From 82ba83e52643ff76962b24abb6ca22ba343c1fbb Mon Sep 17 00:00:00 2001
From: irungentoo <irungentoo@gmail.com>
Date: Tue, 16 Dec 2014 13:10:28 -0500
Subject: [PATCH] cs_set_video_encoder_resolution improvements.

---
 auto_tests/dht_test.c |  2 +-
 toxav/codec.c         | 21 ++++++++++++++++-----
 toxav/codec.h         |  1 +
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/auto_tests/dht_test.c b/auto_tests/dht_test.c
index f5c6c5bd..acbc3acb 100644
--- a/auto_tests/dht_test.c
+++ b/auto_tests/dht_test.c
@@ -334,7 +334,7 @@ void test_addto_lists(IP ip)
     for (i = 0; i < dht->num_friends; ++i)
         test_addto_lists_possible_bad(dht, dht->friends_list[i].client_list, MAX_FRIEND_CLIENTS, &ip_port,
                                       dht->friends_list[i].client_id);
-*/
+    */
     // check "good" entries
     test_addto_lists_good(dht, dht->close_clientlist, LCLIENT_LIST, &ip_port, dht->self_public_key);
 
diff --git a/toxav/codec.c b/toxav/codec.c
index 2c15cb4d..dae35d54 100644
--- a/toxav/codec.c
+++ b/toxav/codec.c
@@ -270,9 +270,6 @@ static int init_video_encoder(CSSession *cs, uint16_t max_width, uint16_t max_he
     cfg.kf_max_dist = 48;
     cfg.kf_mode = VPX_KF_AUTO;
 
-    cs->max_width = max_width;
-    cs->max_height = max_height;
-
     rc = vpx_codec_enc_init_ver(&cs->v_encoder, VIDEO_CODEC_ENCODER_INTERFACE, &cfg, 0, VPX_ENCODER_ABI_VERSION);
 
     if ( rc != VPX_CODEC_OK) {
@@ -287,6 +284,10 @@ static int init_video_encoder(CSSession *cs, uint16_t max_width, uint16_t max_he
         return -1;
     }
 
+    cs->max_width = max_width;
+    cs->max_height = max_height;
+    cs->video_bitrate = video_bitrate;
+
     return 0;
 }
 
@@ -436,8 +437,17 @@ int cs_set_video_encoder_resolution(CSSession *cs, uint16_t width, uint16_t heig
     if (cfg.g_w == width && cfg.g_h == height)
         return 0;
 
-    if (width * height > cs->max_width * cs->max_height)
-        return cs_ErrorSettingVideoResolution;
+    if (width * height > cs->max_width * cs->max_height) {
+        vpx_codec_ctx_t v_encoder = cs->v_encoder;
+
+        if (init_video_encoder(cs, width, height, cs->video_bitrate) == -1) {
+            cs->v_encoder = v_encoder;
+            return cs_ErrorSettingVideoResolution;
+        }
+
+        vpx_codec_destroy(&v_encoder);
+        return 0;
+    }
 
     LOGGER_DEBUG("New video resolution: %u %u", width, height);
     cfg.g_w = width;
@@ -468,6 +478,7 @@ int cs_set_video_encoder_bitrate(CSSession *cs, uint32_t video_bitrate)
         return cs_ErrorSettingVideoBitrate;
     }
 
+    cs->video_bitrate = video_bitrate;
     return 0;
 }
 
diff --git a/toxav/codec.h b/toxav/codec.h
index 1ee0a4ff..6018e5df 100644
--- a/toxav/codec.h
+++ b/toxav/codec.h
@@ -85,6 +85,7 @@ typedef struct _CSSession {
     vpx_codec_ctx_t  v_decoder;
     int max_width;
     int max_height;
+    unsigned int video_bitrate;
 
 
     /* Data handling */