[Spice-devel] [spice-server v2 7/9] reds: set video codec in a different function

[Victor Toso]

From: Victor Toso <me at victortoso.com>

Small refactor. This will be useful in the next patch.

Signed-off-by: Victor Toso <victortoso at redhat.com>
---
 server/reds.c | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

diff --git a/server/reds.c b/server/reds.c
index bfa479e..cd57592 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -3629,17 +3629,26 @@ static const char* parse_video_codecs(const char *codecs, char **encoder,
     return codecs + n;
 }
 
-static void reds_set_video_codecs(RedsState *reds, const char *codecs)
+static void reds_set_video_codecs(RedsState *reds, GArray *video_codecs)
+{
+    /* The video_codecs array is immutable */
+    g_clear_pointer(&reds->config->video_codecs, g_array_unref);
+
+    spice_return_if_fail(video_codecs != NULL);
+
+    reds->config->video_codecs = video_codecs;
+}
+
+static void reds_set_video_codecs_from_string(RedsState *reds, const char *codecs)
 {
     char *encoder_name, *codec_name;
+    GArray *video_codecs;
 
     if (strcmp(codecs, "auto") == 0) {
         codecs = default_video_codecs;
     }
 
-    /* The video_codecs array is immutable */
-    g_array_unref(reds->config->video_codecs);
-    reds->config->video_codecs = g_array_new(FALSE, FALSE, sizeof(RedVideoCodec));
+    video_codecs = g_array_new(FALSE, FALSE, sizeof(RedVideoCodec));
     const char *c = codecs;
     while ( (c = parse_video_codecs(c, &encoder_name, &codec_name)) ) {
         uint32_t encoder_index, codec_index;
@@ -3660,13 +3669,21 @@ static void reds_set_video_codecs(RedsState *reds, const char *codecs)
             new_codec.create = video_encoder_procs[encoder_index];
             new_codec.type = video_codec_names[codec_index].id;
             new_codec.cap = video_codec_caps[codec_index];
-            g_array_append_val(reds->config->video_codecs, new_codec);
+            g_array_append_val(video_codecs, new_codec);
         }
 
         free(encoder_name);
         free(codec_name);
         codecs = c;
     }
+
+    if (video_codecs->len == 0) {
+        spice_debug("Failed to set video codecs");
+        g_array_unref(video_codecs);
+        return;
+    }
+
+    reds_set_video_codecs(reds, video_codecs);
 }
 
 SPICE_GNUC_VISIBLE int spice_server_init(SpiceServer *reds, SpiceCoreInterface *core)
@@ -3678,7 +3695,7 @@ SPICE_GNUC_VISIBLE int spice_server_init(SpiceServer *reds, SpiceCoreInterface *
         reds_add_renderer(reds, default_renderer);
     }
     if (reds->config->video_codecs->len == 0) {
-        reds_set_video_codecs(reds, default_video_codecs);
+        reds_set_video_codecs_from_string(reds, default_video_codecs);
     }
     return ret;
 }
@@ -3992,7 +4009,7 @@ uint32_t reds_get_streaming_video(const RedsState *reds)
 
 SPICE_GNUC_VISIBLE int spice_server_set_video_codecs(SpiceServer *reds, const char *video_codecs)
 {
-    reds_set_video_codecs(reds, video_codecs);
+    reds_set_video_codecs_from_string(reds, video_codecs);
     reds_on_vc_change(reds);
     return 0;
 }
-- 
2.9.3