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Bug 762366 - Refactor omx plugin's ReadVideo method - r=edwin

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This commit is contained in:
Chris Double 2012-06-08 14:30:47 +12:00
parent f9b733dcd5
commit 924d68600e
1 changed files with 53 additions and 66 deletions
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119
media/omx-plugin/OmxPlugin.cpp
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@ -488,76 +488,63 @@ bool OmxDecoder::ReadVideo(VideoFrame *aFrame, int64_t aSeekTimeUs)
if (!mVideoSource.get())
return false;
for (;;) {
ReleaseVideoBuffer();
ReleaseVideoBuffer();
status_t err;
status_t err;
if (aSeekTimeUs != -1) {
MediaSource::ReadOptions options;
options.setSeekTo(aSeekTimeUs);
err = mVideoSource->read(&mVideoBuffer, &options);
} else {
err = mVideoSource->read(&mVideoBuffer);
}
if (err == OK) {
if (mVideoBuffer->range_length() == 0) // If we get a spurious empty buffer, keep going
continue;
int64_t timeUs;
int32_t unreadable;
int32_t keyFrame;
if (!mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs) ) {
LOG("no key time");
return false;
}
if (!mVideoBuffer->meta_data()->findInt32(kKeyIsSyncFrame, &keyFrame)) {
keyFrame = 0;
}
if (!mVideoBuffer->meta_data()->findInt32(kKeyIsUnreadable, &unreadable)) {
unreadable = 0;
}
LOG("data: %p size: %u offset: %u length: %u unreadable: %d",
mVideoBuffer->data(),
mVideoBuffer->size(),
mVideoBuffer->range_offset(),
mVideoBuffer->range_length(),
unreadable);
char *data = reinterpret_cast<char *>(mVideoBuffer->data()) + mVideoBuffer->range_offset();
size_t length = mVideoBuffer->range_length();
if (unreadable) {
LOG("video frame is unreadable");
}
if (!ToVideoFrame(aFrame, timeUs, data, length, keyFrame)) {
return false;
}
return true;
}
if (err == INFO_FORMAT_CHANGED) {
// If the format changed, update our cached info.
if (!SetVideoFormat()) {
return false;
}
// Ok, try to read a buffer again.
continue;
}
/* err == ERROR_END_OF_STREAM */
break;
if (aSeekTimeUs != -1) {
MediaSource::ReadOptions options;
options.setSeekTo(aSeekTimeUs);
err = mVideoSource->read(&mVideoBuffer, &options);
} else {
err = mVideoSource->read(&mVideoBuffer);
}
return false;
if (err == OK && mVideoBuffer->range_length() > 0) {
int64_t timeUs;
int32_t unreadable;
int32_t keyFrame;
if (!mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs) ) {
LOG("no key time");
return false;
}
if (!mVideoBuffer->meta_data()->findInt32(kKeyIsSyncFrame, &keyFrame)) {
keyFrame = 0;
}
if (!mVideoBuffer->meta_data()->findInt32(kKeyIsUnreadable, &unreadable)) {
unreadable = 0;
}
LOG("data: %p size: %u offset: %u length: %u unreadable: %d",
mVideoBuffer->data(),
mVideoBuffer->size(),
mVideoBuffer->range_offset(),
mVideoBuffer->range_length(),
unreadable);
char *data = reinterpret_cast<char *>(mVideoBuffer->data()) + mVideoBuffer->range_offset();
size_t length = mVideoBuffer->range_length();
if (unreadable) {
LOG("video frame is unreadable");
}
if (!ToVideoFrame(aFrame, timeUs, data, length, keyFrame)) {
return false;
}
}
else if (err == INFO_FORMAT_CHANGED) {
// If the format changed, update our cached info.
return SetVideoFormat();
}
else if (err == ERROR_END_OF_STREAM) {
return false;
}
return true;
}
bool OmxDecoder::ReadAudio(AudioFrame *aFrame, int64_t aSeekTimeUs)