Merge "Fix MediaExtractor.getDrmInitData implementation for webm" into nyc-dev

                    return initDataMap.get(schemeUuid);

                }

            };

        } else if (formatMap.containsKey("crypto-key")) {

            ByteBuffer buf = (ByteBuffer) formatMap.get("crypto-key");

        } else {

            int numTracks = getTrackCount();

            for (int i = 0; i < numTracks; ++i) {

                Map<String, Object> trackFormatMap = getTrackFormatNative(i);

                if (!trackFormatMap.containsKey("crypto-key")) {

                    continue;

                }

                ByteBuffer buf = (ByteBuffer) trackFormatMap.get("crypto-key");

                buf.rewind();

                final byte[] data = new byte[buf.remaining()];

                buf.get(data);

                    }

                };

            }

        }

        return null;

    }