ffmpeg update to june 23 version which fixes mp4 crash on still frames with 3...

source/patched-ffmpeg-mt/libavcodec/h264.c

 /*
  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
@@ skipping 3674 matching lines @@
 }
 #endif /* TEST */
 
 
 av_cold void ff_h264_free_context(H264Context *h)
 {
     int i;
 
     free_tables(h); //FIXME cleanup init stuff perhaps
 
+    if (!h->s.context_initialized)
+        return;
+
     for(i = 0; i < MAX_SPS_COUNT; i++)
         av_freep(h->sps_buffers + i);
 
     for(i = 0; i < MAX_PPS_COUNT; i++)
         av_freep(h->pps_buffers + i);
 }
 
 av_cold int ff_h264_decode_end(AVCodecContext *avctx)
 {
     H264Context *h = avctx->priv_data;
@@ skipping 33 matching lines @@
     ff_h264_decode_init,
     NULL,
     ff_h264_decode_end,
     decode_frame,
     CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
     .flush= flush_dpb,
     .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)"),
     .pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_H264, PIX_FMT_NONE},
 };
 #endif