diff --git a/libavcodec/tta.c b/libavcodec/tta.c
index eed5a08cd3..fa599b8828 100644
--- a/libavcodec/tta.c
+++ b/libavcodec/tta.c
@@ -284,116 +284,116 @@ static int tta_decode_frame(AVCodecContext *avctx,
 
     init_get_bits(&s->gb, buf, buf_size*8);
 
-        // FIXME: seeking
-        s->total_frames--;
-        if (!s->total_frames && s->last_frame_length)
-            framelen = s->last_frame_length;
+    // FIXME: seeking
+    s->total_frames--;
+    if (!s->total_frames && s->last_frame_length)
+        framelen = s->last_frame_length;
 
-        if (*data_size < (framelen * s->channels * 2)) {
-            av_log(avctx, AV_LOG_ERROR, "Output buffer size is too small.\n");
+    if (*data_size < (framelen * s->channels * 2)) {
+        av_log(avctx, AV_LOG_ERROR, "Output buffer size is too small.\n");
+        return -1;
+    }
+
+    // init per channel states
+    for (i = 0; i < s->channels; i++) {
+        s->ch_ctx[i].predictor = 0;
+        ttafilter_init(&s->ch_ctx[i].filter, ttafilter_configs[s->bps-1][0], ttafilter_configs[s->bps-1][1]);
+        rice_init(&s->ch_ctx[i].rice, 10, 10);
+    }
+
+    for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) {
+        int32_t *predictor = &s->ch_ctx[cur_chan].predictor;
+        TTAFilter *filter = &s->ch_ctx[cur_chan].filter;
+        TTARice *rice = &s->ch_ctx[cur_chan].rice;
+        uint32_t unary, depth, k;
+        int32_t value;
+
+        unary = tta_get_unary(&s->gb);
+
+        if (unary == 0) {
+            depth = 0;
+            k = rice->k0;
+        } else {
+            depth = 1;
+            k = rice->k1;
+            unary--;
+        }
+
+        if (get_bits_left(&s->gb) < k)
             return -1;
-        }
 
-        // init per channel states
-        for (i = 0; i < s->channels; i++) {
-            s->ch_ctx[i].predictor = 0;
-            ttafilter_init(&s->ch_ctx[i].filter, ttafilter_configs[s->bps-1][0], ttafilter_configs[s->bps-1][1]);
-            rice_init(&s->ch_ctx[i].rice, 10, 10);
-        }
-
-        for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) {
-            int32_t *predictor = &s->ch_ctx[cur_chan].predictor;
-            TTAFilter *filter = &s->ch_ctx[cur_chan].filter;
-            TTARice *rice = &s->ch_ctx[cur_chan].rice;
-            uint32_t unary, depth, k;
-            int32_t value;
-
-            unary = tta_get_unary(&s->gb);
-
-            if (unary == 0) {
-                depth = 0;
-                k = rice->k0;
-            } else {
-                depth = 1;
-                k = rice->k1;
-                unary--;
-            }
-
-            if (get_bits_left(&s->gb) < k)
+        if (k) {
+            if (k > MIN_CACHE_BITS)
                 return -1;
+            value = (unary << k) + get_bits(&s->gb, k);
+        } else
+            value = unary;
 
-            if (k) {
-                if (k > MIN_CACHE_BITS)
-                    return -1;
-                value = (unary << k) + get_bits(&s->gb, k);
-            } else
-                value = unary;
+        // FIXME: copy paste from original
+        switch (depth) {
+        case 1:
+            rice->sum1 += value - (rice->sum1 >> 4);
+            if (rice->k1 > 0 && rice->sum1 < shift_16[rice->k1])
+                rice->k1--;
+            else if(rice->sum1 > shift_16[rice->k1 + 1])
+                rice->k1++;
+            value += shift_1[rice->k0];
+        default:
+            rice->sum0 += value - (rice->sum0 >> 4);
+            if (rice->k0 > 0 && rice->sum0 < shift_16[rice->k0])
+                rice->k0--;
+            else if(rice->sum0 > shift_16[rice->k0 + 1])
+                rice->k0++;
+        }
 
-            // FIXME: copy paste from original
-            switch (depth) {
-            case 1:
-                rice->sum1 += value - (rice->sum1 >> 4);
-                if (rice->k1 > 0 && rice->sum1 < shift_16[rice->k1])
-                    rice->k1--;
-                else if(rice->sum1 > shift_16[rice->k1 + 1])
-                    rice->k1++;
-                value += shift_1[rice->k0];
-            default:
-                rice->sum0 += value - (rice->sum0 >> 4);
-                if (rice->k0 > 0 && rice->sum0 < shift_16[rice->k0])
-                    rice->k0--;
-                else if(rice->sum0 > shift_16[rice->k0 + 1])
-                    rice->k0++;
-            }
-
-            // extract coded value
+        // extract coded value
 #define UNFOLD(x) (((x)&1) ? (++(x)>>1) : (-(x)>>1))
-            *p = UNFOLD(value);
+        *p = UNFOLD(value);
 
-            // run hybrid filter
-            ttafilter_process(filter, p, 0);
+        // run hybrid filter
+        ttafilter_process(filter, p, 0);
 
-            // fixed order prediction
+        // fixed order prediction
 #define PRED(x, k) (int32_t)((((uint64_t)x << k) - x) >> k)
-            switch (s->bps) {
-                case 1: *p += PRED(*predictor, 4); break;
-                case 2:
-                case 3: *p += PRED(*predictor, 5); break;
-                case 4: *p += *predictor; break;
-            }
-            *predictor = *p;
-
-            // flip channels
-            if (cur_chan < (s->channels-1))
-                cur_chan++;
-            else {
-                // decorrelate in case of stereo integer
-                if (s->channels > 1) {
-                    int32_t *r = p - 1;
-                    for (*p += *r / 2; r > p - s->channels; r--)
-                        *r = *(r + 1) - *r;
-                }
-                cur_chan = 0;
-            }
+        switch (s->bps) {
+            case 1: *p += PRED(*predictor, 4); break;
+            case 2:
+            case 3: *p += PRED(*predictor, 5); break;
+            case 4: *p += *predictor; break;
         }
+        *predictor = *p;
 
-        if (get_bits_left(&s->gb) < 32)
-            return -1;
-        skip_bits(&s->gb, 32); // frame crc
-
-        // convert to output buffer
-        switch(s->bps) {
-            case 2: {
-                uint16_t *samples = data;
-                for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) {
-                    *samples++ = *p;
-                }
-                *data_size = (uint8_t *)samples - (uint8_t *)data;
-                break;
+        // flip channels
+        if (cur_chan < (s->channels-1))
+            cur_chan++;
+        else {
+            // decorrelate in case of stereo integer
+            if (s->channels > 1) {
+                int32_t *r = p - 1;
+                for (*p += *r / 2; r > p - s->channels; r--)
+                    *r = *(r + 1) - *r;
             }
-            default:
-                av_log(s->avctx, AV_LOG_ERROR, "Error, only 16bit samples supported!\n");
+            cur_chan = 0;
         }
+    }
+
+    if (get_bits_left(&s->gb) < 32)
+        return -1;
+    skip_bits(&s->gb, 32); // frame crc
+
+    // convert to output buffer
+    switch(s->bps) {
+        case 2: {
+            uint16_t *samples = data;
+            for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) {
+                *samples++ = *p;
+            }
+            *data_size = (uint8_t *)samples - (uint8_t *)data;
+            break;
+        }
+        default:
+            av_log(s->avctx, AV_LOG_ERROR, "Error, only 16bit samples supported!\n");
+    }
 
     return buf_size;
 }