[vlc-devel] [PATCH 47/48] hls: Trying to work arround streams without bandwidth value.

[Hugo Beauzée-Luyssen]

A 0 bandwidth forbid us to seek, as the position would always be 0.
This fixes #5370
---
 modules/stream_filter/httplive.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/modules/stream_filter/httplive.c b/modules/stream_filter/httplive.c
index 65de170..ce1656b 100644
--- a/modules/stream_filter/httplive.c
+++ b/modules/stream_filter/httplive.c
@@ -288,6 +288,10 @@ static uint64_t hls_GetStreamSize(hls_stream_t *hls)
      * then the deviation from exact byte size will be big and the seek/
      * progressbar will not behave entirely as one expects. */
     uint64_t size = 0UL;
+    /*  If we don't have a valid bandwidth yet, there's no point in
+     *  computing the stream size */
+    if ( hls->bandwidth == 0 )
+        return size;
     int count = vlc_array_count(hls->segments);
     for (int n = 0; n < count; n++)
     {
@@ -1465,6 +1469,11 @@ static int hls_DownloadSegmentData(stream_t *s, hls_stream_t *hls, segment_t *se
         goto fail;
     }
     mtime_t duration = mdate() - start;
+    if ( hls->bandwidth == 0 )
+    {
+        /* Try to estimate the bandwidth for this stream */
+        hls->bandwidth = (uint64_t)( (double)segment->size / ( (double)duration / 1000000.0 ) );
+    }
 
     msg_Info(s, "downloaded segment %d from stream %d in %dms",
                 segment->sequence, *cur_stream, (int)(duration/1000));
@@ -2376,9 +2385,10 @@ static uint64_t GetStreamSize(stream_t *s)
     if (hls == NULL) return 0;
 
     vlc_mutex_lock(&hls->lock);
+    if ( hls->size == 0 )
+        hls->size = hls_GetStreamSize( hls );
     uint64_t size = hls->size;
     vlc_mutex_unlock(&hls->lock);
-
     return size;
 }
 
-- 
1.7.8.3