* fixing a few of gcc 'clean-code' warnings

Originally committed as revision 3563 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffplay.c

@@ -113,7 +113,7 @@ typedef struct VideoState {
     /* samples output by the codec. we reserve more space for avsync
        compensation */
     uint8_t audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2]; 
-    int audio_buf_size; /* in bytes */
+    unsigned int audio_buf_size; /* in bytes */
     int audio_buf_index; /* in bytes */
     AVPacket audio_pkt;
     uint8_t *audio_pkt_data;

libavcodec/common.h

@@ -391,7 +391,7 @@ typedef struct RL_VLC_ELEM {
 
 /* used to avoid missaligned exceptions on some archs (alpha, ...) */
 #ifdef ARCH_X86
-#    define unaligned32(a) (*(uint32_t*)(a))
+#    define unaligned32(a) (*(const uint32_t*)(a))
 #else
 #    ifdef __GNUC__
 static inline uint32_t unaligned32(const void *v) {
@@ -620,7 +620,7 @@ static inline int unaligned32_be(const void *v)
         (gb)->index= name##_index;\
 
 #   define UPDATE_CACHE(name, gb)\
-        name##_cache= unaligned32_be( ((uint8_t *)(gb)->buffer)+(name##_index>>3) ) << (name##_index&0x07);\
+        name##_cache= unaligned32_be( ((const uint8_t *)(gb)->buffer)+(name##_index>>3) ) << (name##_index&0x07);\
 
 #   define SKIP_CACHE(name, gb, num)\
         name##_cache <<= (num);\
@@ -1253,7 +1253,7 @@ if((y)<(x)){\
 #endif
 
 #ifdef ARCH_X86
-static inline long long rdtsc()
+static inline long long rdtsc(void)
 {
 	long long l;
 	asm volatile(	"rdtsc\n\t"

libavcodec/indeo3.c

@@ -101,7 +101,8 @@ static void iv_Decode_Chunk(Indeo3DecodeContext *s, unsigned char *cur,
 static void iv_alloc_frames(Indeo3DecodeContext *s) 
 {
   int luma_width, luma_height, luma_pixels, chroma_width, chroma_height,
-    chroma_pixels, bufsize, i;
+      chroma_pixels, i;
+  unsigned int bufsize;
 
   luma_width   = (s->width  + 3) & (~3);
   luma_height  = (s->height + 3) & (~3);

libavcodec/ra144.c

@@ -130,7 +130,7 @@ static void do_voice(int *a1, int *a2)
 
 
 /* do quarter-block output */
-static void do_output_subblock(Real144_internal *glob, int x)
+static void do_output_subblock(Real144_internal *glob, unsigned int x)
 {
   int a,b,c,d,e,f,g;
 

libavcodec/ra288.c

@@ -47,7 +47,7 @@ static void colmult(float *tgt, float *m1, const float *m2, int n);
 
 
 /* initial decode */
-static void unpack(unsigned short *tgt, unsigned char *src, int len)
+static void unpack(unsigned short *tgt, unsigned char *src, unsigned int len)
 {
   int x,y,z;
   int n,temp;

libavformat/avformat.h

@@ -251,7 +251,7 @@ typedef struct AVStream {
 
 /* format I/O context */
 typedef struct AVFormatContext {
-    AVClass *av_class; /* set by av_alloc_format_context */
+    const AVClass *av_class; /* set by av_alloc_format_context */
     /* can only be iformat or oformat, not both at the same time */
     struct AVInputFormat *iformat;
     struct AVOutputFormat *oformat;

libavformat/avienc.c

@@ -182,7 +182,7 @@ unsigned int codec_get_tag(const CodecTag *tags, int id)
     return 0;
 }
 
-static unsigned int codec_get_asf_tag(const CodecTag *tags, int id)
+static unsigned int codec_get_asf_tag(const CodecTag *tags, unsigned int id)
 {
     while (tags->id != 0) {
         if (!tags->invalid_asf && tags->id == id)

libavformat/mov.c

@@ -239,7 +239,7 @@ typedef struct MOVStreamContext {
     long current_sample;
     long left_in_chunk; /* how many samples before next chunk */
     /* specific MPEG4 header which is added at the beginning of the stream */
-    int header_len;
+    unsigned int header_len;
     uint8_t *header_data;
     MOV_esds_t esds;
 } MOVStreamContext;