diff --git a/configure b/configure
index 67ab094d5a..1dc63b4ea2 100755
--- a/configure
+++ b/configure
@@ -2133,6 +2133,7 @@ qsvenc_select="qsv"
 
 # decoders / encoders
 aac_decoder_select="imdct15 mdct sinewin"
+aac_fixed_decoder_select="mdct sinewin"
 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
 aac_latm_decoder_select="aac_decoder aac_latm_parser"
 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 3fa6d30bea..dfda9b406a 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -102,7 +102,7 @@ OBJS-$(CONFIG_RANGECODER)              += rangecoder.o
 RDFT-OBJS-$(CONFIG_HARDCODED_TABLES)   += sin_tables.o
 OBJS-$(CONFIG_RDFT)                    += rdft.o $(RDFT-OBJS-yes)
 OBJS-$(CONFIG_SHARED)                  += log2_tab.o
-OBJS-$(CONFIG_SINEWIN)                 += sinewin.o
+OBJS-$(CONFIG_SINEWIN)                 += sinewin.o sinewin_fixed.o
 OBJS-$(CONFIG_SNAPPY)                  += snappy.o
 OBJS-$(CONFIG_STARTCODE)               += startcode.o
 OBJS-$(CONFIG_TEXTUREDSP)              += texturedsp.o
@@ -119,6 +119,8 @@ OBJS-$(CONFIG_A64MULTI5_ENCODER)       += a64multienc.o elbg.o
 OBJS-$(CONFIG_AAC_DECODER)             += aacdec.o aactab.o aacsbr.o aacps.o \
                                           aacadtsdec.o mpeg4audio.o kbdwin.o \
                                           sbrdsp.o aacpsdsp.o
+OBJS-$(CONFIG_AAC_FIXED_DECODER)       += aacdec_fixed.o aactab.o \
+                                          aacadtsdec.o mpeg4audio.o kbdwin.o
 OBJS-$(CONFIG_AAC_ENCODER)             += aacenc.o aaccoder.o    \
                                           aacpsy.o aactab.o      \
                                           psymodel.o mpeg4audio.o kbdwin.o
@@ -924,6 +926,7 @@ HOSTPROGS = aac_tablegen                                                \
             aacsbr_tablegen                                             \
             cabac_tablegen                                              \
             cbrt_tablegen                                               \
+            cbrt_fixed_tablegen                                         \
             cos_tablegen                                                \
             dsd_tablegen                                                \
             dv_tablegen                                                 \
@@ -932,6 +935,7 @@ HOSTPROGS = aac_tablegen                                                \
             pcm_tablegen                                                \
             qdm2_tablegen                                               \
             sinewin_tablegen                                            \
+            sinewin_fixed_tablegen                                      \
 
 CLEANFILES = *_tables.c *_tables.h *_tablegen$(HOSTEXESUF)
 
@@ -950,8 +954,8 @@ else
 $(SUBDIR)%_tablegen$(HOSTEXESUF): HOSTCFLAGS += -DCONFIG_SMALL=0
 endif
 
-GEN_HEADERS = cabac_tables.h cbrt_tables.h aacps_tables.h aacsbr_tables.h aac_tables.h dsd_tables.h dv_tables.h     \
-              sinewin_tables.h mpegaudio_tables.h motionpixels_tables.h \
+GEN_HEADERS = cabac_tables.h cbrt_tables.h cbrt_fixed_tables.h aacps_tables.h aacsbr_tables.h aac_tables.h dsd_tables.h dv_tables.h     \
+              sinewin_tables.h sinewin_fixed_tables.h mpegaudio_tables.h motionpixels_tables.h \
               pcm_tables.h qdm2_tables.h
 GEN_HEADERS := $(addprefix $(SUBDIR), $(GEN_HEADERS))
 
@@ -960,13 +964,16 @@ $(GEN_HEADERS): $(SUBDIR)%_tables.h: $(SUBDIR)%_tablegen$(HOSTEXESUF)
 
 ifdef CONFIG_HARDCODED_TABLES
 $(SUBDIR)aacdec.o: $(SUBDIR)cbrt_tables.h
+$(SUBDIR)aacdec_fixed.o: $(SUBDIR)cbrt_fixed_tables.h
 $(SUBDIR)aacps.o: $(SUBDIR)aacps_tables.h
 $(SUBDIR)aacsbr.o: $(SUBDIR)aacsbr_tables.h
 $(SUBDIR)aactab.o: $(SUBDIR)aac_tables.h
+$(SUBDIR)aactab_fixed.o: $(SUBDIR)aac_fixed_tables.h
 $(SUBDIR)cabac.o: $(SUBDIR)cabac_tables.h
 $(SUBDIR)dsddec.o: $(SUBDIR)dsd_tables.h
 $(SUBDIR)dvenc.o: $(SUBDIR)dv_tables.h
 $(SUBDIR)sinewin.o: $(SUBDIR)sinewin_tables.h
+$(SUBDIR)sinewin_fixed.o: $(SUBDIR)sinewin_fixed_tables.h
 $(SUBDIR)mpegaudiodec_fixed.o: $(SUBDIR)mpegaudio_tables.h
 $(SUBDIR)mpegaudiodec_float.o: $(SUBDIR)mpegaudio_tables.h
 $(SUBDIR)motionpixels.o: $(SUBDIR)motionpixels_tables.h
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index 5a9c57c9fa..d4fdf32988 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -35,7 +35,6 @@
 #define FFT_FLOAT 1
 #define FFT_FIXED_32 0
 #define USE_FIXED 0
-#define CONFIG_FIXED 0
 
 #include "libavutil/float_dsp.h"
 #include "libavutil/opt.h"
diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c
index 0089baa57a..17808114d6 100644
--- a/libavcodec/aacdec_fixed.c
+++ b/libavcodec/aacdec_fixed.c
@@ -61,7 +61,6 @@
 #define FFT_FLOAT 0
 #define FFT_FIXED_32 1
 #define USE_FIXED 1
-#define CONFIG_FIXED 1
 
 #include "libavutil/fixed_dsp.h"
 #include "libavutil/opt.h"
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index c7e87b7473..70c81c7613 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -339,6 +339,7 @@ void avcodec_register_all(void)
 
     /* audio codecs */
     REGISTER_ENCDEC (AAC,               aac);
+    REGISTER_DECODER(AAC_FIXED,         aac_fixed);
     REGISTER_DECODER(AAC_LATM,          aac_latm);
     REGISTER_ENCDEC (AC3,               ac3);
     REGISTER_ENCDEC (AC3_FIXED,         ac3_fixed);