dv: convert to new channel layout API

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

libavformat/dv.c

@@ -281,8 +281,7 @@ static int dv_extract_audio_info(DVDemuxContext *c, const uint8_t *frame)
             c->audio_pkt[i].pos          = -1;
         }
         c->ast[i]->codecpar->sample_rate    = dv_audio_frequency[freq];
-        c->ast[i]->codecpar->channels       = 2;
-        c->ast[i]->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
+        c->ast[i]->codecpar->ch_layout      = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
         c->ast[i]->codecpar->bit_rate       = 2 * dv_audio_frequency[freq] * 16;
         c->ast[i]->start_time            = 0;
     }

libavformat/dvenc.c

@@ -333,7 +333,7 @@ static DVMuxContext* dv_init_mux(AVFormatContext* s)
             if (c->n_ast > 1) return NULL;
             /* Some checks -- DV format is very picky about its incoming streams */
             if(st->codecpar->codec_id    != AV_CODEC_ID_PCM_S16LE ||
-               st->codecpar->channels    != 2)
+               st->codecpar->ch_layout.nb_channels    != 2)
                 goto bail_out;
             if (st->codecpar->sample_rate != 48000 &&
                 st->codecpar->sample_rate != 44100 &&