diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 3c4e2f8..5cfd1bf 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -142,7 +142,7 @@ OBJS-$(CONFIG_FFV1_DECODER)            += ffv1.o rangecoder.o
 OBJS-$(CONFIG_FFV1_ENCODER)            += ffv1.o rangecoder.o
 OBJS-$(CONFIG_FFVHUFF_DECODER)         += huffyuv.o
 OBJS-$(CONFIG_FFVHUFF_ENCODER)         += huffyuv.o
-OBJS-$(CONFIG_FLAC_DECODER)            += flacdec.o flacdata.o flac.o
+OBJS-$(CONFIG_FLAC_DECODER)            += flacdec.o flacdata.o flac.o vorbis_data.o
 OBJS-$(CONFIG_FLAC_ENCODER)            += flacenc.o flacdata.o flac.o
 OBJS-$(CONFIG_FLASHSV_DECODER)         += flashsv.o
 OBJS-$(CONFIG_FLASHSV_ENCODER)         += flashsvenc.o
diff --git a/libavcodec/flac.c b/libavcodec/flac.c
index e6a427a..397155e 100644
--- a/libavcodec/flac.c
+++ b/libavcodec/flac.c
@@ -22,6 +22,7 @@
 #include "libavutil/crc.h"
 #include "flac.h"
 #include "flacdata.h"
+#include "vorbis.h"
 
 static const int8_t sample_size_table[] = { 0, 8, 12, 0, 16, 20, 24, 0 };
 
@@ -54,9 +55,12 @@ int ff_flac_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb,
     fi->ch_mode = get_bits(gb, 4);
     if (fi->ch_mode < FLAC_MAX_CHANNELS) {
         fi->channels = fi->ch_mode + 1;
+        if (fi->ch_mode <= 5)
+            avctx->channel_layout = ff_vorbis_channel_layouts[fi->ch_mode];
         fi->ch_mode = FLAC_CHMODE_INDEPENDENT;
     } else if (fi->ch_mode <= FLAC_CHMODE_MID_SIDE) {
         fi->channels = 2;
+        avctx->channel_layout = AV_CH_LAYOUT_STEREO;
     } else {
         av_log(avctx, AV_LOG_ERROR + log_level_offset,
                "invalid channel mode: %d\n", fi->ch_mode);
diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index c90285a..58235c8 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -133,6 +133,9 @@ typedef struct MLPDecodeContext {
     //! Index of the last substream to decode - further substreams are skipped.
     uint8_t     max_decoded_substream;
 
+    //! Stream needs channel reordering to comply with FFmpeg's channel order
+    uint8_t     needs_reordering;
+
     //! number of PCM samples contained in each frame
     int         access_unit_size;
     //! next power of two above the number of samples in each frame
@@ -326,6 +329,8 @@ static int read_major_sync(MLPDecodeContext *m, GetBitContext *gb)
     for (substr = 0; substr < MAX_SUBSTREAMS; substr++)
         m->substream[substr].restart_seen = 0;
 
+    m->needs_reordering = mh.channels_mlp >= 18 && mh.channels_mlp <= 20;
+
     return 0;
 }
 
@@ -436,6 +441,24 @@ static int read_restart_header(MLPDecodeContext *m, GetBitContext *gbp,
         s->ch_assign[ch_assign] = ch;
     }
 
+    if (m->avctx->codec_id == CODEC_ID_MLP && m->needs_reordering) {
+        if (m->avctx->channel_layout == (AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY) ||
+            m->avctx->channel_layout == AV_CH_LAYOUT_5POINT0) {
+            int i = s->ch_assign[4];
+            s->ch_assign[4] = s->ch_assign[3];
+            s->ch_assign[3] = s->ch_assign[2];
+            s->ch_assign[2] = i;
+        } else if (m->avctx->channel_layout == AV_CH_LAYOUT_5POINT1) {
+            FFSWAP(int, s->ch_assign[2], s->ch_assign[4]);
+            FFSWAP(int, s->ch_assign[3], s->ch_assign[5]);
+        }
+    }
+    if (m->avctx->codec_id == CODEC_ID_TRUEHD &&
+        m->avctx->channel_layout == AV_CH_LAYOUT_7POINT1) {
+        FFSWAP(int, s->ch_assign[4], s->ch_assign[6]);
+        FFSWAP(int, s->ch_assign[5], s->ch_assign[7]);
+    }
+
     checksum = ff_mlp_restart_checksum(buf, get_bits_count(gbp) - start_count);
 
     if (checksum != get_bits(gbp, 8))