video-decode: Fix the got_picture = 0 case

We actually tried to read the same packet again, but that doesnt work,
so lets just drop it..

1 files changed, 16 insertions, 21 deletions

diff --git a/src/video_decode.c b/src/video_decode.c
index 7ce6f42..b923f93 100644
--- a/src/video_decode.c
+++ b/src/video_decode.c
@@ -117,7 +117,7 @@ video_decode_get_frame(struct video_decode *_vd, struct video_frame **frame)
 	struct video_decode_priv *vd = (struct video_decode_priv *) _vd;
 	struct video_frame_priv *f;
 	AVPacket packet;
-	int decoded, got_picture;
+	int decoded, got_picture = 0;
 	int ret;
 
 	if (*frame != NULL) {
@@ -131,8 +131,6 @@ video_decode_get_frame(struct video_decode *_vd, struct video_frame **frame)
 
 	packet.data = NULL;
 	do {
-		if (packet.data != NULL)
-			av_free_packet(&packet);
 		ret = av_read_frame(vd->fmt_ctx, &packet);
 		if (ret < 0) {
 			if (ret == AVERROR_EOF) {
@@ -148,28 +146,25 @@ video_decode_get_frame(struct video_decode *_vd, struct video_frame **frame)
 #endif
 			return -1;
 		}
-	} while (packet.stream_index != vd->stream);
-
-	do {
+		if (packet.stream_index == vd->stream) {
 #if DEBUG
-		printf("packet.data: %p, packet.siz: %d, packet.strm_idx: %d\n",
-		       packet.data, packet.size, packet.stream_index);
+			printf("packet.data: %p, packet.siz: %d, packet.strm_idx: %d\n",
+			       packet.data, packet.size, packet.stream_index);
 #endif
-		decoded = avcodec_decode_video2(vd->codec_ctx, f->frame,
-						&got_picture, &packet);
-		if (decoded < 0) {
-			fprintf(stderr, "Error while decoding frame!\n");
-			return -2;
-		}
+			decoded = avcodec_decode_video2(vd->codec_ctx, f->frame,
+							&got_picture, &packet);
+			if (decoded < 0) {
+				fprintf(stderr, "Error while decoding frame!\n");
+				return -2;
+			}
+
 #if DEBUG
-		printf("bytes_decoded: %d, got_picture: %d\n",
-		       decoded, got_picture);
+			printf("bytes_decoded: %d, got_picture: %d\n",
+			       decoded, got_picture);
 #endif
-		
-	} while (got_picture == 0 && packet.size > 0);
-	av_free_packet(&packet);
-	if (got_picture == 0)
-		return -3;
+		}
+		av_free_packet(&packet);
+	} while (got_picture == 0);
 
 	f->base.data = f->frame->data[0];
 	f->base.width = vd->codec_ctx->width;