2 * QEMU FMOD audio output driver
4 * Copyright (c) 2004 Vassili Karpov (malc)
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include <fmod_errors.h>
28 #include "audio/audio_int.h"
30 typedef struct FMODVoice {
33 FSOUND_SAMPLE *fmod_sample;
37 #define dolog(...) AUD_log ("fmod", __VA_ARGS__)
39 #define ldebug(...) dolog (__VA_ARGS__)
44 #define QC_FMOD_DRV "QEMU_FMOD_DRV"
45 #define QC_FMOD_FREQ "QEMU_FMOD_FREQ"
46 #define QC_FMOD_SAMPLES "QEMU_FMOD_SAMPLES"
47 #define QC_FMOD_CHANNELS "QEMU_FMOD_CHANNELS"
48 #define QC_FMOD_BUFSIZE "QEMU_FMOD_BUFSIZE"
49 #define QC_FMOD_THRESHOLD "QEMU_FMOD_THRESHOLD"
65 #define errstr() FMOD_ErrorString (FSOUND_GetError ())
67 static int fmod_hw_write (SWVoice *sw, void *buf, int len)
69 return pcm_hw_write (sw, buf, len);
72 static void fmod_clear_sample (FMODVoice *fmd)
74 HWVoice *hw = &fmd->hw;
76 void *p1 = 0, *p2 = 0;
77 unsigned int len1 = 0, len2 = 0;
79 status = FSOUND_Sample_Lock (
82 hw->samples << hw->shift,
90 dolog ("Failed to lock sample\nReason: %s\n", errstr ());
94 if ((len1 & hw->align) || (len2 & hw->align)) {
95 dolog ("Locking sample returned unaligned length %d, %d\n",
100 if (len1 + len2 != hw->samples << hw->shift) {
101 dolog ("Locking sample returned incomplete length %d, %d\n",
102 len1 + len2, hw->samples << hw->shift);
105 pcm_hw_clear (hw, p1, hw->samples);
108 status = FSOUND_Sample_Unlock (fmd->fmod_sample, p1, p2, len1, len2);
110 dolog ("Failed to unlock sample\nReason: %s\n", errstr ());
114 static int fmod_write_sample (HWVoice *hw, uint8_t *dst, st_sample_t *src,
115 int src_size, int src_pos, int dst_len)
117 int src_len1 = dst_len, src_len2 = 0, pos = src_pos + dst_len;
118 st_sample_t *src1 = src + src_pos, *src2 = 0;
120 if (src_pos + dst_len > src_size) {
121 src_len1 = src_size - src_pos;
123 src_len2 = dst_len - src_len1;
128 hw->clip (dst, src1, src_len1);
129 memset (src1, 0, src_len1 * sizeof (st_sample_t));
130 advance (dst, src_len1);
134 hw->clip (dst, src2, src_len2);
135 memset (src2, 0, src_len2 * sizeof (st_sample_t));
140 static int fmod_unlock_sample (FMODVoice *fmd, void *p1, void *p2,
141 unsigned int blen1, unsigned int blen2)
143 int status = FSOUND_Sample_Unlock (fmd->fmod_sample, p1, p2, blen1, blen2);
145 dolog ("Failed to unlock sample\nReason: %s\n", errstr ());
151 static int fmod_lock_sample (FMODVoice *fmd, int pos, int len,
152 void **p1, void **p2,
153 unsigned int *blen1, unsigned int *blen2)
155 HWVoice *hw = &fmd->hw;
158 status = FSOUND_Sample_Lock (
169 dolog ("Failed to lock sample\nReason: %s\n", errstr ());
173 if ((*blen1 & hw->align) || (*blen2 & hw->align)) {
174 dolog ("Locking sample returned unaligned length %d, %d\n",
176 fmod_unlock_sample (fmd, *p1, *p2, *blen1, *blen2);
182 static void fmod_hw_run (HWVoice *hw)
184 FMODVoice *fmd = (FMODVoice *) hw;
185 int rpos, live, decr;
186 void *p1 = 0, *p2 = 0;
187 unsigned int blen1 = 0, blen2 = 0;
188 unsigned int len1 = 0, len2 = 0;
191 live = pcm_hw_get_live2 (hw, &nb_active);
196 if (!hw->pending_disable
199 && live <= conf.threshold) {
200 ldebug ("live=%d nb_active=%d\n", live, nb_active);
207 if (fmd->channel >= 0) {
208 int pos2 = (fmd->old_pos + decr) % hw->samples;
209 int pos = FSOUND_GetCurrentPosition (fmd->channel);
211 if (fmd->old_pos < pos && pos2 >= pos) {
212 decr = pos - fmd->old_pos - (pos2 == pos) - 1;
214 else if (fmd->old_pos > pos && pos2 >= pos && pos2 < fmd->old_pos) {
215 decr = (hw->samples - fmd->old_pos) + pos - (pos2 == pos) - 1;
217 /* ldebug ("pos=%d pos2=%d old=%d live=%d decr=%d\n", */
218 /* pos, pos2, fmd->old_pos, live, decr); */
226 if (fmod_lock_sample (fmd, fmd->old_pos, decr, &p1, &p2, &blen1, &blen2)) {
230 len1 = blen1 >> hw->shift;
231 len2 = blen2 >> hw->shift;
232 ldebug ("%p %p %d %d %d %d\n", p1, p2, len1, len2, blen1, blen2);
237 rpos = fmod_write_sample (hw, p1, hw->mix_buf, hw->samples, rpos, len1);
241 rpos = fmod_write_sample (hw, p2, hw->mix_buf, hw->samples, rpos, len2);
244 fmod_unlock_sample (fmd, p1, p2, blen1, blen2);
246 pcm_hw_dec_live (hw, decr);
247 hw->rpos = rpos % hw->samples;
248 fmd->old_pos = (fmd->old_pos + decr) % hw->samples;
251 static int AUD_to_fmodfmt (audfmt_e fmt, int stereo)
253 int mode = FSOUND_LOOP_NORMAL;
257 mode |= FSOUND_SIGNED | FSOUND_8BITS;
261 mode |= FSOUND_UNSIGNED | FSOUND_8BITS;
265 mode |= FSOUND_SIGNED | FSOUND_16BITS;
269 mode |= FSOUND_UNSIGNED | FSOUND_16BITS;
273 dolog ("Internal logic error: Bad audio format %d\nAborting\n", fmt);
276 mode |= stereo ? FSOUND_STEREO : FSOUND_MONO;
280 static void fmod_hw_fini (HWVoice *hw)
282 FMODVoice *fmd = (FMODVoice *) hw;
284 if (fmd->fmod_sample) {
285 FSOUND_Sample_Free (fmd->fmod_sample);
286 fmd->fmod_sample = 0;
288 if (fmd->channel >= 0) {
289 FSOUND_StopSound (fmd->channel);
294 static int fmod_hw_init (HWVoice *hw, int freq, int nchannels, audfmt_e fmt)
296 int bits16, mode, channel;
297 FMODVoice *fmd = (FMODVoice *) hw;
299 mode = AUD_to_fmodfmt (fmt, nchannels == 2 ? 1 : 0);
300 fmd->fmod_sample = FSOUND_Sample_Alloc (
301 FSOUND_FREE, /* index */
302 conf.nb_samples, /* length */
310 if (!fmd->fmod_sample) {
311 dolog ("Failed to allocate FMOD sample\nReason: %s\n", errstr ());
315 channel = FSOUND_PlaySoundEx (FSOUND_FREE, fmd->fmod_sample, 0, 1);
317 dolog ("Failed to start playing sound\nReason: %s\n", errstr ());
318 FSOUND_Sample_Free (fmd->fmod_sample);
321 fmd->channel = channel;
325 hw->nchannels = nchannels;
326 bits16 = fmt == AUD_FMT_U16 || fmt == AUD_FMT_S16;
327 hw->bufsize = conf.nb_samples << (nchannels == 2) << bits16;
331 static int fmod_hw_ctl (HWVoice *hw, int cmd, ...)
334 FMODVoice *fmd = (FMODVoice *) hw;
338 fmod_clear_sample (fmd);
339 status = FSOUND_SetPaused (fmd->channel, 0);
341 dolog ("Failed to resume channel %d\nReason: %s\n",
342 fmd->channel, errstr ());
347 status = FSOUND_SetPaused (fmd->channel, 1);
349 dolog ("Failed to pause channel %d\nReason: %s\n",
350 fmd->channel, errstr ());
361 {"none", FSOUND_OUTPUT_NOSOUND},
363 {"winmm", FSOUND_OUTPUT_WINMM},
364 {"dsound", FSOUND_OUTPUT_DSOUND},
365 {"a3d", FSOUND_OUTPUT_A3D},
366 {"asio", FSOUND_OUTPUT_ASIO},
369 {"oss", FSOUND_OUTPUT_OSS},
370 {"alsa", FSOUND_OUTPUT_ALSA},
371 {"esd", FSOUND_OUTPUT_ESD},
374 {"mac", FSOUND_OUTPUT_MAC},
377 {"xbox", FSOUND_OUTPUT_XBOX},
378 {"ps2", FSOUND_OUTPUT_PS2},
379 {"gcube", FSOUND_OUTPUT_GC},
381 {"nort", FSOUND_OUTPUT_NOSOUND_NONREALTIME}
384 static void *fmod_audio_init (void)
389 int output_type = -1;
390 const char *drv = audio_get_conf_str (QC_FMOD_DRV, NULL);
392 ver = FSOUND_GetVersion ();
393 if (ver < FMOD_VERSION) {
394 dolog ("Wrong FMOD version %f, need at least %f\n", ver, FMOD_VERSION);
400 for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) {
401 if (!strcmp (drv, drvtab[i].name)) {
402 output_type = drvtab[i].type;
408 dolog ("Unknown FMOD output driver `%s'\n", drv);
412 if (output_type != -1) {
413 status = FSOUND_SetOutput (output_type);
415 dolog ("FSOUND_SetOutput(%d) failed\nReason: %s\n",
416 output_type, errstr ());
421 conf.freq = audio_get_conf_int (QC_FMOD_FREQ, conf.freq);
422 conf.nb_samples = audio_get_conf_int (QC_FMOD_SAMPLES, conf.nb_samples);
424 audio_get_conf_int (QC_FMOD_CHANNELS,
425 (audio_state.nb_hw_voices > 1
426 ? audio_state.nb_hw_voices
427 : conf.nb_channels));
428 conf.bufsize = audio_get_conf_int (QC_FMOD_BUFSIZE, conf.bufsize);
429 conf.threshold = audio_get_conf_int (QC_FMOD_THRESHOLD, conf.threshold);
432 status = FSOUND_SetBufferSize (conf.bufsize);
434 dolog ("FSOUND_SetBufferSize (%d) failed\nReason: %s\n",
435 conf.bufsize, errstr ());
439 status = FSOUND_Init (conf.freq, conf.nb_channels, 0);
441 dolog ("FSOUND_Init failed\nReason: %s\n", errstr ());
448 static void fmod_audio_fini (void *opaque)
453 struct pcm_ops fmod_pcm_ops = {
461 struct audio_output_driver fmod_output_driver = {