avcodec: Add avpriv_mpa_decode_header2()
The difference to avpriv_mpa_decode_header() is that it doesnt need or modify the context
Signed-off-by: Michael Niedermayer <[email protected]>
diff --git a/libavcodec/mpegaudiodecheader.h b/libavcodec/mpegaudiodecheader.h
index c434d00..444b85f 100644
--- a/libavcodec/mpegaudiodecheader.h
+++ b/libavcodec/mpegaudiodecheader.h
@@ -56,6 +56,8 @@
header, otherwise the coded frame size in bytes */
int avpriv_mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate, int *channels, int *frame_size, int *bitrate);
+int avpriv_mpa_decode_header2(uint32_t head, int *sample_rate, int *channels, int *frame_size, int *bitrate, enum AVCodecID *codec_id);
+
/* fast header check for resync */
static inline int ff_mpa_check_header(uint32_t header){
/* header */
