FreeCalypso > hg > vband-misc
view pcmu2efr/pcmu-input.c @ 34:307fe06fabec
dhf: generate EFR hex DHF in C form
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 14 May 2024 03:36:31 +0000 |
parents | 1794bf0fbcf7 |
children |
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/* * This program emits the full sequence (3 EHFs and 2 copies of seqsyncu) * that needs to be fed to TRAU DL input from G.711 PCMU side to perform * the test of reversing the EFR variant used and finding frame sync. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <strings.h> extern const uint8_t seqsyncu_last_frame[160]; main(argc, argv) char **argv; { FILE *outf; uint8_t ehf[160]; if (argc != 2) { fprintf(stderr, "usage: %s pcmu-out-file\n", argv[0]); exit(1); } outf = fopen(argv[1], "w"); if (!outf) { perror(argv[1]); exit(1); } memset(ehf, 0xFE, 160); fwrite(ehf, 1, 160, outf); fwrite(ehf, 1, 160, outf); fwrite(ehf, 1, 160, outf); fwrite(seqsyncu_last_frame, 1, 160, outf); fwrite(seqsyncu_last_frame, 1, 160, outf); fclose(outf); exit(0); }