From: softworkz <softwo...@hotmail.com>

Signed-off-by: softworkz <softwo...@hotmail.com>
---
    avformat/hlsenc: Some HLS improvements
    
    Includes only a single patch now:
    
     * Fix path handling on Windows
    
    
    Versions
    ========
    
    
    V2
    ==
    
     * Fix path handling for Windows;
       * Keep using av_asprintf() with "%*s" to limit the length (as per
         review by Marton - thanks!)
       * Use int64:_t instead of int
     * Removed logging patches
    
    .

Published-As: 
https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-97%2Fsoftworkz%2Fsubmit_hls_logging-v2
Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg 
pr-ffstaging-97/softworkz/submit_hls_logging-v2
Pull-Request: https://github.com/ffstaging/FFmpeg/pull/97

Range-diff vs v1:

 1:  58988164f2 < -:  ---------- avformat/hlsenc: Log information about 
segments written
 2:  1a4268d7e1 < -:  ---------- avformat/hlsenc: Log InitFileComplete message
 3:  99dfda2420 ! 1:  93e1a502be avformat/hlsenc: Fix path handling for Windows
     @@ libavformat/hlsenc.c: static int hlsenc_io_close(AVFormatContext *s, 
AVIOContext
           return ret;
       }
       
     -+static int get_last_separator_pos(const char *path)
     ++static int64_t get_last_separator_pos(const char *path)
      +{
      +    if (!path || *path == '\0')
      +        return -1;
     @@ libavformat/hlsenc.c: static int hls_rename_temp_file(AVFormatContext 
*s, AVForm
      -    size_t base_len = 0;
      -
      -    if (!p) p = strrchr(master_url, '\\');
     -+    int pos = get_last_separator_pos(master_url);
     ++    int64_t pos = get_last_separator_pos(master_url);
       
      -    if (p) {
      -        base_len = p - master_url;
     @@ libavformat/hlsenc.c: static int hls_init(AVFormatContext *s)
      -                    char tmp = *(++p);
      -                    *p = '\0';
      -                    vs->base_output_dirname = av_asprintf("%s%s", 
vs->m3u8_name,
     --                                                          
vs->fmp4_init_filename);
     --                    *p = tmp;
     -+                int pos = get_last_separator_pos(vs->m3u8_name);
     ++                int64_t pos = get_last_separator_pos(vs->m3u8_name);
      +                if (pos >= 0) {
     -+                    AVBPrint buf;
     -+                    av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
     -+                    av_bprint_append_data(&buf, vs->m3u8_name, pos + 1);
     -+                    av_bprintf(&buf, "%s", vs->fmp4_init_filename);
     -+                    av_bprint_finalize(&buf, &vs->base_output_dirname);
     ++                    vs->base_output_dirname = av_asprintf("%.*s%s", pos 
+ 1, vs->m3u8_name,
     +                                                           
vs->fmp4_init_filename);
     +-                    *p = tmp;
                       } else {
                           vs->base_output_dirname = 
av_strdup(vs->fmp4_init_filename);
                       }


 libavformat/hlsenc.c | 38 ++++++++++++++++++++++++--------------
 1 file changed, 24 insertions(+), 14 deletions(-)

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index a93d35ab75..965ed9c1c0 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -329,6 +329,23 @@ static int hlsenc_io_close(AVFormatContext *s, AVIOContext 
**pb, char *filename)
     return ret;
 }
 
+static int64_t get_last_separator_pos(const char *path)
+{
+    if (!path || *path == '\0')
+        return -1;
+
+    char *p = strrchr(path, '/');
+#if HAVE_DOS_PATHS
+    char *q = strrchr(path, '\\');
+    p = FFMAX(p, q);
+#endif
+
+    if (!p)
+        return -1;
+
+    return p - path;
+}
+
 static void set_http_options(AVFormatContext *s, AVDictionary **options, 
HLSContext *c)
 {
     int http_base_proto = ff_is_http_proto(s->url);
@@ -1408,14 +1425,10 @@ static int hls_rename_temp_file(AVFormatContext *s, 
AVFormatContext *oc)
 
 static const char* get_relative_url(const char *master_url, const char 
*media_url)
 {
-    const char *p = strrchr(master_url, '/');
-    size_t base_len = 0;
-
-    if (!p) p = strrchr(master_url, '\\');
+    int64_t pos = get_last_separator_pos(master_url);
 
-    if (p) {
-        base_len = p - master_url;
-        if (av_strncasecmp(master_url, media_url, base_len)) {
+    if (pos >= 0) {
+        if (av_strncasecmp(master_url, media_url, pos)) {
             av_log(NULL, AV_LOG_WARNING, "Unable to find relative url\n");
             return NULL;
         }
@@ -1423,7 +1436,7 @@ static const char* get_relative_url(const char 
*master_url, const char *media_ur
         return media_url;
     }
 
-    return media_url + base_len + 1;
+    return media_url + pos + 1;
 }
 
 static int64_t get_stream_bit_rate(AVStream *stream)
@@ -3142,13 +3155,10 @@ static int hls_init(AVFormatContext *s)
                     vs->fmp4_init_filename = expanded;
                 }
 
-                p = strrchr(vs->m3u8_name, '/');
-                if (p) {
-                    char tmp = *(++p);
-                    *p = '\0';
-                    vs->base_output_dirname = av_asprintf("%s%s", 
vs->m3u8_name,
+                int64_t pos = get_last_separator_pos(vs->m3u8_name);
+                if (pos >= 0) {
+                    vs->base_output_dirname = av_asprintf("%.*s%s", pos + 1, 
vs->m3u8_name,
                                                           
vs->fmp4_init_filename);
-                    *p = tmp;
                 } else {
                     vs->base_output_dirname = 
av_strdup(vs->fmp4_init_filename);
                 }

base-commit: f3bf5356966b4ad9334034e720fa224c2d9464a6
-- 
ffmpeg-codebot
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