lavc: Check CODEC_CAP_VARIABLE_FRAME_SIZE && !frame

[ffmpeg] / libavcodec / ac3enc.c

diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index c1564d2a3a83816d5c835beadcad331ca1192a32..93a08821be2008f5a855013e5a4736af043702af 100644 (file)
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -4,20 +4,20 @@
  * Copyright (c) 2006-2010 Justin Ruggles <justin.ruggles@gmail.com>
  * Copyright (c) 2006-2010 Prakash Punnoor <prakash@punnoor.de>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -77,7 +77,7 @@ static uint8_t exponent_group_tab[2][3][256];
 /**
  * List of supported channel layouts.
  */
-const int64_t ff_ac3_channel_layouts[19] = {
+const uint64_t ff_ac3_channel_layouts[19] = {
      AV_CH_LAYOUT_MONO,
      AV_CH_LAYOUT_STEREO,
      AV_CH_LAYOUT_2_1,
@@ -1210,14 +1210,11 @@ static void quantize_mantissas_blk_ch(AC3Mant *s, int32_t *fixed_coef,
     int i;
 
     for (i = start_freq; i < end_freq; i++) {
-        int v;
         int c = fixed_coef[i];
         int e = exp[i];
-        int b = bap[i];
-        switch (b) {
-        case 0:
-            v = 0;
-            break;
+        int v = bap[i];
+        if (v)
+        switch (v) {
         case 1:
             v = sym_quant(c, e, 3);
             switch (s->mant1_cnt) {
@@ -1286,7 +1283,7 @@ static void quantize_mantissas_blk_ch(AC3Mant *s, int32_t *fixed_coef,
             v = asym_quant(c, e, 16);
             break;
         default:
-            v = asym_quant(c, e, b - 1);
+            v = asym_quant(c, e, v - 1);
             break;
         }
         qmant[i] = v;
@@ -2063,13 +2060,13 @@ av_cold int ff_ac3_encode_close(AVCodecContext *avctx)
  * Set channel information during initialization.
  */
 static av_cold int set_channel_info(AC3EncodeContext *s, int channels,
-                                    int64_t *channel_layout)
+                                    uint64_t *channel_layout)
 {
     int ch_layout;
 
     if (channels < 1 || channels > AC3_MAX_CHANNELS)
         return AVERROR(EINVAL);
-    if ((uint64_t)*channel_layout > 0x7FF)
+    if (*channel_layout > 0x7FF)
         return AVERROR(EINVAL);
     ch_layout = *channel_layout;
     if (!ch_layout)