avutil/float_dsp: add avpriv_float_dsp_alloc()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

doc/APIchanges

@@ -15,6 +15,9 @@ libavutil:     2014-08-09
 
 API changes, most recent first:
 
+2014-11-18 - xxxxxxx - lavu 54.14.100 - float_dsp.h
+  Add avpriv_float_dsp_alloc().
+
 2014-11-16 - xxxxxxx - lavf 56.13.0 - avformat.h
   Add AVStream.recommended_encoder_configuration with accessors.
 

libavutil/float_dsp.c

@@ -22,6 +22,7 @@
 #include "config.h"
 #include "attributes.h"
 #include "float_dsp.h"
+#include "mem.h"
 
 static void vector_fmul_c(float *dst, const float *src0, const float *src1,
                           int len)
@@ -139,6 +140,15 @@ av_cold void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
         ff_float_dsp_init_mips(fdsp);
 }
 
+av_cold AVFloatDSPContext *avpriv_float_dsp_alloc(int bit_exact)
+{
+    AVFloatDSPContext *ret = av_mallocz(sizeof(AVFloatDSPContext));
+    if (ret)
+        avpriv_float_dsp_init(ret, bit_exact);
+    return ret;
+}
+
+
 #ifdef TEST
 
 #include <float.h>
@@ -158,7 +168,6 @@ av_cold void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
 #include "internal.h"
 #include "lfg.h"
 #include "log.h"
-#include "mem.h"
 #include "random_seed.h"
 
 #define LEN 240

libavutil/float_dsp.h

@@ -185,4 +185,11 @@ void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int strict);
 void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp);
 void ff_float_dsp_init_mips(AVFloatDSPContext *fdsp);
 
+/**
+ * Allocate a float DSP context.
+ *
+ * @param strict  setting to non-zero avoids using functions which may not be IEEE-754 compliant
+ */
+AVFloatDSPContext *avpriv_float_dsp_alloc(int strict);
+
 #endif /* AVUTIL_FLOAT_DSP_H */

libavutil/version.h

@@ -56,7 +56,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  54
-#define LIBAVUTIL_VERSION_MINOR  13
+#define LIBAVUTIL_VERSION_MINOR  14
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \