diff --git a/libavcodec/msrle.c b/libavcodec/msrle.c
index 76649894aa..b318faa77f 100644
--- a/libavcodec/msrle.c
+++ b/libavcodec/msrle.c
@@ -110,8 +110,8 @@ static void msrle_decode_pal4(MsrleContext *s)
                 FETCH_NEXT_STREAM_BYTE();
                 s->frame.data[0][row_ptr + pixel_ptr] = stream_byte >> 4;
                 pixel_ptr++;
-      	      if (i + 1 == rle_code && odd_pixel)
-        	        break;
+                if (i + 1 == rle_code && odd_pixel)
+                    break;
                 if (pixel_ptr >= s->avctx->width)
                     break;
                 s->frame.data[0][row_ptr + pixel_ptr] = stream_byte & 0x0F;
@@ -254,9 +254,9 @@ static int msrle_decode_frame(AVCodecContext *avctx,
 {
     MsrleContext *s = (MsrleContext *)avctx->priv_data;
 
-	/* no supplementary picture */
-	if (buf_size == 0)
-		return 0;
+    /* no supplementary picture */
+    if (buf_size == 0)
+        return 0;
 
     s->buf = buf;
     s->size = buf_size;
diff --git a/libavcodec/msvideo1.c b/libavcodec/msvideo1.c
index 789d7e798b..3190efb9ef 100644
--- a/libavcodec/msvideo1.c
+++ b/libavcodec/msvideo1.c
@@ -303,15 +303,15 @@ static int msvideo1_decode_frame(AVCodecContext *avctx,
 {
     Msvideo1Context *s = (Msvideo1Context *)avctx->priv_data;
 
-	/* no supplementary picture */
-	if (buf_size == 0)
-		return 0;
+    /* no supplementary picture */
+    if (buf_size == 0)
+        return 0;
 
     s->buf = buf;
     s->size = buf_size;
 
-	s->frame.reference = 1;
-	s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
+    s->frame.reference = 1;
+    s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
     if (avctx->reget_buffer(avctx, &s->frame)) {
         av_log(s->avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
         return -1;
diff --git a/libavcodec/rpza.c b/libavcodec/rpza.c
index b7c09f95db..965fb729b0 100644
--- a/libavcodec/rpza.c
+++ b/libavcodec/rpza.c
@@ -254,15 +254,15 @@ static int rpza_decode_frame(AVCodecContext *avctx,
 {
     RpzaContext *s = (RpzaContext *)avctx->priv_data;
 
-	/* no supplementary picture */
-	if (buf_size == 0)
-		return 0;
+    /* no supplementary picture */
+    if (buf_size == 0)
+        return 0;
 
     s->buf = buf;
     s->size = buf_size;
 
     s->frame.reference = 1;
-	s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
+    s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
     if (avctx->reget_buffer(avctx, &s->frame)) {
         av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
         return -1;
diff --git a/libavcodec/smc.c b/libavcodec/smc.c
index 24be54dbf1..be02b162d8 100644
--- a/libavcodec/smc.c
+++ b/libavcodec/smc.c
@@ -453,16 +453,16 @@ static int smc_decode_frame(AVCodecContext *avctx,
 {
     SmcContext *s = (SmcContext *)avctx->priv_data;
 
-	/* no supplementary picture */
-	if (buf_size == 0)
-		return 0;
+    /* no supplementary picture */
+    if (buf_size == 0)
+        return 0;
 
     s->buf = buf;
     s->size = buf_size;
 
     s->frame.reference = 1;
-	s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | 
-	                        FF_BUFFER_HINTS_REUSABLE | FF_BUFFER_HINTS_READABLE;
+    s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | 
+                            FF_BUFFER_HINTS_REUSABLE | FF_BUFFER_HINTS_READABLE;
     if (avctx->reget_buffer(avctx, &s->frame)) {
         printf ("reget_buffer() failed\n");
         return -1;