[spice v2] display-channel: Make video-codecs property read-write

[Victor Toso <victortoso@xxxxxxxxxx>]

From: Victor Toso <me@xxxxxxxxxxxxxx>

This patch creates display_channel_get_video_codecs() helper to let
stream.c get the video-codecs without accessing the internal structure
of DisplayChannel.

As video-codecs is a property of DisplayChannel, this change means
making this property readable as well.

Signed-off-by: Victor Toso <victortoso@xxxxxxxxxx>
---
 server/display-channel.c | 12 +++++++++++-
 server/display-channel.h |  1 +
 server/stream.c          |  6 ++++--
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/server/display-channel.c b/server/display-channel.c
index 061a99d..1a29859 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -44,6 +44,9 @@ display_channel_get_property(GObject *object,
         case PROP_N_SURFACES:
             g_value_set_uint(value, self->priv->n_surfaces);
             break;
+        case PROP_VIDEO_CODECS:
+            g_value_set_static_boxed(value, self->priv->video_codecs);
+            break;
         default:
             G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
     }
@@ -213,6 +216,13 @@ void display_channel_set_video_codecs(DisplayChannel *display, GArray *video_cod
     display->priv->video_codecs = g_array_ref(video_codecs);
 }
 
+GArray *display_channel_get_video_codecs(DisplayChannel *display)
+{
+    spice_return_val_if_fail(display, NULL);
+
+    return display->priv->video_codecs;
+}
+
 int display_channel_get_stream_video(DisplayChannel *display)
 {
     return display->priv->stream_video;
@@ -2247,7 +2257,7 @@ display_channel_class_init(DisplayChannelClass *klass)
                                                        "Video Codecs",
                                                        G_TYPE_ARRAY,
                                                        G_PARAM_CONSTRUCT_ONLY |
-                                                       G_PARAM_WRITABLE |
+                                                       G_PARAM_READWRITE |
                                                        G_PARAM_STATIC_STRINGS));
 }
 
diff --git a/server/display-channel.h b/server/display-channel.h
index d782969..715ad1a 100644
--- a/server/display-channel.h
+++ b/server/display-channel.h
@@ -229,6 +229,7 @@ void                       display_channel_set_stream_video          (DisplayCha
                                                                       int stream_video);
 void                       display_channel_set_video_codecs          (DisplayChannel *display,
                                                                       GArray *video_codecs);
+GArray*                    display_channel_get_video_codecs          (DisplayChannel *display);
 int                        display_channel_get_stream_video          (DisplayChannel *display);
 int                        display_channel_get_streams_timeout       (DisplayChannel *display);
 void                       display_channel_compress_stats_print      (DisplayChannel *display);
diff --git a/server/stream.c b/server/stream.c
index 3f3c286..e2cd66e 100644
--- a/server/stream.c
+++ b/server/stream.c
@@ -691,9 +691,11 @@ static VideoEncoder* dcc_create_video_encoder(DisplayChannelClient *dcc,
     RedChannelClient *rcc = RED_CHANNEL_CLIENT(dcc);
     int client_has_multi_codec = red_channel_client_test_remote_cap(rcc, SPICE_DISPLAY_CAP_MULTI_CODEC);
     int i;
+    GArray *video_codecs;
 
-    for (i = 0; i < display->priv->video_codecs->len; i++) {
-        RedVideoCodec* video_codec = &g_array_index (display->priv->video_codecs, RedVideoCodec, i);
+    video_codecs = display_channel_get_video_codecs(display);
+    for (i = 0; i < video_codecs->len; i++) {
+        RedVideoCodec* video_codec = &g_array_index (video_codecs, RedVideoCodec, i);
 
         if (!client_has_multi_codec &&
             video_codec->type != SPICE_VIDEO_CODEC_TYPE_MJPEG) {
-- 
2.9.3

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