diff --git a/libavcodec/alpha/blockdsp_alpha.c b/libavcodec/alpha/blockdsp_alpha.c
index d8b6f8a145..c6f0964607 100644
--- a/libavcodec/alpha/blockdsp_alpha.c
+++ b/libavcodec/alpha/blockdsp_alpha.c
@@ -45,5 +45,5 @@ static void clear_blocks_axp(int16_t *blocks) {
 
 av_cold void ff_blockdsp_init_alpha(BlockDSPContext *c)
 {
-        c->clear_blocks = clear_blocks_axp;
+    c->clear_blocks = clear_blocks_axp;
 }
diff --git a/libavcodec/arm/blockdsp_init_neon.c b/libavcodec/arm/blockdsp_init_neon.c
index 37819c6f0e..87c0d6d6eb 100644
--- a/libavcodec/arm/blockdsp_init_neon.c
+++ b/libavcodec/arm/blockdsp_init_neon.c
@@ -30,6 +30,6 @@ void ff_clear_blocks_neon(int16_t *blocks);
 
 av_cold void ff_blockdsp_init_neon(BlockDSPContext *c)
 {
-        c->clear_block  = ff_clear_block_neon;
-        c->clear_blocks = ff_clear_blocks_neon;
+      c->clear_block  = ff_clear_block_neon;
+      c->clear_blocks = ff_clear_blocks_neon;
 }
diff --git a/libavcodec/blockdsp.h b/libavcodec/blockdsp.h
index dddac72cf8..95e1d0f32e 100644
--- a/libavcodec/blockdsp.h
+++ b/libavcodec/blockdsp.h
@@ -43,8 +43,7 @@ void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx);
 void ff_blockdsp_init_alpha(BlockDSPContext *c);
 void ff_blockdsp_init_arm(BlockDSPContext *c);
 void ff_blockdsp_init_ppc(BlockDSPContext *c);
-void ff_blockdsp_init_x86(BlockDSPContext *c,
-                          AVCodecContext *avctx);
+void ff_blockdsp_init_x86(BlockDSPContext *c, AVCodecContext *avctx);
 void ff_blockdsp_init_mips(BlockDSPContext *c);
 
 #endif /* AVCODEC_BLOCKDSP_H */
diff --git a/libavcodec/ppc/blockdsp.c b/libavcodec/ppc/blockdsp.c
index 65d2feffec..45c492ab3b 100644
--- a/libavcodec/ppc/blockdsp.c
+++ b/libavcodec/ppc/blockdsp.c
@@ -146,21 +146,21 @@ static void clear_block_altivec(int16_t *block)
 av_cold void ff_blockdsp_init_ppc(BlockDSPContext *c)
 {
     // common optimizations whether AltiVec is available or not
-        switch (check_dcbzl_effect()) {
-        case 32:
-            c->clear_blocks = clear_blocks_dcbz32_ppc;
-            break;
-        case 128:
-            c->clear_blocks = clear_blocks_dcbz128_ppc;
-            break;
-        default:
-            break;
-        }
+    switch (check_dcbzl_effect()) {
+    case 32:
+        c->clear_blocks = clear_blocks_dcbz32_ppc;
+        break;
+    case 128:
+        c->clear_blocks = clear_blocks_dcbz128_ppc;
+        break;
+    default:
+        break;
+    }
 
 #if HAVE_ALTIVEC
     if (!PPC_ALTIVEC(av_get_cpu_flags()))
         return;
 
-        c->clear_block = clear_block_altivec;
+    c->clear_block = clear_block_altivec;
 #endif /* HAVE_ALTIVEC */
 }
diff --git a/libavcodec/x86/blockdsp_init.c b/libavcodec/x86/blockdsp_init.c
index 18322f39fd..21599934ff 100644
--- a/libavcodec/x86/blockdsp_init.c
+++ b/libavcodec/x86/blockdsp_init.c
@@ -37,18 +37,18 @@ av_cold void ff_blockdsp_init_x86(BlockDSPContext *c,
 #if HAVE_YASM
     int cpu_flags = av_get_cpu_flags();
 
-        if (EXTERNAL_MMX(cpu_flags)) {
-            c->clear_block  = ff_clear_block_mmx;
-            c->clear_blocks = ff_clear_blocks_mmx;
-        }
+    if (EXTERNAL_MMX(cpu_flags)) {
+        c->clear_block  = ff_clear_block_mmx;
+        c->clear_blocks = ff_clear_blocks_mmx;
+    }
 
     /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */
     if (CONFIG_XVMC && avctx->hwaccel && avctx->hwaccel->decode_mb)
         return;
 
-        if (EXTERNAL_SSE(cpu_flags)) {
-            c->clear_block  = ff_clear_block_sse;
-            c->clear_blocks = ff_clear_blocks_sse;
-        }
+    if (EXTERNAL_SSE(cpu_flags)) {
+        c->clear_block  = ff_clear_block_sse;
+        c->clear_blocks = ff_clear_blocks_sse;
+    }
 #endif /* HAVE_YASM */
 }