diff --git a/libavformat/Makefile b/libavformat/Makefile
index cb70eac..1072ff9 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -61,7 +61,7 @@ OBJS-$(CONFIG_RTPDEC)                    += rdt.o                       \
                                             rtpdec_vp9.o                \
                                             rtpdec_xiph.o
 OBJS-$(CONFIG_RTPENC_CHAIN)              += rtpenc_chain.o rtp.o
-OBJS-$(CONFIG_SHARED)                    += log2_tab.o golomb_tab.o
+OBJS-$(CONFIG_SHARED)                    += log2_tab.o golomb_tab.o reverse.o
 OBJS-$(CONFIG_SRTP)                      += srtp.o
 
 # muxers/demuxers
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index f363418..016ada3 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -760,7 +760,7 @@ static int write_manifest(AVFormatContext *s, int final)
             AVStream *st = s->streams[i];
             get_hls_playlist_name(playlist_file, sizeof(playlist_file), NULL, i);
             ff_hls_write_stream_info(st, out, st->codecpar->bit_rate,
-                    playlist_file, NULL);
+                    playlist_file, NULL, NULL);
         }
         avio_close(out);
         if (use_rename)
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 53dc835..d66b88b 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -39,6 +39,7 @@
 #include "libavutil/avstring.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/random_seed.h"
+#include "libavutil/reverse.h"
 #include "libavutil/opt.h"
 #include "libavutil/log.h"
 #include "libavutil/time_internal.h"
@@ -1082,6 +1083,63 @@ static int get_relative_url(const char *master_url, const char *media_url,
     return 0;
 }
 
+static char *get_codec_str(AVStream *vid_st, AVStream *aud_st) {
+    size_t codec_str_size = 64;
+    char *codec_str = av_malloc(codec_str_size);
+    int video_str_len = 0;
+
+    if (!codec_str)
+        return NULL;
+
+    if (!vid_st && !aud_st) {
+        goto fail;
+    }
+
+    if (vid_st) {
+        if (vid_st->codecpar->profile != FF_PROFILE_UNKNOWN &&
+            vid_st->codecpar->level != FF_LEVEL_UNKNOWN &&
+            vid_st->codecpar->codec_id == AV_CODEC_ID_H264) {
+            snprintf(codec_str, codec_str_size, "avc1.%02x%02x%02x",
+                     vid_st->codecpar->profile & 0xFF,
+                     ff_reverse[(vid_st->codecpar->profile >> 8) & 0xFF],
+                     vid_st->codecpar->level);
+        } else {
+            goto fail;
+        }
+        video_str_len = strlen(codec_str);
+    }
+
+    if (aud_st) {
+        char *audio_str = codec_str;
+        if (video_str_len) {
+            codec_str[video_str_len] = ',';
+            video_str_len += 1;
+            audio_str += video_str_len;
+            codec_str_size -= video_str_len;
+        }
+        if (aud_st->codecpar->codec_id == AV_CODEC_ID_MP2) {
+            snprintf(audio_str, codec_str_size, "mp4a.40.33");
+        } else if (aud_st->codecpar->codec_id == AV_CODEC_ID_MP3) {
+            snprintf(audio_str, codec_str_size, "mp4a.40.34");
+        } else if (aud_st->codecpar->codec_id == AV_CODEC_ID_AAC) {
+            /* TODO : For HE-AAC, HE-AACv2, the last digit needs to be set to 5 and 29 respectively */
+            snprintf(audio_str, codec_str_size, "mp4a.40.2");
+        } else if (aud_st->codecpar->codec_id == AV_CODEC_ID_AC3) {
+            snprintf(audio_str, codec_str_size, "mp4a.A5");
+        } else if (aud_st->codecpar->codec_id == AV_CODEC_ID_EAC3) {
+            snprintf(audio_str, codec_str_size, "mp4a.A6");
+        } else {
+            goto fail;
+        }
+    }
+
+    return codec_str;
+
+fail:
+    av_free(codec_str);
+    return NULL;
+}
+
 static int create_master_playlist(AVFormatContext *s,
                                   VariantStream * const input_vs)
 {
@@ -1091,7 +1149,7 @@ static int create_master_playlist(AVFormatContext *s,
     AVDictionary *options = NULL;
     unsigned int i, j;
     int m3u8_name_size, ret, bandwidth;
-    char *m3u8_rel_name;
+    char *m3u8_rel_name, *codec_str;
 
     input_vs->m3u8_created = 1;
     if (!hls->master_m3u8_created) {
@@ -1204,9 +1262,12 @@ static int create_master_playlist(AVFormatContext *s,
             bandwidth += aud_st->codecpar->bit_rate;
         bandwidth += bandwidth / 10;
 
+        codec_str = get_codec_str(vid_st, aud_st);
+
         ff_hls_write_stream_info(vid_st, hls->m3u8_out, bandwidth, m3u8_rel_name,
-                aud_st ? vs->agroup : NULL);
+                codec_str, aud_st ? vs->agroup : NULL);
 
+        av_freep(&codec_str);
         av_freep(&m3u8_rel_name);
     }
 fail:
diff --git a/libavformat/hlsplaylist.c b/libavformat/hlsplaylist.c
index 42f059a..b1b1ec6 100644
--- a/libavformat/hlsplaylist.c
+++ b/libavformat/hlsplaylist.c
@@ -36,7 +36,8 @@ void ff_hls_write_playlist_version(AVIOContext *out, int version) {
 }
 
 void ff_hls_write_stream_info(AVStream *st, AVIOContext *out,
-                              int bandwidth, char *filename, char *agroup) {
+                              int bandwidth, char *filename, char *codec_str,
+                              char *agroup) {
     if (!out || !filename)
         return;
 
@@ -50,6 +51,8 @@ void ff_hls_write_stream_info(AVStream *st, AVIOContext *out,
     if (st && st->codecpar->width > 0 && st->codecpar->height > 0)
         avio_printf(out, ",RESOLUTION=%dx%d", st->codecpar->width,
                 st->codecpar->height);
+    if (codec_str && strlen(codec_str) > 0)
+        avio_printf(out, ",CODECS=\"%s\"", codec_str);
     if (agroup && strlen(agroup) > 0)
         avio_printf(out, ",AUDIO=\"group_%s\"", agroup);
     avio_printf(out, "\n%s\n\n", filename);
diff --git a/libavformat/hlsplaylist.h b/libavformat/hlsplaylist.h
index a3ce26c..e807c6e 100644
--- a/libavformat/hlsplaylist.h
+++ b/libavformat/hlsplaylist.h
@@ -43,7 +43,8 @@ static inline int hls_get_int_from_double(double val)
 
 void ff_hls_write_playlist_version(AVIOContext *out, int version);
 void ff_hls_write_stream_info(AVStream *st, AVIOContext *out,
-                              int bandwidth, char *filename, char *agroup);
+                              int bandwidth, char *filename, char *codec_str,
+                              char *agroup);
 void ff_hls_write_playlist_header(AVIOContext *out, int version, int allowcache,
                                   int target_duration, int64_t sequence,
                                   uint32_t playlist_type);
diff --git a/libavformat/reverse.c b/libavformat/reverse.c
new file mode 100644
index 0000000..440bada
--- /dev/null
+++ b/libavformat/reverse.c
@@ -0,0 +1 @@
+#include "libavutil/reverse.c"
diff --git a/tests/ref/fate/source b/tests/ref/fate/source
index 2def034..b68873b 100644
--- a/tests/ref/fate/source
+++ b/tests/ref/fate/source
@@ -11,6 +11,7 @@ libavfilter/log2_tab.c
 libavformat/file_open.c
 libavformat/golomb_tab.c
 libavformat/log2_tab.c
+libavformat/reverse.c
 libswresample/log2_tab.c
 libswscale/log2_tab.c
 tools/uncoded_frame.c
