cosmetics: Remove unnecessary extern keywords from function declarations

4 files changed, 159 insertions, 161 deletions

diff --git a/libavcodec/mpeg12.h b/libavcodec/mpeg12.h
index 2c8f935b2b..cf807ec8ff 100644
--- a/libavcodec/mpeg12.h
+++ b/libavcodec/mpeg12.h
@@ -71,6 +71,6 @@ static inline int decode_dc(GetBitContext *gb, int component)
     return diff;
 }
 
-extern int ff_mpeg1_decode_block_intra(MpegEncContext *s, int16_t *block, int n);
+int ff_mpeg1_decode_block_intra(MpegEncContext *s, int16_t *block, int n);
 
 #endif /* AVCODEC_MPEG12_H */
diff --git a/libavcodec/x86/ac3dsp_init.c b/libavcodec/x86/ac3dsp_init.c
index e8f7304ca3..99815f7bd1 100644
--- a/libavcodec/x86/ac3dsp_init.c
+++ b/libavcodec/x86/ac3dsp_init.c
@@ -26,30 +26,30 @@
 #include "libavcodec/ac3.h"
 #include "libavcodec/ac3dsp.h"
 
-extern void ff_ac3_exponent_min_mmx   (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
-extern void ff_ac3_exponent_min_mmxext(uint8_t *exp, int num_reuse_blocks, int nb_coefs);
-extern void ff_ac3_exponent_min_sse2  (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
+void ff_ac3_exponent_min_mmx   (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
+void ff_ac3_exponent_min_mmxext(uint8_t *exp, int num_reuse_blocks, int nb_coefs);
+void ff_ac3_exponent_min_sse2  (uint8_t *exp, int num_reuse_blocks, int nb_coefs);
 
-extern int ff_ac3_max_msb_abs_int16_mmx  (const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_mmxext(const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_sse2 (const int16_t *src, int len);
-extern int ff_ac3_max_msb_abs_int16_ssse3(const int16_t *src, int len);
+int ff_ac3_max_msb_abs_int16_mmx  (const int16_t *src, int len);
+int ff_ac3_max_msb_abs_int16_mmxext(const int16_t *src, int len);
+int ff_ac3_max_msb_abs_int16_sse2 (const int16_t *src, int len);
+int ff_ac3_max_msb_abs_int16_ssse3(const int16_t *src, int len);
 
-extern void ff_ac3_lshift_int16_mmx (int16_t *src, unsigned int len, unsigned int shift);
-extern void ff_ac3_lshift_int16_sse2(int16_t *src, unsigned int len, unsigned int shift);
+void ff_ac3_lshift_int16_mmx (int16_t *src, unsigned int len, unsigned int shift);
+void ff_ac3_lshift_int16_sse2(int16_t *src, unsigned int len, unsigned int shift);
 
-extern void ff_ac3_rshift_int32_mmx (int32_t *src, unsigned int len, unsigned int shift);
-extern void ff_ac3_rshift_int32_sse2(int32_t *src, unsigned int len, unsigned int shift);
+void ff_ac3_rshift_int32_mmx (int32_t *src, unsigned int len, unsigned int shift);
+void ff_ac3_rshift_int32_sse2(int32_t *src, unsigned int len, unsigned int shift);
 
-extern void ff_float_to_fixed24_3dnow(int32_t *dst, const float *src, unsigned int len);
-extern void ff_float_to_fixed24_sse  (int32_t *dst, const float *src, unsigned int len);
-extern void ff_float_to_fixed24_sse2 (int32_t *dst, const float *src, unsigned int len);
+void ff_float_to_fixed24_3dnow(int32_t *dst, const float *src, unsigned int len);
+void ff_float_to_fixed24_sse  (int32_t *dst, const float *src, unsigned int len);
+void ff_float_to_fixed24_sse2 (int32_t *dst, const float *src, unsigned int len);
 
-extern int ff_ac3_compute_mantissa_size_sse2(uint16_t mant_cnt[6][16]);
+int ff_ac3_compute_mantissa_size_sse2(uint16_t mant_cnt[6][16]);
 
-extern void ff_ac3_extract_exponents_3dnow(uint8_t *exp, int32_t *coef, int nb_coefs);
-extern void ff_ac3_extract_exponents_sse2 (uint8_t *exp, int32_t *coef, int nb_coefs);
-extern void ff_ac3_extract_exponents_ssse3(uint8_t *exp, int32_t *coef, int nb_coefs);
+void ff_ac3_extract_exponents_3dnow(uint8_t *exp, int32_t *coef, int nb_coefs);
+void ff_ac3_extract_exponents_sse2 (uint8_t *exp, int32_t *coef, int nb_coefs);
+void ff_ac3_extract_exponents_ssse3(uint8_t *exp, int32_t *coef, int nb_coefs);
 
 #if HAVE_SSE_INLINE && HAVE_7REGS
 
diff --git a/libavcodec/x86/videodsp.asm b/libavcodec/x86/videodsp.asm
index 19b910b923..34f007f8d2 100644
--- a/libavcodec/x86/videodsp.asm
+++ b/libavcodec/x86/videodsp.asm
@@ -23,9 +23,9 @@
 
 SECTION .text
 
-; extern void ff_emu_edge_core(uint8_t *buf, const uint8_t *src, x86_reg linesize,
-;                              x86_reg start_y, x86_reg end_y, x86_reg block_h,
-;                              x86_reg start_x, x86_reg end_x, x86_reg block_w);
+; void ff_emu_edge_core(uint8_t *buf, const uint8_t *src, x86_reg linesize,
+;                       x86_reg start_y, x86_reg end_y, x86_reg block_h,
+;                       x86_reg start_x, x86_reg end_x, x86_reg block_w);
 ;
 ; The actual function itself is below. It basically wraps a very simple
 ; w = end_x - start_x
diff --git a/libavcodec/x86/vp8dsp_init.c b/libavcodec/x86/vp8dsp_init.c
index 38770c34b0..629a7bc77b 100644
--- a/libavcodec/x86/vp8dsp_init.c
+++ b/libavcodec/x86/vp8dsp_init.c
@@ -30,93 +30,93 @@
 /*
  * MC functions
  */
-extern void ff_put_vp8_epel4_h4_mmxext(uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel4_h6_mmxext(uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel4_v4_mmxext(uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel4_v6_mmxext(uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-
-extern void ff_put_vp8_epel8_h4_sse2  (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel8_h6_sse2  (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel8_v4_sse2  (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel8_v6_sse2  (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-
-extern void ff_put_vp8_epel4_h4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel4_h6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel4_v4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel4_v6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel8_h4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel8_h6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel8_v4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-extern void ff_put_vp8_epel8_v6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                       uint8_t *src, ptrdiff_t srcstride,
-                                       int height, int mx, int my);
-
-extern void ff_put_vp8_bilinear4_h_mmxext(uint8_t *dst, ptrdiff_t dststride,
-                                          uint8_t *src, ptrdiff_t srcstride,
-                                          int height, int mx, int my);
-extern void ff_put_vp8_bilinear8_h_sse2  (uint8_t *dst, ptrdiff_t dststride,
-                                          uint8_t *src, ptrdiff_t srcstride,
-                                          int height, int mx, int my);
-extern void ff_put_vp8_bilinear4_h_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                          uint8_t *src, ptrdiff_t srcstride,
-                                          int height, int mx, int my);
-extern void ff_put_vp8_bilinear8_h_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                          uint8_t *src, ptrdiff_t srcstride,
-                                          int height, int mx, int my);
-
-extern void ff_put_vp8_bilinear4_v_mmxext(uint8_t *dst, ptrdiff_t dststride,
-                                          uint8_t *src, ptrdiff_t srcstride,
-                                          int height, int mx, int my);
-extern void ff_put_vp8_bilinear8_v_sse2  (uint8_t *dst, ptrdiff_t dststride,
-                                          uint8_t *src, ptrdiff_t srcstride,
-                                          int height, int mx, int my);
-extern void ff_put_vp8_bilinear4_v_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                          uint8_t *src, ptrdiff_t srcstride,
-                                          int height, int mx, int my);
-extern void ff_put_vp8_bilinear8_v_ssse3 (uint8_t *dst, ptrdiff_t dststride,
-                                          uint8_t *src, ptrdiff_t srcstride,
-                                          int height, int mx, int my);
-
-
-extern void ff_put_vp8_pixels8_mmx (uint8_t *dst, ptrdiff_t dststride,
-                                    uint8_t *src, ptrdiff_t srcstride,
-                                    int height, int mx, int my);
-extern void ff_put_vp8_pixels16_mmx(uint8_t *dst, ptrdiff_t dststride,
-                                    uint8_t *src, ptrdiff_t srcstride,
-                                    int height, int mx, int my);
-extern void ff_put_vp8_pixels16_sse(uint8_t *dst, ptrdiff_t dststride,
-                                    uint8_t *src, ptrdiff_t srcstride,
-                                    int height, int mx, int my);
+void ff_put_vp8_epel4_h4_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel4_h6_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel4_v4_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel4_v6_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+
+void ff_put_vp8_epel8_h4_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel8_h6_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel8_v4_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel8_v6_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+
+void ff_put_vp8_epel4_h4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel4_h6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel4_v4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel4_v6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel8_h4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel8_h6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel8_v4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+void ff_put_vp8_epel8_v6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                uint8_t *src, ptrdiff_t srcstride,
+                                int height, int mx, int my);
+
+void ff_put_vp8_bilinear4_h_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                   uint8_t *src, ptrdiff_t srcstride,
+                                   int height, int mx, int my);
+void ff_put_vp8_bilinear8_h_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                   uint8_t *src, ptrdiff_t srcstride,
+                                   int height, int mx, int my);
+void ff_put_vp8_bilinear4_h_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                   uint8_t *src, ptrdiff_t srcstride,
+                                   int height, int mx, int my);
+void ff_put_vp8_bilinear8_h_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                   uint8_t *src, ptrdiff_t srcstride,
+                                   int height, int mx, int my);
+
+void ff_put_vp8_bilinear4_v_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                   uint8_t *src, ptrdiff_t srcstride,
+                                   int height, int mx, int my);
+void ff_put_vp8_bilinear8_v_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                   uint8_t *src, ptrdiff_t srcstride,
+                                   int height, int mx, int my);
+void ff_put_vp8_bilinear4_v_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                   uint8_t *src, ptrdiff_t srcstride,
+                                   int height, int mx, int my);
+void ff_put_vp8_bilinear8_v_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                   uint8_t *src, ptrdiff_t srcstride,
+                                   int height, int mx, int my);
+
+
+void ff_put_vp8_pixels8_mmx (uint8_t *dst, ptrdiff_t dststride,
+                             uint8_t *src, ptrdiff_t srcstride,
+                             int height, int mx, int my);
+void ff_put_vp8_pixels16_mmx(uint8_t *dst, ptrdiff_t dststride,
+                             uint8_t *src, ptrdiff_t srcstride,
+                             int height, int mx, int my);
+void ff_put_vp8_pixels16_sse(uint8_t *dst, ptrdiff_t dststride,
+                             uint8_t *src, ptrdiff_t srcstride,
+                             int height, int mx, int my);
 
 #define TAP_W16(OPT, FILTERTYPE, TAPTYPE) \
 static void ff_put_vp8_ ## FILTERTYPE ## 16_ ## TAPTYPE ## _ ## OPT( \
@@ -230,58 +230,56 @@ HVBILIN(ssse3, 8,  4,  8)
 HVBILIN(ssse3, 8,  8, 16)
 HVBILIN(ssse3, 8, 16, 16)
 
-extern void ff_vp8_idct_dc_add_mmx(uint8_t *dst, int16_t block[16],
-                                   ptrdiff_t stride);
-extern void ff_vp8_idct_dc_add_sse4(uint8_t *dst, int16_t block[16],
-                                    ptrdiff_t stride);
-extern void ff_vp8_idct_dc_add4y_mmx(uint8_t *dst, int16_t block[4][16],
-                                      ptrdiff_t stride);
-extern void ff_vp8_idct_dc_add4y_sse2(uint8_t *dst, int16_t block[4][16],
-                                      ptrdiff_t stride);
-extern void ff_vp8_idct_dc_add4uv_mmx(uint8_t *dst, int16_t block[2][16],
-                                      ptrdiff_t stride);
-extern void ff_vp8_luma_dc_wht_mmx(int16_t block[4][4][16], int16_t dc[16]);
-extern void ff_vp8_luma_dc_wht_sse(int16_t block[4][4][16], int16_t dc[16]);
-extern void ff_vp8_idct_add_mmx(uint8_t *dst, int16_t block[16],
-                                ptrdiff_t stride);
-extern void ff_vp8_idct_add_sse(uint8_t *dst, int16_t block[16],
-                                ptrdiff_t stride);
-
-#define DECLARE_LOOP_FILTER(NAME)\
-extern void ff_vp8_v_loop_filter_simple_ ## NAME(uint8_t *dst, \
-                                                 ptrdiff_t stride, \
-                                                 int flim);\
-extern void ff_vp8_h_loop_filter_simple_ ## NAME(uint8_t *dst, \
-                                                 ptrdiff_t stride, \
-                                                 int flim);\
-extern void ff_vp8_v_loop_filter16y_inner_ ## NAME (uint8_t *dst, \
-                                                     ptrdiff_t stride,\
-                                                    int e, int i, int hvt);\
-extern void ff_vp8_h_loop_filter16y_inner_ ## NAME (uint8_t *dst, \
-                                                    ptrdiff_t stride,\
-                                                    int e, int i, int hvt);\
-extern void ff_vp8_v_loop_filter8uv_inner_ ## NAME (uint8_t *dstU, \
-                                                    uint8_t *dstV,\
-                                                    ptrdiff_t s, \
-                                                    int e, int i, int hvt);\
-extern void ff_vp8_h_loop_filter8uv_inner_ ## NAME (uint8_t *dstU, \
-                                                    uint8_t *dstV,\
-                                                    ptrdiff_t s, \
-                                                    int e, int i, int hvt);\
-extern void ff_vp8_v_loop_filter16y_mbedge_ ## NAME(uint8_t *dst, \
-                                                    ptrdiff_t stride,\
-                                                    int e, int i, int hvt);\
-extern void ff_vp8_h_loop_filter16y_mbedge_ ## NAME(uint8_t *dst, \
-                                                    ptrdiff_t stride,\
-                                                    int e, int i, int hvt);\
-extern void ff_vp8_v_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU, \
-                                                    uint8_t *dstV,\
-                                                    ptrdiff_t s, \
-                                                    int e, int i, int hvt);\
-extern void ff_vp8_h_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU, \
-                                                    uint8_t *dstV,\
-                                                    ptrdiff_t s, \
-                                                    int e, int i, int hvt);
+void ff_vp8_idct_dc_add_mmx(uint8_t *dst, int16_t block[16],
+                            ptrdiff_t stride);
+void ff_vp8_idct_dc_add_sse4(uint8_t *dst, int16_t block[16],
+                             ptrdiff_t stride);
+void ff_vp8_idct_dc_add4y_mmx(uint8_t *dst, int16_t block[4][16],
+                               ptrdiff_t stride);
+void ff_vp8_idct_dc_add4y_sse2(uint8_t *dst, int16_t block[4][16],
+                               ptrdiff_t stride);
+void ff_vp8_idct_dc_add4uv_mmx(uint8_t *dst, int16_t block[2][16],
+                               ptrdiff_t stride);
+void ff_vp8_luma_dc_wht_mmx(int16_t block[4][4][16], int16_t dc[16]);
+void ff_vp8_luma_dc_wht_sse(int16_t block[4][4][16], int16_t dc[16]);
+void ff_vp8_idct_add_mmx(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
+void ff_vp8_idct_add_sse(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
+
+#define DECLARE_LOOP_FILTER(NAME)                                       \
+void ff_vp8_v_loop_filter_simple_ ## NAME(uint8_t *dst,                 \
+                                          ptrdiff_t stride,             \
+                                          int flim);                    \
+void ff_vp8_h_loop_filter_simple_ ## NAME(uint8_t *dst,                 \
+                                          ptrdiff_t stride,             \
+                                          int flim);                    \
+void ff_vp8_v_loop_filter16y_inner_ ## NAME (uint8_t *dst,              \
+                                             ptrdiff_t stride,          \
+                                             int e, int i, int hvt);    \
+void ff_vp8_h_loop_filter16y_inner_ ## NAME (uint8_t *dst,              \
+                                             ptrdiff_t stride,          \
+                                             int e, int i, int hvt);    \
+void ff_vp8_v_loop_filter8uv_inner_ ## NAME (uint8_t *dstU,             \
+                                             uint8_t *dstV,             \
+                                             ptrdiff_t s,               \
+                                             int e, int i, int hvt);    \
+void ff_vp8_h_loop_filter8uv_inner_ ## NAME (uint8_t *dstU,             \
+                                             uint8_t *dstV,             \
+                                             ptrdiff_t s,               \
+                                             int e, int i, int hvt);    \
+void ff_vp8_v_loop_filter16y_mbedge_ ## NAME(uint8_t *dst,              \
+                                             ptrdiff_t stride,          \
+                                             int e, int i, int hvt);    \
+void ff_vp8_h_loop_filter16y_mbedge_ ## NAME(uint8_t *dst,              \
+                                             ptrdiff_t stride,          \
+                                             int e, int i, int hvt);    \
+void ff_vp8_v_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU,             \
+                                             uint8_t *dstV,             \
+                                             ptrdiff_t s,               \
+                                             int e, int i, int hvt);    \
+void ff_vp8_h_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU,             \
+                                             uint8_t *dstV,             \
+                                             ptrdiff_t s,               \
+                                             int e, int i, int hvt);
 
 DECLARE_LOOP_FILTER(mmx)
 DECLARE_LOOP_FILTER(mmxext)