+ avctx->execute = thread_execute;
+ avctx->execute2 = thread_execute2;
+ return 0;
+}
+
+void ff_thread_report_progress2(AVCodecContext *avctx, int field, int thread, int n)
+{
+ SliceThreadContext *p = avctx->internal->thread_ctx;
+ int *entries = p->entries;
+
+ pthread_mutex_lock(&p->progress_mutex[thread]);
+ entries[field] +=n;
+ pthread_cond_signal(&p->progress_cond[thread]);
+ pthread_mutex_unlock(&p->progress_mutex[thread]);
+}
+
+void ff_thread_await_progress2(AVCodecContext *avctx, int field, int thread, int shift)
+{
+ SliceThreadContext *p = avctx->internal->thread_ctx;
+ int *entries = p->entries;
+
+ if (!entries || !field) return;
+
+ thread = thread ? thread - 1 : p->thread_count - 1;
+
+ pthread_mutex_lock(&p->progress_mutex[thread]);
+ while ((entries[field - 1] - entries[field]) < shift){
+ pthread_cond_wait(&p->progress_cond[thread], &p->progress_mutex[thread]);