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Diffstat (limited to 'qemu/audio/wavaudio.c')
-rw-r--r--qemu/audio/wavaudio.c293
1 files changed, 0 insertions, 293 deletions
diff --git a/qemu/audio/wavaudio.c b/qemu/audio/wavaudio.c
deleted file mode 100644
index 345952e51..000000000
--- a/qemu/audio/wavaudio.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * 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 "qemu/osdep.h"
-#include "hw/hw.h"
-#include "qemu/timer.h"
-#include "audio.h"
-
-#define AUDIO_CAP "wav"
-#include "audio_int.h"
-
-typedef struct WAVVoiceOut {
- HWVoiceOut hw;
- FILE *f;
- int64_t old_ticks;
- void *pcm_buf;
- int total_samples;
-} WAVVoiceOut;
-
-typedef struct {
- struct audsettings settings;
- const char *wav_path;
-} WAVConf;
-
-static int wav_run_out (HWVoiceOut *hw, int live)
-{
- WAVVoiceOut *wav = (WAVVoiceOut *) hw;
- int rpos, decr, samples;
- uint8_t *dst;
- struct st_sample *src;
- int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- int64_t ticks = now - wav->old_ticks;
- int64_t bytes =
- muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND);
-
- if (bytes > INT_MAX) {
- samples = INT_MAX >> hw->info.shift;
- }
- else {
- samples = bytes >> hw->info.shift;
- }
-
- 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);
- if (fwrite (dst, convert_samples << hw->info.shift, 1, wav->f) != 1) {
- dolog ("wav_run_out: fwrite of %d bytes failed\nReaons: %s\n",
- convert_samples << hw->info.shift, strerror (errno));
- }
-
- 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, struct audsettings *as,
- void *drv_opaque)
-{
- 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
- };
- WAVConf *conf = drv_opaque;
- struct audsettings wav_as = conf->settings;
-
- 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;
-
- case AUD_FMT_S32:
- case AUD_FMT_U32:
- dolog ("WAVE files can not handle 32bit formats\n");
- return -1;
- }
-
- 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));
- g_free (wav->pcm_buf);
- wav->pcm_buf = NULL;
- return -1;
- }
-
- if (fwrite (hdr, sizeof (hdr), 1, wav->f) != 1) {
- dolog ("wav_init_out: failed to write header\nReason: %s\n",
- strerror(errno));
- return -1;
- }
- 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);
-
- if (fseek (wav->f, 4, SEEK_SET)) {
- dolog ("wav_fini_out: fseek to rlen failed\nReason: %s\n",
- strerror(errno));
- goto doclose;
- }
- if (fwrite (rlen, 4, 1, wav->f) != 1) {
- dolog ("wav_fini_out: failed to write rlen\nReason: %s\n",
- strerror (errno));
- goto doclose;
- }
- if (fseek (wav->f, 32, SEEK_CUR)) {
- dolog ("wav_fini_out: fseek to dlen failed\nReason: %s\n",
- strerror (errno));
- goto doclose;
- }
- if (fwrite (dlen, 4, 1, wav->f) != 1) {
- dolog ("wav_fini_out: failed to write dlen\nReaons: %s\n",
- strerror (errno));
- goto doclose;
- }
-
- doclose:
- if (fclose (wav->f)) {
- dolog ("wav_fini_out: fclose %p failed\nReason: %s\n",
- wav->f, strerror (errno));
- }
- wav->f = NULL;
-
- g_free (wav->pcm_buf);
- wav->pcm_buf = NULL;
-}
-
-static int wav_ctl_out (HWVoiceOut *hw, int cmd, ...)
-{
- (void) hw;
- (void) cmd;
- return 0;
-}
-
-static WAVConf glob_conf = {
- .settings.freq = 44100,
- .settings.nchannels = 2,
- .settings.fmt = AUD_FMT_S16,
- .wav_path = "qemu.wav"
-};
-
-static void *wav_audio_init (void)
-{
- WAVConf *conf = g_malloc(sizeof(WAVConf));
- *conf = glob_conf;
- return conf;
-}
-
-static void wav_audio_fini (void *opaque)
-{
- ldebug ("wav_fini");
- g_free(opaque);
-}
-
-static struct audio_option wav_options[] = {
- {
- .name = "FREQUENCY",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.settings.freq,
- .descr = "Frequency"
- },
- {
- .name = "FORMAT",
- .tag = AUD_OPT_FMT,
- .valp = &glob_conf.settings.fmt,
- .descr = "Format"
- },
- {
- .name = "DAC_FIXED_CHANNELS",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.settings.nchannels,
- .descr = "Number of channels (1 - mono, 2 - stereo)"
- },
- {
- .name = "PATH",
- .tag = AUD_OPT_STR,
- .valp = &glob_conf.wav_path,
- .descr = "Path to wave file"
- },
- { /* End of list */ }
-};
-
-static struct audio_pcm_ops wav_pcm_ops = {
- .init_out = wav_init_out,
- .fini_out = wav_fini_out,
- .run_out = wav_run_out,
- .write = wav_write_out,
- .ctl_out = wav_ctl_out,
-};
-
-struct audio_driver wav_audio_driver = {
- .name = "wav",
- .descr = "WAV renderer http://wikipedia.org/wiki/WAV",
- .options = wav_options,
- .init = wav_audio_init,
- .fini = wav_audio_fini,
- .pcm_ops = &wav_pcm_ops,
- .can_be_default = 0,
- .max_voices_out = 1,
- .max_voices_in = 0,
- .voice_size_out = sizeof (WAVVoiceOut),
- .voice_size_in = 0
-};