X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fidctdsp.c;h=846ed0b0f8322315d9f20b70bee18f6bb61b1af7;hb=9f4af97aff899571663342fbe68df8caee30097f;hp=662033bd78076e3990a7ce62bfb92131ff13c66b;hpb=b13a1210a242d2b3177592ec8687c6f579bff156;p=ffmpeg

diff --git a/libavcodec/idctdsp.c b/libavcodec/idctdsp.c
index 662033bd780..846ed0b0f83 100644
--- a/libavcodec/idctdsp.c
+++ b/libavcodec/idctdsp.c
@@ -258,9 +258,11 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
         if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) {
             /* 10-bit MPEG-4 Simple Studio Profile requires a higher precision IDCT
                However, it only uses idct_put */
-            if (avctx->codec_id == AV_CODEC_ID_MPEG4 && avctx->profile == FF_PROFILE_MPEG4_SIMPLE_STUDIO)
+            if (c->mpeg4_studio_profile) {
                 c->idct_put              = ff_simple_idct_put_int32_10bit;
-            else {
+                c->idct_add              = NULL;
+                c->idct                  = NULL;
+            } else {
                 c->idct_put              = ff_simple_idct_put_int16_10bit;
                 c->idct_add              = ff_simple_idct_add_int16_10bit;
                 c->idct                  = ff_simple_idct_int16_10bit;