commit 3736df9a6572e444e3492337ab5edb8e8cbe5800
author Joe Drago <jdrago@netflix.com> Tue Jun 16 15:39:55 2020 -0700
committer Joe Drago <jdrago@netflix.com> Tue Jun 16 15:39:55 2020 -0700
tree d1ce67069008e3187cc58fcfa77d49a001f0baf4
parent aa44f5dea8346a8f3230c26b662f75368289f8be

Rework codec layer to allow avifEncoderAddImage() to choose keyframes. Rework rav1e frame pump to not bail out early

src/write.c

diff --git a/src/write.c b/src/write.c
index 0c01aae..b666d65 100644
--- a/src/write.c
+++ b/src/write.c
@@ -446,10 +446,15 @@
     // -----------------------------------------------------------------------
     // Encode AV1 OBUs
 
+    avifBool forceKeyframe = AVIF_FALSE;
+    if ((encoder->data->frames.count % 8) == 0) { // TODO: make this configurable
+        forceKeyframe = AVIF_TRUE;
+    }
+
     for (uint32_t itemIndex = 0; itemIndex < encoder->data->items.count; ++itemIndex) {
         avifEncoderItem * item = &encoder->data->items.item[itemIndex];
         if (item->codec) {
-            if (!item->codec->encodeImage(item->codec, image, encoder, item->alpha, item->encodeOutput)) {
+            if (!item->codec->encodeImage(item->codec, image, encoder, item->alpha, forceKeyframe, item->encodeOutput)) {
                 return item->alpha ? AVIF_RESULT_ENCODE_ALPHA_FAILED : AVIF_RESULT_ENCODE_COLOR_FAILED;
             }
         }