[FFmpeg-devel] [PATCH v4 11/18] avfilter/subtitles: adjust for recent changes

[Soft Works]

- use new function av_get_subtitle_format_from_codecdesc
- change error message
- remove obsolete 'sub_text_format' parameter

Signed-off-by: softworkz <softworkz at hotmail.com>
---
 libavfilter/vf_subtitles.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/libavfilter/vf_subtitles.c b/libavfilter/vf_subtitles.c
index d0bafcd3cf..200fb18165 100644
--- a/libavfilter/vf_subtitles.c
+++ b/libavfilter/vf_subtitles.c
@@ -35,14 +35,12 @@
 # include "libavformat/avformat.h"
 #endif
 #include "libavutil/avstring.h"
-#include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
 #include "libavutil/parseutils.h"
 #include "drawutils.h"
 #include "avfilter.h"
 #include "internal.h"
 #include "formats.h"
-#include "video.h"
 
 typedef struct AssContext {
     const AVClass *class;
@@ -306,6 +304,7 @@ static av_cold int init_subtitles(AVFilterContext *ctx)
     AVStream *st;
     AVPacket pkt;
     AssContext *ass = ctx->priv;
+    enum AVSubtitleType subtitle_format;
 
     /* Init libass */
     ret = init(ctx);
@@ -386,16 +385,19 @@ static av_cold int init_subtitles(AVFilterContext *ctx)
         ret = AVERROR_DECODER_NOT_FOUND;
         goto end;
     }
+
     dec_desc = avcodec_descriptor_get(st->codecpar->codec_id);
-    if (dec_desc && !(dec_desc->props & AV_CODEC_PROP_TEXT_SUB)) {
+    subtitle_format = av_get_subtitle_format_from_codecdesc(dec_desc);
+
+    if (subtitle_format != AV_SUBTITLE_FMT_ASS) {
         av_log(ctx, AV_LOG_ERROR,
-               "Only text based subtitles are currently supported\n");
-        ret = AVERROR_PATCHWELCOME;
+               "Only text based subtitles are supported by this filter\n");
+        ret = AVERROR_INVALIDDATA;
         goto end;
     }
+
     if (ass->charenc)
         av_dict_set(&codec_opts, "sub_charenc", ass->charenc, 0);
-    av_dict_set(&codec_opts, "sub_text_format", "ass", 0);
 
     dec_ctx = avcodec_alloc_context3(dec);
     if (!dec_ctx) {
-- 
2.30.2.windows.1