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

source/patched-ffmpeg-mt/libavcodec/svq3.c

 /*
  * Copyright (c) 2003 The FFmpeg Project
  *
  * 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 868 matching lines @@
             h->unknown_svq3_flag = get_bits1(&gb);
             avctx->has_b_frames = !s->low_delay;
             if (h->unknown_svq3_flag) {
 #if CONFIG_ZLIB
                 unsigned watermark_width  = svq3_get_ue_golomb(&gb);
                 unsigned watermark_height = svq3_get_ue_golomb(&gb);
                 int u1 = svq3_get_ue_golomb(&gb);
                 int u2 = get_bits(&gb, 8);
                 int u3 = get_bits(&gb, 2);
                 int u4 = svq3_get_ue_golomb(&gb);
-                unsigned buf_len = watermark_width*watermark_height*4;
+                unsigned long buf_len = watermark_width*watermark_height*4;
                 int offset = (get_bits_count(&gb)+7)>>3;
                 uint8_t *buf;
 
                 if ((uint64_t)watermark_width*4 > UINT_MAX/watermark_height)
                     return -1;
 
                 buf = av_malloc(buf_len);
                 av_log(avctx, AV_LOG_DEBUG, "watermark size: %dx%d\n", watermark_width, watermark_height);
                 av_log(avctx, AV_LOG_DEBUG, "u1: %x u2: %x u3: %x compressed data size: %d offset: %d\n", u1, u2, u3, u4, offset);
-                if (uncompress(buf, (uLong*)&buf_len, extradata + 8 + offset, size - offset) != Z_OK) {
+                if (uncompress(buf, &buf_len, extradata + 8 + offset, size - offset) != Z_OK) {
                     av_log(avctx, AV_LOG_ERROR, "could not uncompress watermark logo\n");
                     av_free(buf);
                     return -1;
                 }
                 h->svq3_watermark_key = ff_svq1_packet_checksum(buf, buf_len, 0);
                 h->svq3_watermark_key = h->svq3_watermark_key << 16 | h->svq3_watermark_key;
                 av_log(avctx, AV_LOG_DEBUG, "watermark key %#x\n", h->svq3_watermark_key);
                 av_free(buf);
 #else
                 av_log(avctx, AV_LOG_ERROR, "this svq3 file contains watermark which need zlib support compiled in\n");
@@ skipping 165 matching lines @@
     CODEC_ID_SVQ3,
     sizeof(H264Context),
     svq3_decode_init,
     NULL,
     ff_h264_decode_end,
     svq3_decode_frame,
     CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_DELAY,
     .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"),
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_NONE},
 };