int smv_last_stream;
int smv_eof;
int audio_eof;
+ int ignore_length;
} WAVContext;
#if CONFIG_WAV_MUXER
};
/* wav input */
-static int wav_read_header(AVFormatContext *s,
- AVFormatParameters *ap)
+static int wav_read_header(AVFormatContext *s)
{
int64_t size, av_uninit(data_size);
int64_t sample_count=0;
goto break_loop;
case MKTAG('L', 'I', 'S', 'T'):
list_type = avio_rl32(pb);
- if (size <= 4) {
- av_log(s, AV_LOG_ERROR, "too short LIST");
+ if (size < 4) {
+ av_log(s, AV_LOG_ERROR, "too short LIST tag\n");
return AVERROR_INVALIDDATA;
}
switch (list_type) {
st = s->streams[0];
left = wav->data_end - avio_tell(s->pb);
+ if (wav->ignore_length)
+ left= INT_MAX;
if (left <= 0){
if (CONFIG_W64_DEMUXER && wav->w64)
left = find_guid(s->pb, guid_data) - 24;
return pcm_read_seek(s, stream_index, timestamp, flags);
}
+#define OFFSET(x) offsetof(WAVContext, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
+static const AVOption demux_options[] = {
+ { "ignore_length", "Ignore length", OFFSET(ignore_length), AV_OPT_TYPE_INT, { 0 }, 0, 1, DEC },
+ { NULL },
+};
+
+static const AVClass wav_demuxer_class = {
+ .class_name = "WAV demuxer",
+ .item_name = av_default_item_name,
+ .option = demux_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
AVInputFormat ff_wav_demuxer = {
.name = "wav",
.long_name = NULL_IF_CONFIG_SMALL("WAV format"),
.read_seek = wav_read_seek,
.flags= AVFMT_GENERIC_INDEX,
.codec_tag= (const AVCodecTag* const []){ff_codec_wav_tags, 0},
+ .priv_class = &wav_demuxer_class,
};
#endif /* CONFIG_WAV_DEMUXER */
return 0;
}
-static int w64_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int w64_read_header(AVFormatContext *s)
{
int64_t size;
AVIOContext *pb = s->pb;