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-rw-r--r--qemu/audio/spiceaudio.c412
1 files changed, 0 insertions, 412 deletions
diff --git a/qemu/audio/spiceaudio.c b/qemu/audio/spiceaudio.c
deleted file mode 100644
index dea71d37a..000000000
--- a/qemu/audio/spiceaudio.c
+++ /dev/null
@@ -1,412 +0,0 @@
-/*
- * Copyright (C) 2010 Red Hat, Inc.
- *
- * maintained by Gerd Hoffmann <kraxel@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 or
- * (at your option) version 3 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "hw/hw.h"
-#include "qemu/error-report.h"
-#include "qemu/timer.h"
-#include "ui/qemu-spice.h"
-
-#define AUDIO_CAP "spice"
-#include "audio.h"
-#include "audio_int.h"
-
-#if SPICE_INTERFACE_PLAYBACK_MAJOR > 1 || SPICE_INTERFACE_PLAYBACK_MINOR >= 3
-#define LINE_OUT_SAMPLES (480 * 4)
-#else
-#define LINE_OUT_SAMPLES (256 * 4)
-#endif
-
-#if SPICE_INTERFACE_RECORD_MAJOR > 2 || SPICE_INTERFACE_RECORD_MINOR >= 3
-#define LINE_IN_SAMPLES (480 * 4)
-#else
-#define LINE_IN_SAMPLES (256 * 4)
-#endif
-
-typedef struct SpiceRateCtl {
- int64_t start_ticks;
- int64_t bytes_sent;
-} SpiceRateCtl;
-
-typedef struct SpiceVoiceOut {
- HWVoiceOut hw;
- SpicePlaybackInstance sin;
- SpiceRateCtl rate;
- int active;
- uint32_t *frame;
- uint32_t *fpos;
- uint32_t fsize;
-} SpiceVoiceOut;
-
-typedef struct SpiceVoiceIn {
- HWVoiceIn hw;
- SpiceRecordInstance sin;
- SpiceRateCtl rate;
- int active;
- uint32_t samples[LINE_IN_SAMPLES];
-} SpiceVoiceIn;
-
-static const SpicePlaybackInterface playback_sif = {
- .base.type = SPICE_INTERFACE_PLAYBACK,
- .base.description = "playback",
- .base.major_version = SPICE_INTERFACE_PLAYBACK_MAJOR,
- .base.minor_version = SPICE_INTERFACE_PLAYBACK_MINOR,
-};
-
-static const SpiceRecordInterface record_sif = {
- .base.type = SPICE_INTERFACE_RECORD,
- .base.description = "record",
- .base.major_version = SPICE_INTERFACE_RECORD_MAJOR,
- .base.minor_version = SPICE_INTERFACE_RECORD_MINOR,
-};
-
-static void *spice_audio_init (void)
-{
- if (!using_spice) {
- return NULL;
- }
- return &spice_audio_init;
-}
-
-static void spice_audio_fini (void *opaque)
-{
- /* nothing */
-}
-
-static void rate_start (SpiceRateCtl *rate)
-{
- memset (rate, 0, sizeof (*rate));
- rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-}
-
-static int rate_get_samples (struct audio_pcm_info *info, SpiceRateCtl *rate)
-{
- int64_t now;
- int64_t ticks;
- int64_t bytes;
- int64_t samples;
-
- now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- ticks = now - rate->start_ticks;
- bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND);
- samples = (bytes - rate->bytes_sent) >> info->shift;
- if (samples < 0 || samples > 65536) {
- error_report("Resetting rate control (%" PRId64 " samples)", samples);
- rate_start(rate);
- samples = 0;
- }
- rate->bytes_sent += samples << info->shift;
- return samples;
-}
-
-/* playback */
-
-static int line_out_init(HWVoiceOut *hw, struct audsettings *as,
- void *drv_opaque)
-{
- SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw);
- struct audsettings settings;
-
-#if SPICE_INTERFACE_PLAYBACK_MAJOR > 1 || SPICE_INTERFACE_PLAYBACK_MINOR >= 3
- settings.freq = spice_server_get_best_playback_rate(NULL);
-#else
- settings.freq = SPICE_INTERFACE_PLAYBACK_FREQ;
-#endif
- settings.nchannels = SPICE_INTERFACE_PLAYBACK_CHAN;
- settings.fmt = AUD_FMT_S16;
- settings.endianness = AUDIO_HOST_ENDIANNESS;
-
- audio_pcm_init_info (&hw->info, &settings);
- hw->samples = LINE_OUT_SAMPLES;
- out->active = 0;
-
- out->sin.base.sif = &playback_sif.base;
- qemu_spice_add_interface (&out->sin.base);
-#if SPICE_INTERFACE_PLAYBACK_MAJOR > 1 || SPICE_INTERFACE_PLAYBACK_MINOR >= 3
- spice_server_set_playback_rate(&out->sin, settings.freq);
-#endif
- return 0;
-}
-
-static void line_out_fini (HWVoiceOut *hw)
-{
- SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw);
-
- spice_server_remove_interface (&out->sin.base);
-}
-
-static int line_out_run (HWVoiceOut *hw, int live)
-{
- SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw);
- int rpos, decr;
- int samples;
-
- if (!live) {
- return 0;
- }
-
- decr = rate_get_samples (&hw->info, &out->rate);
- decr = audio_MIN (live, decr);
-
- samples = decr;
- rpos = hw->rpos;
- while (samples) {
- int left_till_end_samples = hw->samples - rpos;
- int len = audio_MIN (samples, left_till_end_samples);
-
- if (!out->frame) {
- spice_server_playback_get_buffer (&out->sin, &out->frame, &out->fsize);
- out->fpos = out->frame;
- }
- if (out->frame) {
- len = audio_MIN (len, out->fsize);
- hw->clip (out->fpos, hw->mix_buf + rpos, len);
- out->fsize -= len;
- out->fpos += len;
- if (out->fsize == 0) {
- spice_server_playback_put_samples (&out->sin, out->frame);
- out->frame = out->fpos = NULL;
- }
- }
- rpos = (rpos + len) % hw->samples;
- samples -= len;
- }
- hw->rpos = rpos;
- return decr;
-}
-
-static int line_out_write (SWVoiceOut *sw, void *buf, int len)
-{
- return audio_pcm_sw_write (sw, buf, len);
-}
-
-static int line_out_ctl (HWVoiceOut *hw, int cmd, ...)
-{
- SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw);
-
- switch (cmd) {
- case VOICE_ENABLE:
- if (out->active) {
- break;
- }
- out->active = 1;
- rate_start (&out->rate);
- spice_server_playback_start (&out->sin);
- break;
- case VOICE_DISABLE:
- if (!out->active) {
- break;
- }
- out->active = 0;
- if (out->frame) {
- memset (out->fpos, 0, out->fsize << 2);
- spice_server_playback_put_samples (&out->sin, out->frame);
- out->frame = out->fpos = NULL;
- }
- spice_server_playback_stop (&out->sin);
- break;
- case VOICE_VOLUME:
- {
-#if ((SPICE_INTERFACE_PLAYBACK_MAJOR >= 1) && (SPICE_INTERFACE_PLAYBACK_MINOR >= 2))
- SWVoiceOut *sw;
- va_list ap;
- uint16_t vol[2];
-
- va_start (ap, cmd);
- sw = va_arg (ap, SWVoiceOut *);
- va_end (ap);
-
- vol[0] = sw->vol.l / ((1ULL << 16) + 1);
- vol[1] = sw->vol.r / ((1ULL << 16) + 1);
- spice_server_playback_set_volume (&out->sin, 2, vol);
- spice_server_playback_set_mute (&out->sin, sw->vol.mute);
-#endif
- break;
- }
- }
-
- return 0;
-}
-
-/* record */
-
-static int line_in_init(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
-{
- SpiceVoiceIn *in = container_of (hw, SpiceVoiceIn, hw);
- struct audsettings settings;
-
-#if SPICE_INTERFACE_RECORD_MAJOR > 2 || SPICE_INTERFACE_RECORD_MINOR >= 3
- settings.freq = spice_server_get_best_record_rate(NULL);
-#else
- settings.freq = SPICE_INTERFACE_RECORD_FREQ;
-#endif
- settings.nchannels = SPICE_INTERFACE_RECORD_CHAN;
- settings.fmt = AUD_FMT_S16;
- settings.endianness = AUDIO_HOST_ENDIANNESS;
-
- audio_pcm_init_info (&hw->info, &settings);
- hw->samples = LINE_IN_SAMPLES;
- in->active = 0;
-
- in->sin.base.sif = &record_sif.base;
- qemu_spice_add_interface (&in->sin.base);
-#if SPICE_INTERFACE_RECORD_MAJOR > 2 || SPICE_INTERFACE_RECORD_MINOR >= 3
- spice_server_set_record_rate(&in->sin, settings.freq);
-#endif
- return 0;
-}
-
-static void line_in_fini (HWVoiceIn *hw)
-{
- SpiceVoiceIn *in = container_of (hw, SpiceVoiceIn, hw);
-
- spice_server_remove_interface (&in->sin.base);
-}
-
-static int line_in_run (HWVoiceIn *hw)
-{
- SpiceVoiceIn *in = container_of (hw, SpiceVoiceIn, hw);
- int num_samples;
- int ready;
- int len[2];
- uint64_t delta_samp;
- const uint32_t *samples;
-
- if (!(num_samples = hw->samples - audio_pcm_hw_get_live_in (hw))) {
- return 0;
- }
-
- delta_samp = rate_get_samples (&hw->info, &in->rate);
- num_samples = audio_MIN (num_samples, delta_samp);
-
- ready = spice_server_record_get_samples (&in->sin, in->samples, num_samples);
- samples = in->samples;
- if (ready == 0) {
- static const uint32_t silence[LINE_IN_SAMPLES];
- samples = silence;
- ready = LINE_IN_SAMPLES;
- }
-
- num_samples = audio_MIN (ready, num_samples);
-
- if (hw->wpos + num_samples > hw->samples) {
- len[0] = hw->samples - hw->wpos;
- len[1] = num_samples - len[0];
- } else {
- len[0] = num_samples;
- len[1] = 0;
- }
-
- hw->conv (hw->conv_buf + hw->wpos, samples, len[0]);
-
- if (len[1]) {
- hw->conv (hw->conv_buf, samples + len[0], len[1]);
- }
-
- hw->wpos = (hw->wpos + num_samples) % hw->samples;
-
- return num_samples;
-}
-
-static int line_in_read (SWVoiceIn *sw, void *buf, int size)
-{
- return audio_pcm_sw_read (sw, buf, size);
-}
-
-static int line_in_ctl (HWVoiceIn *hw, int cmd, ...)
-{
- SpiceVoiceIn *in = container_of (hw, SpiceVoiceIn, hw);
-
- switch (cmd) {
- case VOICE_ENABLE:
- if (in->active) {
- break;
- }
- in->active = 1;
- rate_start (&in->rate);
- spice_server_record_start (&in->sin);
- break;
- case VOICE_DISABLE:
- if (!in->active) {
- break;
- }
- in->active = 0;
- spice_server_record_stop (&in->sin);
- break;
- case VOICE_VOLUME:
- {
-#if ((SPICE_INTERFACE_RECORD_MAJOR >= 2) && (SPICE_INTERFACE_RECORD_MINOR >= 2))
- SWVoiceIn *sw;
- va_list ap;
- uint16_t vol[2];
-
- va_start (ap, cmd);
- sw = va_arg (ap, SWVoiceIn *);
- va_end (ap);
-
- vol[0] = sw->vol.l / ((1ULL << 16) + 1);
- vol[1] = sw->vol.r / ((1ULL << 16) + 1);
- spice_server_record_set_volume (&in->sin, 2, vol);
- spice_server_record_set_mute (&in->sin, sw->vol.mute);
-#endif
- break;
- }
- }
-
- return 0;
-}
-
-static struct audio_option audio_options[] = {
- { /* end of list */ },
-};
-
-static struct audio_pcm_ops audio_callbacks = {
- .init_out = line_out_init,
- .fini_out = line_out_fini,
- .run_out = line_out_run,
- .write = line_out_write,
- .ctl_out = line_out_ctl,
-
- .init_in = line_in_init,
- .fini_in = line_in_fini,
- .run_in = line_in_run,
- .read = line_in_read,
- .ctl_in = line_in_ctl,
-};
-
-struct audio_driver spice_audio_driver = {
- .name = "spice",
- .descr = "spice audio driver",
- .options = audio_options,
- .init = spice_audio_init,
- .fini = spice_audio_fini,
- .pcm_ops = &audio_callbacks,
- .max_voices_out = 1,
- .max_voices_in = 1,
- .voice_size_out = sizeof (SpiceVoiceOut),
- .voice_size_in = sizeof (SpiceVoiceIn),
-#if ((SPICE_INTERFACE_PLAYBACK_MAJOR >= 1) && (SPICE_INTERFACE_PLAYBACK_MINOR >= 2))
- .ctl_caps = VOICE_VOLUME_CAP
-#endif
-};
-
-void qemu_spice_audio_init (void)
-{
- spice_audio_driver.can_be_default = 1;
-}