2005-10-30 21:58:22 +03:00
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/*
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* QEMU Audio subsystem header
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*
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* Copyright (c) 2005 Vassili Karpov (malc)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifdef DAC
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#define TYPE out
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#define HW glue (HWVoice, Out)
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#define SW glue (SWVoice, Out)
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#else
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#define TYPE in
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#define HW glue (HWVoice, In)
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#define SW glue (SWVoice, In)
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#endif
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2005-11-05 21:55:28 +03:00
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static int glue (audio_pcm_hw_init_, TYPE) (
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HW *hw,
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audsettings_t *as
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)
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{
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glue (audio_pcm_hw_free_resources_, TYPE) (hw);
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if (glue (hw->pcm_ops->init_, TYPE) (hw, as)) {
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return -1;
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}
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if (audio_bug (AUDIO_FUNC, hw->samples <= 0)) {
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dolog ("hw->samples=%d\n", hw->samples);
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return -1;
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}
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LIST_INIT (&hw->sw_head);
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#ifdef DAC
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hw->clip =
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mixeng_clip
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#else
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hw->conv =
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mixeng_conv
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#endif
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[hw->info.nchannels == 2]
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[hw->info.sign]
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[hw->info.swap_endian]
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[hw->info.bits == 16];
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if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) {
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glue (hw->pcm_ops->fini_, TYPE) (hw);
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return -1;
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}
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return 0;
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}
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2005-10-30 21:58:22 +03:00
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static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
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{
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glue (audio_pcm_sw_free_resources_, TYPE) (sw);
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if (sw->name) {
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qemu_free (sw->name);
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sw->name = NULL;
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}
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}
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static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw)
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{
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LIST_INSERT_HEAD (&hw->sw_head, sw, entries);
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}
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static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
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{
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LIST_REMOVE (sw, entries);
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}
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2005-11-05 21:55:28 +03:00
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static void glue (audio_pcm_hw_gc_, TYPE) (AudioState *s, HW **hwp)
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2005-10-30 21:58:22 +03:00
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{
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2005-11-05 21:55:28 +03:00
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HW *hw = *hwp;
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2005-10-30 21:58:22 +03:00
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if (!hw->sw_head.lh_first) {
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2005-11-05 21:55:28 +03:00
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LIST_REMOVE (hw, entries);
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glue (s->nb_hw_voices_, TYPE) += 1;
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glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
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glue (hw->pcm_ops->fini_, TYPE) (hw);
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qemu_free (hw);
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*hwp = NULL;
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2005-10-30 21:58:22 +03:00
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}
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}
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2005-11-05 21:55:28 +03:00
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static HW *glue (audio_pcm_hw_find_any_, TYPE) (AudioState *s, HW *hw)
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2005-10-30 21:58:22 +03:00
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{
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2005-11-05 21:55:28 +03:00
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return hw ? hw->entries.le_next : s->glue (hw_head_, TYPE).lh_first;
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2005-10-30 21:58:22 +03:00
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}
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2005-11-05 21:55:28 +03:00
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static HW *glue (audio_pcm_hw_find_any_enabled_, TYPE) (AudioState *s, HW *hw)
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2005-10-30 21:58:22 +03:00
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{
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2005-11-05 21:55:28 +03:00
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while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (s, hw))) {
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if (hw->enabled) {
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2005-10-30 21:58:22 +03:00
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return hw;
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}
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}
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return NULL;
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}
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2005-11-05 21:55:28 +03:00
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static HW *glue (audio_pcm_hw_find_any_passive_, TYPE) (AudioState *s)
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2005-10-30 21:58:22 +03:00
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{
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2005-11-05 21:55:28 +03:00
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if (glue (s->nb_hw_voices_, TYPE)) {
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struct audio_driver *drv = s->drv;
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if (audio_bug (AUDIO_FUNC, !drv)) {
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dolog ("No host audio driver\n");
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return NULL;
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2005-10-30 21:58:22 +03:00
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}
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2005-11-05 21:55:28 +03:00
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HW *hw = audio_calloc (AUDIO_FUNC, 1, glue (drv->voice_size_, TYPE));
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if (!hw) {
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dolog ("Can not allocate voice `%s' size %d\n",
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drv->name, glue (drv->voice_size_, TYPE));
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2005-11-11 03:03:36 +03:00
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return NULL;
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2005-10-30 21:58:22 +03:00
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}
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2005-11-05 21:55:28 +03:00
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LIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
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glue (s->nb_hw_voices_, TYPE) -= 1;
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return hw;
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2005-10-30 21:58:22 +03:00
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}
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2005-11-05 21:55:28 +03:00
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2005-10-30 21:58:22 +03:00
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return NULL;
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}
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static HW *glue (audio_pcm_hw_find_specific_, TYPE) (
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2005-11-05 21:55:28 +03:00
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AudioState *s,
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2005-10-30 21:58:22 +03:00
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HW *hw,
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2005-11-05 21:55:28 +03:00
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audsettings_t *as
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2005-10-30 21:58:22 +03:00
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)
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{
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2005-11-05 21:55:28 +03:00
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while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (s, hw))) {
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if (audio_pcm_info_eq (&hw->info, as)) {
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2005-10-30 21:58:22 +03:00
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return hw;
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}
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}
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return NULL;
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}
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2005-11-05 21:55:28 +03:00
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static HW *glue (audio_pcm_hw_add_new_, TYPE) (AudioState *s, audsettings_t *as)
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2005-10-30 21:58:22 +03:00
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{
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HW *hw;
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2005-11-05 21:55:28 +03:00
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hw = glue (audio_pcm_hw_find_any_passive_, TYPE) (s);
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2005-10-30 21:58:22 +03:00
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if (hw) {
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2005-11-05 21:55:28 +03:00
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hw->pcm_ops = s->drv->pcm_ops;
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2005-10-30 21:58:22 +03:00
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if (!hw->pcm_ops) {
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return NULL;
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}
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2005-11-05 21:55:28 +03:00
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if (glue (audio_pcm_hw_init_, TYPE) (hw, as)) {
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glue (audio_pcm_hw_gc_, TYPE) (s, &hw);
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2005-10-30 21:58:22 +03:00
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return NULL;
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}
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else {
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return hw;
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}
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}
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return NULL;
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}
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2005-11-05 21:55:28 +03:00
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static HW *glue (audio_pcm_hw_add_, TYPE) (AudioState *s, audsettings_t *as)
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2005-10-30 21:58:22 +03:00
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{
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HW *hw;
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2005-11-05 21:55:28 +03:00
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if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) {
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hw = glue (audio_pcm_hw_add_new_, TYPE) (s, as);
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2005-10-30 21:58:22 +03:00
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if (hw) {
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return hw;
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}
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}
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2005-11-05 21:55:28 +03:00
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hw = glue (audio_pcm_hw_find_specific_, TYPE) (s, NULL, as);
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2005-10-30 21:58:22 +03:00
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if (hw) {
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return hw;
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}
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2005-11-05 21:55:28 +03:00
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hw = glue (audio_pcm_hw_add_new_, TYPE) (s, as);
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2005-10-30 21:58:22 +03:00
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if (hw) {
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return hw;
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}
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2005-11-05 21:55:28 +03:00
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return glue (audio_pcm_hw_find_any_, TYPE) (s, NULL);
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2005-10-30 21:58:22 +03:00
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}
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static SW *glue (audio_pcm_create_voice_pair_, TYPE) (
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2005-11-05 21:55:28 +03:00
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AudioState *s,
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const char *sw_name,
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audsettings_t *as
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2005-10-30 21:58:22 +03:00
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)
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{
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SW *sw;
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HW *hw;
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2005-11-05 21:55:28 +03:00
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audsettings_t hw_as;
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2005-10-30 21:58:22 +03:00
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2005-11-05 21:55:28 +03:00
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if (glue (conf.fixed_, TYPE).enabled) {
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hw_as = glue (conf.fixed_, TYPE).settings;
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}
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else {
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hw_as = *as;
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2005-10-30 21:58:22 +03:00
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}
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2005-11-05 21:55:28 +03:00
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sw = audio_calloc (AUDIO_FUNC, 1, sizeof (*sw));
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2005-10-30 21:58:22 +03:00
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if (!sw) {
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2005-11-11 03:03:36 +03:00
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dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
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2005-11-05 21:55:28 +03:00
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sw_name ? sw_name : "unknown", sizeof (*sw));
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2005-10-30 21:58:22 +03:00
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goto err1;
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}
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2005-11-05 21:55:28 +03:00
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hw = glue (audio_pcm_hw_add_, TYPE) (s, &hw_as);
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2005-10-30 21:58:22 +03:00
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if (!hw) {
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goto err2;
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}
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glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
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2005-11-05 21:55:28 +03:00
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if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
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2005-10-30 21:58:22 +03:00
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goto err3;
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}
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return sw;
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err3:
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glue (audio_pcm_hw_del_sw_, TYPE) (sw);
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2005-11-05 21:55:28 +03:00
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glue (audio_pcm_hw_gc_, TYPE) (s, &hw);
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2005-10-30 21:58:22 +03:00
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err2:
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qemu_free (sw);
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err1:
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return NULL;
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}
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2005-11-05 21:55:28 +03:00
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static void glue (audio_close_, TYPE) (AudioState *s, SW *sw)
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{
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glue (audio_pcm_sw_fini_, TYPE) (sw);
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glue (audio_pcm_hw_del_sw_, TYPE) (sw);
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glue (audio_pcm_hw_gc_, TYPE) (s, &sw->hw);
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qemu_free (sw);
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}
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void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw)
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2005-10-30 21:58:22 +03:00
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{
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if (sw) {
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2005-11-05 21:55:28 +03:00
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if (audio_bug (AUDIO_FUNC, !card || !card->audio)) {
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dolog ("card=%p card->audio=%p\n",
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card, card ? card->audio : NULL);
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return;
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}
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glue (audio_close_, TYPE) (card->audio, sw);
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2005-10-30 21:58:22 +03:00
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}
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}
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SW *glue (AUD_open_, TYPE) (
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2005-11-05 21:55:28 +03:00
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QEMUSoundCard *card,
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2005-10-30 21:58:22 +03:00
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SW *sw,
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const char *name,
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void *callback_opaque ,
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audio_callback_fn_t callback_fn,
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2005-11-05 21:55:28 +03:00
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audsettings_t *as
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2005-10-30 21:58:22 +03:00
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)
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{
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2005-11-05 21:55:28 +03:00
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AudioState *s;
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2005-10-30 21:58:22 +03:00
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#ifdef DAC
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int live = 0;
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SW *old_sw = NULL;
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#endif
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2005-11-05 21:55:28 +03:00
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ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
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name, as->freq, as->nchannels, as->fmt);
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if (audio_bug (AUDIO_FUNC,
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!card || !card->audio || !name || !callback_fn || !as)) {
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dolog ("card=%p card->audio=%p name=%p callback_fn=%p as=%p\n",
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card, card ? card->audio : NULL, name, callback_fn, as);
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2005-10-30 21:58:22 +03:00
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goto fail;
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}
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2005-11-05 21:55:28 +03:00
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s = card->audio;
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if (audio_bug (AUDIO_FUNC, audio_validate_settigs (as))) {
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audio_print_settings (as);
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2005-10-30 21:58:22 +03:00
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goto fail;
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}
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2005-11-05 21:55:28 +03:00
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if (audio_bug (AUDIO_FUNC, !s->drv)) {
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dolog ("Can not open `%s' (no host audio driver)\n", name);
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2005-10-30 21:58:22 +03:00
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goto fail;
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}
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2005-11-05 21:55:28 +03:00
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if (sw && audio_pcm_info_eq (&sw->info, as)) {
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2005-10-30 21:58:22 +03:00
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return sw;
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}
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#ifdef DAC
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2005-11-05 21:55:28 +03:00
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if (conf.plive && sw && (!sw->active && !sw->empty)) {
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2005-10-30 21:58:22 +03:00
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live = sw->total_hw_samples_mixed;
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#ifdef DEBUG_PLIVE
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2005-11-05 21:55:28 +03:00
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dolog ("Replacing voice %s with %d live samples\n", SW_NAME (sw), live);
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2005-10-30 21:58:22 +03:00
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|
|
dolog ("Old %s freq %d, bits %d, channels %d\n",
|
2005-11-05 21:55:28 +03:00
|
|
|
SW_NAME (sw), sw->info.freq, sw->info.bits, sw->info.nchannels);
|
2005-10-30 21:58:22 +03:00
|
|
|
dolog ("New %s freq %d, bits %d, channels %d\n",
|
2005-11-05 21:55:28 +03:00
|
|
|
name,
|
|
|
|
freq,
|
|
|
|
(fmt == AUD_FMT_S16 || fmt == AUD_FMT_U16) ? 16 : 8,
|
2005-10-30 21:58:22 +03:00
|
|
|
nchannels);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (live) {
|
|
|
|
old_sw = sw;
|
|
|
|
old_sw->callback.fn = NULL;
|
|
|
|
sw = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2005-11-05 21:55:28 +03:00
|
|
|
if (!glue (conf.fixed_, TYPE).enabled && sw) {
|
|
|
|
glue (AUD_close_, TYPE) (card, sw);
|
2005-10-30 21:58:22 +03:00
|
|
|
sw = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (sw) {
|
|
|
|
HW *hw = sw->hw;
|
|
|
|
|
|
|
|
if (!hw) {
|
2005-11-05 21:55:28 +03:00
|
|
|
dolog ("Internal logic error voice `%s' has no hardware store\n",
|
|
|
|
SW_NAME (sw));
|
2005-10-30 21:58:22 +03:00
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2005-11-05 21:55:28 +03:00
|
|
|
if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
|
2005-10-30 21:58:22 +03:00
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else {
|
2005-11-05 21:55:28 +03:00
|
|
|
sw = glue (audio_pcm_create_voice_pair_, TYPE) (s, name, as);
|
2005-10-30 21:58:22 +03:00
|
|
|
if (!sw) {
|
2005-11-05 21:55:28 +03:00
|
|
|
dolog ("Failed to create voice `%s'\n", name);
|
2005-10-30 21:58:22 +03:00
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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:
|
2005-11-05 21:55:28 +03:00
|
|
|
glue (AUD_close_, TYPE) (card, sw);
|
2005-10-30 21:58:22 +03:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2005-11-05 21:55:28 +03:00
|
|
|
uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts)
|
2005-10-30 21:58:22 +03:00
|
|
|
{
|
|
|
|
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
|