--- /dev/null
+/*
+ * QEMU DirectSound audio driver 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 DSBTYPE_IN
+#define NAME "capture buffer"
+#define NAME2 "DirectSoundCapture"
+#define TYPE in
+#define IFACE IDirectSoundCaptureBuffer
+#define BUFPTR LPDIRECTSOUNDCAPTUREBUFFER
+#define FIELD dsound_capture_buffer
+#define FIELD2 dsound_capture
+#else
+#define NAME "playback buffer"
+#define NAME2 "DirectSound"
+#define TYPE out
+#define IFACE IDirectSoundBuffer
+#define BUFPTR LPDIRECTSOUNDBUFFER
+#define FIELD dsound_buffer
+#define FIELD2 dsound
+#endif
+
+static int glue (dsound_unlock_, TYPE) (
+ BUFPTR buf,
+ LPVOID p1,
+ LPVOID p2,
+ DWORD blen1,
+ DWORD blen2
+ )
+{
+ HRESULT hr;
+
+ hr = glue (IFACE, _Unlock) (buf, p1, blen1, p2, blen2);
+ if (FAILED (hr)) {
+ dsound_logerr (hr, "Could not unlock " NAME "\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int glue (dsound_lock_, TYPE) (
+ BUFPTR buf,
+ struct audio_pcm_info *info,
+ DWORD pos,
+ DWORD len,
+ LPVOID *p1p,
+ LPVOID *p2p,
+ DWORD *blen1p,
+ DWORD *blen2p,
+ int entire,
+ dsound *s
+ )
+{
+ HRESULT hr;
+ LPVOID p1 = NULL, p2 = NULL;
+ DWORD blen1 = 0, blen2 = 0;
+ DWORD flag;
+
+#ifdef DSBTYPE_IN
+ flag = entire ? DSCBLOCK_ENTIREBUFFER : 0;
+#else
+ flag = entire ? DSBLOCK_ENTIREBUFFER : 0;
+#endif
+ hr = glue(IFACE, _Lock)(buf, pos, len, &p1, &blen1, &p2, &blen2, flag);
+
+ if (FAILED (hr)) {
+#ifndef DSBTYPE_IN
+ if (hr == DSERR_BUFFERLOST) {
+ if (glue (dsound_restore_, TYPE) (buf, s)) {
+ dsound_logerr (hr, "Could not lock " NAME "\n");
+ }
+ goto fail;
+ }
+#endif
+ dsound_logerr (hr, "Could not lock " NAME "\n");
+ goto fail;
+ }
+
+ if ((p1 && (blen1 & info->align)) || (p2 && (blen2 & info->align))) {
+ dolog ("DirectSound returned misaligned buffer %ld %ld\n",
+ blen1, blen2);
+ glue (dsound_unlock_, TYPE) (buf, p1, p2, blen1, blen2);
+ goto fail;
+ }
+
+ if (!p1 && blen1) {
+ dolog ("warning: !p1 && blen1=%ld\n", blen1);
+ blen1 = 0;
+ }
+
+ if (!p2 && blen2) {
+ dolog ("warning: !p2 && blen2=%ld\n", blen2);
+ blen2 = 0;
+ }
+
+ *p1p = p1;
+ *p2p = p2;
+ *blen1p = blen1;
+ *blen2p = blen2;
+ return 0;
+
+ fail:
+ *p1p = NULL - 1;
+ *p2p = NULL - 1;
+ *blen1p = -1;
+ *blen2p = -1;
+ return -1;
+}
+
+#ifdef DSBTYPE_IN
+static void dsound_fini_in (HWVoiceIn *hw)
+#else
+static void dsound_fini_out (HWVoiceOut *hw)
+#endif
+{
+ HRESULT hr;
+#ifdef DSBTYPE_IN
+ DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
+#else
+ DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
+#endif
+
+ if (ds->FIELD) {
+ hr = glue (IFACE, _Stop) (ds->FIELD);
+ if (FAILED (hr)) {
+ dsound_logerr (hr, "Could not stop " NAME "\n");
+ }
+
+ hr = glue (IFACE, _Release) (ds->FIELD);
+ if (FAILED (hr)) {
+ dsound_logerr (hr, "Could not release " NAME "\n");
+ }
+ ds->FIELD = NULL;
+ }
+}
+
+#ifdef DSBTYPE_IN
+static int dsound_init_in(HWVoiceIn *hw, struct audsettings *as,
+ void *drv_opaque)
+#else
+static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
+ void *drv_opaque)
+#endif
+{
+ int err;
+ HRESULT hr;
+ dsound *s = drv_opaque;
+ WAVEFORMATEX wfx;
+ struct audsettings obt_as;
+ DSoundConf *conf = &s->conf;
+#ifdef DSBTYPE_IN
+ const char *typ = "ADC";
+ DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
+ DSCBUFFERDESC bd;
+ DSCBCAPS bc;
+#else
+ const char *typ = "DAC";
+ DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
+ DSBUFFERDESC bd;
+ DSBCAPS bc;
+#endif
+
+ if (!s->FIELD2) {
+ dolog ("Attempt to initialize voice without " NAME2 " object\n");
+ return -1;
+ }
+
+ err = waveformat_from_audio_settings (&wfx, as);
+ if (err) {
+ return -1;
+ }
+
+ memset (&bd, 0, sizeof (bd));
+ bd.dwSize = sizeof (bd);
+ bd.lpwfxFormat = &wfx;
+#ifdef DSBTYPE_IN
+ bd.dwBufferBytes = conf->bufsize_in;
+ hr = IDirectSoundCapture_CreateCaptureBuffer (
+ s->dsound_capture,
+ &bd,
+ &ds->dsound_capture_buffer,
+ NULL
+ );
+#else
+ bd.dwFlags = DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2;
+ bd.dwBufferBytes = conf->bufsize_out;
+ hr = IDirectSound_CreateSoundBuffer (
+ s->dsound,
+ &bd,
+ &ds->dsound_buffer,
+ NULL
+ );
+#endif
+
+ if (FAILED (hr)) {
+ dsound_logerr2 (hr, typ, "Could not create " NAME "\n");
+ return -1;
+ }
+
+ hr = glue (IFACE, _GetFormat) (ds->FIELD, &wfx, sizeof (wfx), NULL);
+ if (FAILED (hr)) {
+ dsound_logerr2 (hr, typ, "Could not get " NAME " format\n");
+ goto fail0;
+ }
+
+#ifdef DEBUG_DSOUND
+ dolog (NAME "\n");
+ print_wave_format (&wfx);
+#endif
+
+ memset (&bc, 0, sizeof (bc));
+ bc.dwSize = sizeof (bc);
+
+ hr = glue (IFACE, _GetCaps) (ds->FIELD, &bc);
+ if (FAILED (hr)) {
+ dsound_logerr2 (hr, typ, "Could not get " NAME " format\n");
+ goto fail0;
+ }
+
+ err = waveformat_to_audio_settings (&wfx, &obt_as);
+ if (err) {
+ goto fail0;
+ }
+
+ ds->first_time = 1;
+ obt_as.endianness = 0;
+ audio_pcm_init_info (&hw->info, &obt_as);
+
+ if (bc.dwBufferBytes & hw->info.align) {
+ dolog (
+ "GetCaps returned misaligned buffer size %ld, alignment %d\n",
+ bc.dwBufferBytes, hw->info.align + 1
+ );
+ }
+ hw->samples = bc.dwBufferBytes >> hw->info.shift;
+ ds->s = s;
+
+#ifdef DEBUG_DSOUND
+ dolog ("caps %ld, desc %ld\n",
+ bc.dwBufferBytes, bd.dwBufferBytes);
+
+ dolog ("bufsize %d, freq %d, chan %d, fmt %d\n",
+ hw->bufsize, settings.freq, settings.nchannels, settings.fmt);
+#endif
+ return 0;
+
+ fail0:
+ glue (dsound_fini_, TYPE) (hw);
+ return -1;
+}
+
+#undef NAME
+#undef NAME2
+#undef TYPE
+#undef IFACE
+#undef BUFPTR
+#undef FIELD
+#undef FIELD2
Code Review / kvmfornfv.git / blobdiff