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[paraslash.git] / wmadec_filter.c

diff --git a/wmadec_filter.c b/wmadec_filter.c
index 7b4b1a28183d0b242eae01c7dafc8b799eb4dc17..edf50cb0b3834d8971fe9602f6528e2f2bd86e5d 100644 (file)
--- 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 */