3_decode_transform_coeffs_aht_ch()
267 mant = get_sbits(gbc, mbits); in ff_eac3_decode_transform_coeffs_aht_ch()
296 GetBitContext *gbc = &s->gbc; in ff_eac3_parse_header() local
326 skip_bits(gbc, 5); // skip bitstream id in ff_eac3_parse_header()
330 s->dialog_normalization[i] = -get_bits(gbc, 5); in ff_eac3_parse_header()
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Dadts_header.c30 int ff_adts_header_parse(GetBitContext *gbc, AACADTSHeaderInfo *hdr) in ff_adts_header_parse() argument
35 if (get_bits(gbc, 12) != 0xfff) in ff_adts_header_parse()
38 skip_bits1(gbc); /* id */ in ff_adts_header_parse()
39 skip_bits(gbc, 2); /* layer */ in ff_adts_header_parse()
40 crc_abs = get_bits1(gbc); /* protection_absent */ in ff_adts_header_parse()
41 aot = get_bits(gbc, 2); /* profile_objecttype */ in ff_adts_header_parse()
42 sr = get_bits(gbc, 4); /* sample_frequency_index */ in ff_adts_header_parse()
45 skip_bits1(gbc); /* private_bit */ in ff_adts_header_parse()
46 ch = get_bits(gbc, 3); /* channel_configuration */ in ff_adts_header_parse()
48 skip_bits1(gbc); /* original/copy */ in ff_adts_header_parse()
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Dfmvc.c61 GetByteContext gbc; in decode_type2() local
85 … bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start); in decode_type2()
86 bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET); in decode_type2()
88 bytestream2_put_byte(pb, bytestream2_get_byte(&gbc)); in decode_type2()
89 bytestream2_put_byte(pb, bytestream2_get_byte(&gbc)); in decode_type2()
90 bytestream2_put_byte(pb, bytestream2_get_byte(&gbc)); in decode_type2()
130 bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start); in decode_type2()
131 bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET); in decode_type2()
133 bytestream2_put_byte(pb, bytestream2_get_byte(&gbc)); in decode_type2()
134 bytestream2_put_byte(pb, bytestream2_get_byte(&gbc)); in decode_type2()
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Dtdsc.c54 GetByteContext gbc; member
197 ctx->cursor_hot_x = bytestream2_get_le16(&ctx->gbc); in tdsc_load_cursor()
198 ctx->cursor_hot_y = bytestream2_get_le16(&ctx->gbc); in tdsc_load_cursor()
199 ctx->cursor_w = bytestream2_get_le16(&ctx->gbc); in tdsc_load_cursor()
200 ctx->cursor_h = bytestream2_get_le16(&ctx->gbc); in tdsc_load_cursor()
203 cursor_fmt = bytestream2_get_le32(&ctx->gbc); in tdsc_load_cursor()
238 uint32_t bits = bytestream2_get_be32(&ctx->gbc); in tdsc_load_cursor()
251 uint32_t bits = bytestream2_get_be32(&ctx->gbc); in tdsc_load_cursor()
283 bytestream2_skip(&ctx->gbc, in tdsc_load_cursor()
288 int val = bytestream2_get_be32(&ctx->gbc); in tdsc_load_cursor()
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Ddds.c102 GetByteContext gbc; member
115 GetByteContext *gbc = &ctx->gbc; in parse_pixel_format() local
122 bytestream2_skip(gbc, 4 * 3); in parse_pixel_format()
123 gimp_tag = bytestream2_get_le32(gbc); in parse_pixel_format()
127 bytestream2_skip(gbc, 4 * 7); in parse_pixel_format()
130 size = bytestream2_get_le32(gbc); in parse_pixel_format()
135 flags = bytestream2_get_le32(gbc); in parse_pixel_format()
139 fourcc = bytestream2_get_le32(gbc); in parse_pixel_format()
147 bpp = ctx->bpp = bytestream2_get_le32(gbc); // rgbbitcount in parse_pixel_format()
148 r = bytestream2_get_le32(gbc); // rbitmask in parse_pixel_format()
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Dac3_parser.c57 int ff_ac3_parse_header(GetBitContext *gbc, AC3HeaderInfo *hdr) in ff_ac3_parse_header() argument
63 hdr->sync_word = get_bits(gbc, 16); in ff_ac3_parse_header()
68 hdr->bitstream_id = show_bits_long(gbc, 29) & 0x1F; in ff_ac3_parse_header()
84 hdr->crc1 = get_bits(gbc, 16); in ff_ac3_parse_header()
85 hdr->sr_code = get_bits(gbc, 2); in ff_ac3_parse_header()
89 frame_size_code = get_bits(gbc, 6); in ff_ac3_parse_header()
95 skip_bits(gbc, 5); // skip bsid, already got it in ff_ac3_parse_header()
97 hdr->bitstream_mode = get_bits(gbc, 3); in ff_ac3_parse_header()
98 hdr->channel_mode = get_bits(gbc, 3); in ff_ac3_parse_header()
101 hdr->dolby_surround_mode = get_bits(gbc, 2); in ff_ac3_parse_header()
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Drscc.c58 GetByteContext gbc; member
155 GetByteContext *gbc = &ctx->gbc; in rscc_decode_frame() local
162 bytestream2_init(gbc, avpkt->data, avpkt->size); in rscc_decode_frame()
165 if (bytestream2_get_bytes_left(gbc) < 12) { in rscc_decode_frame()
171 tiles_nb = bytestream2_get_le16(gbc); in rscc_decode_frame()
194 packed_tiles_size = bytestream2_get_byte(gbc); in rscc_decode_frame()
196 packed_tiles_size = bytestream2_get_le16(gbc); in rscc_decode_frame()
204 if (bytestream2_get_bytes_left(gbc) < packed_tiles_size) { in rscc_decode_frame()
216 gbc->buffer, packed_tiles_size); in rscc_decode_frame()
225 bytestream2_skip(gbc, packed_tiles_size); in rscc_decode_frame()
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Dcbs_h2645.c32 static int cbs_read_ue_golomb(CodedBitstreamContext *ctx, GetBitContext *gbc, in cbs_read_ue_golomb() argument
42 position = get_bits_count(gbc); in cbs_read_ue_golomb()
45 if (get_bits_left(gbc) < i + 1) { in cbs_read_ue_golomb()
50 k = get_bits1(gbc); in cbs_read_ue_golomb()
62 k = get_bits1(gbc); in cbs_read_ue_golomb()
84 static int cbs_read_se_golomb(CodedBitstreamContext *ctx, GetBitContext *gbc, in cbs_read_se_golomb() argument
95 position = get_bits_count(gbc); in cbs_read_se_golomb()
98 if (get_bits_left(gbc) < i + 1) { in cbs_read_se_golomb()
103 k = get_bits1(gbc); in cbs_read_se_golomb()
115 k = get_bits1(gbc); in cbs_read_se_golomb()
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Dac3dec.c259 GetBitContext *gbc = &s->gbc; in ac3_parse_header() local
265 s->dialog_normalization[(!s->channel_mode)-i] = -get_bits(gbc, 5); in ac3_parse_header()
274 if (s->compression_exists[(!s->channel_mode)-i] = get_bits1(gbc)) { in ac3_parse_header()
276 AC3_HEAVY_RANGE(get_bits(gbc, 8)); in ac3_parse_header()
278 if (get_bits1(gbc)) in ac3_parse_header()
279 skip_bits(gbc, 8); //skip language code in ac3_parse_header()
280 if (get_bits1(gbc)) in ac3_parse_header()
281 skip_bits(gbc, 7); //skip audio production information in ac3_parse_header()
284 skip_bits(gbc, 2); //skip copyright bit and original bitstream bit in ac3_parse_header()
288 if (get_bits1(gbc)) in ac3_parse_header()
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Dhapdec.c48 GetByteContext *gbc = &ctx->gbc; in hap_parse_decode_instructions() local
55 int stream_remaining = bytestream2_get_bytes_left(gbc); in hap_parse_decode_instructions()
56 ret = ff_hap_parse_section_header(gbc, &section_size, &section_type); in hap_parse_decode_instructions()
60 size -= stream_remaining - bytestream2_get_bytes_left(gbc); in hap_parse_decode_instructions()
68 ctx->chunks[i].compressor = bytestream2_get_byte(gbc) << 4; in hap_parse_decode_instructions()
78 ctx->chunks[i].compressed_size = bytestream2_get_le32(gbc); in hap_parse_decode_instructions()
88 ctx->chunks[i].compressed_offset = bytestream2_get_le32(gbc); in hap_parse_decode_instructions()
133 GetByteContext *gbc = &ctx->gbc; in hap_parse_frame_header() local
139 ret = ff_hap_parse_section_header(gbc, &ctx->texture_section_size, &section_type); in hap_parse_frame_header()
170 ret = ff_hap_parse_section_header(gbc, &section_size, &section_type); in hap_parse_frame_header()
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Dcanopus.c33 GetByteContext gbc; in ff_canopus_parse_info_tag() local
36 bytestream2_init(&gbc, src, size); in ff_canopus_parse_info_tag()
39 bytestream2_skip(&gbc, 8); // unknown, 16 bits 1 in ff_canopus_parse_info_tag()
40 par_x = bytestream2_get_le32(&gbc); in ff_canopus_parse_info_tag()
41 par_y = bytestream2_get_le32(&gbc); in ff_canopus_parse_info_tag()
51 bytestream2_skip(&gbc, 16); // unknown RDRT tag in ff_canopus_parse_info_tag()
54 bytestream2_skip(&gbc, 8); // 'FIEL' and 4 bytes 0 in ff_canopus_parse_info_tag()
55 field_order = bytestream2_get_le32(&gbc); in ff_canopus_parse_info_tag()
Dcbs_av1.c29 static int cbs_av1_read_uvlc(CodedBitstreamContext *ctx, GetBitContext *gbc, in cbs_av1_read_uvlc() argument
37 position = get_bits_count(gbc); in cbs_av1_read_uvlc()
41 if (get_bits_left(gbc) < 1) { in cbs_av1_read_uvlc()
47 if (get_bits1(gbc)) in cbs_av1_read_uvlc()
55 if (get_bits_left(gbc) < zeroes) { in cbs_av1_read_uvlc()
61 bits_value = get_bits_long(gbc, zeroes); in cbs_av1_read_uvlc()
147 static int cbs_av1_read_leb128(CodedBitstreamContext *ctx, GetBitContext *gbc, in cbs_av1_read_leb128() argument
154 position = get_bits_count(gbc); in cbs_av1_read_leb128()
160 err = ff_cbs_read_unsigned(ctx, gbc, 8, "leb128_byte[i]", subscript, in cbs_av1_read_leb128()
210 static int cbs_av1_read_ns(CodedBitstreamContext *ctx, GetBitContext *gbc, in cbs_av1_read_ns() argument
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Dhap.c57 int ff_hap_parse_section_header(GetByteContext *gbc, int *section_size, in ff_hap_parse_section_header() argument
60 if (bytestream2_get_bytes_left(gbc) < 4) in ff_hap_parse_section_header()
63 *section_size = bytestream2_get_le24(gbc); in ff_hap_parse_section_header()
64 *section_type = bytestream2_get_byte(gbc); in ff_hap_parse_section_header()
67 if (bytestream2_get_bytes_left(gbc) < 4) in ff_hap_parse_section_header()
70 *section_size = bytestream2_get_le32(gbc); in ff_hap_parse_section_header()
73 if (*section_size > bytestream2_get_bytes_left(gbc) || *section_size < 0) in ff_hap_parse_section_header()
Dhq_hqa.c122 const uint8_t *perm, *src = ctx->gbc.buffer; in hq_decode_frame()
147 slice_off[i] = bytestream2_get_be24(&ctx->gbc) - 4; in hq_decode_frame()
250 const uint8_t *src = ctx->gbc.buffer; in hqa_decode_frame()
252 if (bytestream2_get_bytes_left(&ctx->gbc) < 8 + 4*(num_slices + 1)) in hqa_decode_frame()
255 width = bytestream2_get_be16(&ctx->gbc); in hqa_decode_frame()
256 height = bytestream2_get_be16(&ctx->gbc); in hqa_decode_frame()
269 quant = bytestream2_get_byte(&ctx->gbc); in hqa_decode_frame()
270 bytestream2_skip(&ctx->gbc, 3); in hqa_decode_frame()
283 slice_off[i] = bytestream2_get_be32(&ctx->gbc) - 4; in hqa_decode_frame()
313 bytestream2_init(&ctx->gbc, avpkt->data, avpkt->size); in hq_hqa_decode_frame()
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Ddxv.c37 GetByteContext gbc; member
259 if (bytestream2_get_bytes_left(gbc) < 4) \
261 value = bytestream2_get_le32(gbc); \
272 idx = (bytestream2_get_byte(gbc) + 2) * x; \
279 idx = (bytestream2_get_le16(gbc) + 0x102) * x; \
291 GetByteContext *gbc = &ctx->gbc; in dxv_decompress_dxt1() local
297 AV_WL32(ctx->tex_data, bytestream2_get_le32(gbc)); in dxv_decompress_dxt1()
298 AV_WL32(ctx->tex_data + 4, bytestream2_get_le32(gbc)); in dxv_decompress_dxt1()
319 prev = bytestream2_get_le32(gbc); in dxv_decompress_dxt1()
328 prev = bytestream2_get_le32(gbc); in dxv_decompress_dxt1()
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Dhapqa_extract_bsf.c51 GetByteContext gbc; in hapqa_extract() local
62 bytestream2_init(&gbc, pkt->data, pkt->size); in hapqa_extract()
63 ret = ff_hap_parse_section_header(&gbc, &section_size, &section_type); in hapqa_extract()
75 bytestream2_seek(&gbc, start_section_size, SEEK_SET);/* go to start of the first texture */ in hapqa_extract()
77 ret = ff_hap_parse_section_header(&gbc, &section_size, &section_type); in hapqa_extract()
85 bytestream2_seek(&gbc, start_section_size, SEEK_SET);/* go to start of the second texture */ in hapqa_extract()
86 ret = ff_hap_parse_section_header(&gbc, &section_size, &section_type); in hapqa_extract()
Dcbs_vp9.c26 static int cbs_vp9_read_s(CodedBitstreamContext *ctx, GetBitContext *gbc, in cbs_vp9_read_s() argument
35 position = get_bits_count(gbc); in cbs_vp9_read_s()
37 if (get_bits_left(gbc) < width + 1) { in cbs_vp9_read_s()
43 magnitude = get_bits(gbc, width); in cbs_vp9_read_s()
44 sign = get_bits1(gbc); in cbs_vp9_read_s()
94 static int cbs_vp9_read_increment(CodedBitstreamContext *ctx, GetBitContext *gbc, in cbs_vp9_read_increment() argument
104 position = get_bits_count(gbc); in cbs_vp9_read_increment()
107 if (get_bits_left(gbc) < 1) { in cbs_vp9_read_increment()
112 if (get_bits1(gbc)) { in cbs_vp9_read_increment()
171 static int cbs_vp9_read_le(CodedBitstreamContext *ctx, GetBitContext *gbc, in cbs_vp9_read_le() argument
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Dtruehd_core_bsf.c40 GetBitContext gbc; in truehd_core_filter() local
63 ret = init_get_bits8(&gbc, pkt->data + 4, pkt->size - 4); in truehd_core_filter()
67 if (show_bits_long(&gbc, 32) == 0xf8726fba) { in truehd_core_filter()
68 if ((ret = ff_mlp_read_major_sync(ctx, &s->hdr, &gbc)) < 0) in truehd_core_filter()
80 units[i].bits[j] = get_bits1(&gbc); in truehd_core_filter()
82 units[i].offset = get_bits(&gbc, 12); in truehd_core_filter()
89 units[i].optional = get_bits(&gbc, 16); in truehd_core_filter()
94 end = get_bits_count(&gbc) >> 3; in truehd_core_filter()
Deac3_core_bsf.c29 GetBitContext gbc; in eac3_core_filter() local
35 ret = init_get_bits8(&gbc, pkt->data, pkt->size); in eac3_core_filter()
39 ret = ff_ac3_parse_header(&gbc, &hdr); in eac3_core_filter()
51 ret = init_get_bits8(&gbc, pkt->data + hdr.frame_size, pkt->size - hdr.frame_size); in eac3_core_filter()
55 ret = ff_ac3_parse_header(&gbc, &hdr2); in eac3_core_filter()
/third_party/icu/tools/unicodetools/com/ibm/rbm/gui/
DRBGroupPanel.java156 GridBagConstraints gbc = new GridBagConstraints(); in initComponents() local
161 gbc.weightx = 1.0; in initComponents()
162 gbc.weighty = 0.0; in initComponents()
163 gbc.gridwidth = GridBagConstraints.REMAINDER; in initComponents()
164 gbc.fill = GridBagConstraints.HORIZONTAL; in initComponents()
165 add(jLabelGroupTitle, gbc); in initComponents()
166 gbc.weightx = 0.0; in initComponents()
167 gbc.gridwidth = 1; in initComponents()
168 add(jLabelGroupNameTitle, gbc); in initComponents()
169 gbc.weightx = 1.0; in initComponents()
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/third_party/ffmpeg/tools/
Dtarget_bsf_fuzzer.c67 GetByteContext gbc; in LLVMFuzzerTestOneInput() local
71 bytestream2_init(&gbc, data + size, 1024); in LLVMFuzzerTestOneInput()
72 bsf->par_in->width = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
73 bsf->par_in->height = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
74 bsf->par_in->bit_rate = bytestream2_get_le64(&gbc); in LLVMFuzzerTestOneInput()
75 bsf->par_in->bits_per_coded_sample = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
80 id = f->codec_ids[bytestream2_get_byte(&gbc) % i]; in LLVMFuzzerTestOneInput()
82 bsf->par_in->codec_tag = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
85 extradata_size = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
87 bsf->par_in->sample_rate = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
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Dtarget_dec_fuzzer.c318 GetByteContext gbc; in LLVMFuzzerTestOneInput() local
325 bytestream2_init(&gbc, data + size, 1024); in LLVMFuzzerTestOneInput()
326 ctx->width = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
327 ctx->height = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
328 ctx->bit_rate = bytestream2_get_le64(&gbc); in LLVMFuzzerTestOneInput()
329 ctx->bits_per_coded_sample = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
331 flags = bytestream2_get_byte(&gbc); in LLVMFuzzerTestOneInput()
349 extradata_size = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
351 ctx->sample_rate = bytestream2_get_le32(&gbc) & 0x7FFFFFFF; in LLVMFuzzerTestOneInput()
352 …ctx->ch_layout.nb_channels = (unsigned)bytestream2_get_le32(&gbc) % FF_SANE_NB_CHANNE… in LLVMFuzzerTestOneInput()
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Dtarget_dem_fuzzer.c139 GetByteContext gbc; in LLVMFuzzerTestOneInput() local
141 bytestream2_init(&gbc, data + size - 2048, 1024); in LLVMFuzzerTestOneInput()
144 io_buffer_size = bytestream2_get_le32(&gbc) & 0xFFFFFFF; in LLVMFuzzerTestOneInput()
145 flags = bytestream2_get_byte(&gbc); in LLVMFuzzerTestOneInput()
147 filesize = bytestream2_get_le64(&gbc) & 0x7FFFFFFFFFFFFFFF; in LLVMFuzzerTestOneInput()
157 avif_count = bytestream2_get_le32(&gbc) % avif_count; in LLVMFuzzerTestOneInput()
171 interrupt_counter = bytestream2_get_le32(&gbc); in LLVMFuzzerTestOneInput()
/third_party/ffmpeg/libavformat/
Dredspark.c62 GetByteContext gbc; in redspark_read_header() local
89 bytestream2_init(&gbc, header, HEADER_SIZE); in redspark_read_header()
90 bytestream2_seek(&gbc, 0x3c, SEEK_SET); in redspark_read_header()
91 par->sample_rate = bytestream2_get_be32u(&gbc); in redspark_read_header()
97 st->duration = bytestream2_get_be32u(&gbc) * 14; in redspark_read_header()
99 bytestream2_skipu(&gbc, 10); in redspark_read_header()
100 par->ch_layout.nb_channels = bytestream2_get_byteu(&gbc); in redspark_read_header()
106 if (bytestream2_get_byteu(&gbc)) // Loop flag in redspark_read_header()
118 bytestream2_seek(&gbc, coef_off, SEEK_SET); in redspark_read_header()
120 if (bytestream2_get_bufferu(&gbc, par->extradata + i * 32, 32) != 32) { in redspark_read_header()
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