/* * QEMU WAV audio driver * * Copyright (c) 2004-2005 Vassili Karpov (malc) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "vl.h" #define AUDIO_CAP "wav" #include "audio_int.h" typedef struct WAVVoiceOut { HWVoiceOut hw; QEMUFile *f; int64_t old_ticks; void *pcm_buf; int total_samples; } WAVVoiceOut; static struct { audsettings_t settings; const char *wav_path; } conf = { { 44100, 2, AUD_FMT_S16 }, "qemu.wav" }; static int wav_run_out (HWVoiceOut *hw) { WAVVoiceOut *wav = (WAVVoiceOut *) hw; int rpos, live, decr, samples; uint8_t *dst; st_sample_t *src; int64_t now = qemu_get_clock (vm_clock); int64_t ticks = now - wav->old_ticks; int64_t bytes = (ticks * hw->info.bytes_per_second) / ticks_per_sec; if (bytes > INT_MAX) { samples = INT_MAX >> hw->info.shift; } else { samples = bytes >> hw->info.shift; } live = audio_pcm_hw_get_live_out (hw); if (!live) { return 0; } wav->old_ticks = now; decr = audio_MIN (live, samples); samples = decr; rpos = hw->rpos; while (samples) { int left_till_end_samples = hw->samples - rpos; int convert_samples = audio_MIN (samples, left_till_end_samples); src = hw->mix_buf + rpos; dst = advance (wav->pcm_buf, rpos << hw->info.shift); hw->clip (dst, src, convert_samples); qemu_put_buffer (wav->f, dst, convert_samples << hw->info.shift); rpos = (rpos + convert_samples) % hw->samples; samples -= convert_samples; wav->total_samples += convert_samples; } hw->rpos = rpos; return decr; } static int wav_write_out (SWVoiceOut *sw, void *buf, int len) { return audio_pcm_sw_write (sw, buf, len); } /* VICE code: Store number as little endian. */ static void le_store (uint8_t *buf, uint32_t val, int len) { int i; for (i = 0; i < len; i++) { buf[i] = (uint8_t) (val & 0xff); val >>= 8; } } static int wav_init_out (HWVoiceOut *hw, audsettings_t *as) { WAVVoiceOut *wav = (WAVVoiceOut *) hw; int bits16 = 0, stereo = 0; uint8_t hdr[] = { 0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56, 0x45, 0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04, 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00 }; audsettings_t wav_as = conf.settings; (void) as; stereo = wav_as.nchannels == 2; switch (wav_as.fmt) { case AUD_FMT_S8: case AUD_FMT_U8: bits16 = 0; break; case AUD_FMT_S16: case AUD_FMT_U16: bits16 = 1; break; } hdr[34] = bits16 ? 0x10 : 0x08; wav_as.endianness = 0; audio_pcm_init_info (&hw->info, &wav_as); hw->samples = 1024; wav->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); if (!wav->pcm_buf) { dolog ("Could not allocate buffer (%d bytes)\n", hw->samples << hw->info.shift); return -1; } le_store (hdr + 22, hw->info.nchannels, 2); le_store (hdr + 24, hw->info.freq, 4); le_store (hdr + 28, hw->info.freq << (bits16 + stereo), 4); le_store (hdr + 32, 1 << (bits16 + stereo), 2); wav->f = fopen (conf.wav_path, "wb"); if (!wav->f) { dolog ("Failed to open wave file `%s'\nReason: %s\n", conf.wav_path, strerror (errno)); qemu_free (wav->pcm_buf); wav->pcm_buf = NULL; return -1; } qemu_put_buffer (wav->f, hdr, sizeof (hdr)); return 0; } static void wav_fini_out (HWVoiceOut *hw) { WAVVoiceOut *wav = (WAVVoiceOut *) hw; uint8_t rlen[4]; uint8_t dlen[4]; uint32_t datalen = wav->total_samples << hw->info.shift; uint32_t rifflen = datalen + 36; if (!wav->f) { return; } le_store (rlen, rifflen, 4); le_store (dlen, datalen, 4); qemu_fseek (wav->f, 4, SEEK_SET); qemu_put_buffer (wav->f, rlen, 4); qemu_fseek (wav->f, 32, SEEK_CUR); qemu_put_buffer (wav->f, dlen, 4); fclose (wav->f); wav->f = NULL; qemu_free (wav->pcm_buf); wav->pcm_buf = NULL; } static int wav_ctl_out (
/*
             LUFA Library
     Copyright (C) Dean Camera, 2017.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
*/

/*
  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)

  Permission to use, copy, modify, distribute, and sell this
  software and its documentation for any purpose is hereby granted
  without fee, provided that the above copyright notice appear in
  all copies and that both that the copyright notice and this
  permission notice and warranty disclaimer appear in supporting
  documentation, and that the name of the author not be used in
  advertising or publicity pertaining to distribution of the
  software without specific, written prior permission.

  The author disclaims all warranties with regard to this
  software, including all implied warranties of merchantability
  and fitness.  In no event shall the author be liable for any
  special, indirect or consequential damages or any damages
  whatsoever resulting from loss of use, data or profits, whether
  in an action of contract, negligence or other tortious action,
  arising out of or in connection with the use or performance of
  this software.
*/

/** \file
 *  \brief Application Configuration Header File
 *
 *  This is a header file which is be used to configure some of
 *  the application's compile time options, as an alternative to
 *  specifying the compile time constants supplied through a
 *  makefile or build system.
 *
 *  For information on what each token does, refer to the
 *  \ref Sec_Options section of the application documentation.
 */

#ifndef _APP_CONFIG_H_
#define _APP_CONFIG_H_

	#define MAX_SIMULTANEOUS_NOTES     3

#endif
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