diff --git a/doc/APIchanges b/doc/APIchanges
index c4e77907bb..575a11dff5 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,9 @@ libavutil:     2012-10-22
 
 API changes, most recent first:
 
+2014-xx-xx - xxxxxxx - lavc 55.57.0 - avcodec.h
+  Add AV_CODEC_PROP_REORDER to mark codecs supporting frame reordering.
+
 2014-07-27 - XXXXXXX - lavc 55.70.100 - avdct.h
   Add AVDCT / avcodec_dct_alloc() / avcodec_dct_init().
 
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index ba1873137d..edd918cd3d 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -595,6 +595,16 @@ typedef struct AVCodecDescriptor {
  * Codec supports lossless compression. Audio and video codecs only.
  */
 #define AV_CODEC_PROP_LOSSLESS      (1 << 2)
+/**
+ * Codec supports frame reordering. That is, the coded order (the order in which
+ * the encoded packets are output by the encoders / stored / input to the
+ * decoders) may be different from the presentation order of the corresponding
+ * frames.
+ *
+ * For codecs that do not have this property set, PTS and DTS should always be
+ * equal.
+ */
+#define AV_CODEC_PROP_REORDER       (1 << 3)
 /**
  * Subtitle codec is bitmap based
  * Decoded AVSubtitle data can be read from the AVSubtitleRect->pict field.
diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index 4906a0a21d..9e9728b7bc 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -35,14 +35,14 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "mpeg1video",
         .long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_MPEG2VIDEO,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "mpeg2video",
         .long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
 #if FF_API_XVMC
     {
@@ -65,7 +65,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "h263",
         .long_name = NULL_IF_CONFIG_SMALL("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_RV10,
@@ -79,7 +79,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "rv20",
         .long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_MJPEG,
@@ -101,7 +101,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "mpeg4",
         .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_RAWVIDEO,
@@ -150,14 +150,14 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "h263p",
         .long_name = NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_H263I,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "h263i",
         .long_name = NULL_IF_CONFIG_SMALL("Intel H.263"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_FLV1,
@@ -178,7 +178,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "svq3",
         .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_DVVIDEO,
@@ -206,7 +206,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "h264",
         .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
-        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_INDEO3,
@@ -458,28 +458,28 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "rv30",
         .long_name = NULL_IF_CONFIG_SMALL("RealVideo 3.0"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_RV40,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "rv40",
         .long_name = NULL_IF_CONFIG_SMALL("RealVideo 4.0"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_VC1,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "vc1",
         .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_WMV3,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "wmv3",
         .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_LOCO,
@@ -592,7 +592,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "cavs",
         .long_name = NULL_IF_CONFIG_SMALL("Chinese AVS (Audio Video Standard) (AVS1-P2, JiZhun profile)"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_JPEG2000,
@@ -741,7 +741,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "dirac",
         .long_name = NULL_IF_CONFIG_SMALL("Dirac"),
-        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_BFI,
@@ -1201,7 +1201,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "hevc",
         .long_name = NULL_IF_CONFIG_SMALL("H.265 / HEVC (High Efficiency Video Coding)"),
-        .props     = AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
     },
     {
         .id        = AV_CODEC_ID_FIC,
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 5285298949..c341a01ee8 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR  70
+#define LIBAVCODEC_VERSION_MINOR  71
 #define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \