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-rw-r--r--media/libstagefright/httplive/M3UParser.cpp123
1 files changed, 87 insertions, 36 deletions
diff --git a/media/libstagefright/httplive/M3UParser.cpp b/media/libstagefright/httplive/M3UParser.cpp
index 0700de0..1651dee 100644
--- a/media/libstagefright/httplive/M3UParser.cpp
+++ b/media/libstagefright/httplive/M3UParser.cpp
@@ -23,6 +23,7 @@
#include <cutils/properties.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/MediaErrors.h>
#include <media/stagefright/Utils.h>
#include <media/mediaplayer.h>
@@ -58,8 +59,8 @@ struct M3UParser::MediaGroup : public RefBase {
void pickRandomMediaItems();
status_t selectTrack(size_t index, bool select);
- void getTrackInfo(Parcel* reply) const;
size_t countTracks() const;
+ sp<AMessage> getTrackInfo(size_t index) const;
protected:
virtual ~MediaGroup();
@@ -156,8 +157,8 @@ void M3UParser::MediaGroup::pickRandomMediaItems() {
}
status_t M3UParser::MediaGroup::selectTrack(size_t index, bool select) {
- if (mType != TYPE_SUBS) {
- ALOGE("only select subtitile tracks for now!");
+ if (mType != TYPE_SUBS && mType != TYPE_AUDIO) {
+ ALOGE("only select subtitile/audio tracks for now!");
return INVALID_OPERATION;
}
@@ -170,49 +171,56 @@ status_t M3UParser::MediaGroup::selectTrack(size_t index, bool select) {
ALOGE("track %zu already selected", index);
return BAD_VALUE;
}
- ALOGV("selected track %d", index);
+ ALOGV("selected track %zu", index);
mSelectedIndex = index;
} else {
if (mSelectedIndex != (ssize_t)index) {
ALOGE("track %zu is not selected", index);
return BAD_VALUE;
}
- ALOGV("unselected track %d", index);
+ ALOGV("unselected track %zu", index);
mSelectedIndex = -1;
}
return OK;
}
-void M3UParser::MediaGroup::getTrackInfo(Parcel* reply) const {
- for (size_t i = 0; i < mMediaItems.size(); ++i) {
- reply->writeInt32(2); // 2 fields
-
- if (mType == TYPE_AUDIO) {
- reply->writeInt32(MEDIA_TRACK_TYPE_AUDIO);
- } else if (mType == TYPE_VIDEO) {
- reply->writeInt32(MEDIA_TRACK_TYPE_VIDEO);
- } else if (mType == TYPE_SUBS) {
- reply->writeInt32(MEDIA_TRACK_TYPE_SUBTITLE);
- } else {
- reply->writeInt32(MEDIA_TRACK_TYPE_UNKNOWN);
- }
+size_t M3UParser::MediaGroup::countTracks() const {
+ return mMediaItems.size();
+}
- const Media &item = mMediaItems.itemAt(i);
- const char *lang = item.mLanguage.empty() ? "und" : item.mLanguage.c_str();
- reply->writeString16(String16(lang));
+sp<AMessage> M3UParser::MediaGroup::getTrackInfo(size_t index) const {
+ if (index >= mMediaItems.size()) {
+ return NULL;
+ }
- if (mType == TYPE_SUBS) {
- // TO-DO: pass in a MediaFormat instead
- reply->writeInt32(!!(item.mFlags & MediaGroup::FLAG_AUTOSELECT));
- reply->writeInt32(!!(item.mFlags & MediaGroup::FLAG_DEFAULT));
- reply->writeInt32(!!(item.mFlags & MediaGroup::FLAG_FORCED));
- }
+ sp<AMessage> format = new AMessage();
+
+ int32_t trackType;
+ if (mType == TYPE_AUDIO) {
+ trackType = MEDIA_TRACK_TYPE_AUDIO;
+ } else if (mType == TYPE_VIDEO) {
+ trackType = MEDIA_TRACK_TYPE_VIDEO;
+ } else if (mType == TYPE_SUBS) {
+ trackType = MEDIA_TRACK_TYPE_SUBTITLE;
+ } else {
+ trackType = MEDIA_TRACK_TYPE_UNKNOWN;
+ }
+ format->setInt32("type", trackType);
+
+ const Media &item = mMediaItems.itemAt(index);
+ const char *lang = item.mLanguage.empty() ? "und" : item.mLanguage.c_str();
+ format->setString("language", lang);
+
+ if (mType == TYPE_SUBS) {
+ // TO-DO: pass in a MediaFormat instead
+ format->setString("mime", MEDIA_MIMETYPE_TEXT_VTT);
+ format->setInt32("auto", !!(item.mFlags & MediaGroup::FLAG_AUTOSELECT));
+ format->setInt32("default", !!(item.mFlags & MediaGroup::FLAG_DEFAULT));
+ format->setInt32("forced", !!(item.mFlags & MediaGroup::FLAG_FORCED));
}
-}
-size_t M3UParser::MediaGroup::countTracks() const {
- return mMediaItems.size();
+ return format;
}
bool M3UParser::MediaGroup::getActiveURI(AString *uri) const {
@@ -238,6 +246,7 @@ M3UParser::M3UParser(
mIsVariantPlaylist(false),
mIsComplete(false),
mIsEvent(false),
+ mDiscontinuitySeq(0),
mSelectedIndex(-1) {
mInitCheck = parse(data, size);
}
@@ -265,6 +274,10 @@ bool M3UParser::isEvent() const {
return mIsEvent;
}
+size_t M3UParser::getDiscontinuitySeq() const {
+ return mDiscontinuitySeq;
+}
+
sp<AMessage> M3UParser::meta() {
return mMeta;
}
@@ -319,17 +332,24 @@ status_t M3UParser::selectTrack(size_t index, bool select) {
return INVALID_OPERATION;
}
-status_t M3UParser::getTrackInfo(Parcel* reply) const {
+size_t M3UParser::getTrackCount() const {
size_t trackCount = 0;
for (size_t i = 0; i < mMediaGroups.size(); ++i) {
trackCount += mMediaGroups.valueAt(i)->countTracks();
}
- reply->writeInt32(trackCount);
+ return trackCount;
+}
- for (size_t i = 0; i < mMediaGroups.size(); ++i) {
- mMediaGroups.valueAt(i)->getTrackInfo(reply);
+sp<AMessage> M3UParser::getTrackInfo(size_t index) const {
+ for (size_t i = 0, ii = index; i < mMediaGroups.size(); ++i) {
+ sp<MediaGroup> group = mMediaGroups.valueAt(i);
+ size_t tracks = group->countTracks();
+ if (ii < tracks) {
+ return group->getTrackInfo(ii);
+ }
+ ii -= tracks;
}
- return OK;
+ return NULL;
}
ssize_t M3UParser::getSelectedIndex() const {
@@ -552,6 +572,12 @@ status_t M3UParser::parse(const void *_data, size_t size) {
}
} else if (line.startsWith("#EXT-X-MEDIA")) {
err = parseMedia(line);
+ } else if (line.startsWith("#EXT-X-DISCONTINUITY-SEQUENCE")) {
+ size_t seq;
+ err = parseDiscontinuitySequence(line, &seq);
+ if (err == OK) {
+ mDiscontinuitySeq = seq;
+ }
}
if (err != OK) {
@@ -806,7 +832,8 @@ status_t M3UParser::parseCipherInfo(
if (MakeURL(baseURI.c_str(), val.c_str(), &absURI)) {
val = absURI;
} else {
- ALOGE("failed to make absolute url for <URL suppressed>.");
+ ALOGE("failed to make absolute url for %s.",
+ uriDebugString(baseURI).c_str());
}
}
@@ -1094,6 +1121,30 @@ status_t M3UParser::parseMedia(const AString &line) {
}
// static
+status_t M3UParser::parseDiscontinuitySequence(const AString &line, size_t *seq) {
+ ssize_t colonPos = line.find(":");
+
+ if (colonPos < 0) {
+ return ERROR_MALFORMED;
+ }
+
+ int32_t x;
+ status_t err = ParseInt32(line.c_str() + colonPos + 1, &x);
+ if (err != OK) {
+ return err;
+ }
+
+ if (x < 0) {
+ return ERROR_MALFORMED;
+ }
+
+ if (seq) {
+ *seq = x;
+ }
+ return OK;
+}
+
+// static
status_t M3UParser::ParseInt32(const char *s, int32_t *x) {
char *end;
long lval = strtol(s, &end, 10);
generated by cgit v1.1 at 2024-05-31 04:56:19 +0000