[FFmpeg-devel] [PATCH] avformat/hls: fix handle_init_section_args callback type (PR #20124)

[FFmpeg-devel] [PATCH] avformat/hls: fix handle_init_section_args callback type (PR #20124)

[Kacper Michajłow]

PR #20124 opened by Kacper Michajłow (kasper93)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20124
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20124.patch


From 9e0c4693414bc97587d234b60c76a2470ee45e0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Mon, 4 Aug 2025 02:42:28 +0200
Subject: [PATCH 1/2] avutil/tx: zero whole array, not only one element
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
---
 libavutil/tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavutil/tx.c b/libavutil/tx.c
index 0aae4c7cf7..05c132ada1 100644
--- a/libavutil/tx.c
+++ b/libavutil/tx.c
@@ -284,7 +284,7 @@ static void reset_ctx(AVTXContext *s, int free_sub)
      * ff_tx_init_subtx() call is made. */
     s->nb_sub = 0;
     s->opaque = NULL;
-    memset(s->fn, 0, sizeof(*s->fn));
+    memset(s->fn, 0, sizeof(s->fn));
 }
 
 void ff_tx_clear_ctx(AVTXContext *s)
-- 
2.49.1


From a8b32a0b0a5f3cea033842b43ce293bbb8d761bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Tue, 5 Aug 2025 19:26:50 +0200
Subject: [PATCH 2/2] avformat/hls: fix handle_init_section_args callback type
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixes: utils.c:524:9: runtime error: call to function
       handle_init_section_args through pointer to incorrect function type
       'void (*)(void *, const char *, int, char **, int *)'

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
---
 libavformat/hls.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavformat/hls.c b/libavformat/hls.c
index 505fb6146f..22ee1c6872 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -462,9 +462,10 @@ static struct segment *new_init_section(struct playlist *pls,
     return sec;
 }
 
-static void handle_init_section_args(struct init_section_info *info, const char *key,
-                                           int key_len, char **dest, int *dest_len)
+static void handle_init_section_args(void *context, const char *key,
+                                     int key_len, char **dest, int *dest_len)
 {
+    struct init_section_info *info = context;
     if (!strncmp(key, "URI=", key_len)) {
         *dest     =        info->uri;
         *dest_len = sizeof(info->uri);
@@ -916,8 +917,7 @@ static int parse_playlist(HLSContext *c, const char *url,
             ret = ensure_playlist(c, &pls, url);
             if (ret < 0)
                 goto fail;
-            ff_parse_key_value(ptr, (ff_parse_key_val_cb) handle_init_section_args,
-                               &info);
+            ff_parse_key_value(ptr, handle_init_section_args, &info);
             cur_init_section = new_init_section(pls, &info, url);
             if (!cur_init_section) {
                 ret = AVERROR(ENOMEM);
-- 
2.49.1

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