g722: convert to new channel layout API

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/g722dec.c

@@ -59,8 +59,8 @@ static av_cold int g722_decode_init(AVCodecContext * avctx)
 {
     G722Context *c = avctx->priv_data;
 
-    avctx->channels       = 1;
-    avctx->channel_layout = AV_CH_LAYOUT_MONO;
+    av_channel_layout_uninit(&avctx->ch_layout);
+    avctx->ch_layout      = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO;
     avctx->sample_fmt     = AV_SAMPLE_FMT_S16;
 
     c->band[0].scale_factor = 8;

libavcodec/g722enc.c

@@ -381,6 +381,11 @@ const AVCodec ff_adpcm_g722_encoder = {
     .close           = g722_encode_close,
     .encode2         = g722_encode_frame,
     .sample_fmts     = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE },
+#if FF_API_OLD_CHANNEL_LAYOUT
     .channel_layouts = (const uint64_t[]){ AV_CH_LAYOUT_MONO, 0 },
+#endif
+    .ch_layouts     = (const AVChannelLayout[]){
+        AV_CHANNEL_LAYOUT_MONO, { 0 }
+    },
     .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
 };