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Diffstat (limited to 'lib/libdvbcfg/zapchannel.txt')
| -rw-r--r-- | lib/libdvbcfg/zapchannel.txt | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/libdvbcfg/zapchannel.txt b/lib/libdvbcfg/zapchannel.txt new file mode 100644 index 0000000..cdfdb87 --- /dev/null +++ b/lib/libdvbcfg/zapchannel.txt @@ -0,0 +1,72 @@ +/** + * The zapchannel file format specifies tuning parameters for channels. Each line describes + * a single channel, and consists of multiple options separated by ':'. The exact + * format of each line depends on the DVB type of the channel (i.e. DVBS, DVBT, DVBC, or ATSC). + * + * Note: the lines have been split across multiple lines in the following due to length issues. + * + * The format for DVBT channels is: + * + * <name>:<frequency>:<inversion>:<bandwidth>:<fec_hp>:<fec_lp>: + * <constellation>:<transmission>:<guard_interval>:<hierarchy>: + * <video_pid>:<audio_pid>:<channel_number> + * + * name: name of the channel + * frequency: frequency in Hz + * inversion: one of INVERSION_OFF, INVERSION_ON, or INVERSION_AUTO. + * bandwidth: one of BANDWIDTH_6_MHZ, BANDWIDTH_7_MHZ, or BANDWIDTH_8_MHZ. + * fec_hp: FEC of the high priority stream, one of: FEC_1_2, FEC_2_3, + * FEC_3_4, FEC_4_5, FEC_5_6, FEC_6_7, FEC_7_8, FEC_8_9, or FEC_AUTO. + * fec_lp: FEC of the low priority stream, one of: FEC_1_2, FEC_2_3, + * FEC_3_4, FEC_4_5, FEC_5_6, FEC_6_7, FEC_7_8, FEC_8_9, FEC_AUTO, or FEC_NONE. + * constellation: one of QPSK, QAM_128, QAM_16, QAM_256, QAM_32, or QAM_64. + * transmission: one of TRANSMISSION_MODE_2K, or TRANSMISSION_MODE_8K. + * guard_interval: one of GUARD_INTERVAL_1_32, GUARD_INTERVAL_1_16, GUARD_INTERVAL_1_8, or GUARD_INTERVAL_1_4. + * hierarchy: one of HIERARCHY_NONE, HIERARCHY_1, HIERARCHY_2, or HIERARCHY_4. + * video_pid: PID of the video stream. + * audio_pid: PID of the audio stream. + * channel_number: Transport stream channel number of the program. + * + * DVBC: + * + * <name>:<frequency>:<inversion>:<symbol_rate>:<fec>: + * <modulation>:<video_pid>:<audio_pid>:<channel_number> + * + * name: name of the channel + * frequency: frequency in Hz + * inversion: one of INVERSION_OFF, INVERSION_ON, or INVERSION_AUTO. + * symbol_rate: Symbol rate of the channel in ksyms. + * fec: One of: FEC_1_2, FEC_2_3, FEC_3_4, FEC_4_5, FEC_5_6, FEC_6_7, + * FEC_7_8, FEC_8_9, or FEC_AUTO. + * modulation: one of QAM_16, QAM_32, QAM_64, QAM_128, QAM_256, QAM_AUTO. + * video_pid: PID of the video stream. + * audio_pid: PID of the audio stream. + * channel_number: Transport stream channel number of the program. + * + * DVBS: + * + * <name>:<frequency>:<polarization>:<satellite_switches>:<symbol_rate>:<video_pid>:<audio_pid>:<channel_number> + * + * name: name of the channel + * frequency: frequency in kHz + * polarization: one of H,V,L, or R. + * satellite_switches: Treated as a 2 bit value controlling switches in SEC equipment: + * bit 0: controls "satellite switch", 0: A, 1: B + * bit 1: controls "switch option", 0: A, 1: B + * symbol_rate: Symbol rate of the channel in ksyms. + * video_pid: PID of the video stream. + * audio_pid: PID of the audio stream. + * channel_number: Transport stream channel number of the program. + * + * ATSC: + * + * <name>:<frequency>:<inversion>:<modulation>:<video_pid>:<audio_pid>:<channel_number> + * + * name: name of the channel + * frequency: frequency in GHz + * inversion: one of INVERSION_OFF, INVERSION_ON, or INVERSION_AUTO. + * modulation: one of 8VSB, 16VSB, QAM_64, or QAM_256. + * video_pid: PID of the video stream. + * audio_pid: PID of the audio stream. + * channel_number: Transport stream channel number of the program. + */ |