text: $NetBSD: patch-src_spek-audio.cc,v 1.1 2020/04/23 16:12:57 nia Exp $
  
  Fix build with ffmpeg>3.
  
  From FreeBSD Ports.
  
  --- src/spek-audio.cc.orig	2013-02-23 02:58:12.000000000 +0000
  +++ src/spek-audio.cc
  @@ -199,7 +199,7 @@ AudioFileImpl::AudioFileImpl(
       this->packet.data = nullptr;
       this->packet.size = 0;
       this->offset = 0;
  -    this->frame = avcodec_alloc_frame();
  +    this->frame = av_frame_alloc();
       this->buffer_size = 0;
       this->buffer = nullptr;
       this->frames_per_interval = 0;
  @@ -215,7 +215,7 @@ AudioFileImpl::~AudioFileImpl()
       if (this->frame) {
           // TODO: Remove this check after Debian switches to libav 9.
   #if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54, 28, 0)
  -        avcodec_free_frame(&this->frame);
  +        av_frame_free(&this->frame);
   #else
           av_freep(&this->frame);
   #endif
  @@ -224,7 +224,7 @@ AudioFileImpl::~AudioFileImpl()
           this->packet.data -= this->offset;
           this->packet.size += this->offset;
           this->offset = 0;
  -        av_free_packet(&this->packet);
  +        av_packet_unref(&this->packet);
       }
       if (this->format_context) {
           if (this->audio_stream >= 0) {
  @@ -255,7 +255,7 @@ int AudioFileImpl::read()
   
       for (;;) {
           while (this->packet.size > 0) {
  -            avcodec_get_frame_defaults(this->frame);
  +            av_frame_unref(this->frame);
               auto codec_context = this->format_context->streams[this->audio_stream]->codec;
               int got_frame = 0;
               int len = avcodec_decode_audio4(codec_context, this->frame, &got_frame, &this->packet);
  @@ -299,7 +299,7 @@ int AudioFileImpl::read()
               this->packet.data -= this->offset;
               this->packet.size += this->offset;
               this->offset = 0;
  -            av_free_packet(&this->packet);
  +            av_packet_unref(&this->packet);
           }
   
           int res = 0;
  @@ -307,7 +307,7 @@ int AudioFileImpl::read()
               if (this->packet.stream_index == this->audio_stream) {
                   break;
               }
  -            av_free_packet(&this->packet);
  +            av_packet_unref(&this->packet);
           }
           if (res < 0) {
               // End of file or error.
  