Detect HLS from demuxing results

media/filters/ffmpeg_glue.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/filters/ffmpeg_glue.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/synchronization/lock.h"
@@ skipping 147 matching lines @@
     if (pos < 0)
       return false;
 
     const int num_read =
         AVIOReadOperation(avio_context_->opaque, buffer.data(), buffer.size());
     if (num_read < container_names::kMinimumContainerSize)
       return false;
 
     container_ = container_names::DetermineContainer(buffer.data(), num_read);
     UMA_HISTOGRAM_SPARSE_SLOWLY("Media.DetectedContainer", container_);
+
+    detected_hls_ =
+        container_ == container_names::MediaContainerName::CONTAINER_HLS;
     return false;
   } else if (ret < 0) {
     return false;
   }
 
   // Rely on ffmpeg's parsing if we're able to succesfully open the file.
   if (strcmp(format_context_->iformat->name, "mov,mp4,m4a,3gp,3g2,mj2") == 0)
     container_ = container_names::CONTAINER_MOV;
   else if (strcmp(format_context_->iformat->name, "flac") == 0)
     container_ = container_names::CONTAINER_FLAC;
@@ skipping 33 matching lines @@
     avformat_free_context(format_context_);
     av_free(avio_context_->buffer);
     return;
   }
 
   avformat_close_input(&format_context_);
   av_free(avio_context_->buffer);
 }
 
 }  // namespace media