diff --git a/Changelog b/Changelog
index 9ebbc9b4b2..6f895bee87 100644
--- a/Changelog
+++ b/Changelog
@@ -25,6 +25,8 @@ version <next>:
 - inverse telecine filters (fieldmatch and decimate)
 - colorbalance filter
 - colorchannelmixer filter
+- The matroska demuxer can now output proper verbatim ASS packets. It will
+  become the default at the next libavformat major bump.
 
 
 version 1.2:
diff --git a/doc/APIchanges b/doc/APIchanges
index 6d0beb316c..65571329ab 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,10 @@ libavutil:     2012-10-22
 
 API changes, most recent first:
 
+2013-04-18 - xxxxxxx - lavf 55.3.100
+  The matroska demuxer can now output proper verbatim ASS packets. It will
+  become the default starting lavf 56.0.100.
+
 2013-04-10 - xxxxxxx - lavu 25.26.100 - avutil.h,opt.h
   Add av_int_list_length()
   and av_opt_set_int_list().
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 357ac487fc..ac342b1333 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -110,6 +110,8 @@ OBJS-$(CONFIG_AMV_ENCODER)             += mjpegenc.o mjpeg.o           \
 OBJS-$(CONFIG_ANM_DECODER)             += anm.o
 OBJS-$(CONFIG_ANSI_DECODER)            += ansi.o cga_data.o
 OBJS-$(CONFIG_APE_DECODER)             += apedec.o
+OBJS-$(CONFIG_SSA_DECODER)             += assdec.o ass.o ass_split.o
+OBJS-$(CONFIG_SSA_ENCODER)             += assenc.o ass.o
 OBJS-$(CONFIG_ASS_DECODER)             += assdec.o ass.o ass_split.o
 OBJS-$(CONFIG_ASS_ENCODER)             += assenc.o ass.o
 OBJS-$(CONFIG_ASV1_DECODER)            += asvdec.o asv.o mpeg12data.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index b06e9a591f..19a638ccbb 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -449,6 +449,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(VIMA,              vima);
 
     /* subtitles */
+    REGISTER_ENCDEC (SSA,               ssa);
     REGISTER_ENCDEC (ASS,               ass);
     REGISTER_ENCDEC (DVBSUB,            dvbsub);
     REGISTER_ENCDEC (DVDSUB,            dvdsub);
diff --git a/libavcodec/ass.c b/libavcodec/ass.c
index 87c73a519a..b263c635a6 100644
--- a/libavcodec/ass.c
+++ b/libavcodec/ass.c
@@ -85,17 +85,35 @@ int ff_ass_add_rect(AVSubtitle *sub, const char *dialog,
     AVSubtitleRect **rects;
 
     av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
-    if (!raw) {
-        av_bprintf(&buf, "Dialogue: 0,");
+    if (!raw || raw == 2) {
+        long int layer = 0;
+
+        if (raw == 2) {
+            /* skip ReadOrder */
+            dialog = strchr(dialog, ',');
+            if (!dialog)
+                return AVERROR_INVALIDDATA;
+            dialog++;
+
+            /* extract Layer or Marked */
+            layer = strtol(dialog, (char**)&dialog, 10);
+            if (*dialog != ',')
+                return AVERROR_INVALIDDATA;
+            dialog++;
+        }
+        av_bprintf(&buf, "Dialogue: %ld,", layer);
         insert_ts(&buf, ts_start);
         insert_ts(&buf, duration == -1 ? -1 : ts_start + duration);
-        av_bprintf(&buf, "Default,");
+        if (raw != 2)
+            av_bprintf(&buf, "Default,");
     }
 
     dlen = strcspn(dialog, "\n");
     dlen += dialog[dlen] == '\n';
 
     av_bprintf(&buf, "%.*s", dlen, dialog);
+    if (raw == 2)
+        av_bprintf(&buf, "\r\n");
     if (!av_bprint_is_complete(&buf))
         return AVERROR(ENOMEM);
 
diff --git a/libavcodec/ass.h b/libavcodec/ass.h
index e9339e4fb6..ef99b58cbc 100644
--- a/libavcodec/ass.h
+++ b/libavcodec/ass.h
@@ -76,7 +76,9 @@ int ff_ass_subtitle_header_default(AVCodecContext *avctx);
  * @param ts_start start timestamp for this dialog (in 1/100 second unit)
  * @param duration duration for this dialog (in 1/100 second unit), can be -1
  *                 to last until the end of the presentation
- * @param raw when set to 1, it indicates that dialog contains a whole ASS
+ * @param raw when set to 2, it indicates that dialog contains an ASS
+ *                           dialog line as muxed in Matroska
+ *            when set to 1, it indicates that dialog contains a whole SSA
  *                           dialog line which should be copied as is.
  *            when set to 0, it indicates that dialog contains only the Text
  *                           part of the ASS dialog line, the rest of the line
diff --git a/libavcodec/assdec.c b/libavcodec/assdec.c
index d79065663b..11dbde0b8a 100644
--- a/libavcodec/assdec.c
+++ b/libavcodec/assdec.c
@@ -41,7 +41,15 @@ static av_cold int ass_decode_init(AVCodecContext *avctx)
     return 0;
 }
 
-static int ass_decode_frame(AVCodecContext *avctx, void *data, int *got_sub_ptr,
+static int ass_decode_close(AVCodecContext *avctx)
+{
+    ff_ass_split_free(avctx->priv_data);
+    avctx->priv_data = NULL;
+    return 0;
+}
+
+#if CONFIG_SSA_DECODER
+static int ssa_decode_frame(AVCodecContext *avctx, void *data, int *got_sub_ptr,
                             AVPacket *avpkt)
 {
     const char *ptr = avpkt->data;
@@ -64,19 +72,49 @@ static int ass_decode_frame(AVCodecContext *avctx, void *data, int *got_sub_ptr,
     return avpkt->size;
 }
 
-static int ass_decode_close(AVCodecContext *avctx)
+AVCodec ff_ssa_decoder = {
+    .name         = "ssa",
+    .long_name    = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"),
+    .type         = AVMEDIA_TYPE_SUBTITLE,
+    .id           = AV_CODEC_ID_SSA,
+    .init         = ass_decode_init,
+    .decode       = ssa_decode_frame,
+    .close        = ass_decode_close,
+};
+#endif
+
+#if CONFIG_ASS_DECODER
+static int ass_decode_frame(AVCodecContext *avctx, void *data, int *got_sub_ptr,
+                            AVPacket *avpkt)
 {
-    ff_ass_split_free(avctx->priv_data);
-    avctx->priv_data = NULL;
-    return 0;
+    int ret;
+    AVSubtitle *sub = data;
+    const char *ptr = avpkt->data;
+    static const AVRational ass_tb = {1, 100};
+    const int ts_start    = av_rescale_q(avpkt->pts,      avctx->time_base, ass_tb);
+    const int ts_duration = av_rescale_q(avpkt->duration, avctx->time_base, ass_tb);
+
+    if (avpkt->size <= 0)
+        return avpkt->size;
+
+    ret = ff_ass_add_rect(sub, ptr, ts_start, ts_duration, 2);
+    if (ret < 0) {
+        if (ret == AVERROR_INVALIDDATA)
+            av_log(avctx, AV_LOG_ERROR, "Invalid ASS packet\n");
+        return ret;
+    }
+
+    *got_sub_ptr = avpkt->size > 0;
+    return avpkt->size;
 }
 
 AVCodec ff_ass_decoder = {
     .name         = "ass",
-    .long_name    = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"),
+    .long_name    = NULL_IF_CONFIG_SMALL("ASS (Advanced SubStation Alpha) subtitle"),
     .type         = AVMEDIA_TYPE_SUBTITLE,
-    .id           = AV_CODEC_ID_SSA,
+    .id           = AV_CODEC_ID_ASS,
     .init         = ass_decode_init,
     .decode       = ass_decode_frame,
     .close        = ass_decode_close,
 };
+#endif
diff --git a/libavcodec/assenc.c b/libavcodec/assenc.c
index 50b89c00d6..7b8a540cdd 100644
--- a/libavcodec/assenc.c
+++ b/libavcodec/assenc.c
@@ -22,10 +22,16 @@
 #include <string.h>
 
 #include "avcodec.h"
+#include "ass_split.h"
+#include "ass.h"
 #include "libavutil/avstring.h"
 #include "libavutil/internal.h"
 #include "libavutil/mem.h"
 
+typedef struct {
+    int id; ///< current event id, ReadOrder field
+} ASSEncodeContext;
+
 static av_cold int ass_encode_init(AVCodecContext *avctx)
 {
     avctx->extradata = av_malloc(avctx->subtitle_header_size + 1);
@@ -41,15 +47,47 @@ static int ass_encode_frame(AVCodecContext *avctx,
                             unsigned char *buf, int bufsize,
                             const AVSubtitle *sub)
 {
+    ASSEncodeContext *s = avctx->priv_data;
     int i, len, total_len = 0;
 
     for (i=0; i<sub->num_rects; i++) {
+        char ass_line[2048];
+        const char *ass = sub->rects[i]->ass;
+
         if (sub->rects[i]->type != SUBTITLE_ASS) {
             av_log(avctx, AV_LOG_ERROR, "Only SUBTITLE_ASS type supported.\n");
             return -1;
         }
 
-        len = av_strlcpy(buf+total_len, sub->rects[i]->ass, bufsize-total_len);
+        if (strncmp(ass, "Dialogue: ", 10)) {
+            av_log(avctx, AV_LOG_ERROR, "AVSubtitle rectangle ass \"%s\""
+                   " does not look like a SSA markup\n", ass);
+            return AVERROR_INVALIDDATA;
+        }
+
+        if (avctx->codec->id == AV_CODEC_ID_ASS) {
+            long int layer;
+            char *p;
+
+            if (i > 0) {
+                av_log(avctx, AV_LOG_ERROR, "ASS encoder supports only one "
+                       "ASS rectangle field.\n");
+                return AVERROR_INVALIDDATA;
+            }
+
+            ass += 10; // skip "Dialogue: "
+            /* parse Layer field. If it's a Marked field, the content
+             * will be "Marked=N" instead of the layer num, so we will
+             * have layer=0, which is fine. */
+            layer = strtol(ass, &p, 10);
+            if (*p) p += strcspn(p, ",") + 1; // skip layer or marked
+            if (*p) p += strcspn(p, ",") + 1; // skip start timestamp
+            if (*p) p += strcspn(p, ",") + 1; // skip end timestamp
+            snprintf(ass_line, sizeof(ass_line), "%d,%ld,%s", ++s->id, layer, p);
+            ass_line[strcspn(ass_line, "\r\n")] = 0;
+            ass = ass_line;
+        }
+        len = av_strlcpy(buf+total_len, ass, bufsize-total_len);
 
         if (len > bufsize-total_len-1) {
             av_log(avctx, AV_LOG_ERROR, "Buffer too small for ASS event.\n");
@@ -62,11 +100,26 @@ static int ass_encode_frame(AVCodecContext *avctx,
     return total_len;
 }
 
-AVCodec ff_ass_encoder = {
-    .name         = "ass",
+#if CONFIG_SSA_ENCODER
+AVCodec ff_ssa_encoder = {
+    .name         = "ssa",
     .long_name    = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"),
     .type         = AVMEDIA_TYPE_SUBTITLE,
     .id           = AV_CODEC_ID_SSA,
     .init         = ass_encode_init,
     .encode_sub   = ass_encode_frame,
+    .priv_data_size = sizeof(ASSEncodeContext),
+};
+#endif
+
+#if CONFIG_ASS_ENCODER
+AVCodec ff_ass_encoder = {
+    .name         = "ass",
+    .long_name    = NULL_IF_CONFIG_SMALL("ASS (Advanced SubStation Alpha) subtitle"),
+    .type         = AVMEDIA_TYPE_SUBTITLE,
+    .id           = AV_CODEC_ID_ASS,
+    .init         = ass_encode_init,
+    .encode_sub   = ass_encode_frame,
+    .priv_data_size = sizeof(ASSEncodeContext),
 };
+#endif
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 3f520375a8..0251b6cd13 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -474,6 +474,7 @@ enum AVCodecID {
     AV_CODEC_ID_MPL2       = MKBETAG('M','P','L','2'),
     AV_CODEC_ID_VPLAYER    = MKBETAG('V','P','l','r'),
     AV_CODEC_ID_PJS        = MKBETAG('P','h','J','S'),
+    AV_CODEC_ID_ASS        = MKBETAG('A','S','S',' '),  ///< ASS as defined in Matroska
 
     /* other specific kind of codecs (generally used for attachments) */
     AV_CODEC_ID_FIRST_UNKNOWN = 0x18000,           ///< A dummy ID pointing at the start of various fake codecs.
diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index 2b3eed7760..c8a5d113d4 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -2402,11 +2402,17 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("XSUB"),
         .props     = AV_CODEC_PROP_BITMAP_SUB,
     },
+    {
+        .id        = AV_CODEC_ID_ASS,
+        .type      = AVMEDIA_TYPE_SUBTITLE,
+        .name      = "ass",
+        .long_name = NULL_IF_CONFIG_SMALL("ASS (Advanced SSA) subtitle"),
+    },
     {
         .id        = AV_CODEC_ID_SSA,
         .type      = AVMEDIA_TYPE_SUBTITLE,
         .name      = "ssa",
-        .long_name = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) / ASS (Advanced SSA) subtitle"),
+        .long_name = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"),
     },
     {
         .id        = AV_CODEC_ID_MOV_TEXT,
diff --git a/libavcodec/version.h b/libavcodec/version.h
index ec98b91689..1e24d839c5 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR  2
+#define LIBAVCODEC_VERSION_MINOR  3
 #define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
diff --git a/libavformat/assenc.c b/libavformat/assenc.c
index e378dc0e6c..f2e904a59e 100644
--- a/libavformat/assenc.c
+++ b/libavformat/assenc.c
@@ -20,9 +20,11 @@
  */
 
 #include "avformat.h"
+#include "internal.h"
 
 typedef struct ASSContext{
     unsigned int extra_index;
+    int write_ts; // 0: ssa (timing in payload), 1: ass (matroska like)
 }ASSContext;
 
 static int write_header(AVFormatContext *s)
@@ -31,10 +33,13 @@ static int write_header(AVFormatContext *s)
     AVCodecContext *avctx= s->streams[0]->codec;
     uint8_t *last= NULL;
 
-    if(s->nb_streams != 1 || avctx->codec_id != AV_CODEC_ID_SSA){
+    if (s->nb_streams != 1 || (avctx->codec_id != AV_CODEC_ID_SSA &&
+                               avctx->codec_id != AV_CODEC_ID_ASS)) {
         av_log(s, AV_LOG_ERROR, "Exactly one ASS/SSA stream is needed.\n");
         return -1;
     }
+    ass->write_ts = avctx->codec_id == AV_CODEC_ID_ASS;
+    avpriv_set_pts_info(s->streams[0], 64, 1, 100);
 
     while(ass->extra_index < avctx->extradata_size){
         uint8_t *p  = avctx->extradata + ass->extra_index;
@@ -57,7 +62,31 @@ static int write_header(AVFormatContext *s)
 
 static int write_packet(AVFormatContext *s, AVPacket *pkt)
 {
-    avio_write(s->pb, pkt->data, pkt->size);
+    ASSContext *ass = s->priv_data;
+
+    if (ass->write_ts) {
+        long int layer;
+        char *p;
+        int64_t start = pkt->pts;
+        int64_t end   = start + pkt->duration;
+        int hh1, mm1, ss1, ms1;
+        int hh2, mm2, ss2, ms2;
+
+        p = pkt->data + strcspn(pkt->data, ",") + 1; // skip ReadOrder
+        layer = strtol(p, &p, 10);
+        if (*p == ',')
+            p++;
+        hh1 = (int)(start / 360000);    mm1 = (int)(start / 6000) % 60;
+        hh2 = (int)(end   / 360000);    mm2 = (int)(end   / 6000) % 60;
+        ss1 = (int)(start / 100) % 60;  ms1 = (int)(start % 100);
+        ss2 = (int)(end   / 100) % 60;  ms2 = (int)(end   % 100);
+        if (hh1 > 9) hh1 = 9, mm1 = 59, ss1 = 59, ms1 = 99;
+        if (hh2 > 9) hh2 = 9, mm2 = 59, ss2 = 59, ms2 = 99;
+        avio_printf(s->pb, "Dialogue: %ld,%d:%02d:%02d.%02d,%d:%02d:%02d.%02d,%s\r\n",
+                    layer, hh1, mm1, ss1, ms1, hh2, mm2, ss2, ms2, p);
+    } else {
+        avio_write(s->pb, pkt->data, pkt->size);
+    }
     return 0;
 }
 
diff --git a/libavformat/matroska.c b/libavformat/matroska.c
index 09eecf20f6..ee57c1820a 100644
--- a/libavformat/matroska.c
+++ b/libavformat/matroska.c
@@ -61,10 +61,16 @@ const CodecTags ff_mkv_codec_tags[]={
     {"S_TEXT/UTF8"      , AV_CODEC_ID_TEXT},
     {"S_TEXT/UTF8"      , AV_CODEC_ID_SRT},
     {"S_TEXT/ASCII"     , AV_CODEC_ID_TEXT},
+#if FF_API_ASS_SSA
     {"S_TEXT/ASS"       , AV_CODEC_ID_SSA},
     {"S_TEXT/SSA"       , AV_CODEC_ID_SSA},
     {"S_ASS"            , AV_CODEC_ID_SSA},
     {"S_SSA"            , AV_CODEC_ID_SSA},
+#endif
+    {"S_TEXT/ASS"       , AV_CODEC_ID_ASS},
+    {"S_TEXT/SSA"       , AV_CODEC_ID_ASS},
+    {"S_ASS"            , AV_CODEC_ID_ASS},
+    {"S_SSA"            , AV_CODEC_ID_ASS},
     {"S_VOBSUB"         , AV_CODEC_ID_DVD_SUBTITLE},
     {"S_DVBSUB"         , AV_CODEC_ID_DVB_SUBTITLE},
     {"S_HDMV/PGS"       , AV_CODEC_ID_HDMV_PGS_SUBTITLE},
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index ad0401a857..c103dcebf4 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1213,6 +1213,7 @@ static int matroska_decode_buffer(uint8_t** buf, int* buf_size,
     return result;
 }
 
+#if FF_API_ASS_SSA
 static void matroska_fix_ass_packet(MatroskaDemuxContext *matroska,
                                     AVPacket *pkt, uint64_t display_duration)
 {
@@ -1259,6 +1260,7 @@ static int matroska_merge_packets(AVPacket *out, AVPacket *in)
     av_free(in);
     return 0;
 }
+#endif
 
 static void matroska_convert_tag(AVFormatContext *s, EbmlList *list,
                                  AVDictionary **metadata, char *prefix)
@@ -1859,7 +1861,12 @@ static int matroska_read_header(AVFormatContext *s)
             st->need_parsing = AVSTREAM_PARSE_HEADERS;
         } else if (track->type == MATROSKA_TRACK_TYPE_SUBTITLE) {
             st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
-            if (st->codec->codec_id == AV_CODEC_ID_SSA)
+#if FF_API_ASS_SSA
+            if (st->codec->codec_id == AV_CODEC_ID_SSA ||
+                st->codec->codec_id == AV_CODEC_ID_ASS)
+#else
+            if (st->codec->codec_id == AV_CODEC_ID_ASS)
+#endif
                 matroska->contains_ssa = 1;
         }
     }
@@ -2221,6 +2228,7 @@ static int matroska_parse_frame(MatroskaDemuxContext *matroska,
         pkt->duration = lace_duration;
     }
 
+#if FF_API_ASS_SSA
     if (st->codec->codec_id == AV_CODEC_ID_SSA)
         matroska_fix_ass_packet(matroska, pkt, lace_duration);
 
@@ -2234,6 +2242,10 @@ static int matroska_parse_frame(MatroskaDemuxContext *matroska,
         dynarray_add(&matroska->packets,&matroska->num_packets,pkt);
         matroska->prev_pkt = pkt;
     }
+#else
+    dynarray_add(&matroska->packets, &matroska->num_packets, pkt);
+    matroska->prev_pkt = pkt;
+#endif
 
     return 0;
 }
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index a151eef457..6726fd9812 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1072,6 +1072,7 @@ static int ass_get_duration(const uint8_t *p)
     return end - start;
 }
 
+#if FF_API_ASS_SSA
 static int mkv_write_ass_blocks(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
 {
     MatroskaMuxContext *mkv = s->priv_data;
@@ -1116,6 +1117,7 @@ static int mkv_write_ass_blocks(AVFormatContext *s, AVIOContext *pb, AVPacket *p
 
     return max_duration;
 }
+#endif
 
 static void mkv_write_block(AVFormatContext *s, AVIOContext *pb,
                             unsigned int blockid, AVPacket *pkt, int flags)
@@ -1236,8 +1238,10 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
 
     if (codec->codec_type != AVMEDIA_TYPE_SUBTITLE) {
         mkv_write_block(s, pb, MATROSKA_ID_SIMPLEBLOCK, pkt, keyframe << 7);
+#if FF_API_ASS_SSA
     } else if (codec->codec_id == AV_CODEC_ID_SSA) {
         duration = mkv_write_ass_blocks(s, pb, pkt);
+#endif
     } else if (codec->codec_id == AV_CODEC_ID_SRT) {
         duration = mkv_write_srt_blocks(s, pb, pkt);
     } else {
@@ -1418,7 +1422,11 @@ AVOutputFormat ff_matroska_muxer = {
          ff_codec_bmp_tags, ff_codec_wav_tags,
          additional_audio_tags, additional_video_tags, 0
     },
+#if FF_API_ASS_SSA
     .subtitle_codec    = AV_CODEC_ID_SSA,
+#else
+    .subtitle_codec    = AV_CODEC_ID_ASS,
+#endif
     .query_codec       = mkv_query_codec,
 };
 #endif
diff --git a/libavformat/version.h b/libavformat/version.h
index 8f9139ab71..8fd08cf032 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -30,7 +30,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVFORMAT_VERSION_MAJOR 55
-#define LIBAVFORMAT_VERSION_MINOR  2
+#define LIBAVFORMAT_VERSION_MINOR  3
 #define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
@@ -73,6 +73,9 @@
 #ifndef FF_API_READ_PACKET
 #define FF_API_READ_PACKET             (LIBAVFORMAT_VERSION_MAJOR < 56)
 #endif
+#ifndef FF_API_ASS_SSA
+#define FF_API_ASS_SSA                 (LIBAVFORMAT_VERSION_MAJOR < 56)
+#endif
 #ifndef FF_API_R_FRAME_RATE
 #define FF_API_R_FRAME_RATE            1
 #endif