Mercurial > sdl-ios-xcode
annotate test/testresample.c @ 3502:98a819296cdc
Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode.
If it loses any of those properties the desktop mode will be restored.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 01 Dec 2009 08:56:12 +0000 |
| parents | 62d4992e5a92 |
| children |
| rev | line source |
|---|---|
| 3017 | 1 #include <stdio.h> |
| 2 #include "SDL.h" | |
| 3 | |
| 3040 | 4 int |
| 5 main(int argc, char **argv) | |
| 3017 | 6 { |
| 7 SDL_AudioSpec spec; | |
| 8 SDL_AudioCVT cvt; | |
| 9 Uint32 len = 0; | |
| 10 Uint8 *data = NULL; | |
| 11 int cvtfreq = 0; | |
| 12 int bitsize = 0; | |
| 13 int blockalign = 0; | |
| 14 int avgbytes = 0; | |
| 15 SDL_RWops *io = NULL; | |
| 16 | |
| 3040 | 17 if (argc != 4) { |
| 3017 | 18 fprintf(stderr, "USAGE: %s in.wav out.wav newfreq\n", argv[0]); |
| 19 return 1; | |
| 20 } | |
| 21 | |
| 22 cvtfreq = atoi(argv[3]); | |
| 23 | |
| 3040 | 24 if (SDL_Init(SDL_INIT_AUDIO) == -1) { |
| 3017 | 25 fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError()); |
| 26 return 2; | |
| 27 } | |
| 28 | |
| 3040 | 29 if (SDL_LoadWAV(argv[1], &spec, &data, &len) == NULL) { |
| 3017 | 30 fprintf(stderr, "failed to load %s: %s\n", argv[1], SDL_GetError()); |
| 31 SDL_Quit(); | |
| 32 return 3; | |
| 33 } | |
| 34 | |
| 35 if (SDL_BuildAudioCVT(&cvt, spec.format, spec.channels, spec.freq, | |
| 3040 | 36 spec.format, spec.channels, cvtfreq) == -1) { |
| 3017 | 37 fprintf(stderr, "failed to build CVT: %s\n", SDL_GetError()); |
| 38 SDL_FreeWAV(data); | |
| 39 SDL_Quit(); | |
| 40 return 4; | |
| 41 } | |
| 42 | |
| 43 cvt.len = len; | |
| 44 cvt.buf = (Uint8 *) malloc(len * cvt.len_mult); | |
| 3040 | 45 if (cvt.buf == NULL) { |
| 3017 | 46 fprintf(stderr, "Out of memory.\n"); |
| 47 SDL_FreeWAV(data); | |
| 48 SDL_Quit(); | |
| 49 return 5; | |
| 50 } | |
| 51 memcpy(cvt.buf, data, len); | |
| 52 | |
| 3040 | 53 if (SDL_ConvertAudio(&cvt) == -1) { |
| 3017 | 54 fprintf(stderr, "Conversion failed: %s\n", SDL_GetError()); |
| 55 free(cvt.buf); | |
| 56 SDL_FreeWAV(data); | |
| 57 SDL_Quit(); | |
| 58 return 6; | |
| 59 } | |
| 60 | |
| 61 /* write out a WAV header... */ | |
| 62 io = SDL_RWFromFile(argv[2], "wb"); | |
| 3040 | 63 if (io == NULL) { |
| 3017 | 64 fprintf(stderr, "fopen('%s') failed: %s\n", argv[2], SDL_GetError()); |
| 65 free(cvt.buf); | |
| 66 SDL_FreeWAV(data); | |
| 67 SDL_Quit(); | |
| 68 return 7; | |
| 69 } | |
| 70 | |
| 71 bitsize = SDL_AUDIO_BITSIZE(spec.format); | |
| 72 blockalign = (bitsize / 8) * spec.channels; | |
| 73 avgbytes = cvtfreq * blockalign; | |
| 74 | |
| 3040 | 75 SDL_WriteLE32(io, 0x46464952); /* RIFF */ |
| 3017 | 76 SDL_WriteLE32(io, len * cvt.len_mult + 36); |
| 3040 | 77 SDL_WriteLE32(io, 0x45564157); /* WAVE */ |
| 78 SDL_WriteLE32(io, 0x20746D66); /* fmt */ | |
| 79 SDL_WriteLE32(io, 16); /* chunk size */ | |
| 80 SDL_WriteLE16(io, 1); /* uncompressed */ | |
| 81 SDL_WriteLE16(io, spec.channels); /* channels */ | |
| 82 SDL_WriteLE32(io, cvtfreq); /* sample rate */ | |
| 83 SDL_WriteLE32(io, avgbytes); /* average bytes per second */ | |
| 84 SDL_WriteLE16(io, blockalign); /* block align */ | |
| 85 SDL_WriteLE16(io, bitsize); /* significant bits per sample */ | |
| 86 SDL_WriteLE32(io, 0x61746164); /* data */ | |
| 87 SDL_WriteLE32(io, cvt.len_cvt); /* size */ | |
|
3018
d706d3170d7d
testresample.c: Write out correct size for resampled buffer.
Ryan C. Gordon <icculus@icculus.org>
parents:
3017
diff
changeset
|
88 SDL_RWwrite(io, cvt.buf, cvt.len_cvt, 1); |
| 3017 | 89 |
| 3040 | 90 if (SDL_RWclose(io) == -1) { |
| 3017 | 91 fprintf(stderr, "fclose('%s') failed: %s\n", argv[2], SDL_GetError()); |
| 92 free(cvt.buf); | |
| 93 SDL_FreeWAV(data); | |
| 94 SDL_Quit(); | |
| 95 return 8; | |
| 3040 | 96 } // if |
| 3017 | 97 |
| 98 free(cvt.buf); | |
| 99 SDL_FreeWAV(data); | |
| 100 SDL_Quit(); | |
| 101 return 0; | |
| 3040 | 102 } // main |
| 3017 | 103 |
| 104 // end of resample_test.c ... |