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-rw-r--r--media/libstagefright/MPEG4Extractor.cpp45
-rw-r--r--media/libstagefright/include/MPEG4Extractor.h4
-rw-r--r--media/libstagefright/timedtext/TimedText3GPPSource.cpp14
-rw-r--r--media/libstagefright/timedtext/TimedText3GPPSource.h3
-rw-r--r--media/libstagefright/timedtext/TimedTextPlayer.cpp30
-rw-r--r--media/libstagefright/timedtext/TimedTextPlayer.h1
-rw-r--r--media/libstagefright/timedtext/TimedTextSRTSource.cpp12
-rw-r--r--media/libstagefright/timedtext/TimedTextSRTSource.h3
-rw-r--r--media/libstagefright/timedtext/TimedTextSource.h3
9 files changed, 95 insertions, 20 deletions
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index 6c95d4e..663f285 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -599,6 +599,7 @@ static void convertTimeToDate(int64_t time_1904, String8 *s) {
}
status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
+ ALOGV("entering parseChunk %lld/%d", *offset, depth);
uint32_t hdr[2];
if (mDataSource->readAt(*offset, hdr, 8) < 8) {
return ERROR_IO;
@@ -625,6 +626,7 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
char chunk[5];
MakeFourCCString(chunk_type, chunk);
+ ALOGV("chunk: %s @ %lld", chunk, *offset);
#if 0
static const char kWhitespace[] = " ";
@@ -1302,6 +1304,8 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
break;
}
+ case FOURCC('m', 'e', 'a', 'n'):
+ case FOURCC('n', 'a', 'm', 'e'):
case FOURCC('d', 'a', 't', 'a'):
{
if (mPath.size() == 6 && underMetaDataPath(mPath)) {
@@ -1437,6 +1441,15 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
break;
}
+ case FOURCC('-', '-', '-', '-'):
+ {
+ mLastCommentMean.clear();
+ mLastCommentName.clear();
+ mLastCommentData.clear();
+ *offset += chunk_size;
+ break;
+ }
+
default:
{
*offset += chunk_size;
@@ -1553,6 +1566,9 @@ status_t MPEG4Extractor::parseMetaData(off64_t offset, size_t size) {
uint32_t flags = U32_AT(buffer);
uint32_t metadataKey = 0;
+ char chunk[5];
+ MakeFourCCString(mPath[4], chunk);
+ ALOGV("meta: %s @ %lld", chunk, offset);
switch (mPath[4]) {
case FOURCC(0xa9, 'a', 'l', 'b'):
{
@@ -1632,6 +1648,35 @@ status_t MPEG4Extractor::parseMetaData(off64_t offset, size_t size) {
}
break;
}
+ case FOURCC('-', '-', '-', '-'):
+ {
+ buffer[size] = '\0';
+ switch (mPath[5]) {
+ case FOURCC('m', 'e', 'a', 'n'):
+ mLastCommentMean.setTo((const char *)buffer + 4);
+ break;
+ case FOURCC('n', 'a', 'm', 'e'):
+ mLastCommentName.setTo((const char *)buffer + 4);
+ break;
+ case FOURCC('d', 'a', 't', 'a'):
+ mLastCommentData.setTo((const char *)buffer + 8);
+ break;
+ }
+ if (mLastCommentMean == "com.apple.iTunes"
+ && mLastCommentName == "iTunSMPB"
+ && mLastCommentData.length() != 0) {
+ int32_t delay, padding;
+ if (sscanf(mLastCommentData,
+ " %*x %x %x %*x", &delay, &padding) == 2) {
+ mLastTrack->meta->setInt32(kKeyEncoderDelay, delay);
+ mLastTrack->meta->setInt32(kKeyEncoderPadding, padding);
+ }
+ mLastCommentMean.clear();
+ mLastCommentName.clear();
+ mLastCommentData.clear();
+ }
+ break;
+ }
default:
break;
diff --git a/media/libstagefright/include/MPEG4Extractor.h b/media/libstagefright/include/MPEG4Extractor.h
index eae62c6..5c549e0 100644
--- a/media/libstagefright/include/MPEG4Extractor.h
+++ b/media/libstagefright/include/MPEG4Extractor.h
@@ -20,6 +20,7 @@
#include <media/stagefright/MediaExtractor.h>
#include <utils/Vector.h>
+#include <utils/String8.h>
namespace android {
@@ -64,6 +65,9 @@ private:
sp<MetaData> mFileMetaData;
Vector<uint32_t> mPath;
+ String8 mLastCommentMean;
+ String8 mLastCommentName;
+ String8 mLastCommentData;
status_t readMetaData();
status_t parseChunk(off64_t *offset, int depth);
diff --git a/media/libstagefright/timedtext/TimedText3GPPSource.cpp b/media/libstagefright/timedtext/TimedText3GPPSource.cpp
index c423ef0..4854121 100644
--- a/media/libstagefright/timedtext/TimedText3GPPSource.cpp
+++ b/media/libstagefright/timedtext/TimedText3GPPSource.cpp
@@ -39,19 +39,21 @@ TimedText3GPPSource::~TimedText3GPPSource() {
}
status_t TimedText3GPPSource::read(
- int64_t *timeUs, Parcel *parcel, const MediaSource::ReadOptions *options) {
+ int64_t *startTimeUs, int64_t *endTimeUs, Parcel *parcel,
+ const MediaSource::ReadOptions *options) {
MediaBuffer *textBuffer = NULL;
status_t err = mSource->read(&textBuffer, options);
if (err != OK) {
return err;
}
CHECK(textBuffer != NULL);
- textBuffer->meta_data()->findInt64(kKeyTime, timeUs);
- // TODO: this is legacy code. when 'timeUs' can be <= 0?
- if (*timeUs > 0) {
- extractAndAppendLocalDescriptions(*timeUs, textBuffer, parcel);
- }
+ textBuffer->meta_data()->findInt64(kKeyTime, startTimeUs);
+ CHECK_GE(*startTimeUs, 0);
+ extractAndAppendLocalDescriptions(*startTimeUs, textBuffer, parcel);
textBuffer->release();
+ // endTimeUs is a dummy parameter for 3gpp timed text format.
+ // Set a negative value to it to mark it is unavailable.
+ *endTimeUs = -1;
return OK;
}
diff --git a/media/libstagefright/timedtext/TimedText3GPPSource.h b/media/libstagefright/timedtext/TimedText3GPPSource.h
index 4ec3d8a..4170940 100644
--- a/media/libstagefright/timedtext/TimedText3GPPSource.h
+++ b/media/libstagefright/timedtext/TimedText3GPPSource.h
@@ -33,7 +33,8 @@ public:
virtual status_t start() { return mSource->start(); }
virtual status_t stop() { return mSource->stop(); }
virtual status_t read(
- int64_t *timeUs,
+ int64_t *startTimeUs,
+ int64_t *endTimeUs,
Parcel *parcel,
const MediaSource::ReadOptions *options = NULL);
virtual status_t extractGlobalDescriptions(Parcel *parcel);
diff --git a/media/libstagefright/timedtext/TimedTextPlayer.cpp b/media/libstagefright/timedtext/TimedTextPlayer.cpp
index 8717914..917c62a 100644
--- a/media/libstagefright/timedtext/TimedTextPlayer.cpp
+++ b/media/libstagefright/timedtext/TimedTextPlayer.cpp
@@ -31,6 +31,7 @@
namespace android {
static const int64_t kAdjustmentProcessingTimeUs = 100000ll;
+static const int64_t kWaitTimeUsToRetryRead = 100000ll;
TimedTextPlayer::TimedTextPlayer(const wp<MediaPlayerBase> &listener)
: mListener(listener),
@@ -139,13 +140,25 @@ void TimedTextPlayer::doSeekAndRead(int64_t seekTimeUs) {
}
void TimedTextPlayer::doRead(MediaSource::ReadOptions* options) {
- int64_t timeUs = 0;
+ int64_t startTimeUs = 0;
+ int64_t endTimeUs = 0;
sp<ParcelEvent> parcelEvent = new ParcelEvent();
- status_t err = mSource->read(&timeUs, &(parcelEvent->parcel), options);
- if (err != OK) {
+ status_t err = mSource->read(&startTimeUs, &endTimeUs,
+ &(parcelEvent->parcel), options);
+ if (err == WOULD_BLOCK) {
+ postTextEventDelayUs(NULL, kWaitTimeUsToRetryRead);
+ return;
+ } else if (err != OK) {
notifyError(err);
- } else {
- postTextEvent(parcelEvent, timeUs);
+ return;
+ }
+
+ postTextEvent(parcelEvent, startTimeUs);
+ if (endTimeUs > 0) {
+ CHECK_GE(endTimeUs, startTimeUs);
+ // send an empty timed text to clear the subtitle when it reaches to the
+ // end time.
+ postTextEvent(NULL, endTimeUs);
}
}
@@ -162,6 +175,13 @@ void TimedTextPlayer::postTextEvent(const sp<ParcelEvent>& parcel, int64_t timeU
} else {
delayUs = timeUs - positionUs - kAdjustmentProcessingTimeUs;
}
+ postTextEventDelayUs(parcel, delayUs);
+ }
+}
+
+void TimedTextPlayer::postTextEventDelayUs(const sp<ParcelEvent>& parcel, int64_t delayUs) {
+ sp<MediaPlayerBase> listener = mListener.promote();
+ if (listener != NULL) {
sp<AMessage> msg = new AMessage(kWhatSendSubtitle, id());
msg->setInt32("generation", mSendSubtitleGeneration);
if (parcel != NULL) {
diff --git a/media/libstagefright/timedtext/TimedTextPlayer.h b/media/libstagefright/timedtext/TimedTextPlayer.h
index b869f18..47aff03 100644
--- a/media/libstagefright/timedtext/TimedTextPlayer.h
+++ b/media/libstagefright/timedtext/TimedTextPlayer.h
@@ -67,6 +67,7 @@ private:
void doRead(MediaSource::ReadOptions* options = NULL);
void onTextEvent();
void postTextEvent(const sp<ParcelEvent>& parcel = NULL, int64_t timeUs = -1);
+ void postTextEventDelayUs(const sp<ParcelEvent>& parcel = NULL, int64_t delayUs = -1);
void notifyError(int error = 0);
void notifyListener(const Parcel *parcel = NULL);
diff --git a/media/libstagefright/timedtext/TimedTextSRTSource.cpp b/media/libstagefright/timedtext/TimedTextSRTSource.cpp
index c44a99b..7b1f7f6 100644
--- a/media/libstagefright/timedtext/TimedTextSRTSource.cpp
+++ b/media/libstagefright/timedtext/TimedTextSRTSource.cpp
@@ -19,6 +19,7 @@
#include <utils/Log.h>
#include <binder/Parcel.h>
+#include <media/stagefright/foundation/ADebug.h> // for CHECK_xx
#include <media/stagefright/foundation/AString.h>
#include <media/stagefright/DataSource.h>
#include <media/stagefright/MediaDefs.h> // for MEDIA_MIMETYPE_xxx
@@ -63,19 +64,18 @@ status_t TimedTextSRTSource::stop() {
}
status_t TimedTextSRTSource::read(
- int64_t *timeUs,
+ int64_t *startTimeUs,
+ int64_t *endTimeUs,
Parcel *parcel,
const MediaSource::ReadOptions *options) {
- int64_t endTimeUs;
AString text;
- status_t err = getText(options, &text, timeUs, &endTimeUs);
+ status_t err = getText(options, &text, startTimeUs, endTimeUs);
if (err != OK) {
return err;
}
- if (*timeUs > 0) {
- extractAndAppendLocalDescriptions(*timeUs, text, parcel);
- }
+ CHECK_GE(*startTimeUs, 0);
+ extractAndAppendLocalDescriptions(*startTimeUs, text, parcel);
return OK;
}
diff --git a/media/libstagefright/timedtext/TimedTextSRTSource.h b/media/libstagefright/timedtext/TimedTextSRTSource.h
index 62710a0..e1371b8 100644
--- a/media/libstagefright/timedtext/TimedTextSRTSource.h
+++ b/media/libstagefright/timedtext/TimedTextSRTSource.h
@@ -36,7 +36,8 @@ public:
virtual status_t start();
virtual status_t stop();
virtual status_t read(
- int64_t *timeUs,
+ int64_t *startTimeUs,
+ int64_t *endTimeUs,
Parcel *parcel,
const MediaSource::ReadOptions *options = NULL);
virtual sp<MetaData> getFormat();
diff --git a/media/libstagefright/timedtext/TimedTextSource.h b/media/libstagefright/timedtext/TimedTextSource.h
index 9349342..756cc31 100644
--- a/media/libstagefright/timedtext/TimedTextSource.h
+++ b/media/libstagefright/timedtext/TimedTextSource.h
@@ -43,7 +43,8 @@ class TimedTextSource : public RefBase {
virtual status_t stop() = 0;
// Returns subtitle parcel and its start time.
virtual status_t read(
- int64_t *timeUs,
+ int64_t *startTimeUs,
+ int64_t *endTimeUs,
Parcel *parcel,
const MediaSource::ReadOptions *options = NULL) = 0;
virtual status_t extractGlobalDescriptions(Parcel *parcel) {
generated by cgit v1.1 at 2024-07-29 04:57:41 +0000