From 0e8928bf4f2b01b783f6da97d15e8f1abb0fd7d7 Mon Sep 17 00:00:00 2001
From: Marco Nelissen <marcone@google.com>
Date: Thu, 8 Jan 2015 13:40:53 -0800
Subject: Replace MidiFile player with a Midi extractor

This gets rids of a bunch of special midi handling and replaces it
with an extractor that works with NuPlayer and MediaMetadataRetriever.

Change-Id: I8d0f5bbdde2ca24267cf4d62ab26afe9630e0217
---
 media/libmedia/MidiIoWrapper.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'media/libmedia/MidiIoWrapper.cpp')

diff --git a/media/libmedia/MidiIoWrapper.cpp b/media/libmedia/MidiIoWrapper.cpp
index ef931d2..2181111 100644
--- a/media/libmedia/MidiIoWrapper.cpp
+++ b/media/libmedia/MidiIoWrapper.cpp
@@ -47,6 +47,16 @@ MidiIoWrapper::MidiIoWrapper(int fd, off64_t offset, int64_t size) {
     mLength = size;
 }
 
+MidiIoWrapper::MidiIoWrapper(const sp<DataSource> &source) {
+    mDataSource = source;
+    off64_t l;
+    if (mDataSource->getSize(&l) == OK) {
+        mLength = l;
+    } else {
+        mLength = 0;
+    }
+}
+
 MidiIoWrapper::~MidiIoWrapper() {
     ALOGV("~MidiIoWrapper");
     close(mFd);
@@ -54,6 +64,10 @@ MidiIoWrapper::~MidiIoWrapper() {
 
 int MidiIoWrapper::readAt(void *buffer, int offset, int size) {
     ALOGV("readAt(%p, %d, %d)", buffer, offset, size);
+
+    if (mDataSource != NULL) {
+        return mDataSource->readAt(offset, buffer, size);
+    }
     lseek(mFd, mBase + offset, SEEK_SET);
     if (offset + size > mLength) {
         size = mLength - offset;
-- 
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