codec: avcodec: fix ch_layout requirement

refs #28667

modules/codec/avcodec/audio.c

@@ -138,7 +138,7 @@ static int OpenAudioCodec( decoder_t *p_dec )
     }
 
     ctx->sample_rate = p_dec->fmt_in->audio.i_rate;
-#if LIBAVUTIL_VERSION_CHECK(56, 31, 100)
+#if LIBAVUTIL_VERSION_CHECK(57, 24, 100)
     av_channel_layout_default( &ctx->ch_layout, p_dec->fmt_in->audio.i_channels );
 #else
     ctx->channels = p_dec->fmt_in->audio.i_channels;

modules/demux/avformat/demux.c

@@ -470,7 +470,7 @@ int avformat_OpenDemux( vlc_object_t *p_this )
             es_format_Init( &es_fmt, AUDIO_ES, fcc );
             es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag );
             es_fmt.i_bitrate = cp->bit_rate;
-#if LIBAVUTIL_VERSION_CHECK(56, 31, 100)
+#if LIBAVCODEC_VERSION_CHECK(59, 24, 100)
             es_fmt.audio.i_channels = cp->ch_layout.nb_channels;
 #else
             es_fmt.audio.i_channels = cp->channels;

modules/demux/avformat/mux.c

@@ -271,7 +271,7 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
     {
     case AUDIO_ES:
         codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
-#if LIBAVUTIL_VERSION_CHECK(56, 31, 100)
+#if LIBAVCODEC_VERSION_CHECK(59, 24, 100)
         av_channel_layout_default( &codecpar->ch_layout, fmt->audio.i_channels );
 #else
         codecpar->channels = fmt->audio.i_channels;