Re: [RFC PATCH spice-server v4 18/22] stream-channel: Activate streaming report from client

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> 
> > On 25 Aug 2017, at 11:54, Frediano Ziglio <fziglio@xxxxxxxxxx> wrote:
> > 
> > Setting the capability is not enough, each stream must be enabled
> > so do so if client support them.
> > 
> > Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> > ---
> > server/stream-channel.c | 19 +++++++++++++++++++
> > 1 file changed, 19 insertions(+)
> > 
> > diff --git a/server/stream-channel.c b/server/stream-channel.c
> > index 34c8a351..a0915e59 100644
> > --- a/server/stream-channel.c
> > +++ b/server/stream-channel.c
> > @@ -27,6 +27,7 @@
> > #include "reds.h"
> > #include "common-graphics-channel.h"
> > #include "display-limits.h"
> > +#include "stream.h" // TODO remove, put common stuff
> > 
> > #define TYPE_STREAM_CHANNEL_CLIENT stream_channel_client_get_type()
> > 
> > @@ -93,6 +94,7 @@ enum {
> >     RED_PIPE_ITEM_TYPE_STREAM_CREATE,
> >     RED_PIPE_ITEM_TYPE_STREAM_DATA,
> >     RED_PIPE_ITEM_TYPE_STREAM_DESTROY,
> > +    RED_PIPE_ITEM_TYPE_STREAM_ACTIVATE_REPORT,
> > };
> > 
> > typedef struct StreamCreateItem {
> > @@ -223,6 +225,20 @@ stream_channel_send_item(RedChannelClient *rcc,
> > RedPipeItem *pipe_item)
> >         spice_marshall_msg_display_stream_create(m, &item->stream_create);
> >         break;
> >     }
> > +    case RED_PIPE_ITEM_TYPE_STREAM_ACTIVATE_REPORT: {
> > +        if (client->stream_id < 0
> 
> For my education, what does stream_id<0 correspond to?
> 

Updated comment for StreamChannelClient::stream_id too:

    /* current video stream id, <0 if not initialized or
     * we are not sending a stream */

> > +            || !red_channel_client_test_remote_cap(rcc,
> > SPICE_DISPLAY_CAP_STREAM_REPORT)) {
> > +            return;
> > +        }
> > +        SpiceMsgDisplayStreamActivateReport msg;
> > +        msg.stream_id = client->stream_id;
> > +        msg.unique_id = 1; // TODO useful ?
> > +        msg.max_window_size = RED_STREAM_CLIENT_REPORT_WINDOW;
> > +        msg.timeout_ms = RED_STREAM_CLIENT_REPORT_TIMEOUT;
> > +        red_channel_client_init_send_data(rcc,
> > SPICE_MSG_DISPLAY_STREAM_ACTIVATE_REPORT);
> > +        spice_marshall_msg_display_stream_activate_report(m, &msg);
> > +        break;
> > +    }
> >     case RED_PIPE_ITEM_TYPE_STREAM_DATA: {
> >         StreamDataItem *item = SPICE_UPCAST(StreamDataItem, pipe_item);
> >         red_channel_client_init_send_data(rcc,
> >         SPICE_MSG_DISPLAY_STREAM_DATA);
> > @@ -458,6 +474,9 @@ stream_channel_change_format(StreamChannel *channel,
> > const StreamMsgFormat *fmt)
> >     item->stream_create.clip = (SpiceClip) { SPICE_CLIP_TYPE_NONE, NULL };
> >     red_channel_pipes_new_add(red_channel, pipe_item_new_ref, item);
> >     red_pipe_item_unref(&item->base);
> > +
> > +    // activate stream report if possible
> > +    red_channel_pipes_add_type(red_channel,
> > RED_PIPE_ITEM_TYPE_STREAM_ACTIVATE_REPORT);
> > }
> > 
> > static inline void

Frediano
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