Reallocate encoded buffer size if needed for VP8. Initially set to the input image size.

webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 953 matching lines @@
     // token_partitions_ is number of bits used.
     frag_info.VerifyAndAllocateFragmentationHeader((1 << token_partitions_) +
                                                    1);
     CodecSpecificInfo codec_specific;
     const vpx_codec_cx_pkt_t* pkt = NULL;
     while ((pkt = vpx_codec_get_cx_data(&encoders_[encoder_idx], &iter)) !=
            NULL) {
       switch (pkt->kind) {
         case VPX_CODEC_CX_FRAME_PKT: {
           uint32_t length = encoded_images_[encoder_idx]._length;
+          if (pkt->data.frame.sz + length >
+              encoded_images_[encoder_idx]._size) {
+            uint8_t* buffer = new uint8_t[pkt->data.frame.sz + length];
+            memcpy(buffer, encoded_images_[encoder_idx]._buffer, length);
+            delete[] encoded_images_[encoder_idx]._buffer;
+            encoded_images_[encoder_idx]._buffer = buffer;
+            encoded_images_[encoder_idx]._size = pkt->data.frame.sz + length;
+          }
           memcpy(&encoded_images_[encoder_idx]._buffer[length],
                  pkt->data.frame.buf, pkt->data.frame.sz);
           frag_info.fragmentationOffset[part_idx] = length;
           frag_info.fragmentationLength[part_idx] = pkt->data.frame.sz;
           frag_info.fragmentationPlType[part_idx] = 0;  // not known here
           frag_info.fragmentationTimeDiff[part_idx] = 0;
           encoded_images_[encoder_idx]._length += pkt->data.frame.sz;
           assert(length <= encoded_images_[encoder_idx]._size);
           ++part_idx;
           break;
@@ skipping 409 matching lines @@
     return -1;
   }
   if (vpx_codec_control(copy->decoder_, VP8_SET_REFERENCE, ref_frame_) !=
       VPX_CODEC_OK) {
     return -1;
   }
   return 0;
 }
 
 }  // namespace webrtc