Merge commit '728ea23c'

* commit '728ea23c':
  examples/decode_video: switch to the new decoding API
Merged-by: James Almer <jamrial@gmail.com>

doc/examples/decode_video.c

@@ -52,15 +52,23 @@ static void decode(AVCodecContext *dec_ctx, AVFrame *frame, AVPacket *pkt,
                    const char *filename)
 {
     char buf[1024];
-    int ret, got_picture;
+    int ret;
 
-    while (pkt->size > 0) {
-        ret = avcodec_decode_video2(dec_ctx, frame, &got_picture, pkt);
+    ret = avcodec_send_packet(dec_ctx, pkt);
     if (ret < 0) {
-            fprintf(stderr, "Error while decoding frame %d\n", dec_ctx->frame_number);
+        fprintf(stderr, "Error sending a packet for decoding\n");
+        exit(1);
+    }
+
+    while (ret >= 0) {
+        ret = avcodec_receive_frame(dec_ctx, frame);
+        if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
+            return;
+        else if (ret < 0) {
+            fprintf(stderr, "Error during decoding\n");
             exit(1);
         }
-        if (got_picture) {
+
         printf("saving frame %3d\n", dec_ctx->frame_number);
         fflush(stdout);
 
@@ -70,11 +78,6 @@ static void decode(AVCodecContext *dec_ctx, AVFrame *frame, AVPacket *pkt,
         pgm_save(frame->data[0], frame->linesize[0],
                  frame->width, frame->height, buf);
     }
-        if (pkt->data) {
-            pkt->size -= ret;
-            pkt->data += ret;
-        }
-    }
 }
 
 int main(int argc, char **argv)
@@ -170,9 +173,7 @@ int main(int argc, char **argv)
      }
 
     /* flush the decoder */
-    avpkt.data = NULL;
-    avpkt.size = 0;
-    decode(c, frame, &avpkt, outfilename);
+    decode(c, frame, NULL, outfilename);
 
     fclose(f);