paraslash 0.7.3

[paraslash.git] / wmadec_filter.c

diff --git a/wmadec_filter.c b/wmadec_filter.c
index 7b4b1a28183d0b242eae01c7dafc8b799eb4dc17..f2ca273cd08979f33b42ab0a7f84b533fe29a583 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. */
@@ -15,11 +14,8 @@
  * This decoder handles Microsoft Windows Media Audio data version 2.
  */
 
-#define _XOPEN_SOURCE 600
-
 #include <math.h>
 #include <regex.h>
-#include <sys/select.h>
 
 #include "para.h"
 #include "error.h"
@@ -99,8 +95,6 @@ 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. */
@@ -165,8 +159,8 @@ static void init_coef_vlc(struct private_wmadec_data *pwd, int sidx, int didx)
        int i, l, j, k, level, n = src->n;
 
        init_vlc(dst, VLCBITS, n, src->huffbits, src->huffcodes, 4);
-       pwd->run_table[didx] = para_malloc(n * sizeof(uint16_t));
-       pwd->level_table[didx] = para_malloc(n * sizeof(uint16_t));
+       pwd->run_table[didx] = arr_alloc(n, sizeof(uint16_t));
+       pwd->level_table[didx] = arr_alloc(n, sizeof(uint16_t));
        i = 2;
        level = 1;
        k = 0;
@@ -433,7 +427,7 @@ static int wma_decode_init(char *initial_buf, int len, struct private_wmadec_dat
        int ret, i;
 
        PARA_NOTICE_LOG("initial buf: %d bytes\n", len);
-       pwd = para_calloc(sizeof(*pwd));
+       pwd = zalloc(sizeof(*pwd));
        ret = read_asf_header(initial_buf, len, &pwd->ahi);
        if (ret <= 0) {
                free(pwd);
@@ -798,6 +792,7 @@ 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 +830,7 @@ 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 +896,7 @@ 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 +931,7 @@ 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 +959,7 @@ 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 */
@@ -1163,7 +1158,7 @@ static int wmadec_execute(struct btr_node *btrn, const char *cmd, char **result)
 
 #define WMA_OUTPUT_BUFFER_SIZE (128 * 1024)
 
-static int wmadec_post_select(__a_unused struct sched *s, void *context)
+static int wmadec_post_monitor(__a_unused struct sched *s, void *context)
 {
        struct filter_node *fn = context;
        int ret, converted, out_size;
@@ -1181,7 +1176,7 @@ next_buffer:
                return 0;
        btr_merge(btrn, fn->min_iqs);
        len = btr_next_buffer(btrn, &in);
-       ret = -E_WMADEC_EOF;
+       ret = -E_EOF;
        if (len < fn->min_iqs)
                goto err;
        if (!pwd) {
@@ -1201,7 +1196,7 @@ next_buffer:
        if (fn->min_iqs > len)
                goto success;
        out_size = WMA_OUTPUT_BUFFER_SIZE;
-       out = para_malloc(out_size);
+       out = alloc(out_size);
        ret = wma_decode_superframe(pwd, out, &out_size,
                (uint8_t *)in + WMA_FRAME_SKIP);
        if (ret < 0) {
@@ -1233,6 +1228,6 @@ const struct filter lsg_filter_cmd_com_wmadec_user_data = {
        .open = wmadec_open,
        .close = wmadec_close,
        .execute = wmadec_execute,
-       .pre_select = generic_filter_pre_select,
-       .post_select = wmadec_post_select,
+       .pre_monitor = generic_filter_pre_monitor,
+       .post_monitor = wmadec_post_monitor,
 };