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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
commitf721e3ac031f892af46f255a47d7f54a91317b30 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /audio/audio_template.h
parentbae1bc39312d5019bd9a5b8d840a529213a69a17 (diff)
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Diffstat (limited to 'audio/audio_template.h')
-rw-r--r--audio/audio_template.h577
1 files changed, 0 insertions, 577 deletions
diff --git a/audio/audio_template.h b/audio/audio_template.h
deleted file mode 100644
index 6f8e166..0000000
--- a/audio/audio_template.h
+++ /dev/null
@@ -1,577 +0,0 @@
-/*
- * QEMU Audio subsystem header
- *
- * Copyright (c) 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.
- */
-
-#ifdef DAC
-#define NAME "playback"
-#define HWBUF hw->mix_buf
-#define TYPE out
-#define HW HWVoiceOut
-#define SW SWVoiceOut
-#else
-#define NAME "capture"
-#define TYPE in
-#define HW HWVoiceIn
-#define SW SWVoiceIn
-#define HWBUF hw->conv_buf
-#endif
-
-static void glue (audio_init_nb_voices_, TYPE) (
- AudioState *s,
- struct audio_driver *drv
- )
-{
- int max_voices = glue (drv->max_voices_, TYPE);
- int voice_size = glue (drv->voice_size_, TYPE);
-
- if (glue (s->nb_hw_voices_, TYPE) > max_voices) {
- if (!max_voices) {
-#ifdef DAC
- dolog ("Driver `%s' does not support " NAME "\n", drv->name);
-#endif
- }
- else {
- dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n",
- drv->name,
- glue (s->nb_hw_voices_, TYPE),
- max_voices);
- }
- glue (s->nb_hw_voices_, TYPE) = max_voices;
- }
-
- if (audio_bug (AUDIO_FUNC, !voice_size && max_voices)) {
- dolog ("drv=`%s' voice_size=0 max_voices=%d\n",
- drv->name, max_voices);
- glue (s->nb_hw_voices_, TYPE) = 0;
- }
-
- if (audio_bug (AUDIO_FUNC, voice_size && !max_voices)) {
- dolog ("drv=`%s' voice_size=%d max_voices=0\n",
- drv->name, voice_size);
- }
-}
-
-static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw)
-{
- if (HWBUF) {
- qemu_free (HWBUF);
- }
-
- HWBUF = NULL;
-}
-
-static int glue (audio_pcm_hw_alloc_resources_, TYPE) (HW *hw)
-{
- HWBUF = audio_calloc (AUDIO_FUNC, hw->samples, sizeof (st_sample_t));
- if (!HWBUF) {
- dolog ("Could not allocate " NAME " buffer (%d samples)\n",
- hw->samples);
- return -1;
- }
-
- return 0;
-}
-
-static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
-{
- if (sw->buf) {
- qemu_free (sw->buf);
- }
-
- if (sw->rate) {
- st_rate_stop (sw->rate);
- }
-
- sw->buf = NULL;
- sw->rate = NULL;
-}
-
-static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
-{
- int samples;
-
-#ifdef DAC
- samples = sw->hw->samples;
-#else
- samples = ((int64_t) sw->hw->samples << 32) / sw->ratio;
-#endif
-
- sw->buf = audio_calloc (AUDIO_FUNC, samples, sizeof (st_sample_t));
- if (!sw->buf) {
- dolog ("Could not allocate buffer for `%s' (%d samples)\n",
- SW_NAME (sw), samples);
- return -1;
- }
-
-#ifdef DAC
- sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq);
-#else
- sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq);
-#endif
- if (!sw->rate) {
- qemu_free (sw->buf);
- sw->buf = NULL;
- return -1;
- }
- return 0;
-}
-
-static int glue (audio_pcm_sw_init_, TYPE) (
- SW *sw,
- HW *hw,
- const char *name,
- audsettings_t *as
- )
-{
- int err;
-
- audio_pcm_init_info (&sw->info, as);
- sw->hw = hw;
- sw->active = 0;
-#ifdef DAC
- sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq;
- sw->total_hw_samples_mixed = 0;
- sw->empty = 1;
-#else
- sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq;
-#endif
-
-#ifdef DAC
- sw->conv = mixeng_conv
-#else
- sw->clip = mixeng_clip
-#endif
- [sw->info.nchannels == 2]
- [sw->info.sign]
- [sw->info.swap_endianness]
- [audio_bits_to_index (sw->info.bits)];
-
- sw->name = qemu_strdup (name);
- err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw);
- if (err) {
- qemu_free (sw->name);
- sw->name = NULL;
- }
- return err;
-}
-
-static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
-{
- glue (audio_pcm_sw_free_resources_, TYPE) (sw);
- if (sw->name) {
- qemu_free (sw->name);
- sw->name = NULL;
- }
-}
-
-static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw)
-{
- LIST_INSERT_HEAD (&hw->sw_head, sw, entries);
-}
-
-static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
-{
- LIST_REMOVE (sw, entries);
-}
-
-static void glue (audio_pcm_hw_gc_, TYPE) (AudioState *s, HW **hwp)
-{
- HW *hw = *hwp;
-
- if (!hw->sw_head.lh_first) {
-#ifdef DAC
- audio_detach_capture (hw);
-#endif
- LIST_REMOVE (hw, entries);
- glue (s->nb_hw_voices_, TYPE) += 1;
- glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
- BEGIN_NOSIGALRM
- glue (hw->pcm_ops->fini_, TYPE) (hw);
- END_NOSIGALRM
- qemu_free (hw);
- *hwp = NULL;
- }
-}
-
-static HW *glue (audio_pcm_hw_find_any_, TYPE) (AudioState *s, HW *hw)
-{
- return hw ? hw->entries.le_next : s->glue (hw_head_, TYPE).lh_first;
-}
-
-static HW *glue (audio_pcm_hw_find_any_enabled_, TYPE) (AudioState *s, HW *hw)
-{
- while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (s, hw))) {
- if (hw->enabled) {
- return hw;
- }
- }
- return NULL;
-}
-
-static HW *glue (audio_pcm_hw_find_specific_, TYPE) (
- AudioState *s,
- HW *hw,
- audsettings_t *as
- )
-{
- while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (s, hw))) {
- if (audio_pcm_info_eq (&hw->info, as)) {
- return hw;
- }
- }
- return NULL;
-}
-
-static HW *glue (audio_pcm_hw_add_new_, TYPE) (AudioState *s, audsettings_t *as)
-{
- HW *hw;
- struct audio_driver *drv = glue(s->drv_, TYPE);
- int err;
-
- if (!glue (s->nb_hw_voices_, TYPE)) {
- return NULL;
- }
-
- if (audio_bug (AUDIO_FUNC, !drv)) {
- dolog ("No host audio driver\n");
- return NULL;
- }
-
- if (audio_bug (AUDIO_FUNC, !drv->pcm_ops)) {
- dolog ("Host audio driver without pcm_ops\n");
- return NULL;
- }
-
- hw = audio_calloc (AUDIO_FUNC, 1, glue (drv->voice_size_, TYPE));
- if (!hw) {
- dolog ("Can not allocate voice `%s' size %d\n",
- drv->name, glue (drv->voice_size_, TYPE));
- return NULL;
- }
-
- hw->pcm_ops = drv->pcm_ops;
- LIST_INIT (&hw->sw_head);
-#ifdef DAC
- LIST_INIT (&hw->cap_head);
-#endif
- BEGIN_NOSIGALRM
- err = glue (hw->pcm_ops->init_, TYPE) (hw, as);
- END_NOSIGALRM
- if (err)
- goto err0;
-
- if (audio_bug (AUDIO_FUNC, hw->samples <= 0)) {
- dolog ("hw->samples=%d\n", hw->samples);
- goto err1;
- }
-
-#ifdef DAC
- hw->clip = mixeng_clip
-#else
- hw->conv = mixeng_conv
-#endif
- [hw->info.nchannels == 2]
- [hw->info.sign]
- [hw->info.swap_endianness]
- [audio_bits_to_index (hw->info.bits)];
-
- if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) {
- goto err1;
- }
-
- LIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
- glue (s->nb_hw_voices_, TYPE) -= 1;
-#ifdef DAC
- audio_attach_capture (s, hw);
-#endif
- return hw;
-
- err1:
- BEGIN_NOSIGALRM
- glue (hw->pcm_ops->fini_, TYPE) (hw);
- END_NOSIGALRM
- err0:
- qemu_free (hw);
- return NULL;
-}
-
-static HW *glue (audio_pcm_hw_add_, TYPE) (AudioState *s, audsettings_t *as)
-{
- HW *hw;
-
- if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) {
- hw = glue (audio_pcm_hw_add_new_, TYPE) (s, as);
- if (hw) {
- return hw;
- }
- }
-
- hw = glue (audio_pcm_hw_find_specific_, TYPE) (s, NULL, as);
- if (hw) {
- return hw;
- }
-
- hw = glue (audio_pcm_hw_add_new_, TYPE) (s, as);
- if (hw) {
- return hw;
- }
-
- return glue (audio_pcm_hw_find_any_, TYPE) (s, NULL);
-}
-
-static SW *glue (audio_pcm_create_voice_pair_, TYPE) (
- AudioState *s,
- const char *sw_name,
- audsettings_t *as
- )
-{
- SW *sw;
- HW *hw;
- audsettings_t hw_as;
-
- if (glue (conf.fixed_, TYPE).enabled) {
- hw_as = glue (conf.fixed_, TYPE).settings;
- }
- else {
- hw_as = *as;
- }
-
- sw = audio_calloc (AUDIO_FUNC, 1, sizeof (*sw));
- if (!sw) {
- dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
- sw_name ? sw_name : "unknown", sizeof (*sw));
- goto err1;
- }
-
- hw = glue (audio_pcm_hw_add_, TYPE) (s, &hw_as);
- if (!hw) {
- goto err2;
- }
-
- glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
-
- if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
- goto err3;
- }
-
- return sw;
-
-err3:
- glue (audio_pcm_hw_del_sw_, TYPE) (sw);
- glue (audio_pcm_hw_gc_, TYPE) (s, &hw);
-err2:
- qemu_free (sw);
-err1:
- return NULL;
-}
-
-static void glue (audio_close_, TYPE) (AudioState *s, SW *sw)
-{
- glue (audio_pcm_sw_fini_, TYPE) (sw);
- glue (audio_pcm_hw_del_sw_, TYPE) (sw);
- glue (audio_pcm_hw_gc_, TYPE) (s, &sw->hw);
- qemu_free (sw);
-}
-
-void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw)
-{
- if (sw) {
- if (audio_bug (AUDIO_FUNC, !card || !card->audio)) {
- dolog ("card=%p card->audio=%p\n",
- card, card ? card->audio : NULL);
- return;
- }
-
- glue (audio_close_, TYPE) (card->audio, sw);
- }
-}
-
-SW *glue (AUD_open_, TYPE) (
- QEMUSoundCard *card,
- SW *sw,
- const char *name,
- void *callback_opaque ,
- audio_callback_fn_t callback_fn,
- audsettings_t *as
- )
-{
- AudioState *s;
-#ifdef DAC
- int live = 0;
- SW *old_sw = NULL;
-#endif
-
- ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
- name, as->freq, as->nchannels, as->fmt);
-
- if (audio_bug (AUDIO_FUNC,
- !card || !card->audio || !name || !callback_fn || !as)) {
- dolog ("card=%p card->audio=%p name=%p callback_fn=%p as=%p\n",
- card, card ? card->audio : NULL, name, callback_fn, as);
- goto fail;
- }
-
- s = card->audio;
-
- if (audio_bug (AUDIO_FUNC, audio_validate_settings (as))) {
- audio_print_settings (as);
- goto fail;
- }
-
- if (audio_bug (AUDIO_FUNC, !glue (s->drv_, TYPE))) {
- dolog ("Can not open `%s' (no host audio driver)\n", name);
- goto fail;
- }
-
- if (sw && audio_pcm_info_eq (&sw->info, as)) {
- return sw;
- }
-
-#ifdef DAC
- if (conf.plive && sw && (!sw->active && !sw->empty)) {
- live = sw->total_hw_samples_mixed;
-
-#ifdef DEBUG_PLIVE
- dolog ("Replacing voice %s with %d live samples\n", SW_NAME (sw), live);
- dolog ("Old %s freq %d, bits %d, channels %d\n",
- SW_NAME (sw), sw->info.freq, sw->info.bits, sw->info.nchannels);
- dolog ("New %s freq %d, bits %d, channels %d\n",
- name,
- freq,
- (fmt == AUD_FMT_S16 || fmt == AUD_FMT_U16) ? 16 : 8,
- nchannels);
-#endif
-
- if (live) {
- old_sw = sw;
- old_sw->callback.fn = NULL;
- sw = NULL;
- }
- }
-#endif
-
- if (!glue (conf.fixed_, TYPE).enabled && sw) {
- glue (AUD_close_, TYPE) (card, sw);
- sw = NULL;
- }
-
- if (sw) {
- HW *hw = sw->hw;
-
- if (!hw) {
- dolog ("Internal logic error voice `%s' has no hardware store\n",
- SW_NAME (sw));
- goto fail;
- }
-
- glue (audio_pcm_sw_fini_, TYPE) (sw);
- if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
- goto fail;
- }
- }
- else {
- sw = glue (audio_pcm_create_voice_pair_, TYPE) (s, name, as);
- if (!sw) {
- dolog ("Failed to create voice `%s'\n", name);
- return NULL;
- }
- }
-
- if (sw) {
- sw->vol = nominal_volume;
- sw->callback.fn = callback_fn;
- sw->callback.opaque = callback_opaque;
-
-#ifdef DAC
- if (live) {
- int mixed =
- (live << old_sw->info.shift)
- * old_sw->info.bytes_per_second
- / sw->info.bytes_per_second;
-
-#ifdef DEBUG_PLIVE
- dolog ("Silence will be mixed %d\n", mixed);
-#endif
- sw->total_hw_samples_mixed += mixed;
- }
-#endif
-
-#ifdef DEBUG_AUDIO
- dolog ("%s\n", name);
- audio_pcm_print_info ("hw", &sw->hw->info);
- audio_pcm_print_info ("sw", &sw->info);
-#endif
- }
-
- return sw;
-
- fail:
- glue (AUD_close_, TYPE) (card, sw);
- return NULL;
-}
-
-int glue (AUD_is_active_, TYPE) (SW *sw)
-{
- return sw ? sw->active : 0;
-}
-
-void glue (AUD_init_time_stamp_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts)
-{
- if (!sw) {
- return;
- }
-
- ts->old_ts = sw->hw->ts_helper;
-}
-
-uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts)
-{
- uint64_t delta, cur_ts, old_ts;
-
- if (!sw) {
- return 0;
- }
-
- cur_ts = sw->hw->ts_helper;
- old_ts = ts->old_ts;
- /* dolog ("cur %lld old %lld\n", cur_ts, old_ts); */
-
- if (cur_ts >= old_ts) {
- delta = cur_ts - old_ts;
- }
- else {
- delta = UINT64_MAX - old_ts + cur_ts;
- }
-
- if (!delta) {
- return 0;
- }
-
- return (delta * sw->hw->info.freq) / 1000000;
-}
-
-#undef TYPE
-#undef HW
-#undef SW
-#undef HWBUF
-#undef NAME