mpeg4audio: dont take the SBR flag too serious.

Fixes Ticket1049 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago · 599a4e0771
parent 104f42e694
commit 599a4e0771
1 changed files with 4 additions and 1 deletions
--- a/libavcodec/mpeg4audio.c
+++ b/libavcodec/mpeg4audio.c
@ -126,8 +126,11 @@ int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf,
            if (show_bits(&gb, 11) == 0x2b7) { // sync extension
                get_bits(&gb, 11);
                c->ext_object_type = get_object_type(&gb);
-                if (c->ext_object_type == AOT_SBR && (c->sbr = get_bits1(&gb)) == 1)
+                if (c->ext_object_type == AOT_SBR && (c->sbr = get_bits1(&gb)) == 1) {
                    c->ext_sample_rate = get_sample_rate(&gb, &c->ext_sampling_index);
+                    if (c->ext_sample_rate == c->sample_rate)
+                        c->sbr = -1;
+                }
                if (get_bits_left(&gb) > 11 && get_bits(&gb, 11) == 0x548)
                    c->ps = get_bits1(&gb);
                break;