+typedef struct PCMAudioDemuxerContext {
+ AVClass *class;
+ int sample_rate;
+ int channels;
+} PCMAudioDemuxerContext;
+
+static int pcm_read_header(AVFormatContext *s)
+{
+ PCMAudioDemuxerContext *s1 = s->priv_data;
+ AVStream *st;
+
+ st = avformat_new_stream(s, NULL);
+ if (!st)
+ return AVERROR(ENOMEM);
+
+
+ st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codec->codec_id = s->iformat->raw_codec_id;
+ st->codec->sample_rate = s1->sample_rate;
+ st->codec->channels = s1->channels;
+
+ st->codec->bits_per_coded_sample =
+ av_get_bits_per_sample(st->codec->codec_id);
+
+ assert(st->codec->bits_per_coded_sample > 0);
+
+ st->codec->block_align =
+ st->codec->bits_per_coded_sample * st->codec->channels / 8;
+
+ avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
+ return 0;
+}
+
+static int pcm_read_packet(AVFormatContext *s, AVPacket *pkt)