Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and

deprecate av_get_bits_per_sample_format().

Originally committed as revision 25654 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/utils.c

@@ -1064,21 +1064,11 @@ int av_get_bits_per_sample(enum CodecID codec_id){
     }
 }
 
+#if FF_API_OLD_SAMPLE_FMT
 int av_get_bits_per_sample_format(enum SampleFormat sample_fmt) {
-    switch (sample_fmt) {
-    case SAMPLE_FMT_U8:
-        return 8;
-    case SAMPLE_FMT_S16:
-        return 16;
-    case SAMPLE_FMT_S32:
-    case SAMPLE_FMT_FLT:
-        return 32;
-    case SAMPLE_FMT_DBL:
-        return 64;
-    default:
-        return 0;
-    }
+    return av_get_bits_per_sample_fmt(sample_fmt);
 }
+#endif
 
 #if !HAVE_THREADS
 int avcodec_thread_init(AVCodecContext *s, int thread_count){