From 1a649df00ac167aec4cc8ce2f140ab22710f468a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Mon, 15 May 2023 21:41:58 +0200
Subject: [PATCH] Revert "demux/demux_lavf: pass dummy filename when an HLS
 mimetype is detected"

This reverts commit acababec208ec4f26c1462228a9ec1d4aac2c815.

Now it has been fixed upstream FFmpeg@6b1f68c.
---
 demux/demux_lavf.c | 29 ++---------------------------
 1 file changed, 2 insertions(+), 27 deletions(-)

diff --git a/demux/demux_lavf.c b/demux/demux_lavf.c
index d34cb1ecfa..ee08b4df6c 100644
--- a/demux/demux_lavf.c
+++ b/demux/demux_lavf.c
@@ -423,17 +423,6 @@ static char *remove_prefix(char *s, const char *const *prefixes)
 static const char *const prefixes[] =
     {"ffmpeg://", "lavf://", "avdevice://", "av://", NULL};
 
-/*
- * https://www.rfc-editor.org/rfc/rfc8216.txt
- *
- * application/x-mpegurl is a legacy mimetype in Apple's HLS docs
- */
-static const char *const hls_mime_types[] = {
-    "application/x-mpegurl",
-    "application/vnd.apple.mpegurl",
-    "audio/mpegurl",
-};
-
 static int lavf_check_file(demuxer_t *demuxer, enum demux_check check)
 {
     lavf_priv_t *priv = demuxer->priv;
@@ -477,23 +466,9 @@ static int lavf_check_file(demuxer_t *demuxer, enum demux_check check)
         }
     }
 
-    bool matches_hls_mime = 0;
-    for (int i = 0; i < MP_ARRAY_SIZE(hls_mime_types); i++) {
-        if (!strcasecmp(mime_type, hls_mime_types[i])) {
-            matches_hls_mime = 1;
-            break;
-        }
-    }
-
     AVProbeData avpd = {
-        /*
-         * Disable file-extension matching with normal checks,
-         * unless it's an HLS mimetype.
-         *
-         * The HLS check works around a regression introduced by FFmpeg commit
-         * 6b1f68ccb04d791f0250e05687c346a99ff47ea1 that is unlikely to be reverted.
-         */
-        .filename = matches_hls_mime ? "dummy.m3u8" : (check <= DEMUX_CHECK_REQUEST ? priv->filename : ""),
+        // Disable file-extension matching with normal checks
+        .filename = check <= DEMUX_CHECK_REQUEST ? priv->filename : "",
         .buf_size = 0,
         .buf = av_mallocz(PROBE_BUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE),
     };