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我正在尝试将 h264 视频逆时针旋转 90 度。显示方向补充增强信息 (SEI) 的语法如下所示:
我首先尝试如下编码:
val prefix = byteArrayOf(0, 0, 0, 1)
val nalHeader = byteArrayOf(6) // 0 forbidden_zero_bit = 0, nal_ref_idc = 0, nal_unit_type = 6
val display = byteArrayOf(47 /* Display orientation type*/, 3 /*payload size*/)
val displayOrientationCancelFlag = "0" // u(1); Rotation information follows
val horFlip = "0" // hor_flip; u(1); Do not flip horizontally
val verFlip = "0" // ver_flip; u(1); Do not flip vertically
val anticlockwiseRotation = "0100000000000000" // u(16); value / 2^16 -> 90 degrees
val displayOrientationRepetitionPeriod = "010" // ue(v); Persistent till next video sequence
val displayOrientationExtensionFlag = "0" // u(1); No other value is permitted by the spec atm
val byteAlignment = "1"
06 2f 03 08 00 09
val byteAlignment = "010000000"
06 2f 03 08 00 08 80
[NULL @ 0x7fca03808a00] Opening 'sei2.264' for reading
[file @ 0x7fca01c289c0] Setting default whitelist 'file,crypto'
Probing h264 score:51 size:1502
Probing mp3 score:1 size:1502
[h264 @ 0x7fca03808a00] Format h264 probed with size=2048 and score=51
[h264 @ 0x7fca03808a00] Before avformat_find_stream_info() pos: 0 bytes read:1502 seeks:0 nb_streams:1
[AVBSFContext @ 0x7fca02808680] nal_unit_type: 7(SPS), nal_ref_idc: 3
[AVBSFContext @ 0x7fca02808680] nal_unit_type: 8(PPS), nal_ref_idc: 3
[AVBSFContext @ 0x7fca02808680] nal_unit_type: 6(SEI), nal_ref_idc: 0
[AVBSFContext @ 0x7fca02808680] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7fca0381d400] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0x7fca0381d400] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 0x7fca0381d400] nal_unit_type: 6(SEI), nal_ref_idc: 0
[h264 @ 0x7fca0381d400] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0x7fca0381d400] Format yuv420p chosen by get_format().
[h264 @ 0x7fca0381d400] Reinit context to 176x144, pix_fmt: yuv420p
[h264 @ 0x7fca03808a00] decoding for stream 0 failed
[h264 @ 0x7fca03808a00] stream 0: start_time: -7686143364045.646 duration: -7686143364045.646
[h264 @ 0x7fca03808a00] format: start_time: -9223372036854.775 duration: -9223372036854.775 bitrate=0 kb/s
[h264 @ 0x7fca03808a00] After avformat_find_stream_info() pos: 1502 bytes read:1502 seeks:0 frames:1
Input #0, h264, from 'sei2.264':
Duration: N/A, bitrate: N/A
Stream #0:0, 1, 1/1200000: Video: h264 (Constrained Baseline), 1 reference frame, yuv420p(progressive, left), 176x144, 0/1, 25 tbr, 1200k tbn, 50 tbc
[h264 @ 0x7fca0380dc00] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0x7fca0380dc00] nal_unit_type: 8(PPS), nal_ref_idc: 3
[AVIOContext @ 0x7fca02801b00] Statistics: 1502 bytes read, 0 seeks
unsigned char rbsp[1502] = {
// Offset 0x00000000 to 0x00001501
0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0xc0, 0x29, 0x8d, 0x68, 0x2c, 0x4e,
0x80, 0x78, 0x44, 0x23, 0x50, 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x01,
0xa8, 0x35, 0xc8, 0x00, 0x00, 0x00, 0x01, 0x06, 0x2f, 0x03, 0x08, 0x00,
0x08, 0x80, 0x00, 0x00, 0x00, 0x01, 0x65, 0xb8, 0x00, 0x04, 0x05, 0x9f,
0xff, 0xff, 0x04, 0x51, 0x40, 0x00, 0x41, 0x63, 0xc7, 0x31, 0xcf, 0xff,
0xff, 0x27, 0xff, 0xfe, 0x4f, 0xff, 0xfc, 0x9f, 0xff, 0xf9, 0x3f, 0xff,
0xf2, 0x7f, 0xff, 0xe4, 0xff, 0xff, 0xc9, 0xff, 0xff, 0x93, 0xff, 0xff,
0x27, 0xff, 0xfe, 0x4f, 0xff, 0xfc, 0x9f, 0xff, 0xf9, 0x3f, 0xff, 0xf2,
0x7f, 0xff, 0xe4, 0xff, 0xfc, 0x43, 0x05, 0xd0, 0x03, 0x2b, 0x2d, 0x11,
0x03, 0x16, 0x84, 0xb4, 0x5e, 0xc2, 0x00, 0x03, 0xa0, 0x20, 0xc7, 0x42,
0xb6, 0xb8, 0x00, 0x57, 0x66, 0x66, 0x09, 0xdc, 0xc1, 0x92, 0x50, 0x86,
0x38, 0x04, 0x8f, 0x6d, 0x83, 0xff, 0xff, 0x41, 0x5e, 0xef, 0xbb, 0xff,
0xff, 0xd0, 0x57, 0xbb, 0xee, 0xff, 0xff, 0xf4, 0x15, 0xee, 0xfb, 0xbf,
0xff, 0xfd, 0x05, 0x7b, 0xbe, 0xef, 0xff, 0xff, 0x41, 0x5e, 0xef, 0xbb,
0xff, 0xff, 0xd0, 0x57, 0xbb, 0xc0, 0x25, 0x55, 0x9a, 0xdf, 0x9f, 0x22,
0x63, 0xff, 0xff, 0x27, 0xff, 0xfe, 0x4f, 0xff, 0xfc, 0x9f, 0xff, 0xf9,
0x3f, 0xff, 0xec, 0x86, 0xfc, 0x7d, 0x2d, 0x2f, 0xf8, 0x07, 0xfa, 0xf8,
0x00, 0x37, 0x66, 0x35, 0x11, 0x29, 0x61, 0x8b, 0x30, 0x53, 0x41, 0x3c,
0xb3, 0xee, 0x59, 0xa7, 0xb7, 0xc2, 0x00, 0x03, 0x00, 0x07, 0x05, 0x86,
0x02, 0x10, 0x88, 0x38, 0x00, 0x53, 0x68, 0x93, 0x1b, 0xf4, 0x22, 0x3b,
0x90, 0x00, 0x08, 0x30, 0xd9, 0x64, 0x00, 0x02, 0x0c, 0x36, 0xe6, 0x10,
0xef, 0xa0, 0xf6, 0x52, 0xc3, 0xd9, 0x5c, 0xf8, 0x1f, 0xff, 0xb0, 0xdf,
0x80, 0x06, 0xc6, 0xaa, 0x46, 0x19, 0xd8, 0x55, 0x96, 0x5f, 0xfb, 0x38,
0xc2, 0xf8, 0x40, 0x00, 0x64, 0x0a, 0x0a, 0x30, 0x11, 0x20, 0xd4, 0x00,
0x8c, 0x99, 0xb0, 0x6c, 0xd9, 0x4a, 0x10, 0xde, 0x0c, 0x80, 0x00, 0x83,
0x8c, 0xb9, 0x88, 0xed, 0x77, 0x3c, 0x85, 0x1d, 0xcd, 0x2f, 0xff, 0xc7,
0x9c, 0x3b, 0xc0, 0xe8, 0x22, 0xb2, 0xbe, 0x04, 0xdf, 0xdf, 0xfe, 0x42,
0x80, 0x0b, 0x83, 0x88, 0xa5, 0x81, 0xc0, 0x02, 0x05, 0x08, 0x96, 0x00,
0x43, 0x64, 0x44, 0x09, 0xdf, 0xa1, 0x03, 0x88, 0xbe, 0x0d, 0x9c, 0xb1,
0x23, 0x3a, 0xe7, 0xff, 0xfd, 0x93, 0xff, 0xff, 0x27, 0xe2, 0x1f, 0xf8,
0x2c, 0x80, 0xf2, 0x10, 0xf2, 0xdf, 0x08, 0x00, 0x44, 0x00, 0x18, 0x0e,
0x81, 0x20, 0x02, 0x24, 0x0e, 0x00, 0x10, 0x20, 0x44, 0xbf, 0x06, 0xa7,
0x2f, 0xfc, 0xbf, 0x0c, 0x01, 0x02, 0xf8, 0xc4, 0xcf, 0x07, 0xc0, 0xe0,
0x00, 0x80, 0x08, 0x0f, 0x65, 0x84, 0x04, 0x0a, 0x8a, 0x03, 0x83, 0x44,
0xc0, 0x02, 0x92, 0x22, 0x20, 0x6c, 0xd9, 0x08, 0x1c, 0xfe, 0x03, 0x80,
0x8c, 0x5c, 0xb2, 0x00, 0x46, 0x2e, 0x5e, 0x04, 0x6c, 0xbb, 0x80, 0x71,
0x08, 0xf2, 0xc8, 0x10, 0x8f, 0x2c, 0x5a, 0xf2, 0x74, 0x0d, 0xb7, 0xf8,
0xd3, 0xed, 0x6d, 0x7f, 0xfc, 0x38, 0x03, 0x0e, 0xf8, 0x00, 0xee, 0x12,
0x89, 0xef, 0x22, 0x09, 0x97, 0xd3, 0xdf, 0x30, 0xc1, 0x48, 0x01, 0x80,
0x06, 0x9b, 0x80, 0x05, 0x64, 0xcd, 0x98, 0x9b, 0x29, 0x48, 0x74, 0x22,
0x32, 0x4b, 0xe0, 0x0f, 0x06, 0xd8, 0x61, 0x77, 0xb8, 0x70, 0x11, 0x8b,
0x97, 0xff, 0xc1, 0x30, 0x06, 0x1d, 0xf0, 0x00, 0xdc, 0xa1, 0x16, 0x88,
0xd5, 0xcc, 0x49, 0x17, 0xd9, 0xe8, 0x36, 0x61, 0x05, 0x55, 0x80, 0xe0,
0x0c, 0x37, 0x00, 0x21, 0xb4, 0x4a, 0x1b, 0xf4, 0x25, 0x8a, 0x40, 0x08,
0xc5, 0xcb, 0xe0, 0x70, 0x64, 0xa2, 0x13, 0xbd, 0xc3, 0x88, 0x47, 0x97,
0xf9, 0xf8, 0x07, 0xb0, 0x5f, 0x8e, 0xcc, 0xe0, 0xf8, 0x00, 0xac, 0x2f,
0x8e, 0xe6, 0x11, 0x2f, 0x51, 0xea, 0xf0, 0x40, 0xbb, 0x30, 0x4b, 0x4b,
0x0e, 0x02, 0x31, 0x72, 0xfc, 0x38, 0x84, 0x79, 0x7f, 0xe1, 0xff, 0xb0,
0x59, 0xea, 0xcf, 0xdc, 0x66, 0x12, 0xc3, 0xd5, 0xf2, 0xbd, 0x3c, 0x76,
0x02, 0x47, 0xae, 0x3d, 0xff, 0xf0, 0x24, 0x5c, 0xb3, 0xd2, 0x26, 0x2b,
0x9f, 0xf1, 0xfe, 0xc1, 0x6c, 0xf4, 0x1e, 0xe1, 0x00, 0x00, 0x80, 0x30,
0x03, 0x07, 0x97, 0x08, 0x4c, 0x85, 0x81, 0xc0, 0x02, 0x04, 0x08, 0x97,
0xe0, 0xd4, 0xe5, 0xff, 0xff, 0xf6, 0x16, 0xdb, 0xee, 0xfd, 0x1f, 0x6b,
0x6b, 0x6b, 0x6b, 0x6b, 0xc3, 0xff, 0xf6, 0x08, 0xbe, 0x0b, 0x44, 0xaf,
0xf9, 0xff, 0xb0, 0x59, 0xe0, 0x0d, 0x5f, 0x6a, 0x38, 0xde, 0x82, 0x01,
0x20, 0xc4, 0x80, 0x78, 0x00, 0x56, 0x46, 0x66, 0x84, 0xd9, 0x4a, 0xac,
0xd2, 0x00, 0x02, 0x05, 0x08, 0xb9, 0x04, 0xdf, 0xf6, 0x95, 0x9d, 0xce,
0x01, 0x82, 0xfc, 0x34, 0x3b, 0xee, 0x47, 0xc0, 0x4f, 0xaf, 0xad, 0x6f,
0x5e, 0x10, 0x17, 0x1d, 0x82, 0xc6, 0x35, 0xa0, 0x01, 0x4d, 0x91, 0x13,
0x1b, 0xf4, 0x26, 0x57, 0xc8, 0x00, 0x04, 0x08, 0x13, 0x71, 0xc6, 0x81,
0x23, 0x5b, 0xd6, 0x51, 0x2b, 0x9f, 0xff, 0xf6, 0x1f, 0xef, 0x3b, 0xcf,
0x53, 0xd7, 0x5d, 0x75, 0xd7, 0x4f, 0xff, 0xff, 0xc1, 0x07, 0x01, 0xc0,
0x21, 0xce, 0x2e, 0x5b, 0xff, 0xff, 0xb0, 0x43, 0xe0, 0x03, 0x6d, 0x10,
0xe1, 0x0a, 0x27, 0xa4, 0xdd, 0xa1, 0xce, 0x03, 0xda, 0x72, 0xdf, 0xfe,
0x29, 0x6a, 0xa5, 0xea, 0xa5, 0x80, 0x06, 0x0b, 0x68, 0x8a, 0x66, 0x62,
0xdf, 0xfc, 0x7e, 0xc1, 0x07, 0x01, 0xe6, 0x3a, 0x88, 0x7f, 0xd0, 0xe8,
0x00, 0xfc, 0x02, 0x67, 0xb1, 0xe0, 0x73, 0xd2, 0x2e, 0x03, 0xf8, 0x00,
0xc4, 0x00, 0x6f, 0x9b, 0x15, 0x6b, 0x2d, 0xcf, 0x07, 0xc0, 0x02, 0x09,
0x6a, 0x32, 0xd8, 0xba, 0x3f, 0x0c, 0x28, 0x20, 0x28, 0x20, 0x20, 0x42,
0x00, 0x83, 0xe0, 0x70, 0x23, 0x15, 0x2c, 0x01, 0x03, 0x2a, 0x63, 0xcc,
0x42, 0x99, 0x02, 0x19, 0xee, 0x01, 0xc8, 0x46, 0x96, 0x00, 0x47, 0x6c,
0xd8, 0x04, 0xaa, 0x41, 0xbc, 0x41, 0x05, 0x32, 0x00, 0x08, 0x20, 0xab,
0x9f, 0xff, 0xf4, 0x0a, 0xb4, 0xab, 0x8d, 0x3e, 0x09, 0x25, 0xff, 0xff,
0xe8, 0x9f, 0xff, 0xf4, 0x4f, 0xff, 0xfa, 0x27, 0xff, 0xfd, 0x07, 0x30,
0x04, 0x2d, 0x20, 0x47, 0x38, 0x95, 0xab, 0xfc, 0x00, 0x6b, 0x19, 0x05,
0xce, 0x53, 0x10, 0xa6, 0xed, 0x08, 0x12, 0xc0, 0x90, 0x00, 0x26, 0x1a,
0x00, 0x21, 0xfb, 0x90, 0xfc, 0x84, 0x24, 0x10, 0xcd, 0x72, 0x00, 0x14,
0xd2, 0x35, 0x91, 0x86, 0x37, 0x5e, 0x9b, 0x20, 0x00, 0x41, 0x05, 0xdc,
0xff, 0xe0, 0x18, 0x57, 0xe0, 0x02, 0x98, 0xf7, 0x33, 0x98, 0x55, 0x3d,
0x47, 0xab, 0xdf, 0xe8, 0x30, 0x01, 0xab, 0x58, 0x48, 0x53, 0xb1, 0x8a,
0x7a, 0xbd, 0xd5, 0x8f, 0x87, 0xe0, 0x01, 0x0c, 0xa4, 0x12, 0xad, 0xcc,
0x29, 0x1a, 0xd0, 0x83, 0xd9, 0xc2, 0x9a, 0xf4, 0xd0, 0x38, 0x08, 0xa4,
0xcb, 0xf2, 0xfc, 0xb0, 0xe0, 0x9c, 0x79, 0x7f, 0xff, 0xfe, 0x10, 0x61,
0xef, 0xc0, 0x01, 0x93, 0x46, 0x83, 0x76, 0xea, 0x41, 0x8d, 0xf7, 0x4b,
0x14, 0x1c, 0x00, 0x04, 0x10, 0x20, 0x18, 0x00, 0x08, 0x14, 0xf0, 0x91,
0xcd, 0xb8, 0x08, 0xd4, 0xb7, 0xcf, 0x7f, 0xff, 0xd0, 0x43, 0xdf, 0xd0,
0x81, 0x83, 0xca, 0xc0, 0x05, 0x34, 0x63, 0x27, 0x15, 0x4d, 0x52, 0x0d,
0xda, 0x5e, 0x30, 0x5e, 0x05, 0x2a, 0x0d, 0xbb, 0x90, 0x22, 0x03, 0x7a,
0x68, 0x1d, 0x21, 0xdc, 0xd4, 0xc8, 0x91, 0x4d, 0xf3, 0xcf, 0xff, 0xfa,
0x05, 0x9c, 0x53, 0xfa, 0x45, 0xff, 0xe3, 0x4f, 0xff, 0xfe, 0x82, 0xdb,
0x7d, 0xdf, 0x1c, 0x00, 0x0d, 0xc7, 0x00, 0x01, 0x01, 0x5f, 0xff, 0xfd,
0x06, 0xae, 0xf9, 0x7d, 0x31, 0xf1, 0x08, 0xe2, 0x00, 0x00, 0x80, 0x30,
0x03, 0xea, 0x2e, 0x30, 0x92, 0x6b, 0xc8, 0x70, 0x98, 0x6b, 0x90, 0xe1,
0x30, 0xd7, 0x3f, 0xf0, 0xc0, 0x34, 0x0b, 0x60, 0x00, 0x99, 0x90, 0xc8,
0xe1, 0x98, 0xdc, 0x41, 0x23, 0xcc, 0x71, 0xf0, 0x40, 0xc6, 0x17, 0xc2,
0x80, 0x07, 0xc0, 0x81, 0x40, 0x00, 0xf8, 0x09, 0xc0, 0x27, 0xb1, 0x37,
0x72, 0x02, 0xa7, 0xd5, 0xe2, 0xc0, 0x80, 0xa6, 0x78, 0x04, 0xe9, 0x89,
0x95, 0xc8, 0x0e, 0xbf, 0x57, 0x8b, 0x00, 0x80, 0x53, 0x3f, 0xf5, 0xf0,
0xd8, 0x76, 0x00, 0x09, 0xe4, 0x38, 0xcc, 0x7e, 0x90, 0x66, 0x90, 0xb5,
0x86, 0x08, 0x50, 0x00, 0x6c, 0x99, 0xb4, 0x44, 0x8c, 0x6a, 0x89, 0xc4,
0xf8, 0x27, 0xf8, 0x41, 0x1f, 0xdc, 0x10, 0x47, 0xf7, 0x60, 0x04, 0x9d,
0x0f, 0x31, 0x5c, 0x9e, 0xaf, 0x0e, 0x09, 0x89, 0x81, 0x0d, 0x34, 0xdb,
0x56, 0x00, 0x48, 0xd4, 0x34, 0x62, 0xb9, 0xbd, 0x5e, 0x1c, 0x05, 0xd9,
0x81, 0x0d, 0x34, 0xdb, 0x57, 0xfc, 0x03, 0x0e, 0x81, 0x54, 0x20, 0x04,
0x86, 0x28, 0x40, 0x09, 0x0c, 0x5f, 0xc0, 0x15, 0x24, 0x63, 0x05, 0x38,
0xc3, 0x6d, 0x5f, 0x58, 0x02, 0xa1, 0x67, 0x70, 0x53, 0x0c, 0x36, 0xd5,
0xff, 0xf0, 0x0d, 0x87, 0x70, 0x00, 0x4c, 0xc8, 0x64, 0x70, 0xcc, 0x6e,
0x20, 0x91, 0xe6, 0x38, 0xfc, 0x61, 0x70, 0x40, 0xfc, 0x20, 0x08, 0x75,
0x94, 0x10, 0x04, 0x15, 0x66, 0x61, 0x35, 0xc3, 0xec, 0x47, 0x2f, 0xab,
0xc5, 0x81, 0x01, 0x4c, 0xe1, 0x32, 0x70, 0xd5, 0x88, 0xe7, 0xf5, 0x78,
0xb0, 0x08, 0x05, 0x33, 0xff, 0x05, 0xfd, 0x82, 0xff, 0xaf, 0x80, 0x02,
0x79, 0x0e, 0x33, 0x1f, 0xa4, 0x19, 0xa4, 0x2d, 0x70, 0x42, 0x08, 0x01,
0x3c, 0x06, 0x08, 0x01, 0x38, 0x25, 0x43, 0x82, 0x61, 0x6e, 0x00, 0x12,
0xf0, 0x9b, 0x39, 0x41, 0x51, 0xea, 0xf1, 0x00, 0x98, 0x5b, 0x90, 0xe4,
0x64, 0xb8, 0x00, 0x4a, 0xd0, 0x99, 0x1c, 0xa0, 0x55, 0x7a, 0xbc, 0x41,
0x19, 0x2e, 0x7f, 0xff, 0xd0, 0x63, 0x2e, 0xa6, 0x3c, 0x00, 0x19, 0xb4,
0x49, 0x8d, 0xfa, 0x11, 0x1d, 0xd2, 0x33, 0xe8, 0xef, 0xff, 0xfe, 0xfc,
0x07, 0x00, 0x10, 0x41, 0xaa, 0x4b, 0x7e, 0x00, 0x0d, 0xd3, 0x26, 0xc4,
0xf3, 0x15, 0x1d, 0x13, 0x9f, 0x04, 0x2c, 0x0e, 0x00, 0xc1, 0x02, 0x40,
0x07, 0x81, 0xb4, 0x70, 0x75, 0x43, 0xf0, 0x3c, 0xc5, 0x70, 0x8f, 0xff,
0xff, 0xb0, 0xc7, 0x80, 0x03, 0x36, 0x89, 0x31, 0xbf, 0xc4, 0x47, 0x7d,
0x04, 0xfb, 0xf8, 0x07, 0xff, 0xb0, 0x45, 0xcb, 0x9e, 0xc2, 0x05, 0xd9,
0x82, 0x00, 0x11, 0x58, 0xaf, 0xff, 0xfb, 0x08, 0xdf, 0xff, 0xff, 0x61,
0x1b, 0x7f, 0xff, 0xec, 0x15, 0x76, 0xff, 0xff, 0xdd, 0xff, 0xff, 0xec,
0x15, 0x44, 0x7b, 0xff, 0xcd, 0x7f, 0xff, 0xec, 0x23, 0x77, 0xff, 0xfe,
0xc8, 0x9f
}
最佳答案
payloadSize
只是 sei_message()
的大小此大小不包括停止位。所以SEI结尾一定有一个0x80,
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我正在学习 OOP 并且有疑问。假设我有一个包含 ClassB.h 的文件 ClassA.h,并且在某些时候我的 ClassB.h 需要包含 ClassA .h。 这会产生一个错误,我想我明白为什么会
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我有一些生成正则表达式的代码。那么下面的表达式实际上是: ^(?:\s*((exclude|include|hide|show|protect|risk|dir-merge|merge)),\s*((
我一直在查看一些源代码,以更好地了解我们使用的这款游戏的核心,并编写更可靠、更快速的插件。然后我发现了这段奇怪的代码...... public void setMaxH(double amount)
通常我们会使用标准类型作为 std::unordered_map 的键和值.但现在我需要自定义我自己的键和值类。 键类在block_cache_key.h 中定义如下: #ifndef BLOCK_C
例如,我想要两个头文件,它们可以依赖于另一个头文件中的函数。 //Header1.h file #include Header2.h void h1(){ //... func1(); } v
我正在研究来自 Sedgewick 的 Shell 排序 Algorithms in C part 1-4在第 172 页。 我使用 size (数组的长度),而不是 l和 r (开始和结束);所以我
我在 macOS BigSur 上通过 VMWare 使用 Ubuntu 20.04.2 LTS。我安装了最新版本的 tcl、tcl-dev、tk 和 tk-dev - 版本 8.6。我想编译 Arc
我用我的 glu 和 gl 头文件构建了一个 OpenGL 程序,默认包含在 windows 7 专业版中。现在,我买了一本描述 OpenGL 游戏开发的书。这本书的作者说,我必须在我的项目中包含 g
我想在 token 中保留特殊字符,同时仍对特殊字符进行 token 化。说我有话 "H&R Blocks" 我想将其标记为 "H", "R", "H&R", "Blocks" 我读了http://w
关于 hash 作为 trans 参数的另一个问题。在下面的代码中,简单地使用 hash 会给出不正确的结果,但是将其替换为 keys 和 values 会使其正确。怎么了? my @alph1 =
我已经编写了一个 C 程序,它获取屏幕像素的 RGB 值 (0-255),并知道其位置 (x,y)。它可以在 Linux 中运行,但是当我尝试在 Visual Studio (Windows) 中编译
我已经使用 Windows 7 专业版中默认包含的 glu 和 gl 头文件构建了一个 OpenGL 程序。现在,我买了一本描述 OpenGL 游戏开发的书。这本书的作者说,我必须将glew head
#include using namespace std; #include //#include int main() { initscr();
h:messages h:form 内的组件还显示与外部组件相关的消息。 如何限制它只显示与包含 h:form 内的组件相关的消息? 我不喜欢用单独的h:message来使我的代码膨胀。每个输入组件的
我下载了示例代码和 cpp 文件,其中包含 list.h、queue.h 和 vector.h 等头文件,如果我尝试构建,我会收到“ fatal error :没有这样的文件或目录编译终止”我想我应该
我有一个编译成功的桌面项目,但是在我向项目添加新配置以支持 Windows Mobile 平台后,我收到以下错误: error C2146: syntax error : missing ';' be
有很多关于这个错误的帖子,但我无法解决它,我希望你能拿出解决方案。我在 Ubuntu 机器上。 ~/graphmap2$ 在这个文件夹中,我下载了 zlib。可以看图 经过一番谷歌搜索后,我还注意到没
是否可以在 Visual C++ 中使用以下 header : 图.h dos.h bios.h 最佳答案 据我所知,无法在 Visual C++ 中使用它, 与此同时,我希望您关注 Open Wat
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