Merge commit '10a9149d'

* commit '10a9149d':
  ffv1enc: Keep coded_frame.key_frame a write-only variable

Conflicts:
	libavcodec/ffv1.h
	libavcodec/ffv1enc.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/ffv1.h

@@ -87,6 +87,7 @@ typedef struct FFV1Context {
     int transparency;
     int flags;
     int picture_number;
+    int key_frame;
     ThreadFrame picture, last_picture;
     struct FFV1Context *fsrc;
 

libavcodec/ffv1enc.c

@@ -1138,7 +1138,7 @@ static int encode_slice(AVCodecContext *c, void *arg)
     }
 
 retry:
-    if (c->coded_frame->key_frame)
+    if (f->key_frame)
         ffv1_clear_slice_state(f, fs);
     if (f->version > 2) {
         encode_slice_header(f, fs);
@@ -1260,12 +1260,12 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 
     if (avctx->gop_size == 0 || f->picture_number % avctx->gop_size == 0) {
         put_rac(c, &keystate, 1);
-        avctx->coded_frame->key_frame = 1;
+        f->key_frame = 1;
         f->gob_count++;
         write_header(f);
     } else {
         put_rac(c, &keystate, 0);
-        avctx->coded_frame->key_frame = 0;
+        f->key_frame = 0;
     }
 
     if (f->ac > 1) {
@@ -1318,11 +1318,13 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     if (avctx->flags & CODEC_FLAG_PASS1)
         avctx->stats_out[0] = '\0';
 
+    avctx->coded_frame->key_frame = f->key_frame;
+
     f->picture_number++;
     pkt->size   = buf_p - pkt->data;
     pkt->pts    =
     pkt->dts    = pict->pts;
-    pkt->flags |= AV_PKT_FLAG_KEY * avctx->coded_frame->key_frame;
+    pkt->flags |= AV_PKT_FLAG_KEY * f->key_frame;
     *got_packet = 1;
 
     return 0;