kopia lustrzana https://github.com/windytan/slowrx
386 wiersze
11 KiB
C
386 wiersze
11 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <gtk/gtk.h>
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#include <alsa/asoundlib.h>
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#include <fftw3.h>
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#include "common.h"
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/*
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* Mode specifications
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*
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* Name Long, human-readable name for the mode
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* ShortName Abbreviation for the mode, used in filenames
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* SyncLen Duration of synchronization pulse in seconds
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* PorchLen Duration of sync porch pulse in seconds
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* SeparatorLen Duration of channel separator pulse in seconds
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* PixelLen Duration of one pixel in seconds
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* LineLen Time in seconds from the beginning of a sync pulse to the beginning of the next one
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* ImgWidth Pixels per scanline
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* ImgHeight Number of scanlines
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* YScale Height of one scanline in pixels (1 or 2)
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* ColorEnc Color format (GBR, RGB, YUV, BW)
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*
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*
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* Note that these timings do not fully describe the workings of the different modes.
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*
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* References:
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*
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* JL Barber N7CXI (2000): "Proposal for SSTV Mode Specifications". Presented at the
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* Dayton SSTV forum, 20 May 2000.
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*
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* Dave Jones KB4YZ (1999): "SSTV modes - line timing".
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* <http://www.tima.com/~djones/line.txt>
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*/
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ModeSpecDef ModeSpec[] = {
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[M1] = { // N7CXI, 2000
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.Name = "Martin M1",
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.ShortName = "M1",
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.SyncLen = 4.862e-3,
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.PorchLen = 0.572e-3,
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.SeparatorLen = 0.572e-3,
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.PixelLen = 0.4576e-3,
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.LineLen = 446.446e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = GBR },
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[M2] = { // N7CXI, 2000
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.Name = "Martin M2",
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.ShortName = "M2",
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.SyncLen = 4.862e-3,
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.PorchLen = 0.572e-3,
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.SeparatorLen = 0.572e-3,
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.PixelLen = 0.2288e-3,
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.LineLen = 226.7986e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = GBR },
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[M3] = { // KB4YZ, 1999
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.Name = "Martin M3",
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.ShortName = "M3",
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.SyncLen = 4.862e-3,
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.PorchLen = 0.572e-3,
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.SeparatorLen = 0.572e-3,
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.PixelLen = 0.2288e-3,
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.LineLen = 446.446e-3,
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.ImgWidth = 320,
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.ImgHeight = 128,
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.YScale = 2,
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.ColorEnc = GBR },
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[M4] = { // KB4YZ, 1999
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.Name = "Martin M4",
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.ShortName = "M4",
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.SyncLen = 4.862e-3,
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.PorchLen = 0.572e-3,
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.SeparatorLen = 0.572e-3,
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.PixelLen = 0.2288e-3,
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.LineLen = 226.7986e-3,
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.ImgWidth = 320,
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.ImgHeight = 128,
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.YScale = 2,
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.ColorEnc = GBR },
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[S1] = { // N7CXI, 2000
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.Name = "Scottie S1",
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.ShortName = "S1",
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.SyncLen = 9e-3,
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.PorchLen = 1.5e-3,
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.SeparatorLen = 1.5e-3,
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.PixelLen = 0.4320e-3,
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.LineLen = 428.38e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = GBR },
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[S2] = { // N7CXI, 2000
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.Name = "Scottie S2",
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.ShortName = "S2",
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.SyncLen = 9e-3,
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.PorchLen = 1.5e-3,
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.SeparatorLen = 1.5e-3,
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.PixelLen = 0.2752e-3,
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.LineLen = 277.692e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = GBR },
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[SDX] = { // N7CXI, 2000
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.Name = "Scottie DX",
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.ShortName = "SDX",
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.SyncLen = 9e-3,
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.PorchLen = 1.5e-3,
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.SeparatorLen = 1.5e-3,
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.PixelLen = 1.08053e-3,
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.LineLen = 1050.3e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = GBR },
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[R72] = { // N7CXI, 2000
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.Name = "Robot 72",
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.ShortName = "R72",
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.SyncLen = 9e-3,
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.PorchLen = 3e-3,
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.SeparatorLen = 4.7e-3,
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.PixelLen = 0.2875e-3,
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.LineLen = 300e-3,
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.ImgWidth = 320,
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.ImgHeight = 240,
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.YScale = 1,
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.ColorEnc = YUV },
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[R36] = { // N7CXI, 2000
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.Name = "Robot 36",
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.ShortName = "R36",
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.SyncLen = 9e-3,
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.PorchLen = 3e-3,
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.SeparatorLen = 6e-3,
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.PixelLen = 0.1375e-3,
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.LineLen = 150e-3,
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.ImgWidth = 320,
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.ImgHeight = 240,
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.YScale = 1,
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.ColorEnc = YUV },
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[R24] = { // N7CXI, 2000
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.Name = "Robot 24",
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.ShortName = "R24",
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.SyncLen = 9e-3,
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.PorchLen = 3e-3,
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.SeparatorLen = 6e-3,
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.PixelLen = 0.1375e-3,
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.LineLen = 150e-3,
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.ImgWidth = 320,
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.ImgHeight = 240,
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.YScale = 1,
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.ColorEnc = YUV },
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[R24BW] = { // N7CXI, 2000
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.Name = "Robot 24 B/W",
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.ShortName = "R24BW",
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.SyncLen = 7e-3,
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.PorchLen = 0e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.291e-3,
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.LineLen = 100e-3,
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.ImgWidth = 320,
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.ImgHeight = 240,
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.YScale = 1,
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.ColorEnc = BW },
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[R12BW] = { // N7CXI, 2000
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.Name = "Robot 12 B/W",
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.ShortName = "R12BW",
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.SyncLen = 7e-3,
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.PorchLen = 0e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.291e-3,
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.LineLen = 100e-3,
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.ImgWidth = 320,
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.ImgHeight = 120,
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.YScale = 2,
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.ColorEnc = BW },
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[R8BW] = { // N7CXI, 2000
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.Name = "Robot 8 B/W",
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.ShortName = "R8BW",
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.SyncLen = 7e-3,
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.PorchLen = 0e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.188e-3,
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.LineLen = 67e-3,
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.ImgWidth = 320,
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.ImgHeight = 120,
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.YScale = 2,
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.ColorEnc = BW },
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[W2120] = { // KB4YZ, 1999
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.Name = "Wraase SC-2 120",
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.ShortName = "W2120",
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.SyncLen = 5.5225e-3,
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.PorchLen = 0.5e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.489039081e-3,
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.LineLen = 475.530018e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = RGB },
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[W2180] = { // N7CXI, 2000
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.Name = "Wraase SC-2 180",
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.ShortName = "W2180",
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.SyncLen = 5.5225e-3,
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.PorchLen = 0.5e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.734532e-3,
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.LineLen = 711.0225e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = RGB },
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[PD50] = { // N7CXI, 2000
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.Name = "PD-50",
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.ShortName = "PD50",
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.SyncLen = 20e-3,
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.PorchLen = 2.08e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.286e-3,
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.LineLen = 388.16e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = YUV },
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[PD90] = { // N7CXI, 2000
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.Name = "PD-90",
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.ShortName = "PD90",
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.SyncLen = 20e-3,
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.PorchLen = 2.08e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.532e-3,
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.LineLen = 703.04e-3,
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.ImgWidth = 320,
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.ImgHeight = 256,
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.YScale = 1,
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.ColorEnc = YUV },
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[PD120] = { // N7CXI, 2000
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.Name = "PD-120",
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.ShortName = "PD120",
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.SyncLen = 20e-3,
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.PorchLen = 2.08e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.19e-3,
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.LineLen = 508.48e-3,
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.ImgWidth = 640,
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.ImgHeight = 496,
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.YScale = 1,
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.ColorEnc = YUV },
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[PD160] = { // N7CXI, 2000
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.Name = "PD-160",
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.ShortName = "PD160",
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.SyncLen = 20e-3,
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.PorchLen = 2.08e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.382e-3,
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.LineLen = 804.416e-3,
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.ImgWidth = 512,
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.ImgHeight = 400,
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.YScale = 1,
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.ColorEnc = YUV },
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[PD180] = { // N7CXI, 2000
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.Name = "PD-180",
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.ShortName = "PD180",
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.SyncLen = 20e-3,
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.PorchLen = 2.08e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.286e-3,
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.LineLen = 754.24e-3,
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.ImgWidth = 640,
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.ImgHeight = 496,
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.YScale = 1,
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.ColorEnc = YUV },
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[PD240] = { // N7CXI, 2000
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.Name = "PD-240",
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.ShortName = "PD240",
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.SyncLen = 20e-3,
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.PorchLen = 2.08e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.382e-3,
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.LineLen = 1000e-3,
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.ImgWidth = 640,
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.ImgHeight = 496,
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.YScale = 1,
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.ColorEnc = YUV },
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[PD290] = { // N7CXI, 2000
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.Name = "PD-290",
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.ShortName = "PD290",
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.SyncLen = 20e-3,
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.PorchLen = 2.08e-3,
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.SeparatorLen = 0e-3,
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.PixelLen = 0.286e-3,
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.LineLen = 937.28e-3,
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.ImgWidth = 800,
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.ImgHeight = 616,
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.YScale = 1,
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.ColorEnc = YUV },
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[P3] = { // N7CXI, 2000
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.Name = "Pasokon P3",
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.ShortName = "P3",
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.SyncLen = 5.208e-3,
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.PorchLen = 1.042e-3,
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.SeparatorLen = 1.042e-3,
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.PixelLen = 0.2083e-3,
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.LineLen = 409.375e-3,
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.ImgWidth = 640,
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.ImgHeight = 496,
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.YScale = 1,
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.ColorEnc = RGB },
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[P5] = { // N7CXI, 2000
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.Name = "Pasokon P5",
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.ShortName = "P5",
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.SyncLen = 7.813e-3,
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.PorchLen = 1.563e-3,
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.SeparatorLen = 1.563e-3,
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.PixelLen = 0.3125e-3,
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.LineLen = 614.065e-3,
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.ImgWidth = 640,
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.ImgHeight = 496,
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.YScale = 1,
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.ColorEnc = RGB },
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[P7] = { // N7CXI, 2000
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.Name = "Pasokon P7",
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.ShortName = "P7",
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.SyncLen = 10.417e-3,
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.PorchLen = 2.083e-3,
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.SeparatorLen = 2.083e-3,
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.PixelLen = 0.4167e-3,
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.LineLen = 818.747e-3,
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.ImgWidth = 640,
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.ImgHeight = 496,
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.YScale = 1,
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.ColorEnc = RGB }
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};
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/*
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* Mapping of 7-bit VIS codes to modes
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*
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* Reference: Dave Jones KB4YZ (1998): "List of SSTV Modes with VIS Codes".
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* http://www.tima.com/~djones/vis.txt
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*
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*/
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// 0 1 2 3 4 5 6 7 8 9 A B C D E F
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guchar VISmap[] = { 0, 0, R8BW, 0, R24, 0, R12BW,0, R36, 0, R24BW,0, R72, 0, 0, 0, // 0
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1
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M4, 0, 0, 0, M3, 0, 0, 0, M2, 0, 0, 0, M1, 0, 0, 0, // 2
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0, 0, 0, 0, 0, 0, 0, W2180,S2, 0, 0, 0, S1, 0, 0, W2120, // 3
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, SDX, 0, 0, 0, // 4
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, PD50,PD290,PD120, // 5
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PD180,PD240,PD160,PD90,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6
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0, P3, P5, P7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; // 7
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// 0 1 2 3 4 5 6 7 8 9 A B C D E F
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