X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fh264_slice.c;h=ac3c50ce515ec716db7f3f5b7df0d0a4e9bd9ae6;hb=68f48406069e9aff0c01c96671f7c58de166e1f8;hp=c10568a4ed16b21bbdcf47358787ad3a113cd75c;hpb=53bf6b155cee8cdf0fd12fe49e4ccfb9cf6714a2;p=ffmpeg

diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index c10568a4ed1..ac3c50ce515 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -583,6 +583,7 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
             return ret;
     }
 
+    h->enable_er       = h1->enable_er;
     h->workaround_bugs = h1->workaround_bugs;
     h->low_delay       = h1->low_delay;
     h->droppable       = h1->droppable;
@@ -711,7 +712,7 @@ static int h264_frame_start(H264Context *h)
         h->slice_ctx[i].uvlinesize = h->cur_pic_ptr->f.linesize[1];
     }
 
-    if (CONFIG_ERROR_RESILIENCE) {
+    if (CONFIG_ERROR_RESILIENCE && h->enable_er) {
         ff_er_frame_start(&h->slice_ctx[0].er);
         ff_h264_set_erpic(&h->slice_ctx[0].er.last_pic, NULL);
         ff_h264_set_erpic(&h->slice_ctx[0].er.next_pic, NULL);
@@ -1205,11 +1206,21 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
     first_mb_in_slice = get_ue_golomb_long(&sl->gb);
 
     if (first_mb_in_slice == 0) { // FIXME better field boundary detection
-        if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
-            ff_h264_field_end(h, sl, 1);
+        if (h->current_slice) {
+            if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
+                ff_h264_field_end(h, sl, 1);
+                h->current_slice = 0;
+            } else if (h->cur_pic_ptr && !FIELD_PICTURE(h) && !h->first_field && h->nal_unit_type  == NAL_IDR_SLICE) {
+                av_log(h, AV_LOG_WARNING, "Broken frame packetizing\n");
+                ff_h264_field_end(h, sl, 1);
+                h->current_slice = 0;
+                ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
+                ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
+                h->cur_pic_ptr = NULL;
+            } else
+                return AVERROR_INVALIDDATA;
         }
 
-        h->current_slice = 0;
         if (!h->first_field) {
             if (h->cur_pic_ptr && !h->droppable) {
                 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
@@ -2283,6 +2294,9 @@ static void er_add_slice(H264SliceContext *sl,
                          int startx, int starty,
                          int endx, int endy, int status)
 {
+    if (!sl->h264->enable_er)
+        return;
+
     if (CONFIG_ERROR_RESILIENCE) {
         ERContext *er = &sl->er;