AAC: Return the number of bytes consumed in decoding a frame.

The libfaad wrapper does this. Originally committed as revision 22206 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago · b5e2bb8c3c
parent 660822f0ae
commit b5e2bb8c3c
1 changed files with 3 additions and 1 deletions
--- a/libavcodec/aac.c
+++ b/libavcodec/aac.c
@ -1948,6 +1948,7 @@ static int aac_decode_frame(AVCodecContext *avccontext, void *data,
    GetBitContext gb;
    enum RawDataBlockType elem_type;
    int err, elem_id, data_size_tmp;
+    int buf_consumed;

    init_get_bits(&gb, buf, buf_size * 8);

@ -2048,7 +2049,8 @@ static int aac_decode_frame(AVCodecContext *avccontext, void *data,
    if (ac->output_configured)
        ac->output_configured = OC_LOCKED;

-    return buf_size;
+    buf_consumed = (get_bits_count(&gb) + 7) >> 3;
+    return buf_size > buf_consumed ? buf_consumed : buf_size;
 }

 static av_cold int aac_decode_close(AVCodecContext *avccontext)