Remove unnecessary parentheses from return calls.

Originally committed as revision 13069 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/imgconvert.c

@@ -1362,7 +1362,7 @@ void ff_shrink88(uint8_t *dst, int dst_wrap,
 /* this is maybe slow, but allows for extensions */
 static inline unsigned char gif_clut_index(uint8_t r, uint8_t g, uint8_t b)
 {
-    return ((((r)/47)%6)*6*6+(((g)/47)%6)*6+(((b)/47)%6));
+    return (((r) / 47) % 6) * 6 * 6 + (((g) / 47) % 6) * 6 + (((b) / 47) % 6);
 }
 
 static void build_rgb_palette(uint8_t *palette, int has_alpha)

libavcodec/libamr.c

@@ -112,7 +112,7 @@ static int getBitrateMode(int bitrate)
     {
         if(rates[i].rate==bitrate)
         {
-            return(rates[i].mode);
+            return rates[i].mode;
         }
     }
     /* no bitrate matching, return an error */
@@ -559,7 +559,7 @@ static int getWBBitrateMode(int bitrate)
     {
         if(rates[i].rate==bitrate)
         {
-            return(rates[i].mode);
+            return rates[i].mode;
         }
     }
     /* no bitrate matching, return an error */

libavcodec/loco.c

@@ -152,7 +152,7 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh
         data += stride;
     }
 
-    return ((get_bits_count(&rc.gb) + 7) >> 3);
+    return (get_bits_count(&rc.gb) + 7) >> 3;
 }
 
 static int decode_frame(AVCodecContext *avctx,

libavcodec/pcm.c

@@ -56,7 +56,7 @@ static av_cold int alaw2linear(unsigned char a_val)
         if(seg) t= (t + t + 1 + 32) << (seg + 2);
         else    t= (t + t + 1     ) << 3;
 
-        return ((a_val & SIGN_BIT) ? t : -t);
+        return (a_val & SIGN_BIT) ? t : -t;
 }
 
 static av_cold int ulaw2linear(unsigned char u_val)
@@ -73,7 +73,7 @@ static av_cold int ulaw2linear(unsigned char u_val)
         t = ((u_val & QUANT_MASK) << 3) + BIAS;
         t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT;
 
-        return ((u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS));
+        return (u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS);
 }
 
 /* 16384 entries per table */

libavcodec/pnm.c

@@ -23,7 +23,7 @@
 
 static inline int pnm_space(int c)
 {
-    return (c == ' ' || c == '\n' || c == '\r' || c == '\t');
+    return c == ' ' || c == '\n' || c == '\r' || c == '\t';
 }
 
 static void pnm_get(PNMContext *sc, char *str, int buf_size)

libavcodec/ppc/check_altivec.c

@@ -52,7 +52,7 @@ int has_altivec(void)
 
     err = sysctl(sels, 2, &has_vu, &len, NULL, 0);
 
-    if (err == 0) return (has_vu != 0);
+    if (err == 0) return has_vu != 0;
     return 0;
 #elif defined(RUNTIME_CPUDETECT)
     int proc_ver;

libavcodec/rv34.c

@@ -1186,7 +1186,7 @@ static int rv34_decode_slice(RV34DecContext *r, int end, uint8_t* buf, int buf_s
     }
     ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
 
-    return (s->mb_y == s->mb_height);
+    return s->mb_y == s->mb_height;
 }
 
 /** @} */ // recons group end

libavcodec/svq1enc.c

@@ -551,7 +551,7 @@ static int svq1_encode_frame(AVCodecContext *avctx, unsigned char *buf,
 
     flush_put_bits(&s->pb);
 
-    return (put_bits_count(&s->pb) / 8);
+    return put_bits_count(&s->pb) / 8;
 }
 
 static av_cold int svq1_encode_end(AVCodecContext *avctx)

libavcodec/truemotion1.c

@@ -176,7 +176,7 @@ static int make_ydt15_entry(int p1, int p2, int16_t *ydt)
     lo += (lo << 5) + (lo << 10);
     hi = ydt[p2];
     hi += (hi << 5) + (hi << 10);
-    return ((lo + (hi << 16)) << 1);
+    return (lo + (hi << 16)) << 1;
 }
 
 #ifdef WORDS_BIGENDIAN
@@ -190,7 +190,7 @@ static int make_cdt15_entry(int p1, int p2, int16_t *cdt)
     b = cdt[p2];
     r = cdt[p1] << 10;
     lo = b + r;
-    return ((lo + (lo << 16)) << 1);
+    return (lo + (lo << 16)) << 1;
 }
 
 #ifdef WORDS_BIGENDIAN
@@ -205,7 +205,7 @@ static int make_ydt16_entry(int p1, int p2, int16_t *ydt)
     lo += (lo << 6) + (lo << 11);
     hi = ydt[p2];
     hi += (hi << 6) + (hi << 11);
-    return ((lo + (hi << 16)) << 1);
+    return (lo + (hi << 16)) << 1;
 }
 
 #ifdef WORDS_BIGENDIAN
@@ -219,7 +219,7 @@ static int make_cdt16_entry(int p1, int p2, int16_t *cdt)
     b = cdt[p2];
     r = cdt[p1] << 11;
     lo = b + r;
-    return ((lo + (lo << 16)) << 1);
+    return (lo + (lo << 16)) << 1;
 }
 
 #ifdef WORDS_BIGENDIAN
@@ -232,7 +232,7 @@ static int make_ydt24_entry(int p1, int p2, int16_t *ydt)
 
     lo = ydt[p1];
     hi = ydt[p2];
-    return ((lo + (hi << 8) + (hi << 16)) << 1);
+    return (lo + (hi << 8) + (hi << 16)) << 1;
 }
 
 #ifdef WORDS_BIGENDIAN
@@ -245,7 +245,7 @@ static int make_cdt24_entry(int p1, int p2, int16_t *cdt)
 
     b = cdt[p2];
     r = cdt[p1]<<16;
-    return ((b+r) << 1);
+    return (b+r) << 1;
 }
 
 static void gen_vector_table15(TrueMotion1Context *s, const uint8_t *sel_vector_table)

libavcodec/truemotion2.c

@@ -232,7 +232,7 @@ static inline int tm2_read_header(TM2Context *ctx, const uint8_t *buf)
         return -1;
     }
 
-    return (buf - obuf);
+    return buf - obuf;
 }
 
 static int tm2_read_deltas(TM2Context *ctx, int stream_id) {

libavcodec/vmdav.c

@@ -162,13 +162,13 @@ static int rle_unpack(const unsigned char *src, unsigned char *dest,
         if (l & 0x80) {
             l = (l & 0x7F) * 2;
             if (pd + l > dest_end)
-                return (ps - src);
+                return ps - src;
             memcpy(pd, ps, l);
             ps += l;
             pd += l;
         } else {
             if (pd + i > dest_end)
-                return (ps - src);
+                return ps - src;
             for (i = 0; i < l; i++) {
                 *pd++ = ps[0];
                 *pd++ = ps[1];
@@ -178,7 +178,7 @@ static int rle_unpack(const unsigned char *src, unsigned char *dest,
         i += l;
     } while (i < src_len);
 
-    return (ps - src);
+    return ps - src;
 }
 
 static void vmd_decode(VmdVideoContext *s)

libavcodec/vorbis.c

@@ -40,7 +40,7 @@ unsigned int ff_vorbis_nth_root(unsigned int x, unsigned int n) {   // x^(1/n)
         for(i=0,j=ret;i<n-1;i++) j*=ret;
     } while (j<=x);
 
-    return (ret-1);
+    return ret - 1;
 }
 
 // Generate vlc codes from vorbis huffman code lengths

libavformat/bethsoftvid.c

@@ -202,7 +202,7 @@ static int vid_read_packet(AVFormatContext *s,
             audio_length = get_le16(pb);
             ret_value = av_get_packet(pb, pkt, audio_length);
             pkt->stream_index = 1;
-            return (ret_value != audio_length ? AVERROR(EIO) : ret_value);
+            return ret_value != audio_length ? AVERROR(EIO) : ret_value;
 
         case VIDEO_P_FRAME:
         case VIDEO_YOFF_P_FRAME:

libavformat/dv.c

@@ -87,7 +87,7 @@ static const uint8_t* dv_extract_pack(uint8_t* frame, enum dv_pack_type t)
           return NULL;
     }
 
-    return (frame[offs] == t ? &frame[offs] : NULL);
+    return frame[offs] == t ? &frame[offs] : NULL;
 }
 
 /*

libavformat/gif.c

@@ -236,7 +236,7 @@ static int gif_image_write_header(ByteIOContext *pb,
 /* this is maybe slow, but allows for extensions */
 static inline unsigned char gif_clut_index(uint8_t r, uint8_t g, uint8_t b)
 {
-    return ((((r)/47)%6)*6*6+(((g)/47)%6)*6+(((b)/47)%6));
+    return (((r) / 47) % 6) * 6 * 6 + (((g) / 47) % 6) * 6 + (((b) / 47) % 6);
 }
 
 

libavformat/movenc.c

@@ -1247,7 +1247,7 @@ static int ascii_to_wc (ByteIOContext *pb, const uint8_t *b)
 
 static uint16_t language_code (const char *str)
 {
-    return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
+    return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
 }
 
 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)

libavformat/mp3.c

@@ -160,7 +160,7 @@ static const char *id3v1_genre_str[ID3v1_GENRE_MAX + 1] = {
 /* buf must be ID3v2_HEADER_SIZE byte long */
 static int id3v2_match(const uint8_t *buf)
 {
-    return (buf[0] == 'I' &&
+    return  buf[0] == 'I' &&
             buf[1] == 'D' &&
             buf[2] == '3' &&
             buf[3] != 0xff &&
@@ -168,7 +168,7 @@ static int id3v2_match(const uint8_t *buf)
             (buf[6] & 0x80) == 0 &&
             (buf[7] & 0x80) == 0 &&
             (buf[8] & 0x80) == 0 &&
-            (buf[9] & 0x80) == 0);
+            (buf[9] & 0x80) == 0;
 }
 
 static unsigned int id3v2_get_size(ByteIOContext *s, int len)

libavformat/mpegts.c

@@ -227,7 +227,7 @@ static int discard_pid(MpegTSContext *ts, unsigned int pid)
         }
     }
 
-    return (!used && discarded);
+    return !used && discarded;
 }
 
 /**

libavformat/mtv.c

@@ -124,7 +124,7 @@ static int mtv_read_header(AVFormatContext *s, AVFormatParameters *ap)
     if(url_fseek(pb, MTV_HEADER_SIZE, SEEK_SET) != MTV_HEADER_SIZE)
         return AVERROR(EIO);
 
-    return(0);
+    return 0;
 
 }
 
@@ -171,7 +171,7 @@ static int mtv_read_packet(AVFormatContext *s, AVPacket *pkt)
         pkt->stream_index = VIDEO_SID;
     }
 
-    return(ret);
+    return ret;
 }
 
 AVInputFormat mtv_demuxer = {

libavformat/rtsp.c

@@ -90,7 +90,7 @@ static int rtsp_probe(AVProbeData *p)
 
 static int redir_isspace(int c)
 {
-    return (c == ' ' || c == '\t' || c == '\n' || c == '\r');
+    return c == ' ' || c == '\t' || c == '\n' || c == '\r';
 }
 
 static void skip_spaces(const char **pp)

libavformat/utils.c

@@ -1690,7 +1690,7 @@ static int has_codec_parameters(AVCodecContext *enc)
         val = 1;
         break;
     }
-    return (enc->codec_id != CODEC_ID_NONE && val != 0);
+    return enc->codec_id != CODEC_ID_NONE && val != 0;
 }
 
 static int try_decode_frame(AVStream *st, const uint8_t *data, int size)

libavutil/base64.c

@@ -61,7 +61,7 @@ int av_base64_decode(uint8_t * out, const char *in, int out_length)
         }
     }
 
-    return (dst - out);
+    return dst - out;
 }
 
 /*****************************************************************************