[SCM] libav/experimental: More simplifications of ra144_decode_frame()

siretart at users.alioth.debian.org siretart at users.alioth.debian.org
Sun Jun 30 16:21:12 UTC 2013


The following commit has been merged in the experimental branch:
commit c2c237a0d55ce1f0a57d66b9f051d1ca9556a792
Author: Vitor Sessak <vitor1001 at gmail.com>
Date:   Sat May 24 09:17:30 2008 +0000

    More simplifications of ra144_decode_frame()
    
    Originally committed as revision 13275 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c
index a3e0cd5..07431bf 100644
--- a/libavcodec/ra144.c
+++ b/libavcodec/ra144.c
@@ -365,7 +365,6 @@ static int ra144_decode_frame(AVCodecContext * avctx,
     static const uint8_t sizes[10] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};
     unsigned int a, c;
     int i;
-    signed short *shptr;
     int16_t *data = vdata;
     unsigned int val;
 
@@ -397,15 +396,12 @@ static int ra144_decode_frame(AVCodecContext * avctx,
 
     /* do output */
     for (c=0; c<4; c++) {
-        unsigned int gval = glob->gbuf1[c];
-        unsigned short *gsp = glob->gbuf2[c];
-        signed short output_buffer[40];
+        do_output_subblock(glob, glob->gbuf2[c], glob->gbuf1[c], data, &gb);
 
-        do_output_subblock(glob, gsp, gval, output_buffer, &gb);
-
-        shptr = output_buffer;
-        while (shptr < output_buffer + BLOCKSIZE)
-            *data++ = av_clip_int16(*(shptr++) << 2);
+        for (i=0; i<BLOCKSIZE; i++) {
+            *data = av_clip_int16(*data << 2);
+            data++;
+        }
     }
 
     glob->oldval = val;

-- 
Libav/FFmpeg packaging



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