xvag: convert to new channel layout API

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

libavformat/xvag.c

@@ -52,7 +52,7 @@ static int xvag_read_header(AVFormatContext *s)
         offset                 = av_bswap32(offset);
         avio_skip(s->pb, 28);
         codec                  = avio_rb32(s->pb);
-        st->codecpar->channels = avio_rb32(s->pb);
+        st->codecpar->ch_layout.nb_channels = avio_rb32(s->pb);
         avio_skip(s->pb, 4);
         st->duration           = avio_rb32(s->pb);
         avio_skip(s->pb, 8);
@@ -60,7 +60,7 @@ static int xvag_read_header(AVFormatContext *s)
     } else {
         avio_skip(s->pb, 28);
         codec                  = avio_rl32(s->pb);
-        st->codecpar->channels = avio_rl32(s->pb);
+        st->codecpar->ch_layout.nb_channels = avio_rl32(s->pb);
         avio_skip(s->pb, 4);
         st->duration           = avio_rl32(s->pb);
         avio_skip(s->pb, 8);
@@ -69,13 +69,14 @@ static int xvag_read_header(AVFormatContext *s)
 
     if (st->codecpar->sample_rate <= 0)
         return AVERROR_INVALIDDATA;
-    if (st->codecpar->channels <= 0 || st->codecpar->channels > FF_SANE_NB_CHANNELS)
+    if (st->codecpar->ch_layout.nb_channels <= 0 ||
+        st->codecpar->ch_layout.nb_channels > FF_SANE_NB_CHANNELS)
         return AVERROR_INVALIDDATA;
 
     switch (codec) {
     case 0x1c:
         st->codecpar->codec_id    = AV_CODEC_ID_ADPCM_PSX;
-        st->codecpar->block_align = 16 * st->codecpar->channels;
+        st->codecpar->block_align = 16 * st->codecpar->ch_layout.nb_channels;
         break;
     default:
         avpriv_request_sample(s, "codec %X", codec);