-#define PCMDEF(name, long_name, ext, codec) \
-AVInputFormat ff_pcm_ ## name ## _demuxer = {\
- #name,\
- NULL_IF_CONFIG_SMALL(long_name),\
- 0,\
- NULL,\
- ff_raw_read_header,\
- raw_read_packet,\
- NULL,\
- pcm_read_seek,\
- .flags= AVFMT_GENERIC_INDEX,\
- .extensions = ext,\
- .value = codec,\
+static const AVOption pcm_options[] = {
+ { "sample_rate", "", offsetof(PCMAudioDemuxerContext, sample_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+ { "channels", "", offsetof(PCMAudioDemuxerContext, channels), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+ { NULL },
+};
+
+#define PCMDEF(name_, long_name_, ext, codec) \
+static const AVClass name_ ## _demuxer_class = { \
+ .class_name = #name_ " demuxer", \
+ .item_name = av_default_item_name, \
+ .option = pcm_options, \
+ .version = LIBAVUTIL_VERSION_INT, \
+}; \
+AVInputFormat ff_pcm_ ## name_ ## _demuxer = { \
+ .name = #name_, \
+ .long_name = NULL_IF_CONFIG_SMALL(long_name_), \
+ .priv_data_size = sizeof(PCMAudioDemuxerContext), \
+ .read_header = pcm_read_header, \
+ .read_packet = pcm_read_packet, \
+ .read_seek = ff_pcm_read_seek, \
+ .flags = AVFMT_GENERIC_INDEX, \
+ .extensions = ext, \
+ .raw_codec_id = codec, \
+ .priv_class = &name_ ## _demuxer_class, \