X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmsmpeg4.c;h=87866a26d46576784ed58269364cd2d164428b15;hb=eb3b2ef91d222697e46871fe6efc5b452465b41a;hp=5d76e9b5c661c8bac3c1c1828b1e0d47597fd075;hpb=cb92c528d9c88a95f99392996f20d2fd6ef8bdba;p=ffmpeg

diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c
index 5d76e9b5c66..87866a26d46 100644
--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -1,6 +1,6 @@
 /*
  * MSMPEG4 backend for ffmpeg encoder and decoder
- * Copyright (c) 2001 Fabrice Bellard.
+ * Copyright (c) 2001 Fabrice Bellard
  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
  *
  * msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>
@@ -23,7 +23,7 @@
  */
 
 /**
- * @file msmpeg4.c
+ * @file libavcodec/msmpeg4.c
  * MSMPEG4 backend for ffmpeg encoder and decoder.
  */
 
@@ -62,7 +62,7 @@ static uint32_t v2_dc_chroma_table[512][2];
 static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr);
 static void init_h263_dc_for_msmpeg4(void);
 static inline void msmpeg4_memsetw(short *tab, int val, int n);
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
 static void msmpeg4v2_encode_motion(MpegEncContext * s, int val);
 static int get_size_of_code(MpegEncContext * s, RLTable *rl, int last, int run, int level, int intra);
 #endif //CONFIG_ENCODERS
@@ -79,7 +79,7 @@ int frame_count = 0;
 
 #include "msmpeg4data.h"
 
-#ifdef CONFIG_ENCODERS //strangely gcc includes this even if it is not references
+#if CONFIG_ENCODERS //strangely gcc includes this even if it is not referenced
 static uint8_t rl_length[NB_RL_TABLES][MAX_LEVEL+1][MAX_RUN+1][2];
 #endif //CONFIG_ENCODERS
 
@@ -109,7 +109,7 @@ static void common_init(MpegEncContext * s)
         s->y_dc_scale_table= wmv1_y_dc_scale_table;
         s->c_dc_scale_table= wmv1_c_dc_scale_table;
         break;
-#if defined(CONFIG_WMV3_DECODER)||defined(CONFIG_VC1_DECODER)
+#if CONFIG_WMV3_DECODER || CONFIG_VC1_DECODER
     case 6:
         s->y_dc_scale_table= wmv3_dc_scale_table;
         s->c_dc_scale_table= wmv3_dc_scale_table;
@@ -134,7 +134,7 @@ static void common_init(MpegEncContext * s)
     }
 }
 
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
 
 /* build the table which associate a (x,y) motion vector to a vlc */
 static void init_mv_table(MVTable *tab)
@@ -411,7 +411,7 @@ int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_block
     return pred;
 }
 
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
 
 void ff_msmpeg4_encode_motion(MpegEncContext * s,
                                   int mx, int my)
@@ -653,8 +653,8 @@ static inline int msmpeg4_pred_dc(MpegEncContext * s, int n,
        necessitate to modify mpegvideo.c. The problem comes from the
        fact they decided to store the quantized DC (which would lead
        to problems if Q could vary !) */
-#if (defined(ARCH_X86)) && !defined PIC
-    asm volatile(
+#if ARCH_X86 && !defined PIC
+    __asm__ volatile(
         "movl %3, %%eax         \n\t"
         "shrl $1, %%eax         \n\t"
         "addl %%eax, %2         \n\t"
@@ -673,7 +673,7 @@ static inline int msmpeg4_pred_dc(MpegEncContext * s, int n,
         : "%eax", "%edx"
     );
 #else
-    /* #elif defined (ARCH_ALPHA) */
+    /* #elif ARCH_ALPHA */
     /* Divisions are extremely costly on Alpha; optimize the most
        common case. But they are costly everywhere...
      */
@@ -1142,7 +1142,7 @@ int ff_msmpeg4_decode_init(MpegEncContext *s)
         s->decode_mb= msmpeg4v34_decode_mb;
         break;
     case 5:
-        if (ENABLE_WMV2_DECODER)
+        if (CONFIG_WMV2_DECODER)
             s->decode_mb= ff_wmv2_decode_mb;
     case 6:
         //FIXME + TODO VC1 decode mb
@@ -1362,7 +1362,7 @@ static inline void msmpeg4_memsetw(short *tab, int val, int n)
         tab[i] = val;
 }
 
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
 static void msmpeg4v2_encode_motion(MpegEncContext * s, int val)
 {
     int range, bit_size, sign, code, bits;
@@ -1609,7 +1609,7 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
                               int n, int coded, const uint8_t *scan_table)
 {
     int level, i, last, run, run_diff;
-    int dc_pred_dir;
+    int av_uninit(dc_pred_dir);
     RLTable *rl;
     RL_VLC_ELEM *rl_vlc;
     int qmul, qadd;