1# ffmpeg -f lavfi -i sine -t 50ms -c:a libvorbis vorbis.ogg 2$ fq -d ogg verbose /vorbis.ogg 3 |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.{}: /vorbis.ogg (ogg) 0x0-0xe46.7 (3655) 4 | | | pages[0:3]: 0x0-0xe46.7 (3655) 5 | | | [0]{}: page (ogg_page) 0x0-0x39.7 (58) 60x0000|4f 67 67 53 |OggS | capture_pattern: "OggS" (valid) 0x0-0x3.7 (4) 70x0000| 00 | . | version: 0 (valid) 0x4-0x4.7 (1) 80x0000| 02 | . | unused_flags: 0 0x5-0x5.4 (0.5) 90x0000| 02 | . | last_page: false 0x5.5-0x5.5 (0.1) 100x0000| 02 | . | first_page: true 0x5.6-0x5.6 (0.1) 110x0000| 02 | . | continued_packet: false 0x5.7-0x5.7 (0.1) 120x0000| 00 00 00 00 00 00 00 00 | ........ | granule_position: 0 0x6-0xd.7 (8) 130x0000| e6 34| .4| bitstream_serial_number: 3971626214 0xe-0x11.7 (4) 140x0010|ba ec |.. | 150x0010| 00 00 00 00 | .... | page_sequence_no: 0 0x12-0x15.7 (4) 160x0010| 63 a5 40 49 | c.@I | crc: 0x4940a563 (valid) 0x16-0x19.7 (4) 170x0010| 01 | . | page_segments: 1 0x1a-0x1a.7 (1) 18 | | | segment_table[0:1]: 0x1b-0x1b.7 (1) 190x0010| 1e | . | [0]: 30 segment_size 0x1b-0x1b.7 (1) 20 | | | segments[0:1]: 0x1c-0x39.7 (30) 210x0010| 01 76 6f 72| .vor| [0]: raw bits segment 0x1c-0x39.7 (30) 220x0020|62 69 73 00 00 00 00 01 44 ac 00 00 00 00 00 00|bis.....D.......| 230x0030|80 38 01 00 00 00 00 00 b8 01 |.8........ | 24 | | | [1]{}: page (ogg_page) 0x3a-0xd18.7 (3295) 250x0030| 4f 67 67 53 | OggS | capture_pattern: "OggS" (valid) 0x3a-0x3d.7 (4) 260x0030| 00 | . | version: 0 (valid) 0x3e-0x3e.7 (1) 270x0030| 00| .| unused_flags: 0 0x3f-0x3f.4 (0.5) 280x0030| 00| .| last_page: false 0x3f.5-0x3f.5 (0.1) 290x0030| 00| .| first_page: false 0x3f.6-0x3f.6 (0.1) 300x0030| 00| .| continued_packet: false 0x3f.7-0x3f.7 (0.1) 310x0040|00 00 00 00 00 00 00 00 |........ | granule_position: 0 0x40-0x47.7 (8) 320x0040| e6 34 ba ec | .4.. | bitstream_serial_number: 3971626214 0x48-0x4b.7 (4) 330x0040| 01 00 00 00| ....| page_sequence_no: 1 0x4c-0x4f.7 (4) 340x0050|20 cf 02 ee | ... | crc: 0xee02cf20 (valid) 0x50-0x53.7 (4) 350x0050| 0e | . | page_segments: 14 0x54-0x54.7 (1) 36 | | | segment_table[0:14]: 0x55-0x62.7 (14) 370x0050| 41 | A | [0]: 65 segment_size 0x55-0x55.7 (1) 380x0050| ff | . | [1]: 255 segment_size 0x56-0x56.7 (1) 390x0050| ff | . | [2]: 255 segment_size 0x57-0x57.7 (1) 400x0050| ff | . | [3]: 255 segment_size 0x58-0x58.7 (1) 410x0050| ff | . | [4]: 255 segment_size 0x59-0x59.7 (1) 420x0050| ff | . | [5]: 255 segment_size 0x5a-0x5a.7 (1) 430x0050| ff | . | [6]: 255 segment_size 0x5b-0x5b.7 (1) 440x0050| ff | . | [7]: 255 segment_size 0x5c-0x5c.7 (1) 450x0050| ff | . | [8]: 255 segment_size 0x5d-0x5d.7 (1) 460x0050| ff | . | [9]: 255 segment_size 0x5e-0x5e.7 (1) 470x0050| ff| .| [10]: 255 segment_size 0x5f-0x5f.7 (1) 480x0060|ff |. | [11]: 255 segment_size 0x60-0x60.7 (1) 490x0060| ff | . | [12]: 255 segment_size 0x61-0x61.7 (1) 500x0060| 81 | . | [13]: 129 segment_size 0x62-0x62.7 (1) 51 | | | segments[0:14]: 0x63-0xd18.7 (3254) 520x0060| 03 76 6f 72 62 69 73 0d 00 00 00 4c 61| .vorbis....La| [0]: raw bits segment 0x63-0xa3.7 (65) 530x0070|76 66 35 38 2e 37 36 2e 31 30 30 01 00 00 00 20|vf58.76.100.... | 54* |until 0xa3.7 (65) | | 550x00a0| 05 76 6f 72 62 69 73 22 42 43 56 01| .vorbis"BCV.| [1]: raw bits segment 0xa4-0x1a2.7 (255) 560x00b0|00 40 00 00 24 73 18 2a 46 a5 73 16 84 10 1a 42|.@..$s.*F.s....B| 57* |until 0x1a2.7 (255) | | 580x01a0| c9 91 1c c9 b1 1c 0b 08 0d 59 05 00 00| .........Y...| [2]: raw bits segment 0x1a3-0x2a1.7 (255) 590x01b0|01 00 08 00 00 a0 48 8a a4 48 8e e4 48 92 24 59|......H..H..H.$Y| 60* |until 0x2a1.7 (255) | | 610x02a0| e7 9c 05 ad 69 8e 9a 4b b1 39 e7 9c 48 b9| ....i..K.9..H.| [3]: raw bits segment 0x2a2-0x3a0.7 (255) 620x02b0|79 52 9b 4b b5 39 e7 9c 73 ce 39 e7 9c 73 ce 39|yR.K.9..s.9..s.9| 63* |until 0x3a0.7 (255) | | 640x03a0| 11 1d d1 11 1d d1 11 1d d1 11 1d d1 f1 1c cf| ...............| [4]: raw bits segment 0x3a1-0x49f.7 (255) 650x03b0|11 25 51 12 25 51 12 2d d3 32 35 d3 53 45 55 75|.%Q.%Q.-.25.SEUu| 66* |until 0x49f.7 (255) | | 670x04a0|78 8a a9 78 8a a8 78 8e e8 88 92 68 99 96 a8 a9|x..x..x....h....| [5]: raw bits segment 0x4a0-0x59e.7 (255) 68* |until 0x59e.7 (255) | | 690x0590| 45| E| [6]: raw bits segment 0x59f-0x69d.7 (255) 700x05a0|ce 39 2a 1d a5 c6 39 47 a9 a3 d4 51 4a b1 a6 5a|.9*...9G...QJ..Z| 71* |until 0x69d.7 (255) | | 720x0690| 57 d6| W.| [7]: raw bits segment 0x69e-0x79c.7 (255) 730x06a0|7d 4d 14 55 d5 53 4d d9 15 55 55 96 55 d9 d5 65|}M.U.SM..UU.U..e| 74* |until 0x79c.7 (255) | | 750x0790| 57 65 d9| We.| [8]: raw bits segment 0x79d-0x89b.7 (255) 760x07a0|f7 55 57 f6 7d 5b f7 85 e1 f6 7d df 18 55 d7 f7|.UW.}[....}..U..| 77* |until 0x89b.7 (255) | | 780x0890| 52 6b 95 73| Rk.s| [9]: raw bits segment 0x89c-0x99a.7 (255) 790x08a0|52 3a 08 29 65 0e 4a 2a 29 c5 58 4a 4a 31 73 4e|R:.)e.J*).XJJ1sN| 80* |until 0x99a.7 (255) | | 810x0990| 9c 94 8a 31 e7| ...1.| [10]: raw bits segment 0x99b-0xa99.7 (255) 820x09a0|20 a4 52 31 e6 1c 84 52 32 e7 20 94 92 52 e6 1c| .R1...R2. ..R..| 83* |until 0xa99.7 (255) | | 840x0a90| 52 4a 29 a5 94 12| RJ)...| [11]: raw bits segment 0xa9a-0xb98.7 (255) 850x0aa0|42 08 21 84 10 42 08 21 84 10 42 08 21 84 10 42|B.!..B.!..B.!..B| 86* |until 0xb98.7 (255) | | 870x0b90| 08 25 64 8c 39 e7 1c| .%d.9..| [12]: raw bits segment 0xb99-0xc97.7 (255) 880x0ba0|84 10 42 28 a5 94 8c 31 e7 9c 83 10 42 09 a5 94|..B(...1....B...| 89* |until 0xc97.7 (255) | | 900x0c90| 87 07 95 00 11 31 15 00| .....1..| [13]: raw bits segment 0xc98-0xd18.7 (129) 910x0ca0|24 26 28 e4 02 40 85 c5 45 da c5 05 74 19 e0 82|$&(..@..E...t...| 92* |until 0xd18.7 (129) | | 93 | | | [2]{}: page (ogg_page) 0xd19-0xe46.7 (302) 940x0d10| 4f 67 67 53 | OggS | capture_pattern: "OggS" (valid) 0xd19-0xd1c.7 (4) 950x0d10| 00 | . | version: 0 (valid) 0xd1d-0xd1d.7 (1) 960x0d10| 04 | . | unused_flags: 0 0xd1e-0xd1e.4 (0.5) 970x0d10| 04 | . | last_page: true 0xd1e.5-0xd1e.5 (0.1) 980x0d10| 04 | . | first_page: false 0xd1e.6-0xd1e.6 (0.1) 990x0d10| 04 | . | continued_packet: false 0xd1e.7-0xd1e.7 (0.1) 1000x0d10| 9d| .| granule_position: 2205 0xd1f-0xd26.7 (8) 1010x0d20|08 00 00 00 00 00 00 |....... | 1020x0d20| e6 34 ba ec | .4.. | bitstream_serial_number: 3971626214 0xd27-0xd2a.7 (4) 1030x0d20| 02 00 00 00 | .... | page_sequence_no: 2 0xd2b-0xd2e.7 (4) 1040x0d20| 73| s| crc: 0xc510e973 (valid) 0xd2f-0xd32.7 (4) 1050x0d30|e9 10 c5 |... | 1060x0d30| 04 | . | page_segments: 4 0xd33-0xd33.7 (1) 107 | | | segment_table[0:4]: 0xd34-0xd37.7 (4) 1080x0d30| 1f | . | [0]: 31 segment_size 0xd34-0xd34.7 (1) 1090x0d30| 3c | < | [1]: 60 segment_size 0xd35-0xd35.7 (1) 1100x0d30| 34 | 4 | [2]: 52 segment_size 0xd36-0xd36.7 (1) 1110x0d30| 80 | . | [3]: 128 segment_size 0xd37-0xd37.7 (1) 112 | | | segments[0:4]: 0xd38-0xe46.7 (271) 1130x0d30| 5c dd ab 3a ab ba b0 ff| \..:....| [0]: raw bits segment 0xd38-0xd56.7 (31) 1140x0d40|5a 02 04 10 00 c0 8c da 2d b6 37 df 7c f3 cd 30|Z.......-.7.|..0| 1150x0d50|0c c3 30 0c c3 7a 00 |..0..z. | 1160x0d50| 9a d8 3d 07 6f d2 9e 5b 5c| ..=.o..[\| [1]: raw bits segment 0xd57-0xd92.7 (60) 1170x0d60|05 66 22 40 2a 00 00 00 00 00 00 00 00 00 00 00|.f"@*...........| 118* |until 0xd92.7 (60) | | 1190x0d90| be d8 dd e6 ae 92 f7 23 3e 6f cc 0d 80| .......#>o...| [2]: raw bits segment 0xd93-0xdc6.7 (52) 1200x0da0|7a 00 00 00 00 01 06 00 00 00 00 00 00 e0 b9 05|z...............| 121* |until 0xdc6.7 (52) | | 1220x0dc0| 3e 37 dd 37 fe ee 85 47 7c| >7.7...G|| [3]: raw bits segment 0xdc7-0xe46.7 (128) 1230x0dd0|3c 61 02 9b 31 06 f6 bb ef 9f 04 62 46 41 04 c0|<a..1......bFA..| 124* |until 0xe46.7 (end) (128) | | 125 | | | streams[0:1]: 0x3a-NA (0) 126 | | | [0]{}: stream 0x3a-NA (0) 127 | | | serial_number: 3971626214 0x3a-NA (0) 128 | | | packets[0:7]: 0x3a-NA (0) 129 | | | [0]{}: packet (vorbis_packet) 0x0-0x1d.7 (30) 130 0x000|01 |. | packet_type: "Identification" (1) 0x0-0x0.7 (1) 131 0x000| 76 6f 72 62 69 73 | vorbis | magic: "vorbis" (valid) 0x1-0x6.7 (6) 132 0x000| 00 00 00 00 | .... | vorbis_version: 0 (valid) 0x7-0xa.7 (4) 133 0x000| 01 | . | audio_channels: 1 0xb-0xb.7 (1) 134 0x000| 44 ac 00 00| D...| audio_sample_rate: 44100 0xc-0xf.7 (4) 135 0x010|00 00 00 00 |.... | bitrate_maximum: 0 0x10-0x13.7 (4) 136 0x010| 80 38 01 00 | .8.. | bitrate_nominal: 80000 0x14-0x17.7 (4) 137 0x010| 00 00 00 00 | .... | bitrate_minimum: 0 0x18-0x1b.7 (4) 138 0x010| b8 | . | blocksize_1: 2048 0x1c-0x1c.3 (0.4) 139 0x010| b8 | . | blocksize_0: 256 0x1c.4-0x1c.7 (0.4) 140 0x010| 01| | .| | padding0: raw bits (all zero) 0x1d-0x1d.6 (0.7) 141 0x010| 01| | .| | framing_flag: 1 (valid) 0x1d.7-0x1d.7 (0.1) 142 | | | [1]{}: packet (vorbis_packet) 0x0-0x40.7 (65) 143 0x000|03 |. | packet_type: "Comment" (3) 0x0-0x0.7 (1) 144 0x000| 76 6f 72 62 69 73 | vorbis | magic: "vorbis" (valid) 0x1-0x6.7 (6) 145 | | | comment{}: (vorbis_comment) 0x7-0x3f.7 (57) 146 0x000| 0d 00 00 00 | .... | vendor_length: 13 0x7-0xa.7 (4) 147 0x000| 4c 61 76 66 35| Lavf5| vendor: "Lavf58.76.100" 0xb-0x17.7 (13) 148 0x010|38 2e 37 36 2e 31 30 30 |8.76.100 | 149 0x010| 01 00 00 00 | .... | user_comment_list_length: 1 0x18-0x1b.7 (4) 150 | | | user_comments[0:1]: 0x1c-0x3f.7 (36) 151 | | | [0]{}: user_comment 0x1c-0x3f.7 (36) 152 0x010| 20 00 00 00| ...| length: 32 0x1c-0x1f.7 (4) 153 0x020|65 6e 63 6f 64 65 72 3d 4c 61 76 63 35 38 2e 31|encoder=Lavc58.1| comment: "encoder=Lavc58.134.100 libvorbis" 0x20-0x3f.7 (32) 154 0x030|33 34 2e 31 30 30 20 6c 69 62 76 6f 72 62 69 73|34.100 libvorbis| 155 0x040|01| |.| | padding0: raw bits (all zero) 0x40-0x40.6 (0.7) 156 0x040|01| |.| | frame_bit: 1 (valid) 0x40.7-0x40.7 (0.1) 157 | | | [2]{}: packet (vorbis_packet) 0x0-0xc74.7 (3189) 158 0x000|05 |. | packet_type: "Setup" (5) 0x0-0x0.7 (1) 159 0x000| 76 6f 72 62 69 73 | vorbis | magic: "vorbis" (valid) 0x1-0x6.7 (6) 160 0x000| 22 | " | vorbis_codebook_count: 35 0x7-0x7.7 (1) 161 0x000| 42 43 56 | BCV | codecooke_sync: 0x564342 (valid) 0x8-0xa.7 (3) 162 0x000| 01 00 | .. | codebook_dimensions: 1 0xb-0xc.7 (2) 163 0x000| 40 00 00| @..| codebook_entries: 64 0xd-0xf.7 (3) 164 0x010|24 73 18 2a 46 a5 73 16 84 10 1a 42 50 19 e3 1c|$s.*F.s....BP...| unknown0: raw bits 0x10-0xc74.7 (3173) 165 * |until 0xc74.7 (end) (3173) | | 166 | | | [3]{}: packet (vorbis_packet) 0x0-0x1e.7 (31) 167 0x000|5c |\ | packet_type: "Audio" (0) 0x0-0x0.7 (1) 168 0x000| dd ab 3a ab ba b0 ff 5a 02 04 10 00 c0 8c da| ..:....Z.......| unknown0: raw bits 0x1-0x1e.7 (30) 169 0x010|2d b6 37 df 7c f3 cd 30 0c c3 30 0c c3 7a 00| |-.7.|..0..0..z.|| 170 | | | [4]{}: packet (vorbis_packet) 0x0-0x3b.7 (60) 171 0x000|9a |. | packet_type: "Audio" (0) 0x0-0x0.7 (1) 172 0x000| d8 3d 07 6f d2 9e 5b 5c 05 66 22 40 2a 00 00| .=.o..[\.f"@*..| unknown0: raw bits 0x1-0x3b.7 (59) 173 0x010|00 00 00 00 00 00 00 00 00 fa fd 60 9f ce 01 d1|...........`....| 174 * |until 0x3b.7 (end) (59) | | 175 | | | [5]{}: packet (vorbis_packet) 0x0-0x33.7 (52) 176 0x000|be |. | packet_type: "Audio" (0) 0x0-0x0.7 (1) 177 0x000| d8 dd e6 ae 92 f7 23 3e 6f cc 0d 80 7a 00 00| ......#>o...z..| unknown0: raw bits 0x1-0x33.7 (51) 178 0x010|00 00 01 06 00 00 00 00 00 00 e0 b9 05 42 5c 27|.............B\'| 179 * |until 0x33.7 (end) (51) | | 180 | | | [6]{}: packet (vorbis_packet) 0x0-0x7f.7 (128) 181 0x000|3e |> | packet_type: "Audio" (0) 0x0-0x0.7 (1) 182 0x000| 37 dd 37 fe ee 85 47 7c 3c 61 02 9b 31 06 f6| 7.7...G|<a..1..| unknown0: raw bits 0x1-0x7f.7 (127) 183 0x010|bb ef 9f 04 62 46 41 04 c0 c0 00 00 f0 3d f4 1d|....bFA......=..| 184 * |until 0x7f.7 (end) (127) | | 185