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Searched refs:bytestream (Results 1 – 25 of 73) sorted by relevance

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/third_party/ffmpeg/libavcodec/
Dvcr1.c54 const uint8_t *bytestream = avpkt->data; in vcr1_decode_frame() local
55 const uint8_t *bytestream_end = bytestream + avpkt->size; in vcr1_decode_frame()
69 a->delta[i] = *bytestream++; in vcr1_decode_frame()
70 bytestream++; in vcr1_decode_frame()
81 av_assert0 (bytestream_end - bytestream >= 4 + avctx->width); in vcr1_decode_frame()
84 a->offset[i] = *bytestream++; in vcr1_decode_frame()
86 offset = a->offset[0] - a->delta[bytestream[2] & 0xF]; in vcr1_decode_frame()
88 luma[0] = offset += a->delta[bytestream[2] & 0xF]; in vcr1_decode_frame()
89 luma[1] = offset += a->delta[bytestream[2] >> 4]; in vcr1_decode_frame()
90 luma[2] = offset += a->delta[bytestream[0] & 0xF]; in vcr1_decode_frame()
[all …]
Dpnmdec.c52 s->bytestream = (uint8_t *)buf; in pnm_decode_frame()
128 if (n * avctx->height > s->bytestream_end - s->bytestream) in pnm_decode_frame()
138 … while(s->bytestream < s->bytestream_end && (*s->bytestream < '0' || *s->bytestream > '9' )) in pnm_decode_frame()
139 s->bytestream++; in pnm_decode_frame()
140 if(s->bytestream >= s->bytestream_end) in pnm_decode_frame()
144 v = (*s->bytestream++)&1; in pnm_decode_frame()
149 c = (*s->bytestream++) - '0'; in pnm_decode_frame()
168 samplecpy(ptr, s->bytestream, n, s->maxval); in pnm_decode_frame()
172 ptr[j] = (s->bytestream[j] * f + 64) >> 7; in pnm_decode_frame()
176 v = AV_RB16(s->bytestream + 2*j); in pnm_decode_frame()
[all …]
Dpnmenc.c31 uint8_t *bytestream, *bytestream_start, *bytestream_end; in pnm_encode_frame() local
41 bytestream = pkt->data; in pnm_encode_frame()
88 snprintf(bytestream, bytestream_end - bytestream, in pnm_encode_frame()
90 bytestream += strlen(bytestream); in pnm_encode_frame()
92 snprintf(bytestream, bytestream_end - bytestream, in pnm_encode_frame()
94 bytestream += strlen(bytestream); in pnm_encode_frame()
98 snprintf(bytestream, bytestream_end - bytestream, in pnm_encode_frame()
100 bytestream += strlen(bytestream); in pnm_encode_frame()
110 AV_WN32(bytestream + 0, av_float2int(r[j])); in pnm_encode_frame()
111 AV_WN32(bytestream + 4, av_float2int(g[j])); in pnm_encode_frame()
[all …]
Dpnm.c41 uint8_t *bs = sc->bytestream; in pnm_get()
62 sc->bytestream = bs; in pnm_get()
71 if (s->bytestream_end - s->bytestream < 3 || in ff_pnm_decode_header()
72 s->bytestream[0] != 'P' || in ff_pnm_decode_header()
73 (s->bytestream[1] < '1' || in ff_pnm_decode_header()
74 s->bytestream[1] > '7' && in ff_pnm_decode_header()
75 s->bytestream[1] != 'f' && in ff_pnm_decode_header()
76 s->bytestream[1] != 'F')) { in ff_pnm_decode_header()
77 s->bytestream += s->bytestream_end > s->bytestream; in ff_pnm_decode_header()
78 s->bytestream += s->bytestream_end > s->bytestream; in ff_pnm_decode_header()
[all …]
Dcabac.c167 c->bytestream= buf; in ff_init_cabac_decoder()
171 c->low = (*c->bytestream++)<<18; in ff_init_cabac_decoder()
172 c->low+= (*c->bytestream++)<<10; in ff_init_cabac_decoder()
176 if(((uintptr_t)c->bytestream & 1) == 0) { in ff_init_cabac_decoder()
180 c->low += ((*c->bytestream++) << 2) + 2; in ff_init_cabac_decoder()
183 c->low = (*c->bytestream++)<<10; in ff_init_cabac_decoder()
184 c->low+= ((*c->bytestream++)<<2) + 2; in ff_init_cabac_decoder()
Dpamenc.c28 uint8_t *bytestream_start, *bytestream, *bytestream_end; in pam_encode_frame() local
98 bytestream = pkt->data; in pam_encode_frame()
101 snprintf(bytestream, bytestream_end - bytestream, in pam_encode_frame()
104 bytestream += strlen(bytestream); in pam_encode_frame()
113 *bytestream++ = ptr[j >> 3] >> (7 - j & 7) & 1; in pam_encode_frame()
118 memcpy(bytestream, ptr, n); in pam_encode_frame()
119 bytestream += n; in pam_encode_frame()
124 pkt->size = bytestream - bytestream_start; in pam_encode_frame()
Dcabac_functions.h61 c->low+= (c->bytestream[0]<<9) + (c->bytestream[1]<<1); in refill()
63 c->low+= c->bytestream[0]<<1; in refill()
67 if (c->bytestream < c->bytestream_end) in refill()
69 c->bytestream += CABAC_BITS / 8; in refill()
97 x+= (c->bytestream[0]<<9) + (c->bytestream[1]<<1); in refill2()
99 x+= c->bytestream[0]<<1; in refill2()
104 if (c->bytestream < c->bytestream_end) in refill2()
106 c->bytestream += CABAC_BITS/8; in refill2()
188 return c->bytestream - c->bytestream_start; in get_cabac_terminate()
199 const uint8_t *ptr = c->bytestream; in skip_bytes()
Dgif.c293 uint8_t **bytestream, uint8_t *end, in gif_image_write_image() argument
335 bytestream_put_buffer(bytestream, gif89a_sig, sizeof(gif89a_sig)); in gif_image_write_image()
336 bytestream_put_le16(bytestream, avctx->width); in gif_image_write_image()
337 bytestream_put_le16(bytestream, avctx->height); in gif_image_write_image()
341 …bytestream_put_byte(bytestream, ((uint8_t) s->use_global_palette << 7) | 0x70 | (s->use_global_pal… in gif_image_write_image()
342 …bytestream_put_byte(bytestream, bcid < 0 ? DEFAULT_TRANSPARENCY_INDEX : bcid); /* background color… in gif_image_write_image()
343 bytestream_put_byte(bytestream, aspect); in gif_image_write_image()
347 bytestream_put_be24(bytestream, v); in gif_image_write_image()
370 bytestream_put_byte(bytestream, GIF_EXTENSION_INTRODUCER); in gif_image_write_image()
371 bytestream_put_byte(bytestream, GIF_GCE_EXT_LABEL); in gif_image_write_image()
[all …]
Drangecoder.h43 uint8_t *bytestream; member
69 *c->bytestream++ = c->outstanding_byte; in renorm_encoder()
71 *c->bytestream++ = 0xFF; in renorm_encoder()
74 *c->bytestream++ = c->outstanding_byte + 1; in renorm_encoder()
76 *c->bytestream++ = 0x00; in renorm_encoder()
89 int x = c->bytestream - c->bytestream_start + c->outstanding_count; in get_rac_count()
119 if (c->bytestream < c->bytestream_end) { in refill()
120 c->low += c->bytestream[0]; in refill()
121 c->bytestream++; in refill()
Dfitsenc.c41 uint8_t *bytestream, *bytestream_start, *ptr; in fits_encode_frame() local
87 bytestream = pkt->data; in fits_encode_frame()
95 bytestream_put_be16(&bytestream, AV_RB16(ptr) ^ flip); in fits_encode_frame()
99 memcpy(bytestream, ptr, avctx->width); in fits_encode_frame()
100 bytestream += avctx->width; in fits_encode_frame()
106 memset(bytestream, 0, bytes_left); in fits_encode_frame()
107 bytestream += bytes_left; in fits_encode_frame()
109 pkt->size = bytestream - bytestream_start; in fits_encode_frame()
Dpnm_parser.c64 pnmctx.bytestream = pc->buffer; in pnm_parse()
68 pnmctx.bytestream = (uint8_t *) buf + skip; /* casts avoid warnings */ in pnm_parse()
72 if (pnmctx.bytestream < pnmctx.bytestream_end) { in pnm_parse()
77 unsigned step = FFMAX(1, pnmctx.bytestream - pnmctx.bytestream_start); in pnm_parse()
84 uint8_t *bs = pnmctx.bytestream; in pnm_parse()
110 pnmpc->ascii_scan = sync - pnmctx.bytestream + skip; in pnm_parse()
113 next = pnmctx.bytestream - pnmctx.bytestream_start + skip; in pnm_parse()
Dpngenc.c52 uint8_t *bytestream; member
251 png_write_chunk(&s->bytestream, MKTAG('I', 'D', 'A', 'T'), buf, length); in png_write_image_data()
255 bytestream_put_be32(&s->bytestream, length + 4); in png_write_image_data()
257 bytestream_put_be32(&s->bytestream, MKBETAG('f', 'd', 'A', 'T')); in png_write_image_data()
258 bytestream_put_be32(&s->bytestream, s->sequence_number); in png_write_image_data()
259 crc = av_crc(crc_table, crc, s->bytestream - 8, 8); in png_write_image_data()
262 memcpy(s->bytestream, buf, length); in png_write_image_data()
263 s->bytestream += length; in png_write_image_data()
265 bytestream_put_be32(&s->bytestream, ~crc); in png_write_image_data()
283 if (s->bytestream_end - s->bytestream > IOBUF_SIZE + 100) in png_write_row()
[all …]
Drangecoder.c45 c->bytestream = buf; in ff_init_range_encoder()
59 c->low = AV_RB16(c->bytestream); in ff_init_range_decoder()
60 c->bytestream += 2; in ff_init_range_decoder()
64 c->bytestream_end = c->bytestream; in ff_init_range_decoder()
122 return c->bytestream - c->bytestream_start; in ff_rac_terminate()
Ddirac_arith.c103 c->bytestream = gb->buffer + get_bits_count(gb)/8; in ff_dirac_init_arith_decoder()
104 c->bytestream_end = c->bytestream + length; in ff_dirac_init_arith_decoder()
110 if (c->bytestream < c->bytestream_end) in ff_dirac_init_arith_decoder()
111 c->low |= *c->bytestream++; in ff_dirac_init_arith_decoder()
Dlagarithrac.h47 const uint8_t *bytestream; /**< Current position in input bytestream. */ member
65 l->low |= 0xff & (AV_RB16(l->bytestream) >> 1); in lag_rac_refill()
66 if (l->bytestream < l->bytestream_end) in lag_rac_refill()
67 l->bytestream++; in lag_rac_refill()
Ddirac_arith.h80 const uint8_t *bytestream; member
113 int new = bytestream_get_be16(&c->bytestream); in refill()
116 if (c->bytestream > c->bytestream_end) { in refill()
118 if (c->bytestream > c->bytestream_end+1) in refill()
121 c->bytestream = c->bytestream_end; in refill()
Dlagarithrac.c43 l->bytestream = gb->buffer + get_bits_count(gb) / 8; in ff_lag_rac_init()
47 l->low = *l->bytestream >> 1; in ff_lag_rac_init()
Dpnm.h28 uint8_t *bytestream; member
/third_party/ffmpeg/libavcodec/tests/
Drangecoder.c42 if (c->bytestream == tmp.bytestream && c->bytestream > c->bytestream_start) in rac_check_termination()
43 tmp.low -= *--tmp.bytestream; in rac_check_termination()
44 tmp.bytestream_end = tmp.bytestream; in rac_check_termination()
49 if (c->bytestream_end != c->bytestream) in rac_check_termination()
94 if (c.bytestream - c.bytestream_start - actual_length != version) { in main()
/third_party/ffmpeg/libavformat/
Dmsnwc_tcp.c46 const uint8_t *bytestream = p->buf + i; in msnwc_tcp_probe() local
48 if (bytestream_get_le16(&bytestream) != HEADER_SIZE) in msnwc_tcp_probe()
50 width = bytestream_get_le16(&bytestream); in msnwc_tcp_probe()
51 height = bytestream_get_le16(&bytestream); in msnwc_tcp_probe()
55 bytestream += 2; // keyframe in msnwc_tcp_probe()
56 bytestream += 4; // size in msnwc_tcp_probe()
57 fourcc = bytestream_get_le32(&bytestream); in msnwc_tcp_probe()
/third_party/mindspore/tests/ut/python/mindrecord/
Dtest_mnist_to_mr.py103 with gzip.open(filename) as bytestream:
104 bytestream.read(16)
105 buf = bytestream.read(
114 with gzip.open(filename) as bytestream:
115 bytestream.read(8)
116 buf = bytestream.read(1 * num_images)
/third_party/gstreamer/gstreamer/docs/random/
Dtypefind7 bytestream.
9 2) Typefinding, bytestream & autoplugging:
12 bytestream:
14 currently, bytestream collects incoming buffers and adds
26 Surely, this does not mean that bytestream will read any
72 to take care that the state of the bytestream is exactly the
74 skip (and therefore lose) data. If the bytestream supports
80 the bytestream and for emptying the cache and reusing it in the
/third_party/mindspore/mindspore/mindrecord/tools/
Dmnist_to_mr.py84 with gzip.open(real_file_path) as bytestream:
85 bytestream.read(16)
86 buf = bytestream.read()
94 with gzip.open(real_file_path) as bytestream:
95 bytestream.read(8)
96 buf = bytestream.read()
/third_party/ffmpeg/libavcodec/x86/
Dcabac.h204 "i"(offsetof(CABACContext, bytestream)), in get_cabac_inline_x86()
253 "i"(offsetof(CABACContext, bytestream)), in get_cabac_bypass_sign_x86()
293 "i"(offsetof(CABACContext, bytestream)), in get_cabac_bypass_x86()
Dh264_cabac.c113 "i"(offsetof(CABACContext, bytestream)), in decode_significance_x86()
199 "i"(offsetof(CABACContext, bytestream)), in decode_significance_8x8_x86()

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