Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / flacdec.c

diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index 7454d8b7f752aea09584fa11cfb97d1251eea914..82c4e807dd673d6e65685e15784bd703051952e5 100644 (file)
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -2,20 +2,20 @@
  * FLAC (Free Lossless Audio Codec) decoder
  * Copyright (c) 2003 Alex Beregszaszi
  *
- * 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
  */
 
@@ -33,6 +33,7 @@
 
 #include <limits.h>
 
+#include "libavutil/audioconvert.h"
 #include "libavutil/crc.h"
 #include "avcodec.h"
 #include "internal.h"
@@ -62,6 +63,15 @@ typedef struct FLACContext {
     int32_t *decoded[FLAC_MAX_CHANNELS];    ///< decoded samples
 } FLACContext;
 
+static const int64_t flac_channel_layouts[6] = {
+    AV_CH_LAYOUT_MONO,
+    AV_CH_LAYOUT_STEREO,
+    AV_CH_LAYOUT_SURROUND,
+    AV_CH_LAYOUT_QUAD,
+    AV_CH_LAYOUT_5POINT0,
+    AV_CH_LAYOUT_5POINT1
+};
+
 static void allocate_buffers(FLACContext *s);
 
 int avpriv_flac_is_extradata_valid(AVCodecContext *avctx,
@@ -120,6 +130,9 @@ static av_cold int flac_decode_init(AVCodecContext *avctx)
     avcodec_get_frame_defaults(&s->frame);
     avctx->coded_frame = &s->frame;
 
+    if (avctx->channels <= FF_ARRAY_ELEMS(flac_channel_layouts))
+        avctx->channel_layout = flac_channel_layouts[avctx->channels - 1];
+
     return 0;
 }
 
@@ -676,5 +689,5 @@ AVCodec ff_flac_decoder = {
     .close          = flac_decode_close,
     .decode         = flac_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .long_name= NULL_IF_CONFIG_SMALL("FLAC (Free Lossless Audio Codec)"),
+    .long_name      = NULL_IF_CONFIG_SMALL("FLAC (Free Lossless Audio Codec)"),
 };