Change some leftover __attribute__((unused)) and __attribute__((used)) to

attribute_unused and attribute_used respectively to ease compiling on non-gcc.

Originally committed as revision 9024 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/4xm.c

@@ -555,7 +555,7 @@ static int decode_i_frame(FourXContext *f, uint8_t *buf, int length){
     uint16_t *dst= (uint16_t*)f->current_picture.data[0];
     const int stride= f->current_picture.linesize[0]>>1;
     const unsigned int bitstream_size= get32(buf);
-    const int token_count __attribute__((unused)) = get32(buf + bitstream_size + 8);
+    const int token_count attribute_unused = get32(buf + bitstream_size + 8);
     unsigned int prestream_size= 4*get32(buf + bitstream_size + 4);
     uint8_t *prestream= buf + bitstream_size + 12;
 

libavcodec/dvdata.h

@@ -2534,7 +2534,7 @@ static const uint8_t dv_audio_shuffle625[12][9] = {
   {  31,  67, 103,  21,  57,  93,  11,  47,  83},
 };
 
-static const __attribute__((unused)) int dv_audio_frequency[3] = {
+static const attribute_unused int dv_audio_frequency[3] = {
     48000, 44100, 32000,
 };
 

libavcodec/h264.c

@@ -1800,7 +1800,7 @@ static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride
     const int lt= src[-1-1*stride];
     LOAD_TOP_EDGE
     LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu= l3;
+    const attribute_unused int unu= l3;
 
     src[0+0*stride]=
     src[1+2*stride]=(lt + t0 + 1)>>1;
@@ -1823,7 +1823,7 @@ static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride
 static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
     LOAD_TOP_EDGE
     LOAD_TOP_RIGHT_EDGE
-    const __attribute__((unused)) int unu= t7;
+    const attribute_unused int unu= t7;
 
     src[0+0*stride]=(t0 + t1 + 1)>>1;
     src[1+0*stride]=
@@ -1868,7 +1868,7 @@ static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int strid
     const int lt= src[-1-1*stride];
     LOAD_TOP_EDGE
     LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu= t3;
+    const attribute_unused int unu= t3;
 
     src[0+0*stride]=
     src[2+1*stride]=(lt + l0 + 1)>>1;
@@ -5655,7 +5655,7 @@ static inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
     return ctx + 4 * cat;
 }
 
-static const __attribute((used)) uint8_t last_coeff_flag_offset_8x8[63] = {
+static const attribute_used uint8_t last_coeff_flag_offset_8x8[63] = {
     0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
     3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,

libavcodec/i386/dsputil_mmx_rnd.h

@@ -380,7 +380,7 @@ static void DEF(avg, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line
     } while (--h);
 }
 
-static __attribute__((unused)) void DEF(avg, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
+static attribute_unused void DEF(avg, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
 {
     MOVQ_BFE(mm6);
     JUMPALIGN();
@@ -427,7 +427,7 @@ static void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int lin
     } while (--h);
 }
 
-static __attribute__((unused)) void DEF(avg, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
+static attribute_unused void DEF(avg, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
 {
     MOVQ_BFE(mm6);
     JUMPALIGN();

libavcodec/svq3.c

@@ -183,8 +183,8 @@ static void svq3_add_idct_c (uint8_t *dst, DCTELEM *block, int stride, int qp, i
 static void pred4x4_down_left_svq3_c(uint8_t *src, uint8_t *topright, int stride){
     LOAD_TOP_EDGE
     LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu0= t0;
-    const __attribute__((unused)) int unu1= l0;
+    const attribute_unused int unu0= t0;
+    const attribute_unused int unu1= l0;
 
     src[0+0*stride]=(l1 + t1)>>1;
     src[1+0*stride]=