bandaid fix for broken shared library installation

[ffmpeg] / libavcodec / wma.c

diff --git a/libavcodec/wma.c b/libavcodec/wma.c
index 0c9051c99b286374f065d655adddb78eff8631d4..e257aed319322ee0c15fd71db20c96f67e60d116 100644 (file)
--- a/libavcodec/wma.c
+++ b/libavcodec/wma.c
@@ -64,7 +64,7 @@ static void init_coef_vlc(VLC *vlc,
 
 int ff_wma_init(AVCodecContext * avctx, int flags2)
 {
-    WMADecodeContext *s = avctx->priv_data;
+    WMACodecContext *s = avctx->priv_data;
     int i;
     float *window;
     float bps1, high_freq;
@@ -72,6 +72,11 @@ int ff_wma_init(AVCodecContext * avctx, int flags2)
     int sample_rate1;
     int coef_vlc_table;
 
+    if(   avctx->sample_rate<=0 || avctx->sample_rate>50000
+       || avctx->channels<=0 || avctx->channels>8
+       || avctx->bit_rate<=0)
+        return -1;
+
     s->sample_rate = avctx->sample_rate;
     s->nb_channels = avctx->channels;
     s->bit_rate = avctx->bit_rate;
@@ -171,13 +176,13 @@ int ff_wma_init(AVCodecContext * avctx, int flags2)
             high_freq = high_freq * 0.5;
         }
     }
-    dprintf("flags1=0x%x flags2=0x%x\n", flags1, flags2);
-    dprintf("version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\n",
+    dprintf(s->avctx, "flags2=0x%x\n", flags2);
+    dprintf(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\n",
            s->version, s->nb_channels, s->sample_rate, s->bit_rate,
            s->block_align);
-    dprintf("bps=%f bps1=%f high_freq=%f bitoffset=%d\n",
+    dprintf(s->avctx, "bps=%f bps1=%f high_freq=%f bitoffset=%d\n",
            bps, bps1, high_freq, s->byte_offset_bits);
-    dprintf("use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\n",
+    dprintf(s->avctx, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\n",
            s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes);
 
     /* compute the scale factor band sizes for each MDCT block size */
@@ -302,7 +307,7 @@ int ff_wma_init(AVCodecContext * avctx, int flags2)
         window = av_malloc(sizeof(float) * n);
         alpha = M_PI / (2.0 * n);
         for(j=0;j<n;j++) {
-            window[n - j - 1] = sin((j + 0.5) * alpha);
+            window[j] = sin((j + 0.5) * alpha);
         }
         s->windows[i] = window;
     }
@@ -362,7 +367,7 @@ int ff_wma_total_gain_to_bits(int total_gain){
 
 int ff_wma_end(AVCodecContext *avctx)
 {
-    WMADecodeContext *s = avctx->priv_data;
+    WMACodecContext *s = avctx->priv_data;
     int i;
 
     for(i = 0; i < s->nb_block_sizes; i++)
@@ -380,6 +385,7 @@ int ff_wma_end(AVCodecContext *avctx)
         free_vlc(&s->coef_vlc[i]);
         av_free(s->run_table[i]);
         av_free(s->level_table[i]);
+        av_free(s->int_table[i]);
     }
 
     return 0;