X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=wmadec_filter.c;h=edf50cb0b3834d8971fe9602f6528e2f2bd86e5d;hp=7b4b1a28183d0b242eae01c7dafc8b799eb4dc17;hb=53fe3c3cca7caef5565750181daf70aa0598c2a9;hpb=b6fb7ef023664c3276c8113f4a3622e9f09a1430

diff --git a/wmadec_filter.c b/wmadec_filter.c
index 7b4b1a28..edf50cb0 100644
--- a/wmadec_filter.c
+++ b/wmadec_filter.c
@@ -5,8 +5,7 @@
  *
  * Copyright (c) 2002 The FFmpeg Project
  *
- * Licensed under the GNU Lesser General Public License.
- * For licencing details see COPYING.LIB.
+ * Licensed under the GNU Lesser General Public License, see file COPYING.LIB.
  */
 
 /** \file wmadec_filter.c paraslash's WMA decoder. */
@@ -15,8 +14,6 @@
  * This decoder handles Microsoft Windows Media Audio data version 2.
  */
 
-#define _XOPEN_SOURCE 600
-
 #include <math.h>
 #include <regex.h>
 #include <sys/select.h>
@@ -99,8 +96,6 @@ struct private_wmadec_data {
 	int block_len;
 	/** Current position in frame. */
 	int block_pos;
-	/** True if mid/side stereo mode. */
-	uint8_t ms_stereo;
 	/** True if channel is coded. */
 	uint8_t channel_coded[MAX_CHANNELS];
 	/** log2 ratio frame/exp. length. */
@@ -798,6 +793,7 @@ static int wma_decode_block(struct private_wmadec_data *pwd)
 	int ret, n, v, ch, code, bsize;
 	int coef_nb_bits, total_gain;
 	int nb_coefs[MAX_CHANNELS];
+	bool ms_stereo = false; /* mid/side stereo mode */
 
 	/* compute current block length */
 	if (pwd->ahi.use_variable_block_len) {
@@ -835,7 +831,7 @@ static int wma_decode_block(struct private_wmadec_data *pwd)
 		return -E_INCOHERENT_BLOCK_LEN;
 
 	if (pwd->ahi.channels == 2)
-		pwd->ms_stereo = get_bit(&pwd->gb);
+		ms_stereo = get_bit(&pwd->gb);
 	v = 0;
 	for (ch = 0; ch < pwd->ahi.channels; ch++) {
 		int a = get_bit(&pwd->gb);
@@ -901,7 +897,7 @@ static int wma_decode_block(struct private_wmadec_data *pwd)
 		 * special VLC tables are used for ms stereo because there is
 		 * potentially less energy there
 		 */
-		tindex = (ch == 1 && pwd->ms_stereo);
+		tindex = ch == 1 && ms_stereo;
 		coef_vlc = &pwd->coef_vlc[tindex];
 		run_table = pwd->run_table[tindex];
 		level_table = pwd->level_table[tindex];
@@ -936,7 +932,7 @@ static int wma_decode_block(struct private_wmadec_data *pwd)
 		}
 	}
 	compute_mdct_coefficients(pwd, bsize, total_gain, nb_coefs);
-	if (pwd->ms_stereo && pwd->channel_coded[1]) {
+	if (ms_stereo && pwd->channel_coded[1]) {
 		float a, b;
 		int i;
 		/*
@@ -964,7 +960,7 @@ next:
 		n4 = pwd->block_len / 2;
 		if (pwd->channel_coded[ch])
 			imdct(pwd->mdct_ctx[bsize], pwd->output, pwd->coefs[ch]);
-		else if (!(pwd->ms_stereo && ch == 1))
+		else if (!(ms_stereo && ch == 1))
 			memset(pwd->output, 0, sizeof(pwd->output));
 
 		/* multiply by the window and add in the frame */