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Infer ISM content type from URL specified extension

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PiperOrigin-RevId: 326012248
This commit is contained in:
olly 2020-08-11 14:53:13 +01:00 committed by kim-vde
parent 443468d103
commit 82b26357c9
2 changed files with 56 additions and 5 deletions
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23
library/common/src/main/java/com/google/android/exoplayer2/util/Util.java
View file

@ -141,6 +141,12 @@ public final class Util {
+ "(T(([0-9]*)H)?(([0-9]*)M)?(([0-9.]*)S)?)?$");
private static final Pattern ESCAPED_CHARACTER_PATTERN = Pattern.compile("%([A-Fa-f0-9]{2})");
// https://docs.microsoft.com/en-us/azure/media-services/previous/media-services-deliver-content-overview#URLs.
private static final Pattern ISM_URL_PATTERN =
Pattern.compile(".*\\.ism(?:l)?(?:/(?:manifest(?:\\((.+)\\))?)?)?");
private static final String ISM_HLS_FORMAT_EXTENSION = "format=m3u8-aapl";
private static final String ISM_DASH_FORMAT_EXTENSION = "format=mpd-time-csf";
// Replacement map of ISO language codes used for normalization.
@Nullable private static HashMap<String, String> languageTagReplacementMap;
@ -1714,11 +1720,20 @@ public final class Util {
return C.TYPE_DASH;
} else if (fileName.endsWith(".m3u8")) {
return C.TYPE_HLS;
} else if (fileName.matches(".*\\.ism(l)?(/manifest(\\(.+\\))?)?")) {
return C.TYPE_SS;
} else {
return C.TYPE_OTHER;
}
Matcher ismMatcher = ISM_URL_PATTERN.matcher(fileName);
if (ismMatcher.matches()) {
@Nullable String extensions = ismMatcher.group(1);
if (extensions != null) {
if (extensions.contains(ISM_DASH_FORMAT_EXTENSION)) {
return C.TYPE_DASH;
} else if (extensions.contains(ISM_HLS_FORMAT_EXTENSION)) {
return C.TYPE_HLS;
}
}
return C.TYPE_SS;
}
return C.TYPE_OTHER;
}
/**

38
library/common/src/test/java/com/google/android/exoplayer2/util/UtilTest.java
View file

@ -89,13 +89,49 @@ public class UtilTest {
}
@Test
public void inferContentType_returnsInferredResult() {
public void inferContentType_handlesHlsIsmUris() {
assertThat(Util.inferContentType("http://a.b/c.ism/manifest(format=m3u8-aapl)"))
.isEqualTo(C.TYPE_HLS);
assertThat(Util.inferContentType("http://a.b/c.ism/manifest(format=m3u8-aapl,quality=hd)"))
.isEqualTo(C.TYPE_HLS);
assertThat(Util.inferContentType("http://a.b/c.ism/manifest(quality=hd,format=m3u8-aapl)"))
.isEqualTo(C.TYPE_HLS);
}
@Test
public void inferContentType_handlesHlsIsmV3Uris() {
assertThat(Util.inferContentType("http://a.b/c.ism/manifest(format=m3u8-aapl-v3)"))
.isEqualTo(C.TYPE_HLS);
assertThat(Util.inferContentType("http://a.b/c.ism/manifest(format=m3u8-aapl-v3,quality=hd)"))
.isEqualTo(C.TYPE_HLS);
assertThat(Util.inferContentType("http://a.b/c.ism/manifest(quality=hd,format=m3u8-aapl-v3)"))
.isEqualTo(C.TYPE_HLS);
}
@Test
public void inferContentType_handlesDashIsmUris() {
assertThat(Util.inferContentType("http://a.b/c.isml/manifest(format=mpd-time-csf)"))
.isEqualTo(C.TYPE_DASH);
assertThat(Util.inferContentType("http://a.b/c.isml/manifest(format=mpd-time-csf,quality=hd)"))
.isEqualTo(C.TYPE_DASH);
assertThat(Util.inferContentType("http://a.b/c.isml/manifest(quality=hd,format=mpd-time-csf)"))
.isEqualTo(C.TYPE_DASH);
}
@Test
public void inferContentType_handlesSmoothStreamingIsmUris() {
assertThat(Util.inferContentType("http://a.b/c.ism")).isEqualTo(C.TYPE_SS);
assertThat(Util.inferContentType("http://a.b/c.isml")).isEqualTo(C.TYPE_SS);
assertThat(Util.inferContentType("http://a.b/c.ism/")).isEqualTo(C.TYPE_SS);
assertThat(Util.inferContentType("http://a.b/c.isml/")).isEqualTo(C.TYPE_SS);
assertThat(Util.inferContentType("http://a.b/c.ism/Manifest")).isEqualTo(C.TYPE_SS);
assertThat(Util.inferContentType("http://a.b/c.isml/manifest")).isEqualTo(C.TYPE_SS);
assertThat(Util.inferContentType("http://a.b/c.isml/manifest(filter=x)")).isEqualTo(C.TYPE_SS);
}
@Test
public void inferContentType_handlesOtherIsmUris() {
assertThat(Util.inferContentType("http://a.b/c.ism/video.mp4")).isEqualTo(C.TYPE_OTHER);
assertThat(Util.inferContentType("http://a.b/c.ism/prefix-manifest")).isEqualTo(C.TYPE_OTHER);
assertThat(Util.inferContentType("http://a.b/c.ism/manifest-suffix")).isEqualTo(C.TYPE_OTHER);
}