Make synth_filter a function pointer

Originally committed as revision 22827 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 8 insertions, 1 deletions

diff --git a/libavcodec/synth_filter.c b/libavcodec/synth_filter.c
index a252b5c2b0..a0ae364d79 100644
--- a/libavcodec/synth_filter.c
+++ b/libavcodec/synth_filter.c
@@ -21,7 +21,7 @@
 #include "fft.h"
 #include "synth_filter.h"
 
-void ff_synth_filter_float(FFTContext *imdct,
+static void synth_filter_float(FFTContext *imdct,
                            float *synth_buf_ptr, int *synth_buf_offset,
                            float synth_buf2[32], const float window[512],
                            float out[32], const float in[32], float scale, float bias)
@@ -55,3 +55,10 @@ void ff_synth_filter_float(FFTContext *imdct,
     }
     *synth_buf_offset= (*synth_buf_offset - 32)&511;
 }
+
+av_cold void ff_synth_filter_init(SynthFilterContext *c)
+{
+    c->synth_filter_float = synth_filter_float;
+
+    if (ARCH_ARM) ff_synth_filter_init_arm(c);
+}