[FragmentData] Fix starts_with_idr setting

Poor implementation did not retain the fact that Fragment did not start with IDR after successive headers were found.

Author: hparra

src/org/mangui/hls/model/FragmentData.as

@@ -70,7 +70,7 @@ package org.mangui.hls.model {
  this.valid = true;
  this.video_width = 0;
  this.video_height = 0;
- this.starts_with_idr = false;
+ this.starts_with_idr = true;
  this.pts_min_video_header = NaN;
  };
 
@@ -106,7 +106,9 @@ package org.mangui.hls.model {
  tags_pts_max_video = Math.max(tags_pts_max_video, tag.pts);
  pts_min_video = Math.min(pts_min_video, tag.pts);
  pts_max_video = Math.max(pts_max_video, tag.pts);
- starts_with_idr = !isNaN(pts_min_video_header) && pts_min_video_header <= tag.pts;
+ if (isNaN(pts_min_video_header)) {
+ starts_with_idr = false;
+ }
  break;
  case FLVTag.DISCONTINUITY:
  case FLVTag.METADATA:
@@ -125,7 +127,7 @@ package org.mangui.hls.model {
  pts_min_audio = pts_min_video = dts_min = tags_pts_min_audio = tags_pts_min_video = Number.POSITIVE_INFINITY;
  pts_max_audio = pts_max_video = tags_pts_max_audio = tags_pts_max_video = Number.NEGATIVE_INFINITY;
  audio_found = video_found = tags_audio_found = tags_video_found = false;
- starts_with_idr = false;
+ starts_with_idr = true;
  pts_min_video_header = NaN;
  }