avcodec/ass_split: Remove unused ff_ass_split_dialogue()

Unused since 1f63665ca5.

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/ass_split.c

@@ -412,25 +412,6 @@ static void free_section(ASSSplitContext *ctx, const ASSSection *section)
         av_freep((uint8_t *)&ctx->ass + section->offset);
 }
 
-ASSDialog *ff_ass_split_dialog(ASSSplitContext *ctx, const char *buf,
-                               int cache, int *number)
-{
-    ASSDialog *dialog = NULL;
-    int i, count;
-    if (!cache)
-        for (i=0; i<FF_ARRAY_ELEMS(ass_sections); i++)
-            if (!strcmp(ass_sections[i].section, "Events")) {
-                free_section(ctx, &ass_sections[i]);
-                break;
-            }
-    count = ctx->ass.dialogs_count;
-    if (ass_split(ctx, buf) == 0)
-        dialog = ctx->ass.dialogs + count;
-    if (number)
-        *number = ctx->ass.dialogs_count - count;
-    return dialog;
-}
-
 void ff_ass_free_dialog(ASSDialog **dialogp)
 {
     ASSDialog *dialog = *dialogp;

libavcodec/ass_split.h

@@ -109,22 +109,6 @@ typedef struct ASSSplitContext ASSSplitContext;
  */
 ASSSplitContext *ff_ass_split(const char *buf);
 
-/**
- * Split one or several ASS "Dialogue" lines from a string buffer and store
- * them in an already initialized context.
- *
- * @param ctx Context previously initialized by ff_ass_split().
- * @param buf String containing the ASS "Dialogue" lines.
- * @param cache Set to 1 to keep all the previously split ASSDialog in
- *              the context, or set to 0 to free all the previously split
- *              ASSDialog.
- * @param number If not NULL, the pointed integer will be set to the number
- *               of split ASSDialog.
- * @return Pointer to the first split ASSDialog.
- */
-ASSDialog *ff_ass_split_dialog(ASSSplitContext *ctx, const char *buf,
-                               int cache, int *number);
-
 /**
  * Free a dialogue obtained from ff_ass_split_dialog2().
  */