- if (size < ALAC_PREAMBLE + ALAC_HEADER) {
- av_log(s, AV_LOG_ERROR, "invalid ALAC magic cookie\n");
- avio_skip(pb, size);
- return AVERROR_INVALIDDATA;
+#define ALAC_NEW_KUKI 24
+ if (size == ALAC_NEW_KUKI) {
+ st->codec->extradata = av_mallocz(ALAC_HEADER + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata)
+ return AVERROR(ENOMEM);
+ memcpy(st->codec->extradata, "\0\0\0\24alac", 8);
+ avio_read(pb, st->codec->extradata + ALAC_HEADER - ALAC_NEW_KUKI, ALAC_NEW_KUKI);
+ st->codec->extradata_size = ALAC_HEADER;
+ } else {
+ if (size < ALAC_PREAMBLE + ALAC_HEADER) {
+ av_log(s, AV_LOG_ERROR, "invalid ALAC magic cookie\n");
+ avio_skip(pb, size);
+ return AVERROR_INVALIDDATA;
+ }
+ avio_skip(pb, ALAC_PREAMBLE);
+ st->codec->extradata = av_mallocz(ALAC_HEADER + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata)
+ return AVERROR(ENOMEM);
+ avio_read(pb, st->codec->extradata, ALAC_HEADER);
+ st->codec->extradata_size = ALAC_HEADER;
+ avio_skip(pb, size - ALAC_PREAMBLE - ALAC_HEADER);