avcodec/tak: remove GetBitContext usage from avpriv_tak_parse_streaminfo()

This prevents potential ABI issues with GetBitContext.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 15 insertions, 2 deletions

diff --git a/libavcodec/tak.c b/libavcodec/tak.c
index d2670e00ff..8aa956b661 100644
--- a/libavcodec/tak.c
+++ b/libavcodec/tak.c
@@ -90,7 +90,7 @@ int ff_tak_check_crc(const uint8_t *buf, unsigned int buf_size)
     return 0;
 }
 
-void avpriv_tak_parse_streaminfo(GetBitContext *gb, TAKStreamInfo *s)
+void ff_tak_parse_streaminfo(TAKStreamInfo *s, GetBitContext *gb)
 {
     uint64_t channel_mask = 0;
     int frame_type, i;
@@ -125,6 +125,19 @@ void avpriv_tak_parse_streaminfo(GetBitContext *gb, TAKStreamInfo *s)
     s->frame_samples = tak_get_nb_samples(s->sample_rate, frame_type);
 }
 
+int avpriv_tak_parse_streaminfo(TAKStreamInfo *s, const uint8_t *buf, int size)
+{
+    GetBitContext gb;
+    int ret = init_get_bits8(&gb, buf, size);
+
+    if (ret < 0)
+        return AVERROR_INVALIDDATA;
+
+    ff_tak_parse_streaminfo(s, &gb);
+
+    return 0;
+}
+
 int ff_tak_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb,
                                TAKStreamInfo *ti, int log_level_offset)
 {
@@ -144,7 +157,7 @@ int ff_tak_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb,
     }
 
     if (ti->flags & TAK_FRAME_FLAG_HAS_INFO) {
-        avpriv_tak_parse_streaminfo(gb, ti);
+        ff_tak_parse_streaminfo(ti, gb);
 
         if (get_bits(gb, 6))
             skip_bits(gb, 25);