avcodec/ass: output missing fields in AVSubtitles and output files

Fixes Ticket #3207

1 files changed, 25 insertions, 4 deletions

diff --git a/libavcodec/ass.c b/libavcodec/ass.c
index ba0593c936..ac1bfae061 100644
--- a/libavcodec/ass.c
+++ b/libavcodec/ass.c
@@ -39,11 +39,32 @@ int ff_ass_subtitle_header(AVCodecContext *avctx,
              "PlayResY: 288\r\n"
              "\r\n"
              "[V4+ Styles]\r\n"
-             "Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding\r\n"
-             "Style: Default,%s,%d,&H%x,&H%x,&H%x,&H%x,%d,%d,%d,1,1,0,%d,10,10,10,0,0\r\n"
+
+             /* ASSv4 header */
+             "Format: Name, "
+             "Fontname, Fontsize, "
+             "PrimaryColour, SecondaryColour, OutlineColour, BackColour, "
+             "Bold, Italic, Underline, StrikeOut, "
+             "ScaleX, ScaleY, "
+             "Spacing, Angle, "
+             "BorderStyle, Outline, Shadow, "
+             "Alignment, MarginL, MarginR, MarginV, "
+             "Encoding\r\n"
+
+             "Style: "
+             "Default,"             /* Name */
+             "%s,%d,"               /* Font{name,size} */
+             "&H%x,&H%x,&H%x,&H%x," /* {Primary,Secondary,Outline,Back}Colour */
+             "%d,%d,%d,0,"          /* Bold, Italic, Underline, StrikeOut */
+             "100,100,"             /* Scale{X,Y} */
+             "0,0,"                 /* Spacing, Angle */
+             "1,1,0,"               /* BorderStyle, Outline, Shadow */
+             "%d,10,10,10,"         /* Alignment, Margin[LRV] */
+             "0\r\n"                /* Encoding */
+
              "\r\n"
              "[Events]\r\n"
-             "Format: Layer, Start, End, Style, Text\r\n",
+             "Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text\r\n",
              font, font_size, color, color, back_color, back_color,
              -bold, -italic, -underline, alignment);
 
@@ -104,7 +125,7 @@ int ff_ass_bprint_dialog(AVBPrint *buf, const char *dialog,
         insert_ts(buf, ts_start);
         insert_ts(buf, duration == -1 ? -1 : ts_start + duration);
         if (raw != 2)
-            av_bprintf(buf, "Default,");
+            av_bprintf(buf, "Default,,0,0,0,,");
     }
 
     dlen = strcspn(dialog, "\n");