[FFmpeg-cvslog] r15311 - trunk/libavcodec/aac.c

superdump subversion
Sat Sep 13 20:47:43 CEST 2008


Author: superdump
Date: Sat Sep 13 20:47:43 2008
New Revision: 15311

Log:
Correct order of parsing for pulse scalefactor band and offset to match the
specification.

Patch by Alex Converse (alex converse gmail com)


Modified:
   trunk/libavcodec/aac.c

Modified: trunk/libavcodec/aac.c
==============================================================================
--- trunk/libavcodec/aac.c	(original)
+++ trunk/libavcodec/aac.c	Sat Sep 13 20:47:43 2008
@@ -597,7 +597,7 @@ static int decode_scalefactors(AACContex
 static void decode_pulses(Pulse * pulse, GetBitContext * gb, const uint16_t * swb_offset) {
     int i;
     pulse->num_pulse = get_bits(gb, 2) + 1;
-    pulse->pos[0]    = get_bits(gb, 5) + swb_offset[get_bits(gb, 6)];
+    pulse->pos[0]    = swb_offset[get_bits(gb, 6)] + get_bits(gb, 5);
     pulse->amp[0]    = get_bits(gb, 4);
     for (i = 1; i < pulse->num_pulse; i++) {
         pulse->pos[i] = get_bits(gb, 5) + pulse->pos[i-1];




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