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X-Received-From: 2a00:1450:4864:20::442 Subject: [Qemu-devel] [PATCH v4 07/14] dsoundaudio: port to -audiodev config X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Signed-off-by: K=C5=91v=C3=A1g=C3=B3, Zolt=C3=A1n --- audio/dsound_template.h | 6 ++--- audio/audio_legacy.c | 39 +++++++++++++++++++++++++++ audio/dsoundaudio.c | 59 ++++++++++++----------------------------- 3 files changed, 59 insertions(+), 45 deletions(-) diff --git a/audio/dsound_template.h b/audio/dsound_template.h index b439f33f58..96181efb36 100644 --- a/audio/dsound_template.h +++ b/audio/dsound_template.h @@ -167,17 +167,18 @@ static int dsound_init_out(HWVoiceOut *hw, struct aud= settings *as, dsound *s =3D drv_opaque; WAVEFORMATEX wfx; struct audsettings obt_as; - DSoundConf *conf =3D &s->conf; #ifdef DSBTYPE_IN const char *typ =3D "ADC"; DSoundVoiceIn *ds =3D (DSoundVoiceIn *) hw; DSCBUFFERDESC bd; DSCBCAPS bc; + AudiodevPerDirectionOptions *pdo =3D s->dev->in; #else const char *typ =3D "DAC"; DSoundVoiceOut *ds =3D (DSoundVoiceOut *) hw; DSBUFFERDESC bd; DSBCAPS bc; + AudiodevPerDirectionOptions *pdo =3D s->dev->out; #endif =20 if (!s->FIELD2) { @@ -193,8 +194,8 @@ static int dsound_init_out(HWVoiceOut *hw, struct audse= ttings *as, memset (&bd, 0, sizeof (bd)); bd.dwSize =3D sizeof (bd); bd.lpwfxFormat =3D &wfx; + bd.dwBufferBytes =3D audio_buffer_bytes(pdo, as, 92880); #ifdef DSBTYPE_IN - bd.dwBufferBytes =3D conf->bufsize_in; hr =3D IDirectSoundCapture_CreateCaptureBuffer ( s->dsound_capture, &bd, @@ -203,7 +204,6 @@ static int dsound_init_out(HWVoiceOut *hw, struct audse= ttings *as, ); #else bd.dwFlags =3D DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2; - bd.dwBufferBytes =3D conf->bufsize_out; hr =3D IDirectSound_CreateSoundBuffer ( s->dsound, &bd, diff --git a/audio/audio_legacy.c b/audio/audio_legacy.c index 301934bf0c..0002fce627 100644 --- a/audio/audio_legacy.c +++ b/audio/audio_legacy.c @@ -120,6 +120,30 @@ static void get_frames_to_usecs(const char *env, uint3= 2_t *dst, bool *has_dst, } } =20 +static uint32_t samples_to_usecs(uint32_t samples, + AudiodevPerDirectionOptions *pdo) +{ + uint32_t channels =3D pdo->has_channels ? pdo->channels : 2; + return frames_to_usecs(samples / channels, pdo); +} + +static uint32_t bytes_to_usecs(uint32_t bytes, AudiodevPerDirectionOptions= *pdo) +{ + AudioFormat fmt =3D pdo->has_format ? pdo->format : AUDIO_FORMAT_S16; + uint32_t bytes_per_sample =3D audioformat_bytes_per_sample(fmt); + return samples_to_usecs(bytes / bytes_per_sample, pdo); +} + +static void get_bytes_to_usecs(const char *env, uint32_t *dst, bool *has_d= st, + AudiodevPerDirectionOptions *pdo) +{ + const char *val =3D getenv(env); + if (val) { + *dst =3D bytes_to_usecs(toui32(val), pdo); + *has_dst =3D true; + } +} + /* backend specific functions */ /* ALSA */ static void handle_alsa_per_direction( @@ -186,6 +210,17 @@ static void handle_coreaudio(Audiodev *dev) &dev->out->buffer_count, &dev->out->has_buffer_count); } =20 +/* dsound */ +static void handle_dsound(Audiodev *dev) +{ + get_millis_to_usecs("QEMU_DSOUND_LATENCY_MILLIS", + &dev->u.dsound.latency, &dev->u.dsound.has_latency= ); + get_bytes_to_usecs("QEMU_DSOUND_BUFSIZE_OUT", &dev->out->buffer_len, + &dev->out->has_buffer_len, dev->out); + get_bytes_to_usecs("QEMU_DSOUND_BUFSIZE_IN", &dev->in->buffer_len, + &dev->in->has_buffer_len, dev->in); +} + /* general */ static void handle_per_direction( AudiodevPerDirectionOptions *pdo, const char *prefix) @@ -237,6 +272,10 @@ static AudiodevListEntry *legacy_opt(const char *drvna= me) handle_coreaudio(e->dev); break; =20 + case AUDIODEV_DRIVER_DSOUND: + handle_dsound(e->dev); + break; + default: break; } diff --git a/audio/dsoundaudio.c b/audio/dsoundaudio.c index 02fe777cba..a7d04b5033 100644 --- a/audio/dsoundaudio.c +++ b/audio/dsoundaudio.c @@ -32,6 +32,7 @@ =20 #define AUDIO_CAP "dsound" #include "audio_int.h" +#include "qemu/host-utils.h" =20 #include #include @@ -42,17 +43,11 @@ =20 /* #define DEBUG_DSOUND */ =20 -typedef struct { - int bufsize_in; - int bufsize_out; - int latency_millis; -} DSoundConf; - typedef struct { LPDIRECTSOUND dsound; LPDIRECTSOUNDCAPTURE dsound_capture; struct audsettings settings; - DSoundConf conf; + Audiodev *dev; } dsound; =20 typedef struct { @@ -248,9 +243,9 @@ static void GCC_FMT_ATTR (3, 4) dsound_logerr2 ( dsound_log_hresult (hr); } =20 -static DWORD millis_to_bytes (struct audio_pcm_info *info, DWORD millis) +static uint64_t usecs_to_bytes(struct audio_pcm_info *info, uint32_t usecs) { - return (millis * info->bytes_per_second) / 1000; + return muldiv64(usecs, info->bytes_per_second, 1000000); } =20 #ifdef DEBUG_DSOUND @@ -478,7 +473,7 @@ static int dsound_run_out (HWVoiceOut *hw, int live) LPVOID p1, p2; int bufsize; dsound *s =3D ds->s; - DSoundConf *conf =3D &s->conf; + AudiodevDsoundOptions *dso =3D &s->dev->u.dsound; =20 if (!dsb) { dolog ("Attempt to run empty with playback buffer\n"); @@ -501,14 +496,14 @@ static int dsound_run_out (HWVoiceOut *hw, int live) len =3D live << hwshift; =20 if (ds->first_time) { - if (conf->latency_millis) { + if (dso->latency) { DWORD cur_blat; =20 cur_blat =3D audio_ring_dist (wpos, ppos, bufsize); ds->first_time =3D 0; old_pos =3D wpos; old_pos +=3D - millis_to_bytes (&hw->info, conf->latency_millis) - cur_bl= at; + usecs_to_bytes(&hw->info, dso->latency) - cur_blat; old_pos %=3D bufsize; old_pos &=3D ~hw->info.align; } @@ -747,12 +742,6 @@ static int dsound_run_in (HWVoiceIn *hw) return decr; } =20 -static DSoundConf glob_conf =3D { - .bufsize_in =3D 16384, - .bufsize_out =3D 16384, - .latency_millis =3D 10 -}; - static void dsound_audio_fini (void *opaque) { HRESULT hr; @@ -788,8 +777,17 @@ static void *dsound_audio_init(Audiodev *dev) int err; HRESULT hr; dsound *s =3D g_malloc0(sizeof(dsound)); + AudiodevDsoundOptions *dso; + + assert(dev->driver =3D=3D AUDIODEV_DRIVER_DSOUND); + s->dev =3D dev; + dso =3D &dev->u.dsound; + + if (!dso->has_latency) { + dso->has_latency =3D true; + dso->latency =3D 10000; /* 10 ms */ + } =20 - s->conf =3D glob_conf; hr =3D CoInitialize (NULL); if (FAILED (hr)) { dsound_logerr (hr, "Could not initialize COM\n"); @@ -854,28 +852,6 @@ static void *dsound_audio_init(Audiodev *dev) return s; } =20 -static struct audio_option dsound_options[] =3D { - { - .name =3D "LATENCY_MILLIS", - .tag =3D AUD_OPT_INT, - .valp =3D &glob_conf.latency_millis, - .descr =3D "(undocumented)" - }, - { - .name =3D "BUFSIZE_OUT", - .tag =3D AUD_OPT_INT, - .valp =3D &glob_conf.bufsize_out, - .descr =3D "(undocumented)" - }, - { - .name =3D "BUFSIZE_IN", - .tag =3D AUD_OPT_INT, - .valp =3D &glob_conf.bufsize_in, - .descr =3D "(undocumented)" - }, - { /* End of list */ } -}; - static struct audio_pcm_ops dsound_pcm_ops =3D { .init_out =3D dsound_init_out, .fini_out =3D dsound_fini_out, @@ -893,7 +869,6 @@ static struct audio_pcm_ops dsound_pcm_ops =3D { static struct audio_driver dsound_audio_driver =3D { .name =3D "dsound", .descr =3D "DirectSound http://wikipedia.org/wiki/DirectSound= ", - .options =3D dsound_options, .init =3D dsound_audio_init, .fini =3D dsound_audio_fini, .pcm_ops =3D &dsound_pcm_ops, --=20 2.20.1