avcodec/ass: add FFmpeg signature

libavcodec/ass.c

@@ -34,6 +34,7 @@ int ff_ass_subtitle_header(AVCodecContext *avctx,
 {
     avctx->subtitle_header = av_asprintf(
              "[Script Info]\r\n"
+             "; Script generated by FFmpeg/Lavc%s\r\n"
              "ScriptType: v4.00+\r\n"
              "PlayResX: 384\r\n"
              "PlayResY: 288\r\n"
@@ -65,6 +66,7 @@ int ff_ass_subtitle_header(AVCodecContext *avctx,
              "\r\n"
              "[Events]\r\n"
              "Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text\r\n",
+             !(avctx->flags & CODEC_FLAG_BITEXACT) ? AV_STRINGIFY(LIBAVCODEC_VERSION) : "",
              font, font_size, color, color, back_color, back_color,
              -bold, -italic, -underline, alignment);
 

tests/fate-run.sh

@@ -117,7 +117,7 @@ pcm(){
 fmtstdout(){
     fmt=$1
     shift 1
-    ffmpeg "$@" -f $fmt -
+    ffmpeg -flags +bitexact "$@" -f $fmt -
 }
 
 enc_dec_pcm(){

tests/ref/fate/sub-aqtitle

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-charenc

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-jacosub

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-microdvd

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-movtext

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-mpl2

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-mpsub

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-mpsub-frames

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-pjs

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-realtext

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-sami

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-srt

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-subviewer

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-subviewer1

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-vplayer

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288

tests/ref/fate/sub-webvtt

 [Script Info]
+; Script generated by FFmpeg/Lavc
 ScriptType: v4.00+
 PlayResX: 384
 PlayResY: 288