forked from len0rd/rockbox
Initial check in dumb 0.9.2 - has a few usages of floating point that should
be rewritten to fixed point. seems to compile cleanly for iriver. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6197 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michiel Van Der Kolk
parent
7e7662bb71
commit
27be5bc728
67 changed files with 18488 additions and 1 deletions
335
apps/codecs/dumb/examples/dumbout.c
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335
apps/codecs/dumb/examples/dumbout.c
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/* _______ ____ __ ___ ___
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* \ _ \ \ / \ / \ \ / / ' ' '
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* | | \ \ | | || | \/ | . .
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* | | | | | | || ||\ /| |
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* | | | | | | || || \/ | | ' ' '
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* | | | | | | || || | | . .
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* | |_/ / \ \__// || | |
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* /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
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* / \
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* / . \
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* dumbout.c - Utility to stream music to a file. / / \ \
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* | < / \_
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* By entheh. | \/ /\ /
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* \_ / > /
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* | \ / /
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* | ' /
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* \__/
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*/
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#include <time.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <math.h>
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#include <string.h>
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#include <dumb.h>
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union {
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short s16[8192];
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char s8[16384];
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} buffer;
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int main(int argc, const char *const *argv) /* I'm const-crazy! */
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{
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DUH *duh;
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DUH_SIGRENDERER *sr;
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const char *fn = NULL;
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const char *fn_out = NULL;
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FILE *outf;
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int depth = 16;
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int bigendian = 0;
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int unsign = 0;
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int freq = 44100;
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int n_channels = 2;
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float volume = 1.0f;
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float delay = 0.0f;
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float delta;
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int bufsize;
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clock_t start, end;
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int i = 1;
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LONG_LONG length;
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LONG_LONG done;
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int dots;
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while (i < argc) {
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const char *arg = argv[i++];
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if (*arg != '-') {
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if (fn) {
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fprintf(stderr,
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"Cannot specify multiple filenames!\n"
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"Second filename found: \"%s\"\n", arg);
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return 1;
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}
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fn = arg;
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continue;
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}
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arg++;
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while (*arg) {
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char *endptr;
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switch (*arg++) {
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case 'o':
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case 'O':
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if (i >= argc) {
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fprintf(stderr, "Out of arguments; output filename expected!\n");
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return 1;
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}
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fn_out = argv[i++];
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break;
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case 'd':
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case 'D':
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if (i >= argc) {
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fprintf(stderr, "Out of arguments; delay expected!\n");
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return 1;
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}
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delay = (float)strtod(argv[i++], &endptr);
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if (*endptr != 0 || delay < 0.0f || delay > 64.0f) {
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fprintf(stderr, "Invalid delay!\n");
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return 1;
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}
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break;
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case 'v':
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case 'V':
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if (i >= argc) {
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fprintf(stderr, "Out of arguments; volume expected!\n");
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return 1;
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}
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volume = (float)strtod(argv[i++], &endptr);
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if (*endptr != 0 || volume < -8.0f || volume > 8.0f) {
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fprintf(stderr, "Invalid volume!\n");
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return 1;
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}
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break;
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case 's':
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case 'S':
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if (i >= argc) {
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fprintf(stderr, "Out of arguments; sampling rate expected!\n");
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return 1;
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}
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freq = strtol(argv[i++], &endptr, 10);
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if (*endptr != 0 || freq < 1 || freq > 960000) {
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fprintf(stderr, "Invalid sampling rate!\n");
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return 1;
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}
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break;
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case '8':
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depth = 8;
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break;
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case 'b':
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case 'B':
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bigendian = 1;
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break;
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case 'm':
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case 'M':
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n_channels = 1;
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break;
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case 'u':
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case 'U':
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unsign = 1;
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break;
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case 'r':
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case 'R':
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if (i >= argc) {
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fprintf(stderr, "Out of arguments; resampling quality expected!\n");
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return 1;
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}
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dumb_resampling_quality = strtol(argv[i++], &endptr, 10);
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if (*endptr != 0 || dumb_resampling_quality < 0 || dumb_resampling_quality > 2) {
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fprintf(stderr, "Invalid resampling quality!\n");
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return 1;
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}
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break;
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default:
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fprintf(stderr, "Invalid switch - '%c'!\n", isprint(arg[-1]) ? arg[-1] : '?');
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return 1;
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}
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}
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}
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if (!fn) {
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fprintf(stderr,
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"Usage: dumbout [options] module [more-options]\n"
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"\n"
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"The module can be any IT, XM, S3M or MOD file. It will be rendered to a .pcm\n"
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"file of the same name, unless you specify otherwise with the -o option.\n"
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"\n"
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"The valid options are:\n"
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"-o <file> specify the output filename (defaults to the input filename with\n"
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" the extension replaced with .pcm); use - to write to standard\n"
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" output or . to write nowhere (useful for measuring DUMB's\n"
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" performance, and DOS and Windows don't have /dev/null!)\n"
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"-d <delay> set the initial delay, in seconds (default 0.0)\n"
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"-v <volume> adjust the volume (default 1.0)\n"
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"-s <freq> set the sampling rate in Hz (default 44100)\n"
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"-8 generate 8-bit instead of 16-bit\n"
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"-b generate big-endian data instead of little-endian (meaningless when\n"
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" using -8)\n"
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"-m generate mono output instead of stereo left/right pairs\n"
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"-u generated unsigned output instead of signed\n"
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"-r <value> specify the resampling quality to use\n");
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return 1;
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}
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atexit(&dumb_exit);
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dumb_register_stdfiles();
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dumb_it_max_to_mix = 256;
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duh = load_duh(fn);
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if (!duh) {
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duh = dumb_load_it(fn);
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if (!duh) {
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duh = dumb_load_xm(fn);
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if (!duh) {
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duh = dumb_load_s3m(fn);
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if (!duh) {
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duh = dumb_load_mod(fn);
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if (!duh) {
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fprintf(stderr, "Unable to open %s!\n", fn);
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return 1;
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}
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}
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}
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}
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}
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sr = duh_start_sigrenderer(duh, 0, n_channels, 0);
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if (!sr) {
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unload_duh(duh);
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fprintf(stderr, "Unable to play file!\n");
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return 1;
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}
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if (fn_out) {
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if (fn_out[0] == '-' && fn_out[1] == 0)
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outf = stdout;
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else if (fn_out[0] == '.' && fn_out[1] == 0)
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outf = NULL;
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else {
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outf = fopen(fn_out, "wb");
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if (!outf) {
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fprintf(stderr, "Unable to open %s for writing!\n", fn_out);
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duh_end_sigrenderer(sr);
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unload_duh(duh);
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return 1;
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}
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}
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} else {
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char *extptr = NULL, *p;
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char *fn_out = malloc(strlen(fn)+5);
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if (!fn_out) {
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fprintf(stderr, "Out of memory!\n");
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duh_end_sigrenderer(sr);
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unload_duh(duh);
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return 1;
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}
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strcpy(fn_out, fn);
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for (p = fn_out; *p; p++)
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if (*p == '.') extptr = p;
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if (!extptr) extptr = p;
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strcpy(extptr, ".pcm");
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outf = fopen(fn_out, "wb");
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if (!outf) {
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fprintf(stderr, "Unable to open %s for writing!\n", fn_out);
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free(fn_out);
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duh_end_sigrenderer(sr);
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unload_duh(duh);
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return 1;
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}
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free(fn_out);
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}
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{
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DUMB_IT_SIGRENDERER *itsr = duh_get_it_sigrenderer(sr);
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dumb_it_set_loop_callback(itsr, &dumb_it_callback_terminate, NULL);
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dumb_it_set_xm_speed_zero_callback(itsr, &dumb_it_callback_terminate, NULL);
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}
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length = (LONG_LONG)duh_get_length(duh) * freq >> 16;
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done = 0;
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dots = 0;
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delta = 65536.0f / freq;
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bufsize = depth == 16 ? 8192 : 16384;
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bufsize /= n_channels;
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{
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long l = (long)floor(delay * freq + 0.5f);
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l *= n_channels * (depth >> 3);
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if (l) {
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if (unsign) {
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if (depth == 16) {
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if (bigendian) {
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for (i = 0; i < 8192; i++) {
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buffer.s8[i*2] = 0x80;
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buffer.s8[i*2+1] = 0x00;
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}
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} else {
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for (i = 0; i < 8192; i++) {
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buffer.s8[i*2] = 0x00;
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buffer.s8[i*2+1] = 0x80;
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}
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}
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} else
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memset(buffer.s8, 0x80, 16384);
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} else
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memset(buffer.s8, 0, 16384);
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while (l >= 16384) {
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if (outf) fwrite(buffer.s8, 1, 16384, outf);
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l -= 16384;
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}
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if (l && outf) fwrite(buffer.s8, 1, l, outf);
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}
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}
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start = clock();
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fprintf(stderr, "................................................................\n");
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for (;;) {
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int l = duh_render(sr, depth, unsign, volume, delta, bufsize, &buffer);
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if (depth == 16) {
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if (bigendian) {
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for (i = 0; i < l * n_channels; i++) {
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short val = buffer.s16[i];
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buffer.s8[i*2] = val >> 8;
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buffer.s8[i*2+1] = val;
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}
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} else {
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for (i = 0; i < l * n_channels; i++) {
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short val = buffer.s16[i];
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buffer.s8[i*2] = val;
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buffer.s8[i*2+1] = val >> 8;
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}
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}
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}
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if (outf) fwrite(buffer.s8, 1, l * n_channels * (depth >> 3), outf);
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if (l < bufsize) break;
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done += l;
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l = done * 64 / length;
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while (dots < 64 && l > dots) {
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fprintf(stderr, "|");
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dots++;
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}
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}
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while (64 > dots) {
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fprintf(stderr, "|");
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dots++;
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}
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fprintf(stderr, "\n");
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end = clock();
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duh_end_sigrenderer(sr);
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unload_duh(duh);
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if (outf && outf != stdout) fclose(outf);
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fprintf(stderr, "Elapsed time: %f seconds\n", (end - start) / (float)CLOCKS_PER_SEC);
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return 0;
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}
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