avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / webvttenc.c

diff --git a/libavcodec/webvttenc.c b/libavcodec/webvttenc.c
index c84bbf4b4e1ccb12815d88938017dd1f477c96d8..cc47b5aca3d840e3841b12bfa2b54e9736a8bf9b 100644 (file)
--- a/libavcodec/webvttenc.c
+++ b/libavcodec/webvttenc.c
@@ -168,29 +168,15 @@ static int webvtt_encode_frame(AVCodecContext *avctx,
 
         if (sub->rects[i]->type != SUBTITLE_ASS) {
             av_log(avctx, AV_LOG_ERROR, "Only SUBTITLE_ASS type supported.\n");
-            return AVERROR(ENOSYS);
+            return AVERROR(EINVAL);
         }
 
-#if FF_API_ASS_TIMING
-        if (!strncmp(ass, "Dialogue: ", 10)) {
-            int num;
-            dialog = ff_ass_split_dialog(s->ass_ctx, ass, 0, &num);
-            // TODO reindent
-        for (; dialog && num--; dialog++) {
-            webvtt_style_apply(s, dialog->style);
-            ff_ass_split_override_codes(&webvtt_callbacks, s, dialog->text);
-        }
-        } else {
-#endif
-            dialog = ff_ass_split_dialog2(s->ass_ctx, ass);
-            if (!dialog)
-                return AVERROR(ENOMEM);
-            webvtt_style_apply(s, dialog->style);
-            ff_ass_split_override_codes(&webvtt_callbacks, s, dialog->text);
-            ff_ass_free_dialog(&dialog);
-#if FF_API_ASS_TIMING
-        }
-#endif
+        dialog = ff_ass_split_dialog2(s->ass_ctx, ass);
+        if (!dialog)
+            return AVERROR(ENOMEM);
+        webvtt_style_apply(s, dialog->style);
+        ff_ass_split_override_codes(&webvtt_callbacks, s, dialog->text);
+        ff_ass_free_dialog(&dialog);
     }
 
     if (!av_bprint_is_complete(&s->buffer))
@@ -200,7 +186,7 @@ static int webvtt_encode_frame(AVCodecContext *avctx,
 
     if (s->buffer.len > bufsize) {
         av_log(avctx, AV_LOG_ERROR, "Buffer too small for ASS event.\n");
-        return -1;
+        return AVERROR_BUFFER_TOO_SMALL;
     }
     memcpy(buf, s->buffer.str, s->buffer.len);
 
@@ -224,7 +210,7 @@ static av_cold int webvtt_encode_init(AVCodecContext *avctx)
     return s->ass_ctx ? 0 : AVERROR_INVALIDDATA;
 }
 
-AVCodec ff_webvtt_encoder = {
+const AVCodec ff_webvtt_encoder = {
     .name           = "webvtt",
     .long_name      = NULL_IF_CONFIG_SMALL("WebVTT subtitle"),
     .type           = AVMEDIA_TYPE_SUBTITLE,