lavc: initialize AVFrame.extended_data in avcodec_get_frame_defaults()

13 years ago · 2bc0de3858
parent c084a975aa
commit 2bc0de3858
1 changed files with 4 additions and 0 deletions
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@ -635,12 +635,16 @@ enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum

 void avcodec_get_frame_defaults(AVFrame *frame)
 {
+    if (frame->extended_data != frame->data)
+        av_freep(&frame->extended_data);
+
    memset(frame, 0, sizeof(AVFrame));

    frame->pts                 = AV_NOPTS_VALUE;
    frame->key_frame           = 1;
    frame->sample_aspect_ratio = (AVRational) {0, 1 };
    frame->format              = -1; /* unknown */
+    frame->extended_data       = frame->data;
 }

 AVFrame *avcodec_alloc_frame(void)