[FFmpeg-cvslog] alac: avoid using a double-negative when checking if the frame is compressed

Justin Ruggles git at videolan.org
Thu Jul 19 23:35:54 CEST 2012


ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Mon Jul  9 13:05:35 2012 -0400| [46043962eaf2a8f29290e9ffc19829fceb53f304] | committer: Justin Ruggles

alac: avoid using a double-negative when checking if the frame is compressed

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=46043962eaf2a8f29290e9ffc19829fceb53f304
---

 libavcodec/alac.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index 474531b..f803f9a 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -298,7 +298,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
     unsigned int outputsamples;
     int hassize;
     unsigned int readsamplesize;
-    int isnotcompressed;
+    int is_compressed;
     uint8_t interlacing_shift;
     uint8_t interlacing_leftweight;
     int i, ch, ret;
@@ -320,7 +320,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
     alac->extra_bits = get_bits(&alac->gb, 2) << 3;
 
     /* whether the frame is compressed */
-    isnotcompressed = get_bits1(&alac->gb);
+    is_compressed = !get_bits1(&alac->gb);
 
     if (hassize) {
         /* now read the number of samples as a 32bit integer */
@@ -350,8 +350,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
         return -1;
     }
 
-    if (!isnotcompressed) {
-        /* so it is compressed */
+    if (is_compressed) {
         int16_t predictor_coef_table[MAX_CHANNELS][32];
         int predictor_coef_num[MAX_CHANNELS];
         int prediction_type[MAX_CHANNELS];



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