--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/audio/fmodaudio.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,686 @@
+/*
+ * QEMU FMOD 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 <fmod.h>
+#include <fmod_errors.h>
+#include "qemu-common.h"
+#include "audio.h"
+
+#define AUDIO_CAP "fmod"
+#include "audio_int.h"
+
+typedef struct FMODVoiceOut {
+ HWVoiceOut hw;
+ unsigned int old_pos;
+ FSOUND_SAMPLE *fmod_sample;
+ int channel;
+} FMODVoiceOut;
+
+typedef struct FMODVoiceIn {
+ HWVoiceIn hw;
+ FSOUND_SAMPLE *fmod_sample;
+} FMODVoiceIn;
+
+static struct {
+ const char *drvname;
+ int nb_samples;
+ int freq;
+ int nb_channels;
+ int bufsize;
+ int threshold;
+ int broken_adc;
+} conf = {
+ NULL,
+ 2048 * 2,
+ 44100,
+ 2,
+ 0,
+ 0,
+ 0
+};
+
+static void GCC_FMT_ATTR (1, 2) fmod_logerr (const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start (ap, fmt);
+ AUD_vlog (AUDIO_CAP, fmt, ap);
+ va_end (ap);
+
+ AUD_log (AUDIO_CAP, "Reason: %s\n",
+ FMOD_ErrorString (FSOUND_GetError ()));
+}
+
+static void GCC_FMT_ATTR (2, 3) fmod_logerr2 (
+ const char *typ,
+ const char *fmt,
+ ...
+ )
+{
+ va_list ap;
+
+ AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
+
+ va_start (ap, fmt);
+ AUD_vlog (AUDIO_CAP, fmt, ap);
+ va_end (ap);
+
+ AUD_log (AUDIO_CAP, "Reason: %s\n",
+ FMOD_ErrorString (FSOUND_GetError ()));
+}
+
+static int fmod_write (SWVoiceOut *sw, void *buf, int len)
+{
+ return audio_pcm_sw_write (sw, buf, len);
+}
+
+static void fmod_clear_sample (FMODVoiceOut *fmd)
+{
+ HWVoiceOut *hw = &fmd->hw;
+ int status;
+ void *p1 = 0, *p2 = 0;
+ unsigned int len1 = 0, len2 = 0;
+
+ status = FSOUND_Sample_Lock (
+ fmd->fmod_sample,
+ 0,
+ hw->samples << hw->info.shift,
+ &p1,
+ &p2,
+ &len1,
+ &len2
+ );
+
+ if (!status) {
+ fmod_logerr ("Failed to lock sample\n");
+ return;
+ }
+
+ if ((len1 & hw->info.align) || (len2 & hw->info.align)) {
+ dolog ("Lock returned misaligned length %d, %d, alignment %d\n",
+ len1, len2, hw->info.align + 1);
+ goto fail;
+ }
+
+ if ((len1 + len2) - (hw->samples << hw->info.shift)) {
+ dolog ("Lock returned incomplete length %d, %d\n",
+ len1 + len2, hw->samples << hw->info.shift);
+ goto fail;
+ }
+
+ audio_pcm_info_clear_buf (&hw->info, p1, hw->samples);
+
+ fail:
+ status = FSOUND_Sample_Unlock (fmd->fmod_sample, p1, p2, len1, len2);
+ if (!status) {
+ fmod_logerr ("Failed to unlock sample\n");
+ }
+}
+
+static void fmod_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len)
+{
+ int src_len1 = dst_len;
+ int src_len2 = 0;
+ int pos = hw->rpos + dst_len;
+ struct st_sample *src1 = hw->mix_buf + hw->rpos;
+ struct st_sample *src2 = NULL;
+
+ if (pos > hw->samples) {
+ src_len1 = hw->samples - hw->rpos;
+ src2 = hw->mix_buf;
+ src_len2 = dst_len - src_len1;
+ pos = src_len2;
+ }
+
+ if (src_len1) {
+ hw->clip (dst, src1, src_len1);
+ }
+
+ if (src_len2) {
+ dst = advance (dst, src_len1 << hw->info.shift);
+ hw->clip (dst, src2, src_len2);
+ }
+
+ hw->rpos = pos % hw->samples;
+}
+
+static int fmod_unlock_sample (FSOUND_SAMPLE *sample, void *p1, void *p2,
+ unsigned int blen1, unsigned int blen2)
+{
+ int status = FSOUND_Sample_Unlock (sample, p1, p2, blen1, blen2);
+ if (!status) {
+ fmod_logerr ("Failed to unlock sample\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int fmod_lock_sample (
+ FSOUND_SAMPLE *sample,
+ struct audio_pcm_info *info,
+ int pos,
+ int len,
+ void **p1,
+ void **p2,
+ unsigned int *blen1,
+ unsigned int *blen2
+ )
+{
+ int status;
+
+ status = FSOUND_Sample_Lock (
+ sample,
+ pos << info->shift,
+ len << info->shift,
+ p1,
+ p2,
+ blen1,
+ blen2
+ );
+
+ if (!status) {
+ fmod_logerr ("Failed to lock sample\n");
+ return -1;
+ }
+
+ if ((*blen1 & info->align) || (*blen2 & info->align)) {
+ dolog ("Lock returned misaligned length %d, %d, alignment %d\n",
+ *blen1, *blen2, info->align + 1);
+
+ fmod_unlock_sample (sample, *p1, *p2, *blen1, *blen2);
+
+ *p1 = NULL - 1;
+ *p2 = NULL - 1;
+ *blen1 = ~0U;
+ *blen2 = ~0U;
+ return -1;
+ }
+
+ if (!*p1 && *blen1) {
+ dolog ("warning: !p1 && blen1=%d\n", *blen1);
+ *blen1 = 0;
+ }
+
+ if (!p2 && *blen2) {
+ dolog ("warning: !p2 && blen2=%d\n", *blen2);
+ *blen2 = 0;
+ }
+
+ return 0;
+}
+
+static int fmod_run_out (HWVoiceOut *hw)
+{
+ FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
+ int live, decr;
+ void *p1 = 0, *p2 = 0;
+ unsigned int blen1 = 0, blen2 = 0;
+ unsigned int len1 = 0, len2 = 0;
+ int nb_live;
+
+ live = audio_pcm_hw_get_live_out2 (hw, &nb_live);
+ if (!live) {
+ return 0;
+ }
+
+ if (!hw->pending_disable
+ && nb_live
+ && (conf.threshold && live <= conf.threshold)) {
+ ldebug ("live=%d nb_live=%d\n", live, nb_live);
+ return 0;
+ }
+
+ decr = live;
+
+ if (fmd->channel >= 0) {
+ int len = decr;
+ int old_pos = fmd->old_pos;
+ int ppos = FSOUND_GetCurrentPosition (fmd->channel);
+
+ if (ppos == old_pos || !ppos) {
+ return 0;
+ }
+
+ if ((old_pos < ppos) && ((old_pos + len) > ppos)) {
+ len = ppos - old_pos;
+ }
+ else {
+ if ((old_pos > ppos) && ((old_pos + len) > (ppos + hw->samples))) {
+ len = hw->samples - old_pos + ppos;
+ }
+ }
+ decr = len;
+
+ if (audio_bug (AUDIO_FUNC, decr < 0)) {
+ dolog ("decr=%d live=%d ppos=%d old_pos=%d len=%d\n",
+ decr, live, ppos, old_pos, len);
+ return 0;
+ }
+ }
+
+
+ if (!decr) {
+ return 0;
+ }
+
+ if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info,
+ fmd->old_pos, decr,
+ &p1, &p2,
+ &blen1, &blen2)) {
+ return 0;
+ }
+
+ len1 = blen1 >> hw->info.shift;
+ len2 = blen2 >> hw->info.shift;
+ ldebug ("%p %p %d %d %d %d\n", p1, p2, len1, len2, blen1, blen2);
+ decr = len1 + len2;
+
+ if (p1 && len1) {
+ fmod_write_sample (hw, p1, len1);
+ }
+
+ if (p2 && len2) {
+ fmod_write_sample (hw, p2, len2);
+ }
+
+ fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2);
+
+ fmd->old_pos = (fmd->old_pos + decr) % hw->samples;
+ return decr;
+}
+
+static int aud_to_fmodfmt (audfmt_e fmt, int stereo)
+{
+ int mode = FSOUND_LOOP_NORMAL;
+
+ switch (fmt) {
+ case AUD_FMT_S8:
+ mode |= FSOUND_SIGNED | FSOUND_8BITS;
+ break;
+
+ case AUD_FMT_U8:
+ mode |= FSOUND_UNSIGNED | FSOUND_8BITS;
+ break;
+
+ case AUD_FMT_S16:
+ mode |= FSOUND_SIGNED | FSOUND_16BITS;
+ break;
+
+ case AUD_FMT_U16:
+ mode |= FSOUND_UNSIGNED | FSOUND_16BITS;
+ break;
+
+ default:
+ dolog ("Internal logic error: Bad audio format %d\n", fmt);
+#ifdef DEBUG_FMOD
+ abort ();
+#endif
+ mode |= FSOUND_8BITS;
+ }
+ mode |= stereo ? FSOUND_STEREO : FSOUND_MONO;
+ return mode;
+}
+
+static void fmod_fini_out (HWVoiceOut *hw)
+{
+ FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
+
+ if (fmd->fmod_sample) {
+ FSOUND_Sample_Free (fmd->fmod_sample);
+ fmd->fmod_sample = 0;
+
+ if (fmd->channel >= 0) {
+ FSOUND_StopSound (fmd->channel);
+ }
+ }
+}
+
+static int fmod_init_out (HWVoiceOut *hw, struct audsettings *as)
+{
+ int bits16, mode, channel;
+ FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
+ struct audsettings obt_as = *as;
+
+ mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0);
+ fmd->fmod_sample = FSOUND_Sample_Alloc (
+ FSOUND_FREE, /* index */
+ conf.nb_samples, /* length */
+ mode, /* mode */
+ as->freq, /* freq */
+ 255, /* volume */
+ 128, /* pan */
+ 255 /* priority */
+ );
+
+ if (!fmd->fmod_sample) {
+ fmod_logerr2 ("DAC", "Failed to allocate FMOD sample\n");
+ return -1;
+ }
+
+ channel = FSOUND_PlaySoundEx (FSOUND_FREE, fmd->fmod_sample, 0, 1);
+ if (channel < 0) {
+ fmod_logerr2 ("DAC", "Failed to start playing sound\n");
+ FSOUND_Sample_Free (fmd->fmod_sample);
+ return -1;
+ }
+ fmd->channel = channel;
+
+ /* FMOD always operates on little endian frames? */
+ obt_as.endianness = 0;
+ audio_pcm_init_info (&hw->info, &obt_as);
+ bits16 = (mode & FSOUND_16BITS) != 0;
+ hw->samples = conf.nb_samples;
+ return 0;
+}
+
+static int fmod_ctl_out (HWVoiceOut *hw, int cmd, ...)
+{
+ int status;
+ FMODVoiceOut *fmd = (FMODVoiceOut *) hw;
+
+ switch (cmd) {
+ case VOICE_ENABLE:
+ fmod_clear_sample (fmd);
+ status = FSOUND_SetPaused (fmd->channel, 0);
+ if (!status) {
+ fmod_logerr ("Failed to resume channel %d\n", fmd->channel);
+ }
+ break;
+
+ case VOICE_DISABLE:
+ status = FSOUND_SetPaused (fmd->channel, 1);
+ if (!status) {
+ fmod_logerr ("Failed to pause channel %d\n", fmd->channel);
+ }
+ break;
+ }
+ return 0;
+}
+
+static int fmod_init_in (HWVoiceIn *hw, struct audsettings *as)
+{
+ int bits16, mode;
+ FMODVoiceIn *fmd = (FMODVoiceIn *) hw;
+ struct audsettings obt_as = *as;
+
+ if (conf.broken_adc) {
+ return -1;
+ }
+
+ mode = aud_to_fmodfmt (as->fmt, as->nchannels == 2 ? 1 : 0);
+ fmd->fmod_sample = FSOUND_Sample_Alloc (
+ FSOUND_FREE, /* index */
+ conf.nb_samples, /* length */
+ mode, /* mode */
+ as->freq, /* freq */
+ 255, /* volume */
+ 128, /* pan */
+ 255 /* priority */
+ );
+
+ if (!fmd->fmod_sample) {
+ fmod_logerr2 ("ADC", "Failed to allocate FMOD sample\n");
+ return -1;
+ }
+
+ /* FMOD always operates on little endian frames? */
+ obt_as.endianness = 0;
+ audio_pcm_init_info (&hw->info, &obt_as);
+ bits16 = (mode & FSOUND_16BITS) != 0;
+ hw->samples = conf.nb_samples;
+ return 0;
+}
+
+static void fmod_fini_in (HWVoiceIn *hw)
+{
+ FMODVoiceIn *fmd = (FMODVoiceIn *) hw;
+
+ if (fmd->fmod_sample) {
+ FSOUND_Record_Stop ();
+ FSOUND_Sample_Free (fmd->fmod_sample);
+ fmd->fmod_sample = 0;
+ }
+}
+
+static int fmod_run_in (HWVoiceIn *hw)
+{
+ FMODVoiceIn *fmd = (FMODVoiceIn *) hw;
+ int hwshift = hw->info.shift;
+ int live, dead, new_pos, len;
+ unsigned int blen1 = 0, blen2 = 0;
+ unsigned int len1, len2;
+ unsigned int decr;
+ void *p1, *p2;
+
+ live = audio_pcm_hw_get_live_in (hw);
+ dead = hw->samples - live;
+ if (!dead) {
+ return 0;
+ }
+
+ new_pos = FSOUND_Record_GetPosition ();
+ if (new_pos < 0) {
+ fmod_logerr ("Could not get recording position\n");
+ return 0;
+ }
+
+ len = audio_ring_dist (new_pos, hw->wpos, hw->samples);
+ if (!len) {
+ return 0;
+ }
+ len = audio_MIN (len, dead);
+
+ if (fmod_lock_sample (fmd->fmod_sample, &fmd->hw.info,
+ hw->wpos, len,
+ &p1, &p2,
+ &blen1, &blen2)) {
+ return 0;
+ }
+
+ len1 = blen1 >> hwshift;
+ len2 = blen2 >> hwshift;
+ decr = len1 + len2;
+
+ if (p1 && blen1) {
+ hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume);
+ }
+ if (p2 && len2) {
+ hw->conv (hw->conv_buf, p2, len2, &nominal_volume);
+ }
+
+ fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2);
+ hw->wpos = (hw->wpos + decr) % hw->samples;
+ return decr;
+}
+
+static struct {
+ const char *name;
+ int type;
+} drvtab[] = {
+ {"none", FSOUND_OUTPUT_NOSOUND},
+#ifdef _WIN32
+ {"winmm", FSOUND_OUTPUT_WINMM},
+ {"dsound", FSOUND_OUTPUT_DSOUND},
+ {"a3d", FSOUND_OUTPUT_A3D},
+ {"asio", FSOUND_OUTPUT_ASIO},
+#endif
+#ifdef __linux__
+ {"oss", FSOUND_OUTPUT_OSS},
+ {"alsa", FSOUND_OUTPUT_ALSA},
+ {"esd", FSOUND_OUTPUT_ESD},
+#endif
+#ifdef __APPLE__
+ {"mac", FSOUND_OUTPUT_MAC},
+#endif
+#if 0
+ {"xbox", FSOUND_OUTPUT_XBOX},
+ {"ps2", FSOUND_OUTPUT_PS2},
+ {"gcube", FSOUND_OUTPUT_GC},
+#endif
+ {"none-realtime", FSOUND_OUTPUT_NOSOUND_NONREALTIME}
+};
+
+static void *fmod_audio_init (void)
+{
+ size_t i;
+ double ver;
+ int status;
+ int output_type = -1;
+ const char *drv = conf.drvname;
+
+ ver = FSOUND_GetVersion ();
+ if (ver < FMOD_VERSION) {
+ dolog ("Wrong FMOD version %f, need at least %f\n", ver, FMOD_VERSION);
+ return NULL;
+ }
+
+#ifdef __linux__
+ if (ver < 3.75) {
+ dolog ("FMOD before 3.75 has bug preventing ADC from working\n"
+ "ADC will be disabled.\n");
+ conf.broken_adc = 1;
+ }
+#endif
+
+ if (drv) {
+ int found = 0;
+ for (i = 0; i < ARRAY_SIZE (drvtab); i++) {
+ if (!strcmp (drv, drvtab[i].name)) {
+ output_type = drvtab[i].type;
+ found = 1;
+ break;
+ }
+ }
+ if (!found) {
+ dolog ("Unknown FMOD driver `%s'\n", drv);
+ dolog ("Valid drivers:\n");
+ for (i = 0; i < ARRAY_SIZE (drvtab); i++) {
+ dolog (" %s\n", drvtab[i].name);
+ }
+ }
+ }
+
+ if (output_type != -1) {
+ status = FSOUND_SetOutput (output_type);
+ if (!status) {
+ fmod_logerr ("FSOUND_SetOutput(%d) failed\n", output_type);
+ return NULL;
+ }
+ }
+
+ if (conf.bufsize) {
+ status = FSOUND_SetBufferSize (conf.bufsize);
+ if (!status) {
+ fmod_logerr ("FSOUND_SetBufferSize (%d) failed\n", conf.bufsize);
+ }
+ }
+
+ status = FSOUND_Init (conf.freq, conf.nb_channels, 0);
+ if (!status) {
+ fmod_logerr ("FSOUND_Init failed\n");
+ return NULL;
+ }
+
+ return &conf;
+}
+
+static int fmod_read (SWVoiceIn *sw, void *buf, int size)
+{
+ return audio_pcm_sw_read (sw, buf, size);
+}
+
+static int fmod_ctl_in (HWVoiceIn *hw, int cmd, ...)
+{
+ int status;
+ FMODVoiceIn *fmd = (FMODVoiceIn *) hw;
+
+ switch (cmd) {
+ case VOICE_ENABLE:
+ status = FSOUND_Record_StartSample (fmd->fmod_sample, 1);
+ if (!status) {
+ fmod_logerr ("Failed to start recording\n");
+ }
+ break;
+
+ case VOICE_DISABLE:
+ status = FSOUND_Record_Stop ();
+ if (!status) {
+ fmod_logerr ("Failed to stop recording\n");
+ }
+ break;
+ }
+ return 0;
+}
+
+static void fmod_audio_fini (void *opaque)
+{
+ (void) opaque;
+ FSOUND_Close ();
+}
+
+static struct audio_option fmod_options[] = {
+ {"DRV", AUD_OPT_STR, &conf.drvname,
+ "FMOD driver", NULL, 0},
+ {"FREQ", AUD_OPT_INT, &conf.freq,
+ "Default frequency", NULL, 0},
+ {"SAMPLES", AUD_OPT_INT, &conf.nb_samples,
+ "Buffer size in samples", NULL, 0},
+ {"CHANNELS", AUD_OPT_INT, &conf.nb_channels,
+ "Number of default channels (1 - mono, 2 - stereo)", NULL, 0},
+ {"BUFSIZE", AUD_OPT_INT, &conf.bufsize,
+ "(undocumented)", NULL, 0},
+#if 0
+ {"THRESHOLD", AUD_OPT_INT, &conf.threshold,
+ "(undocumented)"},
+#endif
+
+ {NULL, 0, NULL, NULL, NULL, 0}
+};
+
+static struct audio_pcm_ops fmod_pcm_ops = {
+ fmod_init_out,
+ fmod_fini_out,
+ fmod_run_out,
+ fmod_write,
+ fmod_ctl_out,
+
+ fmod_init_in,
+ fmod_fini_in,
+ fmod_run_in,
+ fmod_read,
+ fmod_ctl_in
+};
+
+struct audio_driver fmod_audio_driver = {
+ INIT_FIELD (name = ) "fmod",
+ INIT_FIELD (descr = ) "FMOD 3.xx http://www.fmod.org",
+ INIT_FIELD (options = ) fmod_options,
+ INIT_FIELD (init = ) fmod_audio_init,
+ INIT_FIELD (fini = ) fmod_audio_fini,
+ INIT_FIELD (pcm_ops = ) &fmod_pcm_ops,
+ INIT_FIELD (can_be_default = ) 1,
+ INIT_FIELD (max_voices_out = ) INT_MAX,
+ INIT_FIELD (max_voices_in = ) INT_MAX,
+ INIT_FIELD (voice_size_out = ) sizeof (FMODVoiceOut),
+ INIT_FIELD (voice_size_in = ) sizeof (FMODVoiceIn)
+};