diff --git a/libavcodec/ppc/Makefile b/libavcodec/ppc/Makefile
index febbb0a231..a7e1c87456 100644
--- a/libavcodec/ppc/Makefile
+++ b/libavcodec/ppc/Makefile
@@ -2,7 +2,7 @@ OBJS                                   += ppc/dsputil_ppc.o             \
                                           ppc/videodsp_ppc.o            \
 
 OBJS-$(CONFIG_H264CHROMA)              += ppc/h264chroma_init.o
-OBJS-$(CONFIG_H264QPEL)                += ppc/h264_qpel.o
+OBJS-$(CONFIG_H264QPEL)                += ppc/h264qpel.o
 OBJS-$(CONFIG_HPELDSP)                 += ppc/hpeldsp_altivec.o
 OBJS-$(CONFIG_VORBIS_DECODER)          += ppc/vorbisdsp_altivec.o
 OBJS-$(CONFIG_VP3DSP)                  += ppc/vp3dsp_altivec.o
@@ -10,8 +10,8 @@ OBJS-$(CONFIG_VP3DSP)                  += ppc/vp3dsp_altivec.o
 FFT-OBJS-$(HAVE_GNU_AS)                += ppc/fft_altivec_s.o
 ALTIVEC-OBJS-$(CONFIG_FFT)             += ppc/fft_altivec.o             \
                                           $(FFT-OBJS-yes)
-ALTIVEC-OBJS-$(CONFIG_H264DSP)         += ppc/h264_altivec.o
-ALTIVEC-OBJS-$(CONFIG_MPEGAUDIODSP)    += ppc/mpegaudiodec_altivec.o
+ALTIVEC-OBJS-$(CONFIG_H264DSP)         += ppc/h264dsp.o
+ALTIVEC-OBJS-$(CONFIG_MPEGAUDIODSP)    += ppc/mpegaudiodsp_altivec.o
 ALTIVEC-OBJS-$(CONFIG_MPEGVIDEO)       += ppc/mpegvideo_altivec.o
 ALTIVEC-OBJS-$(CONFIG_VC1_DECODER)     += ppc/vc1dsp_altivec.o
 ALTIVEC-OBJS-$(CONFIG_VP8_DECODER)     += ppc/vp8dsp_altivec.o
diff --git a/libavcodec/ppc/h264_altivec.c b/libavcodec/ppc/h264dsp.c
similarity index 100%
rename from libavcodec/ppc/h264_altivec.c
rename to libavcodec/ppc/h264dsp.c
diff --git a/libavcodec/ppc/h264_qpel.c b/libavcodec/ppc/h264qpel.c
similarity index 99%
rename from libavcodec/ppc/h264_qpel.c
rename to libavcodec/ppc/h264qpel.c
index 429ae42f40..6747fb3020 100644
--- a/libavcodec/ppc/h264_qpel.c
+++ b/libavcodec/ppc/h264qpel.c
@@ -39,7 +39,7 @@
 #define PREFIX_h264_qpel16_v_lowpass_num       altivec_put_h264_qpel16_v_lowpass_num
 #define PREFIX_h264_qpel16_hv_lowpass_altivec  put_h264_qpel16_hv_lowpass_altivec
 #define PREFIX_h264_qpel16_hv_lowpass_num      altivec_put_h264_qpel16_hv_lowpass_num
-#include "h264_qpel_template.c"
+#include "h264qpel_template.c"
 #undef OP_U8_ALTIVEC
 #undef PREFIX_h264_qpel16_h_lowpass_altivec
 #undef PREFIX_h264_qpel16_h_lowpass_num
@@ -55,7 +55,7 @@
 #define PREFIX_h264_qpel16_v_lowpass_num       altivec_avg_h264_qpel16_v_lowpass_num
 #define PREFIX_h264_qpel16_hv_lowpass_altivec  avg_h264_qpel16_hv_lowpass_altivec
 #define PREFIX_h264_qpel16_hv_lowpass_num      altivec_avg_h264_qpel16_hv_lowpass_num
-#include "h264_qpel_template.c"
+#include "h264qpel_template.c"
 #undef OP_U8_ALTIVEC
 #undef PREFIX_h264_qpel16_h_lowpass_altivec
 #undef PREFIX_h264_qpel16_h_lowpass_num
diff --git a/libavcodec/ppc/h264_qpel_template.c b/libavcodec/ppc/h264qpel_template.c
similarity index 100%
rename from libavcodec/ppc/h264_qpel_template.c
rename to libavcodec/ppc/h264qpel_template.c
diff --git a/libavcodec/ppc/mpegaudiodec_altivec.c b/libavcodec/ppc/mpegaudiodsp_altivec.c
similarity index 100%
rename from libavcodec/ppc/mpegaudiodec_altivec.c
rename to libavcodec/ppc/mpegaudiodsp_altivec.c
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index 50e64f72ee..35c82a8948 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -13,7 +13,7 @@ OBJS-$(CONFIG_H264QPEL)                += x86/h264_qpel.o
 OBJS-$(CONFIG_HPELDSP)                 += x86/hpeldsp_init.o
 OBJS-$(CONFIG_LPC)                     += x86/lpc.o
 OBJS-$(CONFIG_MLP_DECODER)             += x86/mlpdsp.o
-OBJS-$(CONFIG_MPEGAUDIODSP)            += x86/mpegaudiodec.o
+OBJS-$(CONFIG_MPEGAUDIODSP)            += x86/mpegaudiodsp.o
 OBJS-$(CONFIG_MPEGVIDEO)               += x86/mpegvideo.o
 OBJS-$(CONFIG_MPEGVIDEOENC)            += x86/mpegvideoenc.o
 OBJS-$(CONFIG_PNG_DECODER)             += x86/pngdsp_init.o
diff --git a/libavcodec/x86/mpegaudiodec.c b/libavcodec/x86/mpegaudiodsp.c
similarity index 100%
rename from libavcodec/x86/mpegaudiodec.c
rename to libavcodec/x86/mpegaudiodsp.c