diff options
Diffstat (limited to 'qemu/audio/audio_template.h')
| -rw-r--r-- | qemu/audio/audio_template.h | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/qemu/audio/audio_template.h b/qemu/audio/audio_template.h deleted file mode 100644 index 99b27b285..000000000 --- a/qemu/audio/audio_template.h +++ /dev/null @@ -1,514 +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) (struct audio_driver *drv) -{ - AudioState *s = &glob_audio_state; - 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) -{ - g_free (HWBUF); - HWBUF = NULL; -} - -static int glue (audio_pcm_hw_alloc_resources_, TYPE) (HW *hw) -{ - HWBUF = audio_calloc (AUDIO_FUNC, hw->samples, sizeof (struct st_sample)); - 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) -{ - g_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; - - samples = ((int64_t) sw->hw->samples << 32) / sw->ratio; - - sw->buf = audio_calloc (AUDIO_FUNC, samples, sizeof (struct st_sample)); - 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) { - g_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, - struct audsettings *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 = g_strdup (name); - err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw); - if (err) { - g_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); - g_free (sw->name); - sw->name = NULL; -} - -static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw) -{ - QLIST_INSERT_HEAD (&hw->sw_head, sw, entries); -} - -static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw) -{ - QLIST_REMOVE (sw, entries); -} - -static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp) -{ - AudioState *s = &glob_audio_state; - HW *hw = *hwp; - - if (!hw->sw_head.lh_first) { -#ifdef DAC - audio_detach_capture (hw); -#endif - QLIST_REMOVE (hw, entries); - glue (hw->pcm_ops->fini_, TYPE) (hw); - glue (s->nb_hw_voices_, TYPE) += 1; - glue (audio_pcm_hw_free_resources_ ,TYPE) (hw); - g_free (hw); - *hwp = NULL; - } -} - -static HW *glue (audio_pcm_hw_find_any_, TYPE) (HW *hw) -{ - AudioState *s = &glob_audio_state; - return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first; -} - -static HW *glue (audio_pcm_hw_find_any_enabled_, TYPE) (HW *hw) -{ - while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) { - if (hw->enabled) { - return hw; - } - } - return NULL; -} - -static HW *glue (audio_pcm_hw_find_specific_, TYPE) ( - HW *hw, - struct audsettings *as - ) -{ - while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) { - if (audio_pcm_info_eq (&hw->info, as)) { - return hw; - } - } - return NULL; -} - -static HW *glue (audio_pcm_hw_add_new_, TYPE) (struct audsettings *as) -{ - HW *hw; - AudioState *s = &glob_audio_state; - struct audio_driver *drv = s->drv; - - 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; - hw->ctl_caps = drv->ctl_caps; - - QLIST_INIT (&hw->sw_head); -#ifdef DAC - QLIST_INIT (&hw->cap_head); -#endif - if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) { - 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; - } - - QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries); - glue (s->nb_hw_voices_, TYPE) -= 1; -#ifdef DAC - audio_attach_capture (hw); -#endif - return hw; - - err1: - glue (hw->pcm_ops->fini_, TYPE) (hw); - err0: - g_free (hw); - return NULL; -} - -static HW *glue (audio_pcm_hw_add_, TYPE) (struct audsettings *as) -{ - HW *hw; - - if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) { - hw = glue (audio_pcm_hw_add_new_, TYPE) (as); - if (hw) { - return hw; - } - } - - hw = glue (audio_pcm_hw_find_specific_, TYPE) (NULL, as); - if (hw) { - return hw; - } - - hw = glue (audio_pcm_hw_add_new_, TYPE) (as); - if (hw) { - return hw; - } - - return glue (audio_pcm_hw_find_any_, TYPE) (NULL); -} - -static SW *glue (audio_pcm_create_voice_pair_, TYPE) ( - const char *sw_name, - struct audsettings *as - ) -{ - SW *sw; - HW *hw; - struct audsettings 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) (&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) (&hw); -err2: - g_free (sw); -err1: - return NULL; -} - -static void glue (audio_close_, TYPE) (SW *sw) -{ - glue (audio_pcm_sw_fini_, TYPE) (sw); - glue (audio_pcm_hw_del_sw_, TYPE) (sw); - glue (audio_pcm_hw_gc_, TYPE) (&sw->hw); - g_free (sw); -} - -void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw) -{ - if (sw) { - if (audio_bug (AUDIO_FUNC, !card)) { - dolog ("card=%p\n", card); - return; - } - - glue (audio_close_, TYPE) (sw); - } -} - -SW *glue (AUD_open_, TYPE) ( - QEMUSoundCard *card, - SW *sw, - const char *name, - void *callback_opaque , - audio_callback_fn callback_fn, - struct audsettings *as - ) -{ - AudioState *s = &glob_audio_state; - - if (audio_bug (AUDIO_FUNC, !card || !name || !callback_fn || !as)) { - dolog ("card=%p name=%p callback_fn=%p as=%p\n", - card, name, callback_fn, as); - goto fail; - } - - ldebug ("open %s, freq %d, nchannels %d, fmt %d\n", - name, as->freq, as->nchannels, as->fmt); - - if (audio_bug (AUDIO_FUNC, audio_validate_settings (as))) { - audio_print_settings (as); - goto fail; - } - - if (audio_bug (AUDIO_FUNC, !s->drv)) { - dolog ("Can not open `%s' (no host audio driver)\n", name); - goto fail; - } - - if (sw && audio_pcm_info_eq (&sw->info, as)) { - return sw; - } - - 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) (name, as); - if (!sw) { - dolog ("Failed to create voice `%s'\n", name); - return NULL; - } - } - - sw->card = card; - sw->vol = nominal_volume; - sw->callback.fn = callback_fn; - sw->callback.opaque = callback_opaque; - -#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 %" PRId64 " old %" PRId64 "\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 muldiv64 (delta, sw->hw->info.freq, 1000000); -} - -#undef TYPE -#undef HW -#undef SW -#undef HWBUF -#undef NAME |