Hi,
On Thu, Jul 13, 2017 at 06:44:09PM +0200, Christophe de Dinechin wrote:
> From: Christophe de Dinechin <dinec...@redhat.com>
>
> The problem occurs when we call spice_playback_channel_set_delay before
> the channel had received any data setting c->last_time, but after
> session initialization had set mm_time in the session. The result was
> that the (good) value in session->mm_time would be overwritten with 0.
>
> Signed-off-by: Christophe de Dinechin <dinec...@redhat.com>
> ---
> src/channel-playback.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/src/channel-playback.c b/src/channel-playback.c
> index ca14b96..f5acf23 100644
> --- a/src/channel-playback.c
> +++ b/src/channel-playback.c
> @@ -471,7 +471,8 @@ void
> spice_playback_channel_set_delay(SpicePlaybackChannel *channel, guint32 del
>
> session = spice_channel_get_session(SPICE_CHANNEL(channel));
> if (session) {
> - spice_session_set_mm_time(session, c->last_time - delay_ms);
> + if (c->last_time != 0)
> + spice_session_set_mm_time(session, c->last_time - delay_ms);
I actually think we should not be setting mm_time in the client as this
could affect the audio/video sync that should be dictated by server.
This function was introduced in 2010, not much info on the rationale.
commit fbe3b5ec32e3d93f0a0f41239b85be723d8d91c5
Author: Marc-André Lureau <marcandre.lur...@redhat.com>
Date: Wed Dec 22 15:32:45 2010 +0100
gtk: update mm time based on playback time+delay
Running spice client without audio over h264 stream, makes the lag go
down a bit.
> } else {
> CHANNEL_DEBUG(channel, "channel detached from session, mm time
> skipped");
> }
> --
> 2.11.0 (Apple Git-81)
>
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