From 4a3b8b344495cd7e7419604fbf51d8efd088c210 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?K=C5=91v=C3=A1g=C3=B3=2C=20Zolt=C3=A1n?= Date: Fri, 8 Mar 2019 23:34:18 +0100 Subject: dsoundaudio: port to -audiodev config MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Kővágó, Zoltán Message-id: f25562cb88246b41c3e6380685a108fd341d5b50.1552083282.git.DirtY.iCE.hu@gmail.com Signed-off-by: Gerd Hoffmann --- audio/audio_legacy.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) (limited to 'audio/audio_legacy.c') diff --git a/audio/audio_legacy.c b/audio/audio_legacy.c index 5f557a2de9..bf326bd360 100644 --- a/audio/audio_legacy.c +++ b/audio/audio_legacy.c @@ -120,6 +120,30 @@ static void get_frames_to_usecs(const char *env, uint32_t *dst, bool *has_dst, } } +static uint32_t samples_to_usecs(uint32_t samples, + AudiodevPerDirectionOptions *pdo) +{ + uint32_t channels = 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 = pdo->has_format ? pdo->format : AUDIO_FORMAT_S16; + uint32_t bytes_per_sample = 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_dst, + AudiodevPerDirectionOptions *pdo) +{ + const char *val = getenv(env); + if (val) { + *dst = bytes_to_usecs(toui32(val), pdo); + *has_dst = true; + } +} + /* backend specific functions */ /* ALSA */ static void handle_alsa_per_direction( @@ -180,6 +204,21 @@ static void handle_coreaudio(Audiodev *dev) &dev->u.coreaudio.out->has_buffer_count); } +/* 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->u.dsound.out->buffer_length, + &dev->u.dsound.out->has_buffer_length, + dev->u.dsound.out); + get_bytes_to_usecs("QEMU_DSOUND_BUFSIZE_IN", + &dev->u.dsound.in->buffer_length, + &dev->u.dsound.in->has_buffer_length, + dev->u.dsound.in); +} + /* general */ static void handle_per_direction( AudiodevPerDirectionOptions *pdo, const char *prefix) @@ -229,6 +268,10 @@ static AudiodevListEntry *legacy_opt(const char *drvname) handle_coreaudio(e->dev); break; + case AUDIODEV_DRIVER_DSOUND: + handle_dsound(e->dev); + break; + default: break; } -- cgit v1.2.3