[vlc-devel] [PATCH] aout: get the jitter delay from modules
Rémi Denis-Courmont
remi at remlab.net
Tue Feb 5 12:26:28 CET 2019
I don't think that's correct. We certainly want to support larger than 80 ms buffers at least for non-interactive content.
Le 5 février 2019 12:24:23 GMT+02:00, Thomas Guillem <thomas at gllm.fr> a écrit :
>
>On Tue, Feb 5, 2019, at 10:51, Rémi Denis-Courmont wrote:
>> Hi,
>>
>> This seems backward. The period of the output should be no more than
>half the maximum tolerable delay, and most back-ends support different
>values. Only if the minimum period length is more than half the maximum
>delay should the back-end override (increase) the delay.
>
>OK, If I understand correctly: the default delay is MAX_ADVANCE * 2 =
>80ms;
>Aout modules should configure their period according to this value:
>that is MAX_ADVANCE = 40ms; Otherwise, they can override this value.
>
>>
>> Le 5 février 2019 10:18:07 GMT+02:00, Thomas Guillem <thomas at gllm.fr>
>a écrit :
>>> This value should be 2 times (RFC: or 3 times, Rémi ?) the minimum
>audio
>>> request value.
>>>
>>> This value will be used by the future new output clock. If the audio
>ES is the
>>> master, audio outputs will be able to set the jitter value of the
>clock. The
>>> first start of all other ESes will be delayed by this value. This
>will allow to
>>> start without any distortion/frame drop. include/vlc_aout.h
> | 7 ++++++-
>>> modules/audio_output/adummy.c | 5 +++--
>>> modules/audio_output/alsa.c | 4 +++-
>>> modules/audio_output/amem.c | 4 +++-
>>> modules/audio_output/audiotrack.c | 6 ++++--
>>> modules/audio_output/audiounit_ios.m | 4 +++-
>>> modules/audio_output/auhal.c | 4 +++-
>>> modules/audio_output/directsound.c | 3 ++-
>>> modules/audio_output/file.c | 4 +++-
>>> modules/audio_output/jack.c | 4 +++-
>>> modules/audio_output/kai.c | 3 ++-
>>> modules/audio_output/mmdevice.c | 4 +++-
>>> modules/audio_output/opensles_android.c | 4 +++-
>>> modules/audio_output/oss.c | 4 +++-
>>> modules/audio_output/pulse.c | 4 +++-
>>> modules/audio_output/sndio.c | 3 ++-
>>> modules/audio_output/tizen_audio.c | 4 +++-
>>> modules/audio_output/waveout.c | 4 +++-
>>> modules/audio_output/winstore.c | 4 +++-
>>> modules/video_output/decklink.cpp | 4 +++-
>>> src/audio_output/output.c | 3 ++-
>>> 21 files changed, 63 insertions(+), 23 deletions(-)
>>>
>>> diff --git a/include/vlc_aout.h b/include/vlc_aout.h
>>> index 11209ee0ce..cec64a1e61 100644
>>> --- a/include/vlc_aout.h
>>> +++ b/include/vlc_aout.h
>>> @@ -140,7 +140,7 @@ struct audio_output
>>>
>>> void *sys; /**< Private data for callbacks */
>>>
>>> - int (*start)(audio_output_t *, audio_sample_format_t *fmt);
>>> + int (*start)(audio_output_t *, audio_sample_format_t *fmt,
>vlc_tick_t *jitter);
>>> /**< Starts a new stream (mandatory, cannot be NULL).
>>> *
>>> * This callback changes the audio output from stopped to
>playing state
>>> @@ -149,6 +149,11 @@ struct audio_output
>>> *
>>> * \param fmt input stream sample format upon entry,
>>> * output stream sample format upon return [IN/OUT]
>>> + * \param jitter delay that is needed to start without
>distortion. The
>>> + * first played block date will be 'jitter' us in the future.
>If the
>>> + * module can't handle a late start, the time_get()
>implementation should
>>> + * return a valid value before the first play. [OUT]
>>> +
>>> * \return VLC_SUCCESS on success, non-zero on failure
>>> *
>>> * \note This callback can only be called while the audio
>output is in
>>> diff --git a/modules/audio_output/adummy.c
>b/modules/audio_output/adummy.c
>>> index d0889b8c08..894356e527 100644
>>> --- a/modules/audio_output/adummy.c
>>> +++ b/modules/audio_output/adummy.c
>>> @@ -57,9 +57,10 @@ static void Flush(audio_output_t *aout, bool
>wait)
>>> (void) aout; (void) wait;
>>> }
>>>
>>> -static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> - (void) aout;
>>> + (void) aout; (void) jitter;
>>>
>>> switch (fmt->i_format)
>>> {
>>> diff --git a/modules/audio_output/alsa.c
>b/modules/audio_output/alsa.c
>>> index 08067c1338..9ff6c3eb09 100644
>>> --- a/modules/audio_output/alsa.c
>>> +++ b/modules/audio_output/alsa.c
>>> @@ -297,7 +297,8 @@ static void PauseDummy (audio_output_t *, bool,
>vlc_tick_t);
>>> static void Flush (audio_output_t *, bool);
>>>
>>> /** Initializes an ALSA playback stream */
>>> -static int Start (audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start (audio_output_t *aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> aout_sys_t *sys = aout->sys;
>>> snd_pcm_format_t pcm_format; /* ALSA sample format */
>>> @@ -627,6 +628,7 @@ static int Start (audio_output_t *aout,
>audio_sample_format_t *restrict fmt)
>>> error:
>>> snd_pcm_close (pcm);
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static int TimeGet (audio_output_t *aout, vlc_tick_t *restrict
>delay)
>>> diff --git a/modules/audio_output/amem.c
>b/modules/audio_output/amem.c
>>> index dcba84c32d..098b97b9ac 100644
>>> --- a/modules/audio_output/amem.c
>>> +++ b/modules/audio_output/amem.c
>>> @@ -184,7 +184,8 @@ static void Stop (audio_output_t *aout)
>>> vlc_mutex_unlock(&sys->lock);
>>> }
>>>
>>> -static int Start (audio_output_t *aout, audio_sample_format_t *fmt)
>>> +static int Start (audio_output_t *aout, audio_sample_format_t *fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> aout_sys_t *sys = aout->sys;
>>> char format[5] = "S16N";
>>> @@ -265,6 +266,7 @@ static int Start (audio_output_t *aout,
>audio_sample_format_t *fmt)
>>> fmt->i_format = VLC_CODEC_S16N;
>>> fmt->channel_type = AUDIO_CHANNEL_TYPE_BITMAP;
>>> return VLC_SUCCESS;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static int Open (vlc_object_t *obj)
>>> diff --git a/modules/audio_output/audiotrack.c
>b/modules/audio_output/audiotrack.c
>>> index 8aef4aecfe..ed45d82253 100644
>>> --- a/modules/audio_output/audiotrack.c
>>> +++ b/modules/audio_output/audiotrack.c
>>> @@ -43,7 +43,7 @@
>>> static int Open( vlc_object_t * );
>>> static void Close( vlc_object_t * );
>>> static void Stop( audio_output_t * );
>>> -static int Start( audio_output_t *, audio_sample_format_t * );
>>> +static int Start( audio_output_t *, audio_sample_format_t *,
>vlc_tick_t * );
>>> static void *AudioTrack_Thread( void * );
>>>
>>> /* There is an undefined behavior when configuring AudioTrack with
>SPDIF or
>>> @@ -1292,7 +1292,8 @@ StartPCM( JNIEnv *env, audio_output_t *p_aout,
>unsigned i_max_channels )
>>> }
>>>
>>> static int
>>> -Start( audio_output_t *p_aout, audio_sample_format_t *restrict
>p_fmt )
>>> +Start( audio_output_t *p_aout, audio_sample_format_t *restrict
>p_fmt,
>>> + vlc_tick_t *jitter )
>>> {
>>> aout_sys_t *p_sys = p_aout->sys;
>>> JNIEnv *env;
>>> @@ -1494,6 +1495,7 @@ Start( audio_output_t *p_aout,
>audio_sample_format_t *restrict p_fmt )
>>> error:
>>> Stop( p_aout );
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void
>>> diff --git a/modules/audio_output/audiounit_ios.m
>b/modules/audio_output/audiounit_ios.m
>>> index e449f6e2eb..f379c4f70f 100644
>>> --- a/modules/audio_output/audiounit_ios.m
>>> +++ b/modules/audio_output/audiounit_ios.m
>>> @@ -477,7 +477,8 @@ Stop(audio_output_t *p_aout)
>>> }
>>>
>>> static int
>>> -Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt)
>>> +Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> aout_sys_t *p_sys = p_aout->sys;
>>> OSStatus err;
>>> @@ -580,6 +581,7 @@ error:
>>> [[NSNotificationCenter defaultCenter]
>removeObserver:p_sys->aoutWrapper];
>>> msg_Err(p_aout, "opening AudioUnit output failed");
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static int DeviceSelect(audio_output_t *p_aout, const char *psz_id)
>>> diff --git a/modules/audio_output/auhal.c
>b/modules/audio_output/auhal.c
>>> index 8005e27954..1bc215a9d5 100644
>>> --- a/modules/audio_output/auhal.c
>>> +++ b/modules/audio_output/auhal.c
>>> @@ -1496,7 +1496,8 @@ Stop(audio_output_t *p_aout)
>>> }
>>>
>>> static int
>>> -Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt)
>>> +Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> UInt32 i_param_size = 0;
>>> aout_sys_t *p_sys = NULL;
>>> @@ -1627,6 +1628,7 @@ Start(audio_output_t *p_aout,
>audio_sample_format_t *restrict fmt)
>>> kAudioDevicePropertyDeviceIsAlive,
>>> kAudioObjectPropertyScopeGlobal);
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void Close(vlc_object_t *obj)
>>> diff --git a/modules/audio_output/directsound.c
>b/modules/audio_output/directsound.c
>>> index b3f3b130c5..0752a559d8 100644
>>> --- a/modules/audio_output/directsound.c
>>> +++ b/modules/audio_output/directsound.c
>>> @@ -963,7 +963,7 @@ static int MuteSet( audio_output_t *p_aout, bool
>mute )
>>> }
>>>
>>> static int OutputStart( audio_output_t *p_aout,
>>> - audio_sample_format_t *restrict fmt )
>>> + audio_sample_format_t *restrict fmt,
>vlc_tick_t *jitter )
>>> {
>>> msg_Dbg( p_aout, "Opening DirectSound Audio Output" );
>>>
>>> @@ -990,6 +990,7 @@ static int OutputStart( audio_output_t *p_aout,
>>> p_aout->flush = OutputFlush;
>>>
>>> return 0;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> typedef struct
>>> diff --git a/modules/audio_output/file.c
>b/modules/audio_output/file.c
>>> index fbdf35fcb1..0fab9bdece 100644
>>> --- a/modules/audio_output/file.c
>>> +++ b/modules/audio_output/file.c
>>> @@ -128,7 +128,8 @@ vlc_module_begin ()
>>> set_callbacks( Open, NULL )
>>> vlc_module_end ()
>>>
>>> -static int Start( audio_output_t *p_aout, audio_sample_format_t
>*restrict fmt )
>>> +static int Start( audio_output_t *p_aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter )
>>> {
>>> char * psz_name, * psz_format;
>>> const char * const * ppsz_compare = format_list;
>>> @@ -272,6 +273,7 @@ static int Start( audio_output_t *p_aout,
>audio_sample_format_t *restrict fmt )
>>> }
>>>
>>> return 0;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>>
>/*****************************************************************************
>>> diff --git a/modules/audio_output/jack.c
>b/modules/audio_output/jack.c
>>> index 59ad013b2f..6dce9f1609 100644
>>> --- a/modules/audio_output/jack.c
>>> +++ b/modules/audio_output/jack.c
>>> @@ -112,7 +112,8 @@ vlc_module_begin ()
>>> vlc_module_end ()
>>>
>>>
>>> -static int Start( audio_output_t *p_aout, audio_sample_format_t
>*restrict fmt )
>>> +static int Start( audio_output_t *p_aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter )
>>> {
>>> char *psz_name;
>>> aout_sys_t *p_sys = p_aout->sys;
>>> @@ -280,6 +281,7 @@ error_out:
>>> }
>>> free( psz_name );
>>> return status;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void Play(audio_output_t * p_aout, block_t * p_block,
>vlc_tick_t date)
>>> diff --git a/modules/audio_output/kai.c b/modules/audio_output/kai.c
>>> index 98a2182394..5c87aeb74b 100644
>>> --- a/modules/audio_output/kai.c
>>> +++ b/modules/audio_output/kai.c
>>> @@ -124,7 +124,7 @@ vlc_module_end ()
>>>
>/*****************************************************************************
>>> * Open: open the audio device
>>>
>*****************************************************************************/
>>> -static int Start ( audio_output_t *p_aout, audio_sample_format_t
>*fmt )
>>> +static int Start ( audio_output_t *p_aout, audio_sample_format_t
>*fmt, vlc_tick_t *jitter )
>>> {
>>> aout_sys_t *p_sys = p_aout->sys;
>>> char *psz_mode;
>>> @@ -228,6 +228,7 @@ exit_kai_done :
>>> kaiDone();
>>>
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED( jitter );
>>> }
>>>
>>>
>/*****************************************************************************
>>> diff --git a/modules/audio_output/mmdevice.c
>b/modules/audio_output/mmdevice.c
>>> index 3aded2b9d3..8d6948b285 100644
>>> --- a/modules/audio_output/mmdevice.c
>>> +++ b/modules/audio_output/mmdevice.c
>>> @@ -1117,7 +1117,8 @@ static void aout_stream_Stop(void *func,
>va_list ap)
>>> stop(s);
>>> }
>>>
>>> -static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> aout_sys_t *sys = aout->sys;
>>>
>>> @@ -1232,6 +1233,7 @@ static int Start(audio_output_t *aout,
>audio_sample_format_t *restrict fmt)
>>> sys->stream = s;
>>> aout_GainRequest(aout, sys->gain);
>>> return 0;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void Stop(audio_output_t *aout)
>>> diff --git a/modules/audio_output/opensles_android.c
>b/modules/audio_output/opensles_android.c
>>> index f0d7360397..080548b17a 100644
>>> --- a/modules/audio_output/opensles_android.c
>>> +++ b/modules/audio_output/opensles_android.c
>>> @@ -380,7 +380,8 @@ static int
>aout_get_native_sample_rate(audio_output_t *aout)
>>>
>/*****************************************************************************
>>> *
>>>
>*****************************************************************************/
>>> -static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> if (aout_FormatNbChannels(fmt) == 0 || !AOUT_FMT_LINEAR(fmt))
>>> return VLC_EGENERIC;
>>> @@ -496,6 +497,7 @@ error:
>>> }
>>>
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void Stop(audio_output_t *aout)
>>> diff --git a/modules/audio_output/oss.c b/modules/audio_output/oss.c
>>> index 5e16255798..820a3b63c1 100644
>>> --- a/modules/audio_output/oss.c
>>> +++ b/modules/audio_output/oss.c
>>> @@ -92,7 +92,8 @@ static void Play(audio_output_t *, block_t *,
>vlc_tick_t);
>>> static void Pause (audio_output_t *, bool, vlc_tick_t);
>>> static void Flush (audio_output_t *, bool);
>>>
>>> -static int Start (audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start (audio_output_t *aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> aout_sys_t* sys = aout->sys;
>>>
>>> @@ -248,6 +249,7 @@ static int Start (audio_output_t *aout,
>audio_sample_format_t *restrict fmt)
>>> error:
>>> vlc_close (fd);
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static int TimeGet (audio_output_t *aout, vlc_tick_t *restrict pts)
>>> diff --git a/modules/audio_output/pulse.c
>b/modules/audio_output/pulse.c
>>> index 5075dd92ce..8be4004534 100644
>>> --- a/modules/audio_output/pulse.c
>>> +++ b/modules/audio_output/pulse.c
>>> @@ -696,7 +696,8 @@ static const char *str_map(const char *key,
>const char *const table[][2],
>>> /**
>>> * Create a PulseAudio playback stream, a.k.a. a sink input.
>>> */
>>> -static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> aout_sys_t *sys = aout->sys;
>>>
>>> @@ -962,6 +963,7 @@ fail:
>>> pa_threaded_mainloop_unlock(sys->mainloop);
>>> Stop(aout);
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> /**
>>> diff --git a/modules/audio_output/sndio.c
>b/modules/audio_output/sndio.c
>>> index 6b28772817..54df8a0e96 100644
>>> --- a/modules/audio_output/sndio.c
>>> +++ b/modules/audio_output/sndio.c
>>> @@ -62,7 +62,7 @@ typedef struct
>>> } aout_sys_t;
>>>
>>> /** Initializes an sndio playback stream */
>>> -static int Start (audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start (audio_output_t *aout, audio_sample_format_t
>*restrict fmt, vlc_tick_t *jitter)
>>> {
>>> aout_sys_t *sys = aout->sys;
>>>
>>> @@ -202,6 +202,7 @@ static int Start (audio_output_t *aout,
>audio_sample_format_t *restrict fmt)
>>> error:
>>> sio_close (sys->hdl);
>>> return VLC_EGENERIC;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void Stop (audio_output_t *aout)
>>> diff --git a/modules/audio_output/tizen_audio.c
>b/modules/audio_output/tizen_audio.c
>>> index 6ed34ac3d3..19332417ec 100644
>>> --- a/modules/audio_output/tizen_audio.c
>>> +++ b/modules/audio_output/tizen_audio.c
>>> @@ -193,7 +193,8 @@ AudioIO_Start( audio_output_t *p_aout )
>>> }
>>>
>>> static int
>>> -Start( audio_output_t *p_aout, audio_sample_format_t *restrict
>p_fmt )
>>> +Start( audio_output_t *p_aout, audio_sample_format_t *restrict
>p_fmt,
>>> + vlc_tick_t *jitter )
>>> {
>>> aout_sys_t *p_sys = p_aout->sys;
>>>
>>> @@ -242,6 +243,7 @@ Start( audio_output_t *p_aout,
>audio_sample_format_t *restrict p_fmt )
>>> aout_FormatPrint( p_aout, "Tizen audio will output:", p_fmt );
>>>
>>> return VLC_SUCCESS;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void
>>> diff --git a/modules/audio_output/waveout.c
>b/modules/audio_output/waveout.c
>>> index b71fe762bb..74b67d0388 100644
>>> --- a/modules/audio_output/waveout.c
>>> +++ b/modules/audio_output/waveout.c
>>> @@ -168,7 +168,8 @@ vlc_module_end ()
>>>
>*****************************************************************************
>>> * This function opens and setups Win32 waveOut
>>>
>*****************************************************************************/
>>> -static int Start( audio_output_t *p_aout, audio_sample_format_t
>*restrict fmt )
>>> +static int Start( audio_output_t *p_aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter )
>>> {
>>> if( aout_FormatNbChannels( fmt ) == 0 )
>>> return VLC_EGENERIC;
>>> @@ -334,6 +335,7 @@ static int Start( audio_output_t *p_aout,
>audio_sample_format_t *restrict fmt )
>>> fmt->channel_type = AUDIO_CHANNEL_TYPE_BITMAP;
>>>
>>> return VLC_SUCCESS;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>>
>/*****************************************************************************
>>> diff --git a/modules/audio_output/winstore.c
>b/modules/audio_output/winstore.c
>>> index 5dcad97908..afc4224e5c 100644
>>> --- a/modules/audio_output/winstore.c
>>> +++ b/modules/audio_output/winstore.c
>>> @@ -226,7 +226,8 @@ static void aout_stream_Stop(void *func, va_list
>ap)
>>> stop(s);
>>> }
>>>
>>> -static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> aout_sys_t *sys = aout->sys;
>>> HRESULT hr;
>>> @@ -252,6 +253,7 @@ static int Start(audio_output_t *aout,
>audio_sample_format_t *restrict fmt)
>>> assert (sys->stream == NULL);
>>> sys->stream = s;
>>> return 0;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void Stop(audio_output_t *aout)
>>> diff --git a/modules/video_output/decklink.cpp
>b/modules/video_output/decklink.cpp
>>> index 597807d163..467dd87d75 100644
>>> --- a/modules/video_output/decklink.cpp
>>> +++ b/modules/video_output/decklink.cpp
>>> @@ -1099,7 +1099,8 @@ static int TimeGet(audio_output_t *,
>vlc_tick_t* restrict)
>>> return -1;
>>> }
>>>
>>> -static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt)
>>> +static int Start(audio_output_t *aout, audio_sample_format_t
>*restrict fmt,
>>> + vlc_tick_t *jitter)
>>> {
>>> decklink_sys_t *sys = (decklink_sys_t *) aout->sys;
>>>
>>> @@ -1116,6 +1117,7 @@ static int Start(audio_output_t *aout,
>audio_sample_format_t *restrict fmt)
>>> fmt->i_frame_length = FRAME_SIZE;
>>>
>>> return VLC_SUCCESS;
>>> + VLC_UNUSED(jitter);
>>> }
>>>
>>> static void PlayAudio(audio_output_t *aout, block_t *audio,
>vlc_tick_t systempts)
>>> diff --git a/src/audio_output/output.c b/src/audio_output/output.c
>>> index 7c1f90b6ba..3a29c308e7 100644
>>> --- a/src/audio_output/output.c
>>> +++ b/src/audio_output/output.c
>>> @@ -570,7 +570,8 @@ int aout_OutputNew (audio_output_t *aout,
>audio_sample_format_t *restrict fmt,
>>> aout->current_sink_info.headphones = false;
>>>
>>> aout_OutputLock(aout);
>>> - int ret = aout->start(aout, fmt);
>>> + vlc_tick_t jitter = AOUT_MAX_PTS_ADVANCE * 2;
>>> + int ret = aout->start(aout, fmt, &jitter);
>>> aout_OutputUnlock(aout);
>>> if (ret)
>>> {
>>
>> --
>> Envoyé de mon appareil Android avec Courriel K-9 Mail. Veuillez
>excuser ma brièveté.
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