cosmetics: Drop unnecessary parentheses around return values.

avplay.c

@@ -2343,7 +2343,7 @@ static VideoState *global_video_state;
 
 static int decode_interrupt_cb(void *ctx)
 {
-    return (global_video_state && global_video_state->abort_request);
+    return global_video_state && global_video_state->abort_request;
 }
 
 /* this thread gets the stream from the disk or the network */

cmdutils.c

@@ -914,8 +914,9 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
 
             if (*endptr++ == ':') {
                 int stream_idx = strtol(endptr, NULL, 0);
-                return (stream_idx >= 0 && stream_idx < s->programs[i]->nb_stream_indexes &&
-                        st->index == s->programs[i]->stream_index[stream_idx]);
+                return stream_idx >= 0 &&
+                    stream_idx < s->programs[i]->nb_stream_indexes &&
+                    st->index == s->programs[i]->stream_index[stream_idx];
             }
 
             for (j = 0; j < s->programs[i]->nb_stream_indexes; j++)

libavcodec/atrac3.c

@@ -742,7 +742,7 @@ static int decodeFrame(ATRAC3Context *q, const uint8_t* databuf,
 
         result = decodeChannelSoundUnit(q,&q->gb, q->pUnits, out_samples[0], 0, JOINT_STEREO);
         if (result != 0)
-            return (result);
+            return result;
 
         /* Framedata of the su2 in the joint-stereo mode is encoded in
          * reverse byte order so we need to swap it first. */
@@ -783,7 +783,7 @@ static int decodeFrame(ATRAC3Context *q, const uint8_t* databuf,
         /* Decode Sound Unit 2. */
         result = decodeChannelSoundUnit(q,&q->gb, &q->pUnits[1], out_samples[1], 1, JOINT_STEREO);
         if (result != 0)
-            return (result);
+            return result;
 
         /* Reconstruct the channel coefficients. */
         reverseMatrixing(out_samples[0], out_samples[1], q->matrix_coeff_index_prev, q->matrix_coeff_index_now);
@@ -802,7 +802,7 @@ static int decodeFrame(ATRAC3Context *q, const uint8_t* databuf,
 
             result = decodeChannelSoundUnit(q,&q->gb, &q->pUnits[i], out_samples[i], i, q->codingMode);
             if (result != 0)
-                return (result);
+                return result;
         }
     }
 

libavcodec/dv.c

@@ -757,7 +757,7 @@ static av_always_inline int dv_guess_dct_mode(DVVideoContext *s, uint8_t *data,
         if (ps > 0) {
             int is = s->ildct_cmp(NULL, data           , NULL, linesize<<1, 4) +
                      s->ildct_cmp(NULL, data + linesize, NULL, linesize<<1, 4);
-            return (ps > is);
+            return ps > is;
         }
     }
 

libavcodec/indeo4.c

@@ -148,7 +148,7 @@ static int decode_plane_subdivision(GetBitContext *gb)
 
 static inline int scale_tile_size(int def_size, int size_factor)
 {
-    return (size_factor == 15 ? def_size : (size_factor + 1) << 5);
+    return size_factor == 15 ? def_size : (size_factor + 1) << 5;
 }
 
 /**

libavcodec/ivi_common.h

@@ -195,10 +195,10 @@ typedef struct {
 /** compare some properties of two pictures */
 static inline int ivi_pic_config_cmp(IVIPicConfig *str1, IVIPicConfig *str2)
 {
-    return (str1->pic_width    != str2->pic_width    || str1->pic_height    != str2->pic_height    ||
-            str1->chroma_width != str2->chroma_width || str1->chroma_height != str2->chroma_height ||
-            str1->tile_width   != str2->tile_width   || str1->tile_height   != str2->tile_height   ||
-            str1->luma_bands   != str2->luma_bands   || str1->chroma_bands  != str2->chroma_bands);
+    return str1->pic_width    != str2->pic_width    || str1->pic_height    != str2->pic_height    ||
+           str1->chroma_width != str2->chroma_width || str1->chroma_height != str2->chroma_height ||
+           str1->tile_width   != str2->tile_width   || str1->tile_height   != str2->tile_height   ||
+           str1->luma_bands   != str2->luma_bands   || str1->chroma_bands  != str2->chroma_bands;
 }
 
 /** calculate number of tiles in a stride */

libavcodec/libvorbis.c

@@ -105,7 +105,7 @@ static av_cold int oggvorbis_init_encoder(vorbis_info *vi, AVCodecContext *avcco
 /* How many bytes are needed for a buffer of length 'l' */
 static int xiph_len(int l)
 {
-    return (1 + l / 255 + l);
+    return 1 + l / 255 + l;
 }
 
 static av_cold int oggvorbis_encode_init(AVCodecContext *avccontext)

libavcodec/ra144enc.c

@@ -214,7 +214,7 @@ static int adaptive_cb_search(const int16_t *adapt_cb, float *work,
     ff_celp_lp_synthesis_filterf(work, coefs, exc, BLOCKSIZE, LPC_ORDER);
     for (i = 0; i < BLOCKSIZE; i++)
         data[i] -= best_gain * work[i];
-    return (best_vect - BLOCKSIZE / 2 + 1);
+    return best_vect - BLOCKSIZE / 2 + 1;
 }
 
 

libavcodec/vaapi_mpeg2.c

@@ -26,8 +26,8 @@
 /** Reconstruct bitstream f_code */
 static inline int mpeg2_get_f_code(MpegEncContext *s)
 {
-    return ((s->mpeg_f_code[0][0] << 12) | (s->mpeg_f_code[0][1] << 8) |
-            (s->mpeg_f_code[1][0] <<  4) |  s->mpeg_f_code[1][1]);
+    return (s->mpeg_f_code[0][0] << 12) | (s->mpeg_f_code[0][1] << 8) |
+           (s->mpeg_f_code[1][0] <<  4) |  s->mpeg_f_code[1][1];
 }
 
 /** Determine frame start: first field for field picture or frame picture */

libavcodec/vaapi_vc1.c

@@ -42,10 +42,10 @@ static inline int vc1_has_MVTYPEMB_bitplane(VC1Context *v)
 {
     if (v->mv_type_is_raw)
         return 0;
-    return (v->s.pict_type == AV_PICTURE_TYPE_P &&
-            (v->mv_mode == MV_PMODE_MIXED_MV ||
-             (v->mv_mode == MV_PMODE_INTENSITY_COMP &&
-              v->mv_mode2 == MV_PMODE_MIXED_MV)));
+    return v->s.pict_type == AV_PICTURE_TYPE_P &&
+           (v->mv_mode == MV_PMODE_MIXED_MV ||
+            (v->mv_mode == MV_PMODE_INTENSITY_COMP &&
+             v->mv_mode2 == MV_PMODE_MIXED_MV));
 }
 
 /** Check whether the SKIPMB bitplane is present */
@@ -53,8 +53,8 @@ static inline int vc1_has_SKIPMB_bitplane(VC1Context *v)
 {
     if (v->skip_is_raw)
         return 0;
-    return (v->s.pict_type == AV_PICTURE_TYPE_P ||
-            (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type));
+    return v->s.pict_type == AV_PICTURE_TYPE_P ||
+           (v->s.pict_type == AV_PICTURE_TYPE_B && !v->bi_type);
 }
 
 /** Check whether the DIRECTMB bitplane is present */
@@ -70,9 +70,9 @@ static inline int vc1_has_ACPRED_bitplane(VC1Context *v)
 {
     if (v->acpred_is_raw)
         return 0;
-    return (v->profile == PROFILE_ADVANCED &&
-            (v->s.pict_type == AV_PICTURE_TYPE_I ||
-             (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)));
+    return v->profile == PROFILE_ADVANCED &&
+           (v->s.pict_type == AV_PICTURE_TYPE_I ||
+            (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type));
 }
 
 /** Check whether the OVERFLAGS bitplane is present */
@@ -80,11 +80,11 @@ static inline int vc1_has_OVERFLAGS_bitplane(VC1Context *v)
 {
     if (v->overflg_is_raw)
         return 0;
-    return (v->profile == PROFILE_ADVANCED &&
-            (v->s.pict_type == AV_PICTURE_TYPE_I ||
-             (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)) &&
-            (v->overlap && v->pq <= 8) &&
-            v->condover == CONDOVER_SELECT);
+    return v->profile == PROFILE_ADVANCED &&
+           (v->s.pict_type == AV_PICTURE_TYPE_I ||
+            (v->s.pict_type == AV_PICTURE_TYPE_B && v->bi_type)) &&
+           (v->overlap && v->pq <= 8) &&
+           v->condover == CONDOVER_SELECT;
 }
 
 /** Reconstruct bitstream PTYPE (7.1.1.4, index into Table-35) */

libavfilter/vf_drawtext.c

@@ -429,7 +429,7 @@ static av_cold void uninit(AVFilterContext *ctx)
 
 static inline int is_newline(uint32_t c)
 {
-    return (c == '\n' || c == '\r' || c == '\f' || c == '\v');
+    return c == '\n' || c == '\r' || c == '\f' || c == '\v';
 }
 
 static int dtext_prepare_text(AVFilterContext *ctx)